Document kmdvkznDd6GJnOQnamkwNKp9O

UNITSft STATS8 PATENTS U.Si 150,007 of April 21, 1874 to Edward Stern Improvement In transforming atmospheric gases into oxygen, ammonia, etc. Froni Ti nitride and carbureted hydrogen. U.S. 486,941 of November 9, I892 to A. J. Rossi Process of reducing ores Titaniferous iron ore fluxed with bases. II.S. 503,^23 of August 15, 1893 to J. W. Kidwell Manufacture of glazed iron Titanic mineral cpd. spoiled to surface. U.S. 503,424 of August 15, 1893 to J. W. Kidwell Manufacture of pigment or paint Titanic oxides with hydrocarbons. U.S. 503,425 of August 15, 1893 to J. W. Kidwell Mon-corrodible plastic composition Composed of titanic minerals and asphaltum. U. S. 668,266 of February 19, 1901 to A. J. Rossi Process of producing concentrates containing high percentages of titanic oxide. TJ. 8. 670,819 of November 26, 1901 to H. Spence Titanium compound and method of making same Double basic compound of titanium sulfate and sodium sulfate. U.S. 681,993 of September 3, 1901 to H. Spence Process of producing titfeflium compounds Br. Equiv. 4,183 of 1899; Ger. Equiv. 123,860 U.S. 691,422 of January 21, 1902 to C. D. Vreeland u.s. 691,423 Pigment and paint composition Sludge from aluminum sulfate manufacture (from bauxite and sulfuric acid) is used as a pigment. U.S. 701,718 of June 3, 1902 to C. N. Hall Paint pigment composed of iron, Si, and Ti. U.S,. 722,857 of March 17, 1903 to M. 0. Lamb (to P. Spence & Sons, Ltd.) Tanning process Hides and skins treated with titanium cpd. U.S. 741,396 of October IJ, 1903 to G. de Chalmot Production of nitrogen compounds From titaniferous compound. -4- N33664 I U.S.P.-2 U.S. 75^,710 of May 3, 1904 to H. Spence Titanium Compound Double sulfate of titanium and sodium, Ti3Na3(S04,)4.5H,0, in crys. condition; stable in air if kept dry. U.S. 760,319 of May 17, 190^ to C. Dreher Process of making oompounds| of titanic and lactic acids U.S. 737,753 of April 1905 to H. L. Herrenschmidt. Process of treating product^ containing vanadium, molybdenum, titanium and tungsten. Ore with alk. carbonate. U.S. 921,6^6 of May 12, 1909 to F.A.J.Fitzgerald and P.M.Bennie (to General Electric Co.) Production of titanium oxides With 0 - magnetic sep. of iron. 10# HaS04 U.S. 930,3^ of August I9O9 to W. Borchers Process of treating titanif^rous iron ores Smelting with C. U*Si 954,766; 767* 763 to L Ei Saunders Abrasive material' Cpas. of A1 A Ti, Al, Si, & Ti U.S. 957,242 of May 10, 1910 to 0. Bosch Production of titanium - nijbrogen compounds U.S.' 957,343 of May 10, 1910 to 0. Bosch Process" * of making ammonia .By heating Ti nitrid. U.S. 966,215 of August 9, 1910 t0 P* Farup Producing coloring matter from titaniferous iron ores Roasting at low temp, and treatment with Ha0. U.S. 976,337 of November 2, 1910 to F. M. Becket (to Electrometall. Co.) Method of preparing pigment|3 Ti carbide or other product high in Ti heated in air gives yellow pigment, probably nitride. Blue, green or red pigments also obtained. U.S. 927,554 of March 21, 1911 to G. W. Ooggeshall Preparing an alkali metal titanate U.S. 922,230 to V. L. Verneuil (to Heller & Son) Synthetic sapphires Sulfates of Al, Fe and Ti in flame to oxides and latter fused. U.S. 990,191 of April 12. 