Document RJJLxyZY8LN9BjgVbVZn46jR7

':rf9iFi v* t < ** >* i-k i ir;'<# *' . . i ' ^ile Class!1*. ... r- &>>*? . J n,"L> Experimental Station E. I., du Pont de Nemours & Co., Inc. Wilmington April 24, 1955 LITERATURE AND PATENT REFERENCES RELATIVE TO THE CHLORIDE PROCESSES FOR PREPARING TITANIUM OXIDE. By: J. H. Peterson I ' ' ' ; N33672 *** m* m !) fiOog*, **ortt o vC-sJwlorelaad faacpciaw*tal iit&tie* *. X. 4* ? MKM 08, fjNtJS' M 4f ; , U|mts * Afm warnuM itxurm *1' m j%mni;K) ifcio wmr*u&<isi Hat* potftot mA lltor&ture ref*r*aee* which were compiled in eoaneetioa with canonic otorvoy of chloride processes for production of iitWSitWB. Oxi&O. ttf, **f-e*w H t***al*r* iroafawvrMa.weep U-#tf oSo awri *** -e#owwajpp4klewt* OibHg*#phjr of flttalo* iatroefclorid* * it doe* t go fc*y*nd the your 1900. Honro to oJUJiderebte literature prior to that dot* particularly on *b preparrtion bad proprryttf* of titanltus ehlorid# hut this aarl/ work It ooapXttelf r#iri.9t in the standard reference eerie* on 1 ioorgaiti* efceidetry. her* siph%ai w&# the refer* plaoad on too **r* recent cork in inis field* Kefereiie** war* obtained fro* anosiecko* feairelhUtt l$0d-X9O7 owl efc**ieil AMiute 1907-1933. . few* of tit# refer**#* 4* *t wholly apply specifically to titsraiua chloride feat war* included be cause of their relation to thi* rwbject. the I|*t he* boon orbitwarily divided into t&r** sootions* (1) 'Treatseat and frooooaing of titanic* 0**, (II) ftr*p*t*tl*ii of fitaoitto Chloride, and (III) Moebll**o*u* flee**** of the garl aatwr* * o waft** of tfet refer****, tfe* grouplag 1 not in oil eooo* faurtlealaifty rigid bat the clBlflc*tloa mo and* to coasply with tfc* growing need la the patent Hating. DUP050026557 - t.- Tin* patsat list patents which were thought l* be nest pertinent in oonneetien with the preparet \ *n of tltA&in* chloride and its use in the preparation f titanium diexid*, m attempt men *ad to e*td the list to taclodf patents on related sab)set* wh .* the preparation and utilisation of other iinttip ebloride* (Alcl*. Ir0l4. it($!4f 3ict4, etc.). * swrrey of mmk patents and also of literature os those coapeuads, so d&t> oosi# bo of value If further work os tfcs preparation end see of flei^ ie andertakea. the patent list oat obtained fro the following tooreoei Oheiiieohee geatralblatt, cheatfoai Abstracts, rseent itsees of the Meat hulimn, Titanium otextde - literature and Patent Study by Dr. dateesod, latent* Relating to the Chloride ireees* by hr. OOKlsaty od a list takes fro* Pr. do Hebdea** files also submitted by Dr. WoKinmey. The patents hero hoes grouped under fire hsadingat (1) Ctrt yroooseiag aad Ore Attack, (II) Preparation of Tit5.Blue chloride, (III) dydeelyeie of titanium o|ioride aad ^arepiuratloa of Titanium Chloride solutloafi, (it) oowposite Pigment, (t) Uiscellaneoua. lukeae, Kira* atfuihope* J* &*. Chen. doe. J!, 1*64-49. a Study of hklftxr MOaeohlori&e on various Mineral*. Various ellnereis heated in * stream of k*Sl* to tempera tures between end 790*. Rt lie is practically com* pleteljr doeospoeed. dealt* arid Traill, d&nsdiaa Cbenietry aad detallorgy 10. 137-39- Electrolytic Ires fro* lloenite. We .heeled with carbon, the material then extracted with feci* eolation to remove the iron. The T10# is not changed. schiohuaki, J. Che*, fed* 2, 5*3-*7. haroh 1930. Prepara tion of Titanium concentrates by weltla* fitaaima ores with ihenytew. BaS#a. Sad*, coal end ore are Sired. badO* *C *s MJ0| Sad 4' Ml * laCl* + cae* dnS 4 feTiCa CaOTi-0* *edj or eitheat Oasi s * ?s. no* mao* 4 he * sacmc* 4 ys fei is dissolved in U81 The BaCfiC* I* cblorl- bated at *00* and oarerted iato Tiki** DUP050026558 **!, *.jr.* m. mm, So. *9. tit*** of JM&* OOtogtotoXf toy i*0l* ***! fiOX*. * a . , '#* r. mn m*, *. M* 290^.19 a$n>. ' fc**vNi Sf* fttoai***ia of fi OOtaXf too** ** ti t aniun sottpototode1 ftof* .mtSm # iTiVOiOftli fi. \- I.f.t mil apt** * WUS3*7* . . . Attfcftl 4i**Stoo fof to&toUm of r**0tl txidUM ........ * ttt*mmtito *i*n h ttoiun tomovtotntnfc wltto apamtim F f*m TiO* tto* lotto? to too mod So ;. . 9*#gto of Y$;tofto fmSU* S.JT., .Oft*. Bopt. Kin#*, *0. iW, t . Booort of i*?#i*latl#it| fcydr<Htot%ilrfi<ria libor* . Sftt&HSft&tltoa of Ilmnito* lto fiofo. flto oow?*otjr*t* A ofcolfriM ' FraliX, $, .M*$ $0X11attfS t ln*| AO. fMn&Ut, ay Xpfp B#to*lli**tiJi of t* *!*# of iro* SO XXitoniS# ' ' , : 4 ; f**iXX, anA tootsloXlwif, F*F#t ;fK #|>t. ***, toit* Branch $9. 6m. $6-101 (X*8S) * *?* ** ** %smt~ Oftat Of iSM&M fOT ttoo TMWIf.'t* **d fi!# omaonmte a.d oftoor ftotolt In onolloln^ury i op*ra.tl*s jwatf eoXX 9% mdu* #1 OTOlutlcro t tem. , iftoto of V 1 mm w '^tP-' Won of #l#tr<ayto through oottoolfll* miuXXt. WqK<i J*RKoxA#iruM*MbW4. **' Wwwt' ww* f ** ii,255-2o# 872 wolilipttm Of *M oxifJo of n. tmmamkji,/ .Bologi&aoir,, K.F., smmtont iea* lotto# ftoiy offlm 'finoooroOo oS'ttoo H.'M*: W80*h5f \(tX$9266)<) -Hoj^onS of ttoo tltiuaSiao oomo#iOto on tso 1t|MiirSis total tooyiUf " 1* ototElming ***** fi o f o ^ .. to .f *} vltto 0 r 4 tolwiof ooeto mm tarli jMtott. | tomoo of 0, od ftooo oMorlato4. 4tf*ot ctoto/ito*tio of tori4^20tc It mo oeooltoit to otot*i"?i0X* fro* SXmiiito m X&rff* uoale. DUP050026559 m% Braille? p.au, fwia, m. Hoetroetoo*. b o o , M, 1$JH?. ?b diiortMioft of fifiX4 prepared fro* tit&aiua iirbonitridQ, scats Sain 70-75 3* eat H, by peeking cl ever the ofe&xgo in * ii Ifiaraskee lined with arboa. Ghaueauet* td* coopt, .road* 152. g?-#?