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T.O.M. Microfilm Reel 297

(Original Designation FIAT Reel K-30) PB L73587

Table of Contents

Documents taken from Ruhrchemie A.G., Oberhausen-Holten

Frames 

7371-7373       Treatment of gasoline with Fuller's earth.  By Velde.  October 12, 1938.  3 pages.

7374-7377       Boiling analyses of different cracked products.  By Velde, October 7, 1938.  4 pages.  Two graphs attached.

7378-7396       Examining products of a cracking plant.  By Velde May 7, 1938.  19 pages.  Six graphs and nine tables attached.

7397-7398       Iron catalyst tests in Fischer-Tropsch gasoline production.  By Hagemann.  February 2, 1946.  2 pages.

7399-7401       Normal pressure Fischer-Tropsch synthesis of gasoline with iron catalysts.  By Hagemann.  November 12, 1945.  3 pages.

7402-7409       Reduction of water consumption in industrial  plants.  By Johswich.  March 23, 1944.  8 pages.  Four diagrams attached.

7410-7437       Improvement in the operation of Fischer-Tropsch gasoline synthesis plants.  Report of conference in 2 sections/reports.  By Lopmann and Feisst.  March 26, 1943. 28 pages.

7438-7440       Desulfurization of synthesis gas.  July 8, 1941.   3 pages.

7441-7443       Operation of two-stage Fischer-Tropsch gasoline synthesis.  By Schuff.  January 15, 1940.  3 pages.

7444-7447       Dry regeneration of Fischer-Tropsch gasoline synthesis catalysts.  By Roelen.  July 15, 1939.   4 pages.

7448-7453       Thorium-magnesium catalysts for Fischer-Tropsch gasoline synthesis.  By Schuff.  No date.  6 pages - incomplete report.

7454-7467       Content of cobalt and diatomaceous earth in Fischer-Tropsch gasoline synthesis catalyst - Kölbel Report No. 68.  By Kölbel.  March 9, 1938, Treibstoffwerk Reinpreussen.  14 pages. (Reproduced also on T.O.M. Reel 308, Frames 1014-1031.)

7468-7482       Efficiency and life of the Fischer-Tropsch gasoline synthesis catalyst.  2 separate reports by Steinbrecher and Weingaertner, Braunkohle Benzin A.G., Ruhland.  January 4 and 5, 1938.  15 pages.  (Reproduced also on T.O.M. Reel 292, Frames 3782-3796 and T.O.M. Reel 308 (?), Frames 999-1013.)

7483-7516       Aromatization tests.  Second report on the aromatization tests in the LT experimental plant.  By Kolling.  February 8, 1941.  34 pages.  One table, two diagrams and six graphs attached.

7517                Allotment of raw materials for a gasoline and nitrogen plant.  By Gottlob. November 16, 1940.   1 page.

7518-7525       Plant for drying of hydrogen.  By Stuhlpfarrer.  July 19, 1940.  8 pages.  One diagram and four graphs attached.

7526-7536       Flow resistance in the aromatization catalyst.  By Kolling.  July 2, 1940.  11 pages.  Report appears on Frames 7526-7530 and is duplicated on Frames 7531-7535 with one diagram appearing on Frame 7536.  (Complete report which includes seven diagrams is reproduced on T.O.M. Reel 290, Frames 2458-2460 and T.O.M. Reel 291, Frames 2461-2469, these two sets of frames making up the complete report.)

7537-7562       Results obtained in the LT plant.  Production of pure C7 compounds, aromatization and production of pure toluene - test of report.  By Kolling.  April 30, 1940.  26 pages – no tables, figures, or diagrams.  (Complete report which includes tables, diagrams, and figures is reproduced on T.O.M. Reel 289, Frames 1666-1736 and two reproductions of the text of the report appear on T.O.M. Reel 291, Frames 2532-2603.)

7563-7566       Processing of aluminum oxide into aromatization catalysts.  By Spiske.  January 26, 1940.  3 pages.  (Report is also reproduced on T.O.M. Reel 291, Frames 3007-3010.)

7567                Trial nitration of synthetic toluene.  Note from the Oberkommando des Heeres, dated January 15, 1940.  1 page.