1911 to 0. Bosch Process of -producing amm6ni|, By heating Ti oyanonitrid. -5~ DUP050026429 u .s .p .-3 U.S. 990,192 Of April IS, 1911 to 0. Bosch Producing ammonium salts By heating Ti nitrid with acid U.S. 995,576 of June 20, I9H to A. Binding-Larsen Treatment of titaniferous iron ores Ti nitrid. U.S. 995 ,..327 .of June 20, 1911 to S. Peacock Process of making phosphorous pentoxide and titanium compounds. ij I U.S. 1,004,505'of September, 1911 to A. V. L. Verneuil Synthetic Sapphires Al, Fe and Ti. I U.S. 1,014,793 of January 16, 1912 to G. Weintraub Obtaining titanic oxide and ferrous sulfate from ilmenite W Ha so*, U.S. 1,028,046 of May 2S, 1912 to J. R. C. Marsh Composition of matter Cnem. mixture contg. Ti, Cr, Ou and boron for treating cast iron and steel. ;! ij U.S. 1,032,432 of July, 1912 to A. J. Rossi Stimulating vegetable growtjh with titanium nitrid* U.S* 1,032,827 of September, 1912 to Becket Refractory article of Ti03 and Ti carbide U.S, 1,059,740j 74l of April 1913 to 0. Liebknecht & F.Blumenthal Auxiliary mordants contg. T^l and glyoollic acid Titanic acid with glycollic acid. U.S. 1,087,575 of February 17 1914 to P. Farup Making a yellow pigment froy a titaniferous iron ore Ilmenite with HaS0* to form sulfates and decomp, of sulfates; 60o Be - 73# 8-80* Br. equiv. 10,368 of 1911; 0er. S?quiv, 260,906; Fr. eauiv. 443,081. U.S* 1,088,359 of February 1914 to S. Peacock Making nitrogen - containing compounds of Ti TiOaH* or T10Na U.S. 1,104,317 of July 1913 to A. J. Ro b s ! Metallurgical method for titaniferous Iron ore 0, Ti ore and Mn. U.S. 1,106,4o6; 7; 8; 9; 10 of August 11, 1914 to A. J. Roseie and L. S Barton Obtaining titanic oxide From TiOa and Fe303 ores, with soda and coke -6- DUP050026430 U.S.P.-4 U, S. 1., 123,763 of January 1915 to H. W. Lamb Making iron cyanide (titanium similar)^ U.8. 1,155,462 of October 5, 1915 to L. E. Barton A pigment containing titanium oxide Re'. U,S. 14,239 (orig. 1,155,462) of April 24, 1917 to L. E. Barton (to Titanium Alloy Manuf. Co.) Composite titanic oxide oijgment J ;j !i U.S. 1,156,220 of October 12, 1915 to P. Farup Titanium oxide from ilmenlte or titaniferous iron ores See Ger. 276,025} Br. 15,680 of 1914 ' U.S. 1,166,547 of January 4, 1916 to A. J. Ro*si and L. E. Barton! Titanic oxide - From ore contg. Ti and Fe oxideb U.S. 1,171,542 of.February 15, 1916 to A> J. Rossi and E.E.Barton1 Titanic oxide concentrate Treatment of titaniferous iron or ilmenite ores. U.S. 1,173,69$ of February 29, 1916 to J. 1. Block Coagulant for filtering A1 sulfate as coagulant for titaniiim compound. Coagulant added to water and Ti sulfate added thereto. U.S. 1,179,394 of April IS, 1916 to L. E. Barton Titanium tetrachloride From Ti03 with coal, then with Cl3 U.S. 1,184,131 of May 23, l$l6 to A. J. Rossi Titanic oxide From ilmenite or rutile with Na bisulfate. U.S. 1,189,229 of July 4, 1916 to L. E. Barton purifying titanic oxide From ilmenite Or other Ti ore. Purity $&.2$ ~ 99-75$ U.S. 1,196,029} 030} 031 of August 29, 1916 to A. J. Rossi and L. E. Barton Basio titanium sulfate From ilmenite or other TiD* ore. 95$ HaS0* mentioned in 1,196,031 U.S. 1,201,541 of Ootober 3l7> 19^6 to L. E. Barton Production of titanium oxitfe From ilmenite ores. U.S. 1,205,144 of November 21, 1916 to L. E. Barton T.itanio oxide pigment Ferric iron red. electrolytically; or by S03 or by HsS. -7- DUP050026431 U.S.P.