* a Genere! Method of Preparing Aaby4:ru morides. bathed extended to apply to a large nuateor of chloride other Ithan gjf la C.A. l, 1255. c&arla&tlag; power of l^l^^Laferlor to that ic and Cl,, teper&twr*e of > , P*'-d**li, 'IN . AtU. ooasrooao nax. cbiau para, oppltoat* 1922,* 19f* $$* owe of iron alloys fox prop, of fc&Xt&a, rroparaiioa of iici*, voi#, woi*, sr,, end Mr* fro* respeohire iron alloy. fa all c*es the alloy era* treated with halogos at 400 to 500. Kill*, B,,a,, Cfeaw, 9** 1^> ^oparatiosa of Ticl* fro* ftaille, Rutile powdered uni boated to 500. Mixm hot vttb *1 powder la Jhrwsftd* crucible. Heso tics started by oorering wttb dry Wmt *1 powder and igniting vttfc l*g. Xixtuto of F, Al*** 91, ft heated to rednoe* in etrea* of chlorine. Pwrlflod by dietillation. >*** !*., and JaJ*n, zi* fur snora. sad *11*. Che*. 2X0, Sh <193?)` ^esetiea of Chlorine oa m%&l 0?l6os. fSe roaotlon of hlortma at various temperatures on Mtal oxide* Including S0, taO, 040, TiG*, PMte* HoCu, X*, tJjOg. ?{, reaction oMied et *50, XOOQ* -M 1200*. ttffL f*?*od i fairly large ^aU- ti#e at; 1000 and 1200. for appa*atwe ee x&ngre and ?!, 4. iXektroofeem. J& 1*5. lyiegar, I, IN. Coat?i toutions to the Study of the Natural Ha* w$wrett of the So. fa* Titanium end its Co- pound* ho. 1. t>33, 192*. Report* of tb* Utaaluw oawwieetos on tfc* sxpariwsatel result la chlorinating ilmsmlte. Irioger, .F.S contributions t the study of tb* statural *o sources 1 the tf.c.M. %. 5$. fitaaiw* and its oo- pound* so. I, 76ioi (1526). lloeaite mid eeal i the foiw of briquette it RUbjscttd to eotioa of U at a towp. not higher than 751?. rroduot* v1 purified by diet. Drawiage and dtscripticn of apparatus . given, fuarifioation of product dOeoribed in duu. *11 ' etape doeeribed. DUP050026560 -- 5 -- Aatsiaifmke, M.S*, Contribution to the 3tudy 4f the Shtnval ne*mr999 of UYIU .?.. lo. *5o. Tlienlwa **$ it* com pounds s*. I, 3>*3 UW) $ftp*teiags of direct chlorination of ilncnite beosae* 'of Fe eoteat given. ^robots described far preparing TiC sad chlorinating it*. lX**ntte fused with C under high elao. potential. fetal fusee with slag* It ie fround $& separated Magnetically. f content reduced tm ^ to 12 per cent. Second tf> ela cad coal, sawdust and Had placed in lec. farewoe e.ud heated a* for osrfcoruijam process. Sir perifled with BC1 which removes tihC*,. %ei sad f*. a&hsimeato , *% sad Eliseev, i., Contributions t the Study of the hat oral noeowee* of the W.2.S.&. m, *>6. Ti and - . it* 6o*pd*. So. I, h5-f (192$) J. technical report on the experiments ca the oJt&orlootion of tin. Apparatus described tor chlerin&ticm of tie, Alice* easy tesip. control, requires little electrleal poser. - doe* pot clog .sad gire* only e*all qa&atitice of drawing .of apperatoe are given. HbDtsaartixUU 6. sad !****. h, Oiorn. di Ohio* M* ed appl. $ 323-2$, "eaetl#* between SCI and nitrides, sort serried oat with Aid, sad X t high t**P*rato*# by passing 861 over the nitride*, OoeOais end the octal chlorides given off, Orosbfcia, t,,l, costribctieae to the tody of the natural leoooreoo of the r*.s#b. .so*, Sh, 1A-2G (1926), Obtaining ftCl* tiros tltoaioa oofbido* ooaolooiim.s froo h oric of o*pto (1) fid i* decoop, by ^1* very oaoilyr at 206* fin* i obtain**, with 20-3# carbide in turssoe, FeCt- does not hindor proses# no it to sweat oat by Ticl*. HtSt* for*ed fro* Ti&, 0- sad .61* t is higher tep. sMT *ore slowly than .fro* fiO and CU This in because TIG* aftor trestseat in eleo. fayaaoa is oryet. or fosod, Umb o , & ft**, M# ^*50 basis*- Preparation-of TiOle tod Oaisokoahtii, T.S., OontrlbotiORs to the study of the hstarel hosettros* of so. 5* Titanic* and. it* coof^mads, So. I, 4M il96). A review of tho nothod* for produc tion of UUaici tetrachloride. So abstract given.. Vigouroar, ftv, aod Arrivsat, 6., #00. chi*, (k) 4, 19* Froperetlon of TiCl*. ^ ^^ fsrsa titanin* *od no ooaroo nsterisl, treated with 1* DUP050d26561 -<- m.% tom rad bont* PeCX* and TiCl* eeparatad due to ' difference* in belling point. Alee Mft f first by troatneat of ere with ill* Kei. Residue ho %ted and , enbj acted to action of Cl*. Vigaarour. . end Arrtreat, 0., coopt. rend*. id*, Ag$. dee Hotbed# ox Foras&tlon and Frap&ration.of Titanlua Tetreoblorlfi*. Peeleon briefly hlsbricui nepeete. of prep, deed three #their for preparation frost feme Attaniia*. 1. rf*o tit. heated to redneee in i*oa* of dry asI. 2. Ml. Hot- on ere, lrn %h&* entmeted, Residnc treated an abore. 3* Booldooe ftm above w&ebed, dried and treated eitb Ql*. Ill* ffimoilaatafcw* ' Agte, <3* and boar*., iteebr* Anosgon* AUg* fatea. 108. 23J-75. Method* for preparing high Miltins carbide#, nitrldoo and boride* .?nd deceriptien of their prepartiac. Kathode described for preparation of nitride*, carbide* and boridoe of ft, 2r and fa and properties glv*n. Atanaelu* J*a . , ball* <3*1. ?oo. Rcaaaa stmiie Hydrolyoi of the eystena A etudy of the Mdfcanisai of the bydrolfeee of fi^l* and fibrv. Jolction* prepared by dropping: 'fiei* Into taltf agitated -.and cooled of by aoulelfyiag fiCl. in pa-rifted jntraffln tad extracting with odd 8*0. of feydroly*!* at dtff. leap, and dilations etndied* Pi reported ae axerolelag a catalytic effect* Anger* t*. deny*. fend. ^ X5G2*X5*& (1923). solubility of titanic) nold in aliaii# and allalt-mrbon&tas. Orye* talllne tltaaltw oxychloride. Cry*tallia* titaatua oxychloride prepared fy* flat*, and . ocai. .ate by drying over h *304. a coapoani of the female fi0*.8dl.3l*9 forced. Banter. and bailor, 14., y,A*,te#n* See* Ag, 3117-21 (192$). x rerialon oi the atoalo xtight of tftaaiaa, the analytic of ittanion iatrachloHda. MCI. oiirofaliy purified by fractionating and volunetrl- tally analyte* by laproved actkeda. At. *ei*jfct - 47,90. butter, t.f.