7568                Toluene testing installation.  Report dated August 31, 1939.  1 page.

7569-7571       Production of pure toluene from "active carbon gasoline".  By Petri.  July 14, 1939.  3 pages.  (Reproduced also on T.O.M. Reel 289, Frames and T.O.M. Reel 290, Frames 2077-2079.)

7572-7575       Production of toluene by aromatization.  By Rottig.  May 26, 1939.  4 pages.  (Reproduced also on T.O.M. Reel 290, Frames 2095-2098.)

7576-7581       Production of aromatic hydrocarbons from acetylene.  by Velde.  October 21, 1937. 6 pages. One table attached.  Figures referred to missing.

7582-7592       Calculations of an ethylene plant. By Tramm.  August 20, 1943.  11 pages.

7593-7595       Synthesis of light hydrocarbons.  By Dahm.  February 15, 1939.  3 pages.  One diagram attached.  (Report is also reproduced on T.O.M. Reel 290, Frames 2140-2142.)

7596-7599       German Patent application R 640.  Separation of sodium carbonate soaps from soap mixtures containing hydrocarbons.  November 4, 1942.  4 pages.

Separation of soaps from reaction mixtures which contain hydrocarbons by a high excess of alcohol and water.

7600-7603       Addition German Patent Application T 57,756 IXb/42 1.  Apparatus for determining the viscosity of liquids.  By Heinrich Tramm.  October 21, 1942.  4 pages.  One diagram attached.  A viscometer with tubes so small that a drop is sufficient for filling.

7604-7605       German Patent Application R 638.  Level indication for liquids in containers.  October 21, 1942. 2 pages.  Liquid level measurement by electrical resistance measurement.

7606-7609       German Patent Application R 636.  Production of unsaturated hydrocarbons by catalytic hydrogenation of carbon monoxide.  September 26, 1942.  4 pages.  Olefin production by reduced catalyst load.

7610-7616       German Patent application R 635. Process for carrying out exothermic reactions.   September 21, 1942.  7 pages.  Operation of a catalyst oven with two heat exchangers.

7617-7619       Additional application for patent  J 63,879 IVd/12 o. Process for producing solid hydrocarbons by reacting carbon monoxide with hydrogen at ordinary temperatures.  By Kotzschmar and Others.  February 20, 1939.   3 pages.

7620-7623       Additional application for patent J 63,778 IVd/12 o.  Production of low-boiling liquid hydrocarbons.   February 11, 1932.  4 pages.

7624-7627       German Patent Application R 633.  Production of ammonium nitrate which will not harden during transportation or storage.  September 14, 1942.  4 pages.  Pre-cooling ammonium nitrate to about 80°-90° C on a cooling drum and final cooling and granulation.

7628-7630       German Patent Application R 632.  Adjustment of uniform packing heights in catalytic processes.  August 31, 1942.  3 pages.  Catalyst suction apparatus for obtaining catalyst tubes not fully packed.

7631-7632       German Patent Application R 631.  Preliminary treatment of coal gases which are to be highly compressed. August 28, 1942.  2 pages.  Catalytic methanization of coal gases with regard to hindering corrosion.

7633-7634       German Patent Application R 629.  Increasing the yield of oxygen-containing products in the catalytic hydrogenation of carbon monoxide. August 25, 1942.  2 pages.  Catalytic hydrogenation of carbon monoxide below excess pressure and with addition of acetylene and ethylene.  Addition to German Patent Application R 109,774 IVd/12 o. 

7635-7637       German Patent Application R 628.  Stabilization of synthetic lubricating oils. August 20, 1942.  3 pages.  Stabilization with sulfur and amino compounds which can form thiodiphenyl amines. 

7638-7640       German Patent Application R 627.  Dehydrogenation of saturated aliphatic hydrocarbons. August 20, 1942.  3 pages.  In the dehydrogenation resulting from chlorine addition and removal, high catalyst charges are used to avoid diolefin formation.  Addition to German Patent Application R 109,613 IVd/12 o. 

7641-7644       German Patent Application R 626.  Reduction of the size of thread-like products, especially in the production of catalysts.  August 7, 1942.  4 pages.  Disintegration of thread-like shaped catalysts by centrifugal action.