-* 17.8. 1,205,267; 8; 9; of November 21, 1916 to A. J. Rossi and 0. M. E. Schxoeder Paint containing titanic pxlde U.S. 1,206,796 of December 5, 19^-6 to L. E. Barton Titanic oxide Ilmenite with nitre cake. U.8, 1,206,797 of December 5, 19l6'to L. E. Barton Titanic oxide Ilmenite with NaigSO* and CJ. U.S. 1,206,798 of December 5, 1916 to L. E. Barton Titanic oxide Fe and Ti oxides with Na sulfide U.S. 1,218,lol of March 6, 1917 to L. E. Barton Pigment and Paint Ti03 with white lead. U.S. 1,219,277 of March 13, 1917 to P. Farup Process of producing sulfuiric acid SO3 arid 0 over double oxide of Fe "and Ti U.S. 1,223,35(5; 57; 58; of April 24, 1917 to L. E. Barton Titanium oxide pigment: bajsio sulfate U.S. 1,234,260 of July 24, 1917 to L. E. Barton Pigment containing titanic, oxide U.S. 1,235,638 of August 7, 19!7 to L. E. Barton Titanium oxide U.S. 1,236,367 of August 7, 1917 to L. E. Barton Manufacture of linoleum Titanic material incorporated. U.S. 1,236,655 of August l4, 1917 to D. E. Barton Titanium oxide pigment U.S. 1,240,405 of September 16, 1917 to L. E. Barton Pigments containing tltanipm oxide U.S. 1,251,170 of December 25, 1917 to L. E. Barton Titanium oxiae pigment U.S. 1,255,807 of February 5, 1918 to H. Spence and H. Wrigley Titanium oxalate U.S. 1,256,368 of February 12, 1918 to M. R. Raffin * Concentrating titanium ores Magnetic separation/' -8i DUP050026432 tJ,8.P.-6 U. 8. 1,272,855 of July 16, 191& to A. J. Rossi Titanic oxide Sulfate with "extract of leaves or bark or other org. material U. S. 1,276,644 of Aug. 20, 1913 to V. M, Goldschmidt ProoesB of freeing liquid^ from suspended particles U. S. 1,283,455 of Nov. 5, 1918 to L. E, Barton and H. A. Gardner1 Printers* inks and coloring matters Ink contg. Ti03 tl, S, 1,286,916 of Dec. 10, 191$ to L. E. Barton and H. A, Gardner Lake containing titanic oxide 0; S. 1,288,473 of Dec. 24, 1918 to L. E. Barton Pigment containing titanium oxide 1 U..S. 1,288;863 of Dec, 24, 1918 to M. Fladmark (to Titan Co.) Titanium hydrates Pp'td. from cone, solas* of Ti cpds. Ui 8. 1,297,371 of Mar. 18, 1919 to W. R. Loveman Purifying Zir.conium ores Crude Zr and Ti ore "purified by cone, H3S04 U. S. 1,313,874 of Aug. 26, 1919 to L. E. Barton Titanic oxide pigments U. S. 1,315,011 of Sept. 2, 1919 to E. R, Darling Titanium oxide Ti ore with Cl3. U. S. 1,317,164 of Sept. 30, 1919 to A. P. Jaeger White pigment TfoV and Zn white D. 8* 1^317,165 of Sept, 30, 19J9 to A. P. Jaeger Titanium pigment Cpd. ti contg. S03 and Fe with H3S04 in pres, ZnS04 and heating with NaCl. | j ij j | U. S. 1,317,654 of Oct. 7, 1919 to L, E. Barton and H. A, Gardner Pliable filled fabric goodjs Cellulose material with film of amorph, Ti03 U. 8. 1,322,518 of Nov. 25, 1919 to L. E. Barton Rubber 3 and Ti0a incorporated U. S, 1,325,5b! of Dec. 23, 1919 to P. Farup Titanium Compounds Trag&'n'fiHrir' t o DUP050026433 U.S.P.