* and ferttg., ft.**, f* * 1228-33. R*rialan oi the Atonic Height of til Atonic nceSgfcte Oaterralned by anelyal* of fttir**ftd fid* ire* purified nateriala. DUP050026562 f., I, .. *** *iai*ia ftuftiftf ' fry Ut*ftyt at** *' v'. ^ if.-: *f ftU ***$*< it*** ft jprp*ru* ft Immw wm&m !*** lw pit * ***j mk *i .; ..?> *929.* .*/*** Wf fWtt* :- **& w giwjte* A?* *5,9^0 * J5*91 *V': V- * $0 t ic . <. '. :' ,***tiS^*., ISU **? Mzt}* M* *9. DUP050026563  r DUP050026564 . ;. . A4twe*tbmi 9to*ir toikitito* *sn*%_ mximt. ee*. f mot A**erib*i pepuzaue*, netti*tin *a *ln *'. :. -M4jpa^ =*' ' '.-y': ' ! - . . towfeMtotSito- Sf fiJT *to-.|MW$>* to*# totA *t** T*rieu oiniiM .. p mH toil W|m $*****#, **4i*tieB, *te. ` tor, M.. tM(. tonto ntoeaefc. toitoli *!kxitUr 8e. ># page*. UMi^'iMi h j w I lt}.ogy( ef f #*to and 5tfe.***$ #f tfc* toerte&io . SflafeUUi! fee&te .tot *to*%tU*&iA r**etteju , f of ttH*********** tie 4 tfc *3$ ty- iil ;?****<% 3.JU, *&, - cows^mAm fttot It. Mo {* m* ttotot #f lto#*&U*a. - ; : Heftte *tf eolia oxl4( di "T H^.ii SWu m " X"!>. >: A*v' `' ` i^w^r^ssrv-',-.. TiO*. fto* toUfe 4 ftffmtitoa tot' 1 * "* ^ ! %t IU4 4 .fjNtl., %$ is as&i9. V4j 3*/. Aw W> wWBHir gnMLJNttto * .. ieetoT # toeattoe* for*e$l* ..... . ..._ ,'' (***11*) US,?-'j tot <WU fit* t ttottoto-- -,, ilerid<e e*ietTieilt Wl* toelsig 18$ Kg Qm\. y* ***** tog, Sto Atiwia leather *a* Meet f ftoweeti**. tonl H f****U**ef ft* *xt4*9 #t:% to, -*t 1*, fcf *wl tto tot* *jlet tie tol0 **Mitee. . i ***** into tx*m*9 ixmto, x*tott*toe*ltoc J&'lfM*' ifei*}. iNMNiftoto ** fittiOtoi^pliattolito. .>-*1#*;*^ m*:; 4 *'>''.<-,,*. >` -V; ; V : <v' DUP050026565 *10- A** ** Klift. u 93-* (1P). *-T*y inw*U|fc till otiroetaTSof fetooPtt* *od tli* piyslemX i*it f itarw titjaiwi ei**ia. (tatrsgooal helaiwftr&l) tt ofeusgoo to oljdufc--8u**t**8* tprstesM* tatimpmal). 1%i* cfeag* r*v?*4x Oamn cooliliag. At 15* 15* *ipb*-*a*ta*o to mill, fMt r. |2, 31-36 study of ..________________ ...,, - _____to dot ilooolooato*, . ImMUiOl Md pjropottlo* of b111** golo doootifcod* -..fi01 fcydarolytod *t 0*9*. tbo pyodoct oaafco* witb aoatoa*. a product obtained baolfcg * forwjOU fio*.2!lo. Staler, Bor* ^ (19**>f 2 6l$ (1$0$). rUMcp U . Hydfoto* isI** Stithloy, A*, a*d P. BAftfeusun, Boo. 205-l$. 'manias* " Bool*. vitfc pycpcyotioai of ttfl* ham tl01 by redact!* villi 3t .<ii*o. d*GOp. of fid* by boating *itb to foam flClL- and Tid*. "1101# fm** rodooo* mi by beating . to Wc., n Of 4 P*t coat parity f**od. fyoadvaH* P.B*, and Tw>#l, 1., Rlv. Obi*. Acta. 1*U 1053-66 (19>2). tb* Chlorinetio Of U,0 vitb Bit i : Charooal. lotiow of Utmiw. &*H o*l*l*tod ft oolU s, a* lUClit 1*01. HOI Al. Po t foYmtlo* of 2A101, g*o % R* two fi**, ooorjAoos 0 and OX* It 1 OlO that )&i of Poactioa in *g. o*lt &t*d log * **o ****>. -g*7 cod -14.0 C<*> for*d) or 4**3 mb -1%7 (00* for**d). ton Atkle, a ,!,. nd do Boot, ** foil* f. ***. *11g. 0kea* lift, 345-50, Py^t*tioo of port Pi, tv, f cod .. fH arUlfi* lotood dtaoribad tat preparation of *et*ls by wtmotioo of ckloridaa with tu *t liigfe tp#r*tuyaa. fm to* oetalc tb* cotfeddoo, *leaida*, rulfldae, tod nitrite* **r ppATd. bag***. * , Hot. * ?6o -2 (IMS). J.Obcai.so*. *&, 557 (ligS). tiai*&nd titooio Acid* WO***, H.f*0 Sd*?g.cfe*. u,, 1061-5 (1925). *r*#ia# SfeDfctft. .. lit*JAtl t*tTR*hlorid*, p* 1063. fiNKMf* IMS*., *#d. P*l?*, f'.AO.Cbao.^o 52* 4833**39. ' P*to*-fjm* lam btwaido* of ntaaiio*. Preparation of n*** a* fist* in* tint*. Ttt* la booool oolwtioo i* *MM by H to flST, p-raotioally oo*otn*kiT** DUP050026566  II# ) wl53E8iftSRSMl *&** of ir/iS/ox to a * i. swt -tfeif to f* oaomustt*). ". frK> of Froduoias <J*oiitr*t#* eootaialug Ittgh Foreo*- ' tag** tfftOOtO dxidf, tor* t*o *it* tuffteioat o to r*<h iron %*a silicon but not n and otto ouffloioftt oortby *aot to for* a Oacio tltaiut* ottb n. to* *l*t*r* b**tod to that tllioo* and inn i*p*ntit9 r**at - ft *w*#d vito tbo artjiF iMUMW# of 5/l/09 to r* Flit 4**ot* urf f* *. a*de {Ooaerui . iatoom* co*) i>t04ootiMi of Titaaiu* &xi<3*o. Uftenlte awbjeetad to redaction wttfe poftdortd <3 f#rai*ff * lat***d out** TO* *ac#i crushed aftd .tfeo reduced iron toaoo*0 fro* solid a&te. F**ifiotion of *&w b Oy *a#ft*tl* ttparation sad acid tre*t*mt. , 1,106,006 Of tfllfl* to Btrtod mvk moot (m*ntw* mjr Kf*. '. Co. )* *ritaat **ld ewttOttt?*to. &t llothod for Product** tfco 9*0* tor* tatUoft with caustic soft and carbon, ?h* Oat* 4t**cl*fl t 8,80* rod hydrol/Md. 1,166,5*7 of lA/16 to ftottt and Barto* (flt**iu Alio? tfl. So*). l*thd of Obtaining fttoutO Ox Id* and tha ]R*atts| rTttwHHBo-*fc-- --.-Or-^ a . . bathed for obtain!** tltaato ortdo (noa) fro* * euiwtatwo toataimilttg it &** lronotidt lay *#itl* raid ttibttaiie* with orIdo- of ** 'JAM* aetal. Hit rttultla* *lt digtttoi with W% t* aucfc ** &*o*t to 0cubit* only *i* th alkali . *btal m4 iio* prt*wat. ' . . tS?9912 of Sfix/Vf to Aodr* Helbrtamer. Jfeuofactur# of **ot* & proott# for OMfOoturt** obit# pftl&ad * --ot by attxfcre tfcb ordinary faxru*!