7645-7647       German Patent Application R 625.  Lubricant containing carboxylic acids or their derivatives.  August 4, 1942.  3 pages. 

7648-7650       German Patent Application R 624.  Comparison viscometer for the determination of the degree of viscosity or dilution of lubricants. By H. Tramm.  July. 23, 1942.  3 pages.

7651-7652       German Patent Application R 623.  Production of ammonium nitrate-mixed fertilizers. July 22, 1942.  2 pages.

7653-7655       German Patent Application R 622.  Packing of catalysts into catalytic furnaces.  June 24, 1942.  3 pages.  Catalyst packing by insertion of a paraffin layer floating on water.

7656-7662       German Patent Application R 621.  Packing of catalysts into catalytic furnaces. June 8, 1942.  7 pages.  Catalyst packing by introducing a paraffin layer.

7663-7667       German Patent Application R 620.  The operation of exothermic catalytic furnaces. June 6, 1942.  5 pages.  One diagram attached.  Catalyst furnace with vertical tubes not fully packed.  

7668-7672       German Patent Application R 619.  Catalyst furnace for exothermic gas reactions, especially carbon monoxide hydrogenation.  June 6, 1942. 5 pages.  Furnace with vertical tubes and upper ring chamber.  Two diagrams attached. 

7673-7677       German Patent Application R 618.  The production of uniformly granulated calcium ammonium nitrate.  June 5, 1942.  5 pages.  Spraying ammonium nitrate on calcium carbonate moving in a rotating drum with simultaneous heating.

7678-7682       German Patent Application R 617.  Uniform heating of coal dust furnaces.  May 28, 1942.  5 pages.  Three diagrams attached.

7683-7685       German Patent Application R 615.  The dehydration of gases.  May 26, 1942.  3 pages.

7686-7689       German Patent Application R 614.  The separation of branched fatty acids from mixtures of isomeric and homologous fatty acids.  May 14, 1942.  4 pages.  Separation of branched fatty acids from isomeric and homologous mixtures by partial saponification.

7690-7692       German Patent Application R 612.  High pressure distillations.  May 11, 1942.  3 pages.  Pressure distillation with re-introduction of the top products into the bottom products.

7693-7697       German Patent Application R 611.  Dehydrogenation of hydrocarbons.  May 6, 1942.  5 pages.  Olefin formation (dehydrogenation) with aromatization catalysts by addition of compounds which form water in the hydrocarbon mixture.

7698-7701       German Patent Application R 610.  The regulation of temperature in relation to other temperatures.  May 6, 1942.  4 pages.  Temperature  regulation of distillation columns and similar apparatus by air thermometers connected opposite each other.

7702-7706       German Patent Application R 609.  Process for separating isomeric fatty acid mixtures.  May 1, 1942.  5 pages.  Separation  of isomeric fatty acids by partial saponification and extraction.

7707-7709       German Patent Application R 607.  Double walled protective hood for gasoline tanks, etc.  March 11, 1942.  3 pages.

7710-7714       Cellular encasing of liquid motor fuels.  February 19, 1942.  5 pages.

7715-7718       German Patent Application R 604.  Production of methane for mixtures of oxides of carbon with hydrogen.  February 2, 1942.  4 pages.  Methanization with nickel catalysts which contain MgO as activator.

7719-7724       German Patent Application R 603.  Conversion of sulfur, bound organically in technical gases (i.e. coke-oven gases), into an easily absorbable form. February 2, 1942.  6 pages.  Splitting-off of organic S compounds with catalysts which contain additions of calcium, magnesium or aluminum.

7725-7727       German Patent Application R 602.  Conversion of sulfur, bound organically in technical gases, like coke-oven gas, in an easily absorbable form.  February 2, 1942.  4 pages.  Splitting-off of organic S compounds with catalysts which contain copper as the catalytically active constituent.

7728-7731       German Patent Application R 601.  Production of pure alcohols.  January 27, 1942.  4 pages.  Separation of olefin-containing oils in alcohol production by addition of water gas.  Addition to German Patent Application R 106,852 IVd/12 o. 