-7 U, S. i,32b.,319 of Dec. 30, 1919 to L, E. Barton and H,A,Gardner Rubber Treated with S, TiOa, ZnO and 0. U. S. 1,32^,636 of Jan 1920 to J. J. and W. A, Loke Direct production of refined. Iron and refined eteel from tftanlferoua iron ores Reducing gases thru molten iron oxide and Ti opde. Ti cpd. reduced. ! U. S. 1,333.219 of Mar. 16, 1920 to G. Jebeen Dissolving iron and titanium from ilmenite or similar materials Treated with 9H3S04; initial beat. Started by passing thru heated area of steam pipes* Br. equiv. 102,059- U. S. 1,333,^49 of Mar. 16, 1920 to H, Olsen and J. R. Forland (to Titan Co,,) Solution for precipitation of titanium hydrate Electrolytic red. of ferric sulfate to ferrous; small amt. tetrav^lent Ti red, to trivalent. U, S. 1,334,004 of Dec. 1919 to J. Van der Toorn Treating titaniferous iron ores Jlanuf. of metallic Fe. Titan iron sand ground with C and limestone flux and reduced. U. S. 1,330,473 of Apr. 27, 1920 to H. Wrigley and H. Spence (to Peter Spence & Sons, ltd.) Solutions of titanium and iron compounds from ilmenite Cone. H3SO* (1.75, e.g* '-"Si# - 6l.26 Be) and injected steam. j ; U. S. 1,341,307 of May 25, 1920 to P. Farup " Light-colored titanium pigment U. S, 1,343,441 of June 15', 1920 to P. Farup Titanium pigments U. S. 1,343,446; 1,343,447 of June 15, 1920 to V, M. Goldschmidt 1 ^Titanium pigments j U. S. 1,343,462 of June 15, 1920 to R. Nielsen and V. M. Goldschmidt * Titanium pigments U. S. 1,343,469 of June 15, 1920 to R. Nielsen and V. M. Goldschmidt Titanium pigments U. S. 1,342,129 of July 27, 1920 to V. M. Goldschmidt -Titanium compounds suitably for use as pigments U. S. 1,342,243 of Aug. 10, 1920 to L. E. Barton Method of obtaining titanift oxide. - 10 - DUP0500264i34 U.S.P.-3 U* 8.*1}254,,940 of Oot. % 1920 to F. E. Bachman Titanium hydroxide 3 FelCiO^ used to ppt. iron tr. 8, 1,357,690 of Nov. 2, 1920 to 0, T. Coffelt. Recovering titanium from pree llmenite wi'tE HaS0*. 9 claims, U, S. 1.360,737 of Nov, 30, 1920 to P. Farup White pigment TJ, S. 1,361,1366} 067 of Dec. l4, 1920 to 0. Jebsen Purifying titanium hydrates U. S. 1,362,917 of (App,) Mar. 21, 1917 to L. E. Barton and H. A, Gardner (to Titanium Pigment Co.) Preparation of glass. Contains 25^ TiOa TJ. S. 1,360,392 of Feb. 15, 1921 to P. Farup White titanium pigments U. S. 1,379,019 of May 24-, 1921 to A. C. Holzapfel Surface ~ coating composition Contains TiOa U. S. 1,389,191 of Aug, 30, 1921 to V. M. Goldschmidt Titanium pigments U. S. 1,391,14-7} 1,391,148 of Sept. 20, 1922 to F. von Bichowsky and J, F. Harthan Titanium ~ nitrogen oompound TJ. 8. 1,393,220 of Oct. 11, 1921 to A. 0. Holzapfel Paint Acid proof paint contg. TiOa U, S. 1,396,924- of Nov. 15, 1921 to H. H. Buckman Titanium pigments TJ. S. 1,402,256 of Jan. 3, 1922 to H. H. Buckman ^Titanium pigment U. S. l,408,66l of Mar, 7, 1922 to F. von Bichowsky and J. Harthan Titanium nitrogen compounds U. S. 1,409,640 of Mar. 14, 1922 to L. E. Barton Titanium oxide pigment U. S. 1,410,056 of Mar.. 21, 1922 to H. H. Buckman Titanium pigment Ppt. under pres, from acid Ti sulfate soln. si 1 i 5 w i' jj i - 11 - DUP0500264?5 U.S.P.