**** raw materials of ' ooooRt with CaCl* btatlb* -tfeo oixtur* progressively up to ' 1%Q0*-1500* aad *obtaining the atxtur# dmriag k*atiag to tOo acetloaOt oupotlMiatod ot* tOoroby rolaxillxia* tlu uotallle bXorld* nM oollectlug Hi* vhiU o**ut pt*0eoO. of tflt/VI to ** is* siafftai icooioto F. ?oftla aad Til*), o*c*t*ati* of maatu* Or*t - n**lt 0*parat*0 fro*, aifloo* by mgactio taparatlttsi. m* poriftoO il*att* -mkmtA *%%b. o*t**rl*4 corboa *itb a* 1 ) a^Xutfaaat, ba&todt, tmlfl vttb dllut* iW to ronovo tt* iroa aad tt* titaaiu* **idu* ro auafecO- aad Orlad. DU P050026567 *5*5*5& of 12/23/19 to Pede* F*rttp (Titan 30. i/t). *1 Producing Betided, fltastum-oxygcn OoajKmnd. Press** for producing tltfi.nlw oxygen compounds fro* materials containing 1 tad ># by treating the material vitl 1 in such qiiantity anil concentration and tewwemtures so m to bring about solution of the Iren compound but leering the titanium eenpownde tmdssoleed. the -ra* aaimlng titanium compound mem treated with another daoea- peeing agent to dteselYC then#',-- 1,616,795 of 2/22/27 to ?. 2, hedhaan, titanic acid. Iron and Magnesia from Titanium Ore. Hi* ore ic boated with C end alkali to reduce JPe to metal, the reaction product treated with acid to remore iron and the residua filtered off. 1,640,952 of 6/30/27 to lAibewaky (lietal ,4 thermit COrp*). Change oi 510* e* Rutile into a form soluble in Mineral hold, TiO or rutile heated with % to a temp, equal to BOger eons 16, the product then treated with B,0* end the re uniting compound 1 diasd-red in 2*0, it72Sf296 of 9/17/29 to a &* Marshall (Maryland Pigments Corp.). Prooes of taking a Ibite Pigment Baca. The process of ashing a white pigment base which comprise# the steps of treating llaenite eand containing allioa with phosgene gas to rcaoir* iron therefrom, fusing the remeining silica and titanium oxide with an alkali and them precipitating these oxide# to obtain a pure white pigment 1,734,63^ of 11/5/29 to M* *# Gregory* Proses* for the frestment of Ore# for the Recovery of Titanium* Ore aixiod with powdered coal end eeda ash, heated to- . redness, leached with HaS0* to renew* iron leaving a titanium oxide residue. **7*5*732 of 2/4/30 to 0. J. Bancroft, Method of treating titanium ores by subjecting the ore to a reducing roast in the presence of fluorspar. of 5/26/31 to w. H, test, Process for Purifying pigment Materials* hemnehittt of iron oxide in pigment {where present a# an; impurity) by- heating with 0 to 1600*, after which astro**-' of 00 passe* ewer mass foraing iron carbonyl, 1,#31,632 of 10/17/31 to Pedsr ?&rup 4tftaaiam figment -go,), treattag Ti compounds containing Iron. Process of treating ?i materials containing ?9 which eon* elate in subjecting said asterlsls and a reducing agent to DUP050026568 ~ 1} - "% temp. sufficiently high to reduce Fe to Metallic state but not the Ti ccmpouB&s and treating the reduc tion redact with H*SO sufficiently con. to dissolve the ft oeap. and without dissolving the setallic Iron. 1,8^5,3*2 of 2/16/32 to B. B. $*ttatwaifc {^smadiatffl Co t , of America), Treatment of Titanic and iron Soatainlng inemlp. Process of treating titanium-iron containing material* which comprise# ento^ecting the material* without pre vious reduction to action of chlorinating.gae in ab sence of reducing agent at &, temp. sufficient to ofclcrlnate the iron and remove it by sublimation while leaving the titanium rsel&ue srubetaistialljr chemically unaffected, milii.mm& 207,2*7 of 12/20/?' t.o r, Gardner and I.. Tavener. Processing of Ti-containing Ores. llmeaite or similar titanium re is melted with silicide* of 3a, 0&, etc. whereby elagc of practically iron-fre fi and of Ti-free iron r,r# obtained. 32h,2$l of 2/2/33 to L, iellerean, . Jacmart -uid 3, heBris. 'S Titanium Oxide figment a. XXmenite, fc*OOa and 0 are herted together at &QOuC. in rotary furnace -.ad discharged with cold water. Product ' leached with weak basic If* at $0*7. to remove alkali, soluble silicate and aluminate, solution treated rith S0s recovered from heating process thus redone rating . Jia^UGg. Iron removed. fro mass by treatment vlfch dilute H#3G*. Residual "`iO dissolved in con. ct 150 to lgO*v, with Increase to 200 to 2/5*0. at whichtemp, the solution is hydrolysed. * composite pigment formed if BaOOg. i i at added. gS'M.. W,5* .of 6/23/30. to I. Bred , -0. Fab, *. rieiii {>.<.), Reduction, of titanium iron ores by mean* of a red .ping' agent and cblorint. The or is treated with 01* and -.;0 at p.ch temperatures Slid at such concentration* that only ihe 71 -remain. The Tii.jj, thus rodueed is iron-free. f07,151 of 5/13/30 to I.b, gtt&efc of titanium ores by mean# Of concentr&ted- HUl, h*at and the- add it id of eutalystv. DUP050026569 535,90?J of 12/15/? 7 to :R*n* 01a#0yg (^eretalgrt Alumimuevrarfce A.-d.;. tituilow dioxide. Fe reduction la lo* tl content minoral, 560,051 of to Jar! ad a l -be lie in. Maying a ?1 f ignsent, Melting rut Ho or ilmentte tit*. **00 la pretence of & reducing agent, witn -or without flax, grinding the slag, removing tne fe aagnstically aomting nth %0O4, stirring up with ffaO and boiling ii; presence of organic substances, washing the precipitate, drying and csQcin- Itig. 5$4f095 Of 9/4/30 to litmira 4fc Halalce, uO, .'vtiarst.ioa of iitanlum Carbide. FftggpH FAT'aATS 5??,S^3 of l/X7/?R to artMulnr Iron op. *t*l Prodtiction. iTon-tltaaiasi ore reduced with carbon forming met*.Ill Iron. The product ground and ffc Iron magnetically separated. Tb iron is then melted. 677*370 of 3/7/3 to ;oo. lir *?* barytine* and . . Jeffln. Decomposition of iron titanium ores* `fixtures of or -nth cnal end *d& are much laort easily reducediftso m alkali chloride 1 added such as Fsol. lower temperature can thus be used for the operation, tl FAt^HT! ->*. S$#,*7l i,5h?t;*50) of 3/9/26 to J. Irwin ?nd -**. 'b *** V''*R., *fci**etJre), fitaaiu Oxide. 