7732-7735       German Patent Application R 600.  Production of ethers used as solvents or softening agents.  January 26, 1942.  4 pages.  Ethers from OXO compounds used as solvents or softening agents.

7736-7739       German Patent Application R 728.  Dehydrogenation of higher molecular hydrocarbons.  September 30, 1944.  4 pages.

7740-7741       German Patent Application R 727.  Production of mono-and dinitro derivatives of the naphthene series.  September 29, 1944.  2 pages.

7742-7744       German Patent Application R 726.  Process for nitrating toluene.  September 29, 1944.  3 pages.

7745-7748       German Patent Application R  725.  Regeneration of thorium for catalyst production.  September 15, 1944.  4 pages.

7749-7754       German Patent Application R 724.  Reaction furnace with recuperative preheating, especially for the continuous combustion of H2S in an excess of CO2--containing gases to form Sulfur.  August 31, 1944.  6 pages.

7755-7758       German Patent Application R 723.  Dechlorination of condensation and polymerization products of olefins obtained by the splitting of carbon monoxide hydrogenation products.  August 3, 1944.  4 pages.

7759-7762       German Patent Application R 722.  Production of high molecular hydrocarbon oils by condensation and polymerization of hydrocarbons.  August 1, 1944.  4 pages.

7763-7772       German Patent Application R 721.  Starting gasoline engines at low temperatures.  July 24, 1944.  10 pages.  Addition to German Patent Application R 115,636 Ia/46 a 7.  Two diagrams attached.

7773-7790       German Patent Application R 720.  Catalytic cracking of carbon monoxide hydrogenation products into olefinic, low-boiling hydrocarbons. July 20, 1944.  9 pages.  Two graphs attached.  2 copies on entire application.

7791-7796       German Patent Application R 719.  Fuel injection for starting injection engines. July 12, 1944.  6 pages.  Addition to German Patent Application R 115,636.  One diagram attached.

7797-7800       German Patent Application R 718.  Use of fuel vapors that form in fuel tanks and pipes.  June 16, 1944.  4 pages.  Addition to German Patent Application R 110,972 Ia/46 c 2.

7801-7804       German Patent Application R 717.  Improvement of synthetic lubricating oils.  June 8, 1944.  4 pages.  Addition to German Patent Application R 108,370 IVd/23 b.

7805-7809       German Patent Application R 716.  Testing the oxygen stability of lubricating oils.  May 18, 1944.  5 pages.

7810-7811       German Patent Application R 715.  Improving the efficiency of existing cracking plants.  May, 15, 1944.  2 pages.

7812-7815      German Patent Application R 714.  Production of resins. May 15, 1944.  4 pages.

7816-7817       German Patent Application R 713.  Production of high molecular compounds from lower molecular olefins.  April 28, 1944.  2 pages.

7818-7821       German Patent Application R 712.  Automatic sampling at low pressures.  April 24, 1944.  4 pages.  One diagram attached.

7822-7825       German Patent Application R 711.  Automatic dosing of exactly measured liquid volumes at greatly reduced pressures. April 4, 1944. 4 pages.  One diagram attached.

7826-7835       German Patent Application R 710.  Process for dehydrogenating hydrocarbons with formation of aromatic substances.  March 29, 1944.  10 pages.  Two graphs and one diagram  attached.

7836-7838       German Patent Application R 709.  Exhaling valve for gas-protection equipment.   March 15, 1944.  3 pages.  Five diagrams attached.

7839-7841       German Patent Application R 707.  Separating mixtures of sulfuric esters of higher molecular hydrocarbons on the one hand and paraffin hydrocarbons on the other hand.  March 10, 1944. 3 pages.  Addition to German Patent Application R 116,698 IVd/12 p. 

7842-7844       German Patent Application R 706.  Removal of ashes from gas producers with moving grates.  March 9, 1944.  3 pages.  One diagram attached.

7845-7847       German Patent Application R 705.  Manufacture of high-grade gas producers with moving grates.  February 9, 1944.  3 pages.

7848-7849       German Patent Application R 704.  Manufacture of synthetic  soaps.  February 8, 1944.  2 pages.