-9 U. B. 1,411,087 of Mar. 28, 1922 to P. Guignard Decomposing nitrogen compounds of titanium U. S. 1,411,899 of Apr. 4, 1922 to H. H. Buckman ^ fitanium pigment tJ. S. 1,412,027 of Apr. 4, 1922 to W. F. Washburn Titanium oxide pigment V, 8. 1,417,702 of Oct. 25, 1920 to F. V. Bichowsky and F. Harthan. Preparation of cyanides From Ti nitride U. 8. 1,419,971 of June 20, 1922 to B. P. F. Kjellberg Process of treating minerals containing iron, titanium and vanadium ---------------------------------------------- ------------------------- Equiv. Be . 159*532 U. S. 1,429,841 of Sept. 19, 1922 to H. H. Buckman /Titanium pigment U. S. 1,430,083 of Sept. 26, 1922 to A. 0. Holzapfel Coating composition Stearine pitch, solvent, rubber, and pigment, e.g., antimony oxide or titanium oxide. V, S. 1,436,164 of Nov. 21, 1922 to V. M. Goldschmidt ^Titanium pigment Ca titahate U. S. 1,467,275 of Sept. 4, 1923 to J. Koerner Prooess of decomposing zirconium and similar ores. Ziroonium, cerium or titanium ores are fused with silicon fluoride U. S, 1,487,521 of Mar. 18, 1924 to P. Andreu and R, Paquet Fixation of nitrogen by mejans of titanium and its transformation into industrial products. Process of producing TiOa. U. S. 1,489,183 of April 1, 1924 to C. Weizmann and J. Blumenfeld. Titanic Acid Ti ore with HaS04 of 70-90# at 150-180 C. Leaching under sufficiently powerful reducing conditions to reduce all ferric salts to ferrous and with qnly enough water to product a solution having a Ti0a content of about 20$. U. S. 1,489,417 of Apr. 8, 1924 to F. E. Bachaann ^Titanium compound and its Manufacture Precipitating titanium. cqmpQUnds..frora solution - 12 - DUP0500264 6 U.3.P.-10 | U* S. Re 15,973 (of l,4S9j,4i7) of Dec. 2J, 19?4 to F. E. Bachmanl Titanium compound and it si manufacture U. S. 1,489,418 of Apr, 8^ 1924- to F. E. Badhraann ^Titanium pigment U. S. 1,492,027 of Apr. 29, 1924 to H. A, Gardner Protective coating composition Rubber latex, a drying oil, an alkali and a pigment, e.g., lithopone, titanium oxide, etc, U. S, 1,501,537 of July 15, 1924 to C, A, Doremus Titanic oxide Ilmenite witE* HF. U. 3, 1,504,669 of Aug. 12, 1924 to J. Blumenfeld Titanium oxide 30 - $0$ H3S04; must not exceed 90$. Prevent pres, ferric ions. U. S. 1,504,670 of Aug. 12, 1924 to J. Blumenfeld Titanyl sulfate U. S. 1,504,671 of Aug, 12, 1924 to J. Blumenfeld Titanium oxide 36$ HaS04. Metallic Fe added to reduce ferric sulfate. U. 8. 1,504,672 of Aug. 12, 1924 to J. Blumenfeld U, S. Re 17,429 and 17,430 of Sept. 10, 1929 to J, Blumenfeld (to Commercial Pigments Corporation) Titanium hydroxide U. 3. 1,504,675 of Aug. 12, 1924 to J. Blumenfeld U. S. Re 16,956 of May S, 1923 to J. Blumenfeld ^Titanium pigment U. S. 1,511,323 of Oct. 1924 to E. C. Eckel Cement and by products Lime and titaniferous iron ore fused. Products, oement and Fe. U. S. 1,523,319 of Mar. 3, 1925 to G. Carteret and M. Devaux Treating titanium ores for obtainment of pigments U. S. 1,539,99^ of June 2, 1925 to P. Farup Titanic oxide U. S. 1,542,350 of June l6ft 1925 to C. R. Whittemore Process of treating titaniferous iron ores and the products thereof 7 U. S. 1,559,113 of Oct. 27), 1925 to H. N. McCoy Titanium sulfate - 13 - DUP050026437 U.S.P.