0round Xl-Fe r mixed with 0 (25 to 30$>) heated to 9OO-1O5O0* -The iron is dissolvei and reacted after which the *10* is digaotrefi in tf 3104 a ,ri the solution hydrolysed vnd the Tic*- calcined. The iron in ore is reduced by heating substantially above $GC*e, II. f>r6n-&T4tf.on,,jf titanium Chloride tmifJSP gfAtSB fAfgyya *#W794 of 4/l$/l6 to h K. barton (ntenium Alloy >ffg. co.}. itottidd and Mean for ?xeduelag Titanium Tetra chloride. Method of producing fi014 by mixing together a tit^nifsroua material and a carbonaceous material con:ainin^ volatile matter, heating the mixture until eerol-atilisted and sub jecting the resulting cinder to the action f chlorine, Chlorination temperature not to er.cead 7"*", DUP050026570 :1 ) ) * x$ * l,%3b,b#5 of lt/7/2? to a . L. Uuval 4'Adrian (B F, DrMwlrfeM * oo.), Process of hecovering ^t&l. Process of obtainiag; i'r, *!.r, T, !?r, le, Ag, Ri in form of oxides. o? chloride* or othT chlorine ooanoundo from their respective oyet, or frets reeldues contr.inims above metal* by rubJacting an or or residue to *. beat treatment in the presence of chlorine gas for combining the iron of the ore or residua with chlorine gs* and %'am restoring the iron chloride from the ore or residue. 1,*3^,486 of 10/7/2? to A. h. Dutul d*Adrien (P. F. Prakenfeld 1 Co.), Froeee* of Recovervng Ffttra. .. ooao n* X,h34#hg5 except the ore or residue is mb* iacted to a heat t*aat8*nt at eneeeshivoiy higher tempera- ur In the presence of chlorine gas to for chloride* and then selectively condensing the chlorides at different temperature* to separately deposit the chlorides of tli metal or metals of the ore or residue being treated. 1,5215,312 laleo B-lof 3/3/<5 to Carterst and r>ev*nx, Vrocese for the Prensratlon of Oxygenated Coooonnd* of Titanium and Pigment CoaiAini&g such aomrounds. k cyclic prooefce for treating titanium ores containing iron, comprising heating in a reducing atmosphere passing rucoessivo current of halogen gao through the ore, in. . opposite directionr, end at different tew;;raturt*,whereby' iron sod titanium halogen oorapouncl are volatilised, separately collecting the halogen compounds, -nd treating the latter to regenerate halogen gae for use in ih'* halo- ` genation step* 1,707,?57 of V2/29 to cb'-rle?* do ' ohdem {ormrci*.i lg-*nta So.). Titanium tetrachloride. Fe-Ti material and carbon mired with & colloidal euffoansion. oi 11 4, the mixture dried finally chlorinated, 1,315,011 of 9/2/15 to **. P. DarUh* (' se-i*. laboretorlee). Process of baking fit?alum uxl*e. Process of mfcimg titanium oxide which conelets of eras ing fisa-ly pondered tit&nifeTom ore to a hl,-Jh best la presence of chlorine gas *.n4 passing in v .j ! ail liras titanium chloride into & solution of r'tuco**, forming titaniua oxide *nd then'tHie rihis, **rhln.<, drying to forr;. *, fine dry ponder, l,gis-5,342 of 2/16/32 to *yyaaji . Oaklet**tin {'Vruwtiuii :1^p , of taerios), Treble*nt of "i and iron cent rising vateri-ls. inbjectin*. materials without previous reduction to s-tion of chlorinating ga* 1ft tV * be*nee of a rcsi-soin agent at a sufficiently high tear, to chlorinate iron re* t o v - it by eyiilimtion while leaving the titanium residue chemically unaffected. DU P 050026571 -- of 10/29/3$ to j, miB*n>r, 5*, r, niHaao, su I*. Ouit {Klnorolo Increment Co.}* Apparatus fo* M&nuficturlug Yolatile Chlorides. Apparatus described for chlorination of ere mixed with carbon at a temperature of about 6O0*C. Aomritu* i applied particularly for ohlotia&tiea gf tit iaium gouialttihg satoric.lt vcd tb recovery of ?iCt4 and -separation of MU* 8>tXZMjJfiSX& lfel,90& of 6/25/20 to General ^electric Co, Halogen Compcronda. Apparatus described for preparation Of liquid Halogen oaw pounds of 31, B and Ti by reaction of tbs metals or *rbides with the Halogen. Heat abstracted from the .reaction *<mo by a special cooling Jacket. Conditions arranged no eubhalidea are formed, 176,511 of tyli/22 to consortium fur XloktroofeetfUcbo IndustrieGer. Natali io &d Son-Metallic Chloride#. Inorganic chloride* prepared by p&ealag Cl* containing sul fur chloride over a Heated mixture of an oxide sod carbon, Sid* and AlCl* preparation particularly described. Tb* mixture of Cl.* and S*C1* my be formed in situ by adding sulfur conpo'jjmie suea * pyrites or a sulfate to the mixture of carbon and oxide. *07,555 of 1/25/2k to ?, Pipereaut and A. Holbroimer, n# and Ti salts. Preparation of Tlcl* from ilaenite by first removing iron followed 'by chlorination of TiO* with L* and 01* and beat. Tbe Tiel* is treated with dry forming TiS* which is used in preparation of titanium'pigments. *75*5^5 of 10/5/2? to l.G. Chlorides, f>exiaie to ..1, $&, Ca, Cr, F and Ti chlorides, Cre of material mixed with carbonaceous material &&& binder and coked. TJi3 dried pieces then chlorinated in % shaft furnaoe. chlorides are separated by fractional condensa tion. 5%7137 f l/ZZ/30 to I.a. Chlorine expounda formed by eimultaneous action of chlorine with gases of combustion of a reducing flame on an ore, Oxide or salt. * rotating furnace may bo used with GO am the fuel and the ore bxiouetted with coke, coal, etc, Treatmant of ilaenit for production oi Viol4 and Fed* mentioned. DUP050026572 mmLxmm of X0/y/'2X to Otto lrlN Keifcodi of ihreparing ticl# a ixtiure of CO nsd 01* paneed over heated T10* or titanic eo.M. If ogjrboa in sas.ll amount is' *>ired -itH titanium compound a higher yti?).d of TiCl* i* obi*ined than *ithoui C, 371,*60 o.i V*/?3 ^rteret A BewfcU*. ketnod for t>Tsp'4.rl.f Ttoi* from- ti ores rich in iron* *. 