Document aDvg6XwBnaY020n3gvD0qO6jR

E. I. DU PONT DE NEMOURS & COMPANY KREBS PIGMENTS DEPARTMENT 256 VANDERPOOL STREET NEWARK. NEW JERSEY Serial No. KN-50-10 Copy No. ffl Numerical File NEWARK PLANT PIGMENT COLOR RESEARCH REPORT Final Report pr epar at io n an d ev al u at io n o f c o u n t er par t s f o r ALUMINUM BENZOATE IN NON-FLOCCULATINS LAKES OF **md n a s t k a l p ig me n t s Period Covered, June> *949 " April, 1950 Charge: 1101-Il-2 FILE; 223.41 DATE: 8-4-50 NJim 2 3 4 5-f- 8 Bsdbra DUP050068115 _ _. or m\wsmm ooasoats........ |S cWgrfld |gr ft ^wyyyw^. fwtepfr itfSgt QOVSTS til* ........... are of OOBQQ1*-ww PA^p^n^nFiopipt I# 2a3B27*4k72ji 3.88*$ : ftliartrias , b to __________ ^ .__ . ..,,,.... j it 'aifch th* ,_^_ ............. ftlaaaiawBi bansoate listed la tide jofcont % Informs# .Is the eacapl or "" *... fte iw >mA affOrt to ,,________ _______ of gettoBday* otfcor Him elas&naa boososts* 10 tbs 'sows jrsparsd of setallic salts of bonaolc sold salts of Is sot 1 Is tbs JRMBfe w SM Involved . Ic voportod i thsa fttiaiataasp ?b* Rartaoti js&sofc rafera to ftlggstoaaa bensoats epodflcally m tbo coafsrt noa^fi^olstlng isopestiss on tbs jd^smt* Is as onmlastlon of IS 1S44* Sr* b<lWfIIM**4ff of |^ <dAfp ore \t pq fn jffissotl&iig fl of CPC flouasls. Be rfoMtai '' 3H ia SC&lV&XS&t to Owwt* jin iriliMtinif fltat ftf *fbn OtSSSSOt soarct for |ggendtars other Bifewalaain tlw afly |it*rf^O Airiy ttjm gg *jff*ni-i'ii!n Aft OlttdSQSI OgnSSStO : flcwwl Mwn of Uf pljgpwBOjf at*) tfeO milia gf OSStftlS *310 almglnas salts of tbs oltpsafelo sort isstpslo adds boaaootaa of ast& otbor tbaa drts% com ooag&s&dJy flocculation of CHI gMpB&* tbs 13/ /ft* rcorslty still ts tbs bast satsodwr me ecaHE of both cost md tpallbyv ' 2b tbs cours of tblo warts lot 2271* is sU^bt2y inferior to Is loo* ' 2* ' JO lb* of ta&pft of WSatytfffeyalf! .ftloBdima basest ls2s; lot 217? oaoslst of 2J& Botb ars slrt*t822y fjpss of way *&g of -W|PXf'yc-SN^l*>*vv'l'X^*v/:* DUP050068116 3* A 4 Qnm and Lot 2276, is 3 - doadKsos iwyimnt.n BSpulp). free of floccolatdtea ia elHjrd .anaunX I* Salta of benzoic add other than algadnaa os -|Q jgfwwHfe - f& <sw3jceS8% bKrlo% aid soluble end gaw Iw yields* the copper* lead, and Iras salts war* S&Otld* <t<t w* tamast flwwwtaMww X>OSistaiieO to *3m> wl ipwwwfr-- 2* tbs eddao, badea, copper, elms, load and dpaliasa salts of add wore wet-ailled with the CJC past* in poreef ` to. he as natfawi as those ends $y th ]sredpl&stiGD t*n>wiipaT Hosem^ only the sf tho Hayfttaa salt ffooe4 as `Mtti * w wwii i'.4n o fete1 *^ms i** benzoate none feed* The preparation of barium booaoate Idees is not too praetiGal, aster eolofeility of the salt* 3* SG$> Xafces coBfcdglng all r xa SX{QH Oi the jdfP*ed mm prepared and effect oa the flocculation of the although the sdgaseafc any ho coated dtb jradplttated rfXooeiilnti08 is :c)2* 4* Adds other add *> iw ndrtsrt woe v&Lch the mdinw salts wotm n/>b MMBflfc of WHltUfi soda of three types* iawifnite* fempyd'< mm to & fhs mm doadved in m e<fMM ' these adds *re Among the aisg&e adds tested for Oneetilatifin mt salts sere* phosphoric, terid, end oaaaUo* They had no flocculation of the pigaant* 5* asfda tooted must HOns sostritatid way yfrqp^^dfoi11 taslOicacs* fho end lactic acids ore seso&st water addle sad yields of tho Idem f eAS'AiJ'Upee Kai3dpiu^asimMtpPpaw* vBmpj O* w Opw BGSM*kpb dfcOWGi C$Hft 5v l ^ the scope of the patent, if oil of then ore an effective as fceetaeie sold in reducing noceul&tian of CPC toners* tewevor, if sene hnsaoic add dacifmtivM mm frond id he ineffective, than it is roooonefcl* to wwasse that tho pstant <8Mm most he' rcatidctod to aMoa salts of henatoje add only* As long m mm sobstltubed i mm nsdeam is iiMbltlng flocculation, any other derivatives that are affective are net e<jdv*lent8bot tm hamn&e add dwrivatlvas %4&cia aye useless in of etc toners in pdfBt ^^hw* are a* adds* DUP050068117 DUP050068118 ft. j ::V f 1 DUP050068119