-ll U. S. 1,567,445 of Dec. 29k 1925 to 3, J. Lubowsky Refractory material, articles made therefrom, and method, of making same daleiried rut iTe used. U. S. l,56g,09S of Jan. 5, 1926 to E. E. Snook Plastic masses kirk, glue, gelatine, etc. with titanox U. S. Reiss. 16,435 (of 1,568,093) of Oct. 5, 1926 to E. E. Snook Modeling clay includes titanox U. S. 1,569,4^3 of Jan. 12, 1926 to T, R. Haglund Process for the treatment of oxidic raw materials Oxides of Fe, si and T'i removed from bauxite U. S. 1,573,900 of Nov. 30, 1926 to 3. Lubowsky (to Metal and Thermit Corp.) Porous article, of rutile and method of making same U, S. 1,532,666 of May 4, 1926 to T. W. Anderson Wood-finishing; material Linseed oil catalyzed by alumina, TiOa and iron sesquioxide U. S. 1,533,053 of May 4, 1926 to B. P. F, Kjellberg Method of recovering vanadium compounds from iron ores containing vanadium and titanium U. S, 1,590,697 of June 29, 1926 to P. Pipereaut and A. Helbronner Titanic and zinc compounds. U. S. 1,593,660 of July 27, 1926 to S. J. Lubowsky Process for reduoing refracjtory ores U, S. 1,600,772 of Sept. 21, 1926 to W. J. O'Brien Lithopone and process for producing same Pigment comprising lithopoiie 'and Ti03 U. S. 1,600,773 of Sept. 21, 1926 to W. J. O'Brien Lithopone Zn sulfa!te, Ba sulfate and Ti03 U. S. 1,605,351 of Nov. 2, 1927 to R. H. Monk v Titanium pigment U. S. 1,613,234 of Jan, 4, 1927 to P. A. Mackay Titanium oxide < Prep, from titaniferous ore;. 4. - 14 - s DUP050026 U.S.P.-12 U. a. 1,617,754 of Feb. 15, 1927 to D. Gardner Manufacture of paints U. 8. 1,618,795 of Feb. 22, 1927 to F. E. Bachman Recovery of titanic acid, ^ron and magnesia from titaniferous ores, tj, S. 1.633,621 of June 23, 1927 to J. Blumenfeld Filtration of solutions and the like Clarification of sols, contg. elements of 4th group U. S. 1,639,423 of Aug. l6, 1927 to j. Blumenfeld ^Titanium pigments U. S. 1,640,952 of Aug. }0, 1927 to S, J, Luboweky Soluble product from titanium dioxide or rutile Calcined with MgO. U. S. 1,649,496 of Nov. 15, 1927 to N. Specht Titanic oxide U, S. 1,655,940 of Jan. 10, 1928 to J, d'Ans and F. Sommer Titanivus oxide fted. of ferric iron by usual methods, i.e. electrolytic red. or by metallic Fe. TJ. S, 1,662,741 of Mar, 13, 1928 to D. Gardner Paint8. enamels. japans and the like From oxides of Ti, Zr, Ce, Va, etc. U. S. 1,663,119 of Mar. 20, 1928 to Cole Coolidge and H. E. Eastlack Coating composition and method of making the same. Titanium pigments, among others, used, to prevent Clobbering*. U. S. 1,664,675 of April 3, 1923 to G. Gestetner Stencil sheet. A white titanium pigment is used in the stencil sheet coating. U. S. 1,675,12.7 of June 26* 1928 to S. J. Lubowsky Electrically - conductive Titanium oxide Can. 253,964 U, S. 1,660,316 of Aug. l4* 1923 to L. E. Barton and L. W, Ryan (to Titanium Pigment Co.) / Titanium Pigment See Can. 274,070 U. S. 1,632,242 of Aug. 28, 1928 to W. A. Patriok (to Silica Gel Corporation). Titanium oxide gel. - 15 - /- DUP050026439 U.S.P.-13 U, S. 1.688,117 Of Oct. l6? 