4itujt of ground ore and reducing .material haatod in % raduoik< atee*where at <500* Tbs charge i* then mere* lively chlorinated, at different teBmeraturae forming feCl* &ad fict*. which are generated* *$>267 of li/^/aj to j.rs. Apparatus for Preparing Chlorides of Vit aniam and Silicon. %*>tairatu described for preparing fid* -*nd <*i-3l4. PMMi PAtxm 3hh,J*37 of ^/jo/Sa to '.-arteret 4 demur, Process of preparing titenism compound asd pigments. tItanium ere' it ground end aired with carbonaceous material md heated in a reducing atmosphere, it is later heated is a stream of chlorine at 35 end 550-h* forming Fed*i dd* -and a very little TiOl*. 5*3,2:** of a/9/ft to Carteret n Demur. **00**0 for Preparing' Tiw mmk yigmeate Qosta.iai.ng Tio,,, ^ utouad ft ere chlorinated with do s,nd Cl, and *5*103.^ dietilled, this changed by reaotion 'itb water to the oxy- efcleride and eeloine-d. TiCi* -way he 'tlseplved.in dll, ff490* ..&* boiled or dissolved in water and precipitated, with alkali. Ti(CW)* my-he dissolved in H*dO* -and treated with CnCe* or Pk QQ* . -fhe man* is then filtered end calcined. *&&,&<$1 of l/sh.*/?* to .'oneortiw* fur flektrooliemisohe Xnd-:et;ri* ' Pr>'A*iioa of v*ter-free chloride* siarturr# of ti vt-nium ore* ..ixd coke are treated *nd cn* and a01*. naesed ovr^ th** charge. The reaotlcm temp, is lowered ry use of various chlorides, each ue >.101*, ijprt*, 543,691 of l/F0/?3 t deheorltu* fur Vlefctrochemiec.fce Ing. f*eoA**Ua of mter-free Chloridee, Method for or tsarina various chloridee by nee* lag c4ci** 01* over metal compound* heated with carbtm. Also by addition of wulfur comotaumis to the oxide* or ores -ad heating la * strews of 01* or i*Ql*. DUPO 50 026573 - 1$ ~ of 5/15/2$ to J.O, chloride* and Bromides of Silicon' and Titanium. tfg of a epeolal natal eontr tned *d covering sysla & apperains for obtaining fiei.* m 3101*. Austrian 114,141 of 9/IQ/H9 t I .3, Xbreparaticm of w&teyfree metal chloride which are volatlls at the forma tion temperature. Metal oxide* sre mixed with .a coking tetter ts.1 forming a very porous material when heated in u coition oven. A stream of chlorine pas*<t ovhr the 'mm and the chlorides condensed* fjhe unused chlorine is recovere*i* 16,6*54 of 9/30/30 to 1.5. airokosmki. Method for premring titanium tetrachloride. Ilmenite treated with coal and Hj bSO* at a high tempera ture, fhs residua is leached and the solution reduced with iron filings to ferrous iron and. vfter addition of 8,P04 is heated. The precipitate is. treated with dil. acid and washed, treated with U&QJ? and-tlie pre cipitate dissolved in HCl. 121. Hydrolysis of Titaniua Chloride and 7.reparation of 'ritanima cfrionda _ imitsp .myss p a t x k t s 1,253,556 at 4/24/17 to t. T, Barton (Ti Union Alloy Mfg. To, j. Titanic--oxide .Product and Method of Obtaining the mm* Method of obtaining a product consisting essentially of titanic oxide by dissolving fiCl4 in a bath oompri*ing Ha0 and Ha304, distilling hydrochloric acid.and calcining the residue, 1,451,599 of 4/10/23 to F. 3. how (leaver t.) .'recess of producing Halogen Adds. The process of producing a halogen add by vaporising & h&lid* which combines with fi#0 and directly treating each vapor with water vapor. 1*504,673 of 12/4/24 to J. alvuasnfeld. 'Utautism /igtaeni. Hydrolysis of tiUniuas eolations by first removing 0xom Ha304 with haul*. 1*755,512 of 4/22/30 to Aegin^ld H, Honk (One hall to John Irvin) J^r covet ion of Aaphoterio Hydrated Oxides of Metal by Hydrolysis. la the manufacture of amphoteric hydrotod oxide* of DUP050026574 - If * attx&s laydrelysi*, 1tim twm&Tmm* sfeieb consists in adding to a sclutiea of * nit of tfes setl t# fe* fcydrolyssd a cn&lt wsouat of. m oxids of ton metal prsrioaely prep&rad in a nam*d* otfeer fh*a fey fcydrolysis for ti*a pimpprt t foirtlu Xt73Sj,52d^of * ^nmfV fToduetioo of 8a#' hydrolysis of tltaniu* sol* solutions* All cl&ios apply to Mrolfrals of sulfato aoluttont feat disaloeur* onioo duorides. 1,#*2,2G of 1/36/3? to ru J.itetaeray and U, F, Willi*** . - and H, 1, dlass. {xlssral*Xsorsasiii Co.}, ftetfeod of ftiinafaottcriisg titanic Hydroxide* Froco** ddocrifeod for manufacturing hydroxide fey ..... ,- raporiairtg the chloride and discharging it into a collector along with water vapor. Apparatus lunpaiwted so as to have a forced cireul&ting system vfeerefey tfeo solids are precipitated froo tfe* vapor mixture. the remaining vapors are drawn off from an Otfesrsiso closed system. . . IMmS&.v T l/tS/3* to 4, Mittaoofe, t, tmi. , fyioOsfeaofe li.Q.), Frocoss for liaklag finely Divided itetal Oxide*. Tfes process of producing"fifteXy divided titanic said* watch osapyiao* burning Ticl* di etrifeuted. in an atmCtpbere of oxidising gas la a flan* produced fey * gassifts* oomfeuttible em-tttr* . I**5f93* of 10/1/32 to Km gayer (irtfes Hmm% 0 Color Oorp.}. art of Producing Osidea of the fourth <$rot$ Ifotsls" la tfes naaofaotars of oxides of fourth group nsfc&j* froa fluid Jialogsa compounds of. suofe natal*, tbs. method tift consists is inoorpor&tlnf said oospouads in solid salt - non^roaotivo on #&id oxides and decomposing said pounds fey treating the mps with sterna* M99,5?f of 2/S8/B to ?. SUfe*lk*(lCr#fe Fipwnt i tdM dorp-.)