7850-7854       German Patent Application R 703.  Manufacture of aliphatic carboxylic acids solidifying at low temperatures. February 4, 1944.  5 pages.

7855-7858       German Patent Application R 700.  Manufacture of active dehydrogenation catalysts.  January 15, 1944.  4 pages.

7859-7860       German Patent Application R 697.  Polymerization of carbon monoxide hydrogenation products containing oxygen.  December 31, 1943.  2 pages.

7861-7872       German Patent Application R 695.  Manufacture of high-grade aviation gasoline from natural gasolines.  December 20, 1943.  12 pages.  Three graphs and one flow diagram attached.

7873-7877       German Patent Application R 694.  Automatic permanent gas-sampling apparatus with adjustable volume.  October 30, 1943.  5 pages.  One diagram attached.

7878-7881       German Patent Application R 693.  Manufacture of condensation products.  September 15, 1943.  4 pages.

7882-7883       German Patent Application R 692.  Manufacture of organic acids by oxidation of coal.  September 15, 1943.  2 pages.

7884-7886       German Patent Application R 691.  The increase of the resistance to aging of lubricating oils.  September 9, 1943.  3 pages.

7887-7890       German Patent Application R 690.  Removal of compounds containing oxygen from hydrocarbon mixtures.  September 9, 1943.  4 pages.

7891-7892       German Patent Application R 689.  Treatment of waste gases containing acid, especially nitrous gases.  September 7, 1943.  2 pages.  Addition to German Patent Application R 115,001 IVb/12 e.

7893-7895       German Patent Application R 688.  Separating mixtures of sulfuric esters of higher molecular hydrocarbons on the one hand and paraffin hydrocarbons on the other hand. August 25, 1943.  3 pages.  Addition to German Patent Application R 116,698 IVd/12 o.

7896-7902       German Patent Application R 687.  Aromatization and dehydrogenation catalysts.  August 20, 1943.  7 pages.  Addition to German Patent Application R 114,653 IVd/23 b.

7903-7907       German Patent Application R 686.  Activation of carbon monoxide hydrogenation catalysts.  July 30, 1943.  5 pages.

7908                Note with regard to release of patent applications.  November 4, 1943.  1 page.

7909-7914       German Patent Application R 685.  Starting of fuel injection engines.  August 9, 1943.  6 pages.  Four diagrams attached.

7915-7917       German Patent Application R 684.  Manufacture of carboxylic acids or their salts from esters with out formation of alcohols as by -products.  July 23, 1943.  3 pages.

7918-7920       German Patent Application R 683.  Processing residues of catalyst oil resulting from olefin polymerization to lubricating oil by means of aluminum chloride.  July 21, 1943.  3 pages.

7921-7924       German Patent Application R 682.  Olefin polymerization by means of metal halides.  July 19, 1943.  4 pages.

7925-7926       German Patent Application R 681.  Manufacture of carboxylic acids or their derivatives resulting from treatment with alkalis.  July 15, 1943.  2 pages.

7927-7928       German Patent Application R 680.  Manufacture of carboxylic acids of their derivatives resulting from treatment with alkalis.  July 14, 1943.  2 pages.  Addition to German Patent Application R 115,996 IVa/23 d.

7929-7931       German Patent Application R 679.  Dechlorination of hydrocarbons.  July 12, 1943.  3 pages.

7932-7935       German Patent Application R 678.  Automatic apparatus for conveying small and very small amounts of liquids.  July 10, 1943.  4 pages.

7936-7940       German Patent Application R 677.  Separating mixtures of sulfuric esters of higher molecular hydrocarbons on the one hand and paraffin hydrocarbons on the other hand.  July 9, 1943.  5 pages.

7941-7942       German Patent Application R 676.  Manufacture of mono-nitrotoluene from toluene.  July 6, 1943.  3 pages.

7943-7945       German Patent Application R 675.  Manufacture of pure chromium nitrate.  July 5, 1943.  3 pages.

7946-7950       German Patent Application R 674.  Manufacture of ammonium nitrate by neutralization of ammonia and nitric acid.  July 16, 1943.  5 pages.

7951-7954       German Patent Application R 673.  The removal of alcohol from hydrocarbon-alcohol-mixtures.  June 29, 1943.  4 pages.