1928 to 0. L. Davis Composition of matter for transfer designs White ink containing titanox U. S. 1,689,693 of Oct. 30, 1928 to C. Stapley minerals or othpr materials by flotation. U. S. 1,695,270 of Deo. 18, 1928 to L, E. Barton and C. J. Xinzie Method of obtaining titanic oxide 0. S. 1,695,341 of Dec. 18, 1928 to R. H. Monk Method of obtaining titanium oxide U, S. 1,697|929 of Jan. 8, 1929 to L. W. Ryan (to Titanium Pigment Co.) Alkali-metal titanate U.S. 1,699,173 of Jan. 8. ,1929 to 0. R. Whittemore Titanium oxide from titaniferous iron ores Ferriciron red.eiectrolytical to ferrous iron U. S. 1a,7l0n0t'^ of Jan. 29, 1929 to A. P. Goodell and G, W. Tarr Water paint Pigments used include lithopone and titanium dioxide U. S. 1,703,920 of Mar. 5, 1929 to C. E. Bradley and W. A, Gibbons (to Naugatuoh Chemical Co.) Coating composition Haiogenated, sulfur chloride-treated rubber in a volatile solvent and pigments, e.g. titanium oxide. U. S. 1,704,308 of Mar. 5, 1929 to B. Szilard Polishing and, grinding material Comprises TiOa and another titanium salt. U. S. 1,707,248 of April 2, 1929 to J. Blumenfeld (to Commercial Pigments Corporation) Manufacture of titanium oxide Optional red. of ferric salts to ,ferrous. U. S. 1,707,257 of Apr. 2, 1929 to C. de Rohden (to Commercial Pigment Corporation) Production of titanium tetrjachloride U* S. 1,707,587 of Apr. 2, 1929 to F. S. Vivas Process of preparing a fireproofing material for paints Boric acid,borax, zinc sulfate, sodium tungstate and "gelatine in solution mixed with Ti0a, asbestine and silica. U. S. 1*709,999 of April 23u 1929 to W. J. O'Brien Lithopone and process for producing same. Contains Ti03 ^----------- ------------- 16 - DUP050026440 U.S.P.-14 U. S. 1^714,406 Of May 21, 1929 to F. G, C. Stephens ^Production of titanium containing pigments U. S. 1,717,561 of June IS, 1929 to N, M. Hopkins Coated article A primary fire-resistant ooating including borax and a second coating containing the usual pigments, e.g. Ti03 U. S. 1,719,432 of July 2, 1929 to C. J. Kinzie (to the Titanium Alloy Manufacturing Co.) V' Colored opacifying pigment and method of making same U. S. 1^725,296 of Sept. 17, 1929 to A. E, Marshall (to Maryland Pigments Corporation) Process of making a white-pigment base Ilmenite sand with phosgene to remove 'Fe, U. S. 1,731,364 of Oct. 15, 1929 to F. v. Bichowsky Alkali-metal compound of a;suboxide of titanium and derivatives therefrom U. S. 1,734,034 of Nov, 5, 1929 to A. W. Gregory Titanium recovery from oreq C and Na3C03 used U. S. 1,734,130 of Nov. 5, 1929 to C. H. Holman & 0. W, Hooppan .Coating for wood, metal or ,other surfaces Ti03 pigment incorporated U. S, 1,736,765 of Dec. 10,, 1929 to F. Doerinokel and L. Mehler (to Titanium Pigment Company) Manufacture of Titanium oxijde Na3803 used to red Fe. U, 8. 1,742,674 of Jan. .7, 1930 to F, v. Bichowsky (tc Titania Carp.) Titanium oxide and process .of producing same U. S. 1,743,665 of Jan, 14, 1929 to D. Gardner and L, Taverner Extraction of iron and titanium compounds from titanium ores U. S. 1,745,732 of Feb, 4, 1930 to G. J. Bancroft Method of treating ferrotlt|anium ores Ferrotitanium ores are subjected to a reduoing roast in the presence of fluorspar to obtain iron concentrates and titanium oonoantrates. U. 8. 