* feissexviisg fial**. * ' 2a a crocoos for toe preparation of a nei* solution, the stop which w>npri*v introducing Ti01# into an agitated aqueous `solvent feelew the surfaeo of said solvent 1*?9#573 of s/m/$3 to r. Xabslka {irefe* Vigseat ft dolor Corp*) Process of preparing leer solution# of ?i<3t4* In a..proasse for, the preparation of a clsar aqueous fiai4t solution* to#'stop which eonprises dissolving f 101.4 in an aqueous ftOl* Solution containing 150 grasat of H1 free acid ooafet&t# par litor. DUPO5O026575 - m~ of 2/fi/lS iof* IfcSbOttm {taebo figment * Oolor foooodo I>f pre^rims coacemt reted Olomr oolm fl'< fici*. ie * 01 -p$*mKtewm e$m*Oit oaluttom l ttMfto. 6&prMli*f to om *<p*eoaa eoixeat, boarol*', tfee mtmmm b**&m firfeid *ad proolmiietoo iixeni***. warm* mmowado *t la* oooooatretied*, tt **'-mf oddieg tttoaio* tetrewahlerlde to told Wia eolation*. - mmummm 1 U&jAT* of to Cmrtorot ami $etxo** ' fitomtom Ml*.' ^ $tfotetlia*. oxide fame firm irom -mroamwod from irom-fteo . ficl*. IK?!* eolutlo* mootrail sod to srooipfcteto tbo Jtydimtod oxide, tbia to diesolTed % 2$ per cant ,&** ' Tbe eolmtlmm boiled to preeiptioto' tb* oxide* i^redipiim-* tioa ii> f&oilitoied by eligb* lgdbreg*mmiem oisiob aw# - bo'oflooted either by dlroet oddities of gee oar by'' oddltioa of etna to the eolmtiem* fbe- mom^mrn oxide prootpitsied t odloloed ieylotd the mrrmtelllme oxide*. sna*513 Of 10/l0/ to 4, *, #afcmfm(baSUK*b* tail** * fed* rtmrik). Ojeldee, " 4 WOt#l . .......... ..rr..e...l..&....t..i.l..*.....m....o...t.e...l...b...o...l.i.d....e.....ex oilloom mi*** *Mfc;ea&mrtikfe ga, m:$mnr or lixpitd* ft# alxtvre igfttte*l emd the remmitlmg motel ottdom .ere oeeexetmd from tb*, *r*dmet* of oObe*i* ; ftiil* mixmd with doet geo emil iiitd fid* tom* i* ooperotod foam emit g** by eleelrfefcl prootutietiwi*; -. .. %% 27t#072 of &/7/2T to aerteret* fiteadiam Pigmomto, -,. 4 mbit* lagpmt pr*P***A W preeipitettmg ItO* m & ' powderird b* *u<*& * eiUeie or mlwwtftis* oilte&te exieb mo fcoolim or foeoll elliao* Titomtom oxide preeipitoted from 9ibl oelmtim* to obtob * tittle 881 too boom edfed. *e*d ebewi tfeeoretioftl for remettem flat* W6I ^ fiim)** tie fi% oreoli^totoA Of beili**, tbo " ir il o o dried mm oetalmed. 50Ta^l of iW*9 to d. C1M4* $* mm* 4 let.^rod.) detelUe oeldeei eilioe. - . i ft# fowtiom of exidet of Ti, 4r, md eimiler mo^Llo from eorroeoemiimi belidoe to oomdeetod ritb tbo Xnttor im die tereiem im m lrt xpbittm #*trot*M from ISO limebimg. &mm* offootwl by eteem mt *? 30Cwtao0? dooOoo*. mes fmrlber, bemted to bofero leoetimg oat ifcStelij #elt oto* ' I5i*b0f of 10/n/ll to y, Blwmemfeld* ftiomtom dioxide, ftteeimm oxide formed bf brlmgimg oaporbsd tlflftg into toot vltb otoom probeotod to tomyorotoro of >^-400* or otter img> below p@de# im m bomtod bmmoildm opooo. ffco fi0,, to ootlootmi mi, oo4<K3* to yrorta* mboorptiom of. Mtt* DUP050026576 k of; : $m+ -3^SSS^J^S8^-.. ., _. . fcy fctatiJjg ail^arooof m*t*l oalfil** *4*li. 4fftaatW* . . . imtmm .ffcr ji&ffi/M-'iimdi&t. mfc' Mimv mm pttmpllHMIMfe ,'; -a .;-.,;* vt $Mt& ^ i 'mi* &mf / - M^Hr' fit* ****& fOpO**** '-tit*. 1id* "smt *%wm ifeto * roaollo* fifcaafcar at >00-40^0. , 1 * >.,* V-T;*- $3i,?07 of Koactioa of e tst&ia iw>rgaaie pdgoafctar. tapOr, fora fr- 533#36 of 12/17/31 to nuWt*;:&mb't1(irt* ftwwl* - Fiep&rifctioa of. TiO* Oy disportt$ Ti&i* in alkali of aulfsvte# aad passing rfcoaa iHttf 4h* aasototsg a ... gseaOosl. Ixifit of . toapsralfttto* 14* 4#** ,4* 0f #s, M|ft tke m&sa ealeined *4- tooporotsapo *4m* 4S60* . oftoy..ofc&ilk; ' tiio oolafclo. 0*1*0 ***., out* .:. 534,$$& of 5/$/*T 4o .** *'' Vi^niqp- ClHkd'`>'T- ^ ftiaaltti#* -i- Solution* of ti dlrootly %y Aeeoop. 4fT4 containing ****1*1* *i4b *Otd. ^ 4Hoqrt-.^Wit8.f or aoro actd or Mixturea of aoif# && #044* io 1 dariag ^looMipooltioo* ,-i V/;-- Tft*30 ot ir/tl/34 40 forsia far c&*u Prod. 4*ppl40*tf6st) Prooo* for preparing tttotfftNi dioxido fro* fid*,* v^-^- 572,830 of 4A4/?I to axiom 4 pimi; flt*ata Oxid*. Pros*ra%i off** %y *o*4if tt4 *144 * for*ig **&,, nci* I 0 110* 4- 401, / * 5*9 *9* of 11/7/24 to 8Mtal.o deo.^roduito <mi*i<fl**o do lowoo* titaolo acid *4 titasdoa coapiraad*, -.\-.v* ntaaim Wloft* emmeade axo IxoteMd't*. oapar pt# *414:;. mtal OxMtoo or oolfatox or oirtalloid ooapoaado.* 3*0,499 of 11/7/24 to oapoi* Oowmlo do*- Profit* ifoaa 4#' fca*r.# fitaiio *JUU ., ' Titaaitto lalogOM ooapMMO ia rape* form ar oonYortod ' . to ?ia* li.ta it aydrolyMA..-ot-tei *&$ && foraiag tifaai#,, aoid* DUP050026577 of i/fi/31 to Marine A. Mtnet* Moult* fteone Fwpaeiu. tie* ci HS1 am pMMh SUlf*?. ook** <rtao .$** e;a#b4. with dll. .alkali, to the washed .gas in added #q*l aoeoftte at K3 and the dry gases axe %%*xl aired itft TiOl* vapor jnd the mixture pa**;#4 through an aw* fcsatod to it dull red boat. Ti3 and Wl aw iorw?d, Thi is calcined .at 400% th* sulfur is giyen off. f roasting farther white TIC* is ob tained* *clu at 7/20/32 to J. Slewenma. Siting *rii, TiO and tbs like by dispersing halides of At, Ti, etc. i soluble alkali natal salt*, trusting with at***,, aaloiaiag -and - leaching, f 10/5/15 to l, f* Barton (maalna Alloy Mfg.Oo.). COMO*ito titanic-oxide pigment and aotfcod of producing aue. Aelita to add!tics I a abound, opable of for** im a* imrolubl* sulfate, to a titanic sulfate solution and digesting the aatafe to fora a ooapoeite pignsat* Method of treating titanic eulf&te solution which comprises .adding thereto a Ohio* ids of an alkalln* earth nsial farm ing an insoluble sulfate and digesting the mass to fora * ` composite pigment. Patent applies particularly to ass of " We* l*,m (original 1,155.