Gulf Research & Development Company

Millmaster Onyx Group, Inc.

Grdc, LLC

Anatoli Onopchenko

Johann G Schulz

Edward T Sabourin

Charles M Selwitz

Harold E Swift

Robert A Innes

Walter P Barie, Jr

John D Bacha

William A Kofke

Kiran R Bakshi

A process for the production of tetra- and trialkylsilanes which comprises reacting

Silahydrocarbons from alkylchlorosilanes

Tetraalkylsilane compounds are produced by contacting an admixture comprising

Tetraalkylsilane synthetic fluids

The silahydrocarbon product containing at least 75 weight percent of saturated silahydrocarbons with the remainder being unsaturated silahydrocarbons is produced by a process in which admixture comprising

Production of saturated and unsaturated silahydrocarbon mixtures using

A novel ether solution of dinitrobenzophenone and a process for preparing an ether solution of diaminobenzophenone therefrom which comprises subjecting a dinitrobenzophenone dissolved in said ether solvent to hydrogenation in contact with a continuous nickel catalyst to obtain said solution of diaminobenzophenone dissolved in said ether solvent. In a specific embodiment said nickel catalyst is mounted on an inert support. In a still further embodiment, said diaminobenzophenone dissolved in said ether solvent, after removal of water therefrom, is reacted with an aromatic dianhydride to obtain a polyamic acid solution. The polyamic acid solution can be heated at a temperature above 100.degree. C. to drive off water of cyclization and thereby obtain the corresponding polyimide resin.

Process for preparing an ether solution of polyamic acids and polyimide

A process for preparing dinitrobenzophenones which comprises reacting benzene with ethylene in the presence of an alkylation catalyst to obtain an alkylation product containing unreacted benzene, ethylbenzene, polyethylbenzenes, 1,1-diphenylethane and heavier products, separating benzene, ethylbenzene and polyethylbenzenes from said alkylation product, recovering from the remainder of said alkylation product a fraction whose boiling points fall within the temperature range of about 260.degree. to about 290.degree. C., reacting said fraction with nitric acid at a temperature within the range of about 130.degree. to about 210.degree. C., wherein the molar ratio of nitric acid to said fraction is in the range of about 3:1 to about 8:1, and thereafter reacting the total resulting reaction product with nitric acid in oleum to obtain a nitration product predominating in dinitrobenzophenones.

Process for preparing dinitrobenzophenones

A process for producing aliphatic amines which comprises reacting an aliphatic alcohol or an aliphatic aldehyde with an aminating agent selected from the group consisting of ammonia, a primary amine and a secondary amine in the liquid phase in the presence of an unsupported catalyst consisting essentially of (1) copper oxide or copper hydroxide (2) nickel oxide or nickel hydroxide, and, optionally, (3) an oxide or an hydroxide of a Group II A metal.

Process for producing aliphatic amines

A process for producing aliphatic amines which comprises reacting an aliphatic alcohol or an aliphatic aldehyde with an aminating agent selected from the group consisting of ammonia, a primary amine and a secondary amine in the liquid phase in the presence of an unsupported catalyst consisting essentially of (1) copper oxide or copper hydroxide and (2) a Group II A metal oxide or hydroxide. In a preferred embodiment the catalyst system also contains an organo nickel compound.

A process for producing aliphatic amines which comprises reacting an aliphatic alcohol or an aliphatic aldehyde with an aminating agent selected from the group consisting of ammonia, a primary amine and a secondary amine in the liquid phase in the presence of an unsupported catalyst consisting essentially of (1) copper oxide or copper hydroxide and (2) an organo nickel compound.

A process for preparing m,m'-dinitrobenzophenone which comprises reacting benzophenone with nitric acid in oleum.

Process for preparing m,m'-dinitrobenzophenone

A process for reducing the amount of ortho nitro aromatic keto compounds in a mixture containing the same which comprises contacting such mixture with oleum.

Purification process

A process for converting cyclohexane to adipic acid which involves oxidizing cyclohexane with molecular oxygen in the presence of critical amounts of cobaltic ions and selected amounts of added water in an aliphatic monobasic acid while maintaining critical temperature and pressure in the reaction zone.

Process for converting cyclohexane to adipic acid

A novel isomeric mixture of benzophenone pentacarboxylic acids and their anhydrides.

Benzophenone pentacarboxylic acids and their dianhydrides

3,3'-diamino-4,4'-benzophenonedicarboxylic acid, 4,4'-diamino-3,3'-benzophenonedicarboxylic acid and 3,4'-diamino-3',4-benzophenonedicarboxylic acid and process for preparing same.

Isomeric diaminobenzophenonedicarboxylic acids and method for preparing

Novel insulating oil compositions comprising a major amount of an insulating oil and a minor amount of a product obtained as a result of a process which comprises reacting benzene with ethylene in the presence of an alkylation catalyst to obtain a reaction mixture containing largely unreacted benzene, ethylbenzene, polyethylbenzenes, 1,1-diphenylethane and heavier material, separating at least benzene, ethylbenzene and polyethylbenzenes from said reaction mixture and thereafter recovering from said heavier material a fraction whose boiling points fall within a temperature range of about 255.degree. to about 420.degree. C. as said product.

Insulating oil compositions containing a fraction derived from the

Novel insulating oil compositions comprising a major amount of an insulating oil and a minor amount of a diarylalkane.

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Monroeville, PA, United States of America

Anatoli Onopchenko