1,748,429 of Feb. 25, 1930 to F. Stephens, L, J. Anderson and W. Cash Manufacture of titanium-containing compounds See' ~Br ."3"Q9,05l--------------------- 1------------------- --------- - 17 - DUP050026441 U.S.P.-15 TJ. S. 1,750,287 of Mar. 11, 1930 to N. Specht Process of produoing permanjent paints Removing acid from TiOa pigment U. S. 1,750,754- of Mar. IS, 1930 to W. Hoskins Hectograph Blanket Coating contains Ti03 U. S, Appl, 199*135 of June 15, 1927 to Titania Corporation Titanium oxide and process pf producing same U. S. Appl. 294,9S1 of July 24, 1928 to Fitzgerald and Kelleher (to Titania Corp.) Metallurgical furnace Prep, "of Ti nitride in an electric furnace U. S. Appl. 320,762 of Nov. 20, 1928 to Titania Corp. Titanium acid sulfate. U. 8. Appl. 365,233 of May 22, 1929 to Titania Corp. Method for produoing titanium compounds U. S. Appl. 403,660 of Oct. 30, 1929 to Titania Corp. Method of producing titaniufe compounds and compounds of nitrogen U, S. Application of Apr. 13, 1928 to Heinrich Plant (to I.O.) Alkali metal- or ammonium-tjitanium double sulfates i- - 18 DUP050026 442 \ 150,00? 4g6,94-1 503,^23 503.424 503.425 068,260 670,^19 ,, 681,993^ 691.422 691.423 701,713 782,357 741.396 753,710 760,319 737,753 921,636 930,344 954.766 954.767 954,763 957,642 957,343 966,315 976,337 / 937,554^ 933,230 990.191 990.192 995,576 995.397 1,004,505 i$i;$ 1.059.740 1.059.741 1,037,575 1,033,359 1,104,317 1,106,405 1,106,407 1,106,403 1.106.409 1.106.410 1,123,763 1,155,462 1,156,220 1,166,54-7 1,171,542 Re 14,239 - 19 - U.S.P.-16 1,173,693 1,179,394 1,134,131 1,139,229 1,196,029 1.196.030 1.196.031 1,201,541 1,205,144 1,205,267 1,205,263 1,205,269 1,206,796 1,206,797 1,206,793 1,213,161 1,219,277 1.223.356 1.223.357 1,223,353 1,234,260 1,235,633 1,236,367 1,236,655 1,240,405 1,251,170 1,255,307 1,256,363 1,233,455 1,236,916 1.233.473 1 233,363 1,297,371 1,313,374 1,315,011 1.317.164 1.317.165 1,317,854 1,322,513 1,325,561 1.326.319 1,323,636 1.333.319 1,333,849 !,334,004 1.333.473 1,343,446 DUP050026443 U.S.P.-17 1,3*3,447 1,343,46a 1,343,469 1,348,129*'' 1,348,843 1,354,940 1,357,690 l,360,77 1,361,86b ,1,361,867 l,3o2,917 1 363,392 1,379,019 1,339,191 !,391,147 1,391,148 1,393,220 1,390,924 1,402,25b 1,408,661 1,409,648 l,4io,05o 1,411,037 1,411,839 1.412.027 1,417,702 1,419,971 1,429,841 1,430,081 1,436,164^ 1,487,521 1,489,183 ^ 1,489,417. 1,489,418 15,973 1.492.027 1,501,587 1,504,669 I,- 504,570- 1.504.671 1.504.672 Re 17,429 & 17,430 1,504,673 Re 16,956 1,511,323 1,528,319 1,539,996 1,542,,3750- 1,559,113 1,567,445 1,568,098 Re 16,435 Appl, 1,569,483 1,578,900 1,582,888 1,583,053 1,590,697 1,593 ^60 1,600,772 00,773 _ 1,605,851 ^ 1,613,234 ^ 1.617.754 1,618,795 1,633,621 1,639,423*^ 1,640,95 1 649 MS 1,655,940 l,6b2,74l 1,675,117 ,, 1,680,31b^ 1,682,242 1*688-117 1,689^93 1,695,270 1,695,341 1,697,929 * 1,699,173. 1,700,404 1,703,920 1,704,308 1,707,248 1,707,257 1,707,587 1,717,561 1,719,432 1,728,2^6 i,731,364 1,734,534 1,734,130 1,738,765 1,742,674 1,743,885 1,748,429a 1,750,287 1.750.754 199,135 294,981 320,762 ' 20 - DUP050026444