^2) Beissuad K/^/l? to %. E. Barton (Titaatlua alloy SSxg. 00,3* Composite titanic oxide pig ment find Method of fbroduoing -the 3e jprootns variations added to those given in *J.C. 1,155 for preparing a composite pignoat fro* CaCl and titaaiua : sulfate solutions. ltld$tza$ Of 7/4/1& to U %, Barton (fitaaiun Alloy ssfg. <&>*). fitanlfcrons ircduoto and Method of J^edoclag the Sane* Or* digested with dissolved in lfaO, a soluble salt, added to fora an insoluble sulfate, tbs insoluble sulfate withdrawn and solution is hydrolysed. 0*1els* chloride is claimed as the unit for precipitating the Insoluble sulfate. ' 1*223#375 df */3*/l7 to i. . tartoa (titanium Alloy *fg. Co.), eoopoitite Tltenio-Oaclda rigjaent and Method for ^reducing . the SNs ms * titanic sulfate solutions are nixed with an extender or with DUP050026578 a salt sttrffe * 4aSi.* apaftl* of foraiag aft issolufcl* aolfat* ftoa tfte oftargo is itotXolys*& at a tos^sratmx# of 90-95* Toiplt4tiag bstslc tltaftio imlfat* a tho , attends* particles, X.236,655 of 4/14/17 to I*. S ar*a (titaatoja alloy 3t%.0.). ' Ooaposite ?itsau.c 0x140 ?igM0t and lotftoft of Producing t&o Hotfcaa for tfoatift# a titanic sulfate solution aftloft ooayxltts adding twwoio ariasa cftloxi&s a4 4ig*@tlag tfts ant so as to produce a ooapoaite precipitate aow- prising as insoluble sulfate .ftftft titanic aeid. . 1,2#*,473 of U/fft/l* *. X. Ifttw {fit&niuas Alloy Mfg.co.). Oowposit Ti*als #*14 l^podftot ftstft4 of yroduoiag tfc* Sao ... . `, Similar to ,s. 1*155,to a*4 1.9, 1,205,144 xosot tliat * $xo4txai4 amount of extends* ox readout* feralag an;; - oxtanda* i ftd44 to tko tii&aiua aulfat* solution ft#for* Jiy4rolyie. 1,396,92ft of u/15/21 to ,, H. AMkHik *to** fox txodttxfttftf Cosfposlts Titanium yjsmaft**,' th* procoss of ofttftift^g odftpssits titanluft pisei ft&ieftooopxistto heating togsliis* sitft oaxftoo n4 sulfftr a titsaiias-fcsaring sotsirtat 4 asolid tasrganio compound . of the festal wfclofc ie to aoftOiqpftr tft 1* w pig**nt* toiofttto tfce sulfide welt to action f*a sold *SVr*j*t sdt as iai, precipitating fr* resulting solution both *i ft#*- accompanying metal soft subsequently roasting ftt yfe--; V" oipttate. 1,766,592 of 6/24/30 to J, Blusenfeld {coawsrcial ?igftt* OoTp. K ftodftotioft of Oowposito figttoota containing fitftsioo oioxidf . ....... . An ftgusofts colloidal disporalon of T10#;at4o`oitft 141;. or by adding BaSl# to aft sold filter cake.- *%* ftOptliot -tie'is mirodwith &*S0* 990 io and oalointd. - ' ^ _ ** ! wnm afAfKji...: 72>'2l? of 3/17/05 to Mosard Spain**. ilawifaottirs of fitments Uftlorlds* process fftx obtaining titaaouisoftloriilo f*0p titani* efclsrii* fey s^astlnf an -t^ttaona solu"tio' 'n"t"o m s*le"otrl# - carysat in aft oltotxolytio oall 4ixit4 by a poroas . partition. DUP050026579 Jwew #f f*0*' . ia*d for &%***if# o* ytfroot&ry.'iraroosa* -#***lst* in W*tlog said #offli*it to shlorta* ga In .wHfc. %m ` ' " ,, #f fi%cj2b to a* Mm Tw*mm ifitaa-ltssi *t 00. } ml oxide wnmnim.t& stMi ;osfhod of ###4o# tit#. ;- ####> * lit tit# tro*t*e* #f Mixttiift to extract thafofton titoaio *xld#* fh# *i*ps #%ieh oofoistv in dtgootiog #& ma$rl*is i tf oitlidfMrf the yoralt* tag fro* odiifloMit i^rtiost#; #^ tbrodtiBg it t#, ` V ' " of 11/3/31 to lodnig Wi# &ti%# *td*w**i*Svfowaft# ;. of d o c tfiring Qxldts* k i>xoHMks. tm th# *o#tosp# of opooifyiftg ,*id which ooei#tn ia yodelis* thoTape* *f * o*f***d of tit* ippoap #f doo$img of gar ;*& 3 with*. . . hfdmtljtg -oafeotaasr# m& hooting th* .f#6gt fo-root* 1#3,^ #ris/i/3* to i% ";: Method# for Ptodtwimg fi. Mragda* - -- icotfcod fir prodootum #r ft% %' :*f ifs^#h$o*w. * odd op#* tit&niua it*id %m- W* ?r*i*#* 4 ' `fWrBwMPi J|Sfija^P*^WPIoWoP#' ' xft %9m ffco4*|/iifc t mm#* mmtikw |i#t*i-,; *h#**i%,$#*51.) Hdfciag the ti ground or* with m mixtsxt* Of OfelYttOftl.t# t A fcofclhr.th# h*ttttto* 4 t#p* not ... .**: traufct OitOO- to .. ,, ocop34il#it'; > - ;V:- Of f/g/tf ***,*# ^ thod i** preparing Tdr# he##? dethod fox toiooittg; Mli# #fy&r* i*M3*** %Mm to tosiaml mold i #li*iht*d.-fx^ txeat#ea% vitk onatiji. , mm oxidi i*. th#s .JllUi' jmmmr BfAxoehloxio' ##if pfodaood, Mr' DUP050026580 ' .: ; ?->Y'!H. . pt ?/2M t i# 4 ..... it 9t th perlodta tke aoluxi** *f . &t4*jHU* **ta& mt fcp. *t - INdra. HytooakloTi* 'i`" * m. ..,, /' ,.<*-;. ' > 'Vv^Y^''' .:.?>< ' ... ' v ;^^'y:,i-- .^v 'i-1: - ; ' ." '.r' DUP050026581 * -- j h5 ) of 2/&G/33 to 5os. &*ile*e W Barytine. Titanic srblt*. Refer* to treatment of titanium bydbmte orepared from sulfate eolations end bae to do *itb tbe removal of eulf&te ritb CaCl*, Xff*Cl, etc. *$. met apply direotly to CblOTidO. of 6/4/30 to feroinlgte Stablwerte Ait.-Ges. removal of Iroa from Inorganic i&terUie. . Clays, bauxites. etc. are freed fro* iron by treating with reducing gaess io change the iron Into Fe(00}c. ustetlsl is irttliHi ith 00 at a temperature of 200*c, nod high pxaaeure. tbs reaction is increased by means of eatalyate. 3,131 sddltion to 6d2,9d6 of 4/1/31 to Vexeiaigte atablwerke ski.-Gea. ftemoral of Ixcm Stm Inorganic Materials, treatment of iron containing meterisle itb reducing gases following oy Cl * at & temp, of >00*0. to 500C. 666,553 of 7/28/30 to Titan Go. Prsparmtion of Titanium i? lament <t* Precipitation of fio* from f1C30* solutions in ohlob flU90*i suspended, the addition of chlorides, fluorides, phosphates man be appropriately used; " ' mamuKtuis Maaa ' Swiss 141,5(64 of 2/2/31 to 2.-0* frepmfmtion of fetor-free Motel o'blorldefi tbs metal oxide Is mired with coal end tbm bested mess treated with CO and Cl, fbe patent is particularly edited te preparation of A1C1*. t. PNl0* DUP050026582 T