7955-7957       German Patent Application R 672.  Removal of chromium from industrial products.  June 21, 1943.  3 pages.

7958-7960       German Patent Application R 671.  Valve with rubber jacketed gate.  June 19, 1943.  3 pages.

7961-7964       German Patent Application R 670.  Manufacture of iron catalysts for low temperatures.  May 20, 1943.  4 pages.

7965-7968       German Patent Application R 669.  Manufacture of carboxylic acids or their derivatives from concentrated soap solutions.  April 19, 1943.  4 pages.

7969-7972       German Patent Application R 667.  Iron catalysts for producing primarily olefinic and oxygen-containing hydrocarbons during carbon monoxide hydrogenation.  March 17, 1943.  4 pages.  Iron catalyst with cerium, vanadium or manganese addition for obtaining higher olefin content.

7973-7976       German Patent Application R 666.  Starting gasoline engines at very low temperatures.  March 11, 1943.  3 pages.  Starting gasoline motors by spraying fuel directly into the cylinder.

7977-7978       Incompletely reduced catalyst material.  By Roelen.  March 11, 1943.  2 pages.

7979-7980       German Patent Application R 664.  Suppression of foam formation during the washing of gas components.  February 6, 1943.  2 pages.  The foam formation of alkacid plants in the washing of gas is suppressed by high molecular alcohols.

7981-7984       German Patent Application R 662.  Production of hydrocarbons by catalytic carbon monoxide hydrogenation.  January 30, 1943.  4 pages.  The desulfurization of synthesis gas is carried out with the used synthesis catalyst. 

7985-7988       German Patent Application R 662.  Manufacture of calcium ammonium nitrate.  January 28, 1943.  4 pages.  Calcium nitrate solutions are treated with ammonia gas and then evaporated.  One flow diagram attached.

7989-7991       German Patent Application R 660.  Deliming of magnesium oxide.  January 23, 1943.  3 pages.  Purification of magnesium catalyst carrier with magnesium nitrate solution for removal of lime compounds.

7992-7995       German Patent Application R 659.  Testing apparatus for carrying out chemical reactions, especially high pressure reactions.  January. 21, 1943.  4 pages.  Block furnace with shaking autoclave.

7996-7998       German Patent Application R 658.  Preparation of fatty acid concentrates capable of forming soaps.  January 14, 1943. 3 pages.  The synthesis products are washed with a circulating concentrated caustic soda solution until soap separation occurs.

7999-8003       German Patent Application R 657.  Enrichment of the olefin content of hydrocarbon mixtures.  January 14, 1943.  5 pages.  1 graph illegible.  The hydrocarbon mixture is separated into fractions and those fractions containing a high olefin content are mixed together, making a rich olefin mixture. 

8004-8006       German Patent Application R 656.  Dehydrogenation of cyclic hydrocarbons.  January 13, 1943.  3 pages.  Cyclic hydrocarbons are dehydrogenated by using chlorine or bromine and aluminum oxide or silicic acid catalysts.

8007-8010       German Patent Application R 655.  Catalytic addition of water gas to olefins.  January 9, 1943.  4 pages.  The catalysts used for the water gas addition are suspended in media which are not soluble in the reaction mixture.

8011-8013       German Patent Application R 654.  Preparation of carbon compounds containing oxygen by catalytic addition of water gas on olefins.  January 8, 1943.  3 pages.  Carrying out the OXO water gas addition at temperatures below 200°C and in the presence of steam.

8014-8016       German Patent Application R 651.  Simplified and improved measurement of dusty and fine-grained products.  December 24, 1942.  3 pages.  Two diagrams attached.

8017-8018       German Patent Application R 650.  Treatment of waste gases containing acid, especially nitrous gases.  December 25, 1942.  2 pages.  Nitrous gases are mixed with ammonia and then precipitated in an electro-filter. 

8019-8023       German Patent Application R 649.  Purification of synthetic fatty acids.  December 22, 1942.  5 pages.  Extraction of fatty acids in the form of acid soaps prepared from them.

8024-8027       German Patent Application R 648.  Decomposition of mixtures consisting of fatty acids or fatty acid salts and neutral oils.  December 18, 1942.  4 pages.  Working up fatty acid mixtures by extraction at certain pH values.

8028-8032       German Patent Application R 645.  Valve for tanks, especially for catalyst material.  November 28, 1942.  5 pages.  Valves for catalyst containers with sliding rods which have an adequate distance from the walls.  Three diagrams attached.

8033-8034       German Patent Application R 643.  Aromatization and dehydrogenation of hydrocarbons.  November 17, 1942.  2 pages.  Alkalized chromium oxide-aluminum oxide catalysts contain an addition of manganese oxide.

8035-8038       German Patent Application R 642.  Aromatization or dehydrogenation of hydrocarbons.  November 14, 1942.  4 pages.  Chromium oxide-aluminum oxide catalysts with addition of alkali.

8039-8041       German Patent Application R 641.  Production  of pure magnesium oxide suitable for the production of catalysts.  November 11, 1942.  3 pages.  Purification of magnesium oxide to be used for catalysts by treatment with the mother liquor of the catalyst precipitation.

8042-8044       Activation of natural bleaching earths.  By Kalippke.  April 5, 1943. 3 pages.

8045-8047       Heterogeneous catalysis.  By Kalippke.  April 5, 1943.  3 pages.

8048-8070       Finely fractionating column with packing-bodies for laboratories.  By Heinrich Tramm.  May 1, 1942.  23 pages.  Five graphs and one diagram attached.

8071-8092       Hydrocarbon synthesis by the gas circulation process and oil circulation process.  Two reports dated January 10 and 16, 1939.  22 pages.

8093-8101       German Patent Application R 616.  Highly combustible fuels.  May 28, 1942.  9 pages.  Highly combustible fuels consisting of alkyl nitrates or hydrocarbon mixtures which contain larger quantities of alkyl nitrate.

8102-8110       German Patent Application R 613.  9 pages.  Nitration processes.  May 11, 1942.  Note concerning R 613 on Frame 8106.

8111-8114       German Patent Application R 606.  Improvement of the properties of gasoline. February 27, 1942.  4 pages.  Separation of knock-free gasoline fractions in a discontinuous two-stage distillation with a high recoil.

8115-8121       Fine distillation of gas.  By Heinrich Tramm.  Dated 30, 1942.  7 pages.  Two diagrams attached.

8122-8125       Acetylene addition during the carbon monoxide hydrogenation.  April 27, 1942.  4 pages.  (Report is also reproduced in series of reports appearing on T.O.M. Reel 289, Frames 1376-1402.)

8126                Note concerning paper waste baskets.  April 27, 1942.  1 page. 

8127-8156       Production of alkyl benzene from benzene and Ruhr-gas oil.  By Kolling.  March 20, 1942.  30 pages.  Two tables, one diagram and six graphs attached.

8157-8160       Structure of olefins and lubricating oil properties.  October 28, 1941.  4 pages.

8161-8171       Operation of a fuel plant at Rheinpreussen.  By Krueger.  January 16, 1941.  11 pages.  One table and one graph attached.

8172-8172A    Atmospheric corrosion of metals.  By Gubin.  June 26, 1944.  2 pages.

8173-8176       Corrosion of iron pipes in an electric synthesis oven with iron catalysts.  By Gubin.  March 31, 1942.  4 pages.

8177-8182       Materials for storing the catalyst for hydrocarbon aromatization.  By Rottig.  July 11, 1939.  6 pages.  Two tables attached.  (Report is also reproduced on T.O.M. Reel 289, Frames 1774-1779 and T.O.M. Reel 290, Frames 2080-2085.)

8183-8190      Corrosion of steel.  November 5, 1938.  8 pages.

8191-8201       Life of diluted cobalt catalysts of the Fischer-Tropsch hydrocarbon synthesis.  Report No. 6.  By W. Herbert (Lurgi G.m.b.H.).  April 26, 1939.  11 pages.

8202                Pressure synthesis of hydrocarbons.  Report No. 4.  By Herbert (Lurgi G.m.b.H.).   February 8, 1938.  1 page only, which is first page of multi-page report that is continued/completed on T.O.M. Reel 298, Frames 8203-8206.