Patents by Inventor Anatoli Onopchenko

Anatoli Onopchenko has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4474989
    Abstract: 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.
    Type: Grant
    Filed: July 1, 1982
    Date of Patent: October 2, 1984
    Assignee: Gulf Research & Development Company
    Inventors: Anatoli Onopchenko, Edward T. Sabourin, Charles M. Selwitz
  • Patent number: 4409399
    Abstract: 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.
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: October 11, 1983
    Assignee: Millmaster Onyx Group, Inc.
    Inventors: Harold E. Swift, Robert A. Innes, Anatoli Onopchenko
  • Patent number: 4404403
    Abstract: 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.
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: September 13, 1983
    Assignee: Millmaster Onyx Group, Inc.
    Inventors: Harold E. Swift, Robert A. Innes, Anatoli Onopchenko
  • Patent number: 4404404
    Abstract: 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.
    Type: Grant
    Filed: December 9, 1981
    Date of Patent: September 13, 1983
    Assignee: Millmaster Onyx Group, Inc.
    Inventors: Harold E. Swift, Robert A. Innes, Anatoli Onopchenko
  • Patent number: 4361704
    Abstract: A process for preparing m,m'-dinitrobenzophenone which comprises reacting benzophenone with nitric acid in oleum.
    Type: Grant
    Filed: March 11, 1981
    Date of Patent: November 30, 1982
    Assignee: Gulf Research & Development Company
    Inventors: Anatoli Onopchenko, Edward T. Sabourin, Charles M. Selwitz
  • Patent number: 4352942
    Abstract: 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.
    Type: Grant
    Filed: March 11, 1981
    Date of Patent: October 5, 1982
    Assignee: Gulf Research & Development Company
    Inventors: Anatoli Onopchenko, Edward T. Sabourin, Charles M. Selwitz
  • Patent number: 4263453
    Abstract: 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.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: April 21, 1981
    Assignee: Gulf Research & Development Company
    Inventors: Johann G. D. Schulz, Anatoli Onopchenko
  • Patent number: 4235787
    Abstract: A novel isomeric mixture of benzophenone pentacarboxylic acids and their anhydrides.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: November 25, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Johann G. D. Schulz, Anatoli Onopchenko
  • Patent number: 4234743
    Abstract: 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.
    Type: Grant
    Filed: May 17, 1979
    Date of Patent: November 18, 1980
    Assignee: GR & DC
    Inventors: Johann G. Schulz, Anatoli Onopchenko, Edward T. Sabourin
  • Patent number: 4228024
    Abstract: 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.
    Type: Grant
    Filed: October 25, 1978
    Date of Patent: October 14, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Johann G. D. Schulz, Anatoli Onopchenko, William A. Kofke
  • Patent number: 4228023
    Abstract: Novel insulating oil compositions comprising a major amount of an insulating oil and a minor amount of a diarylalkane.
    Type: Grant
    Filed: October 25, 1978
    Date of Patent: October 14, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Johann G. D. Schulz, Anatoli Onopchenko, William A. Kofke
  • Patent number: 4224232
    Abstract: A process for producing carboxylic acids from olefins having from 20 to 24 carbon atoms or mixtures of olefins having from 20 to 24 carbon atoms which involves adding said olefin or mixtures of said olefins without a solvent to carbon monoxide and sulfuric acid and thereafter adding water to the reaction product so formed.
    Type: Grant
    Filed: December 21, 1978
    Date of Patent: September 23, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Anatoli Onopchenko, Johann G. D. Schulz
  • Patent number: 4219679
    Abstract: Aromatic nitroacetylene compounds wherein both the nitro and acetylene groups are directly connected to aromatic ring carbon atoms are hydrogenated at high conversion levels to selectively reduce the nitro function using an unsupported cobalt polysulfide catalyst. Of particular interest is the preparation of aminophenylacetylenes from nitrophenylacetylene.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: August 26, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Anatoli Onopchenko, Edward T. Sabourin, Charles M. Selwitz
  • Patent number: 4216341
    Abstract: Nitroaromatic hydroxy substituted acetylene compounds wherein both the nitro and acetylene groups are directly connected to aromatic ring carbon atoms are hydrogenated in an inert solvent to selectively reduce the nitro function over a ruthenium disulfide catalyst. Of particular interest is the preparation of aminophenylacetylene from nitrophenyl hydroxy substituted acetylene.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: August 5, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Anatoli Onopchenko, Edward T. Sabourin, Charles M. Selwitz
  • Patent number: 4215226
    Abstract: Aromatic nitroacetylene compounds wherein both the nitro and acetylene groups are directly connected to aromatic ring carbon atoms are hydrogenated in dilute concentration in an inert solvent at high conversion levels to selectively reduce the nitro function using an unsupported ruthenium disulfide catalyst. Of particular interest is the preparation of an aminophenylacetylene from a nitrophenylacetylene.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: July 29, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Anatoli Onopchenko, Edward T. Sabourin, Charles M. Selwitz
  • Patent number: 4173573
    Abstract: A process for preparing 3,4,3',4'-benzophenonetetracarboxylic dianhydride which comprises condensing an impure ortho-xylene mixture with acetaldehyde in contact with an acid catalyst to obtain an impure 1,1-bis(3,4-dimethylphenyl)ethane mixture, oxidizing the 1,1-bis(3,4-dimethylphenyl)ethane mixture with nitric acid to obtain a mixture of carboxylic acids, from which by crystallization and dehydration substantially pure 3,4,3',4'-benzophenonetetracarboxylic dianhydride is recovered.
    Type: Grant
    Filed: July 3, 1978
    Date of Patent: November 6, 1979
    Assignee: Gulf Research and Development Company
    Inventors: Johann G. D. Schulz, Anatoli Onopchenko
  • Patent number: 4158739
    Abstract: A process for converting cyclopentane to glutaric acid which involves oxidizing cyclopentane with molecular oxygen in the presence of critical amounts of cobaltic ions in an aliphatic monobasic acid while maintaining critical temperature, pressure and contact time in the reaction zone.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: June 19, 1979
    Assignee: Gulf Research & Development Company
    Inventors: Johann G. D. Schulz, Anatoli Onopchenko
  • Patent number: 4157353
    Abstract: A process for recovering a dialkylarylketone from an oily mixture containing largely a 1,1-diaryl-2-nitroethylene as contaminant which comprises heating the oily mixture to a temperature of at least about 140.degree. C. and then recovering solid dialkylarylketone from a solvent solution of the 1,1-diaryl-2-nitroethylene.
    Type: Grant
    Filed: January 23, 1978
    Date of Patent: June 5, 1979
    Assignee: Gulf Research & Development Company
    Inventors: Anatoli Onopchenko, Johann G. Schulz
  • Patent number: 4153785
    Abstract: This invention relates to novel isometric polyamide resins.
    Type: Grant
    Filed: April 19, 1978
    Date of Patent: May 8, 1979
    Assignee: Gulf Research & Development Company
    Inventors: Johann G. D. Schulz, Anatoli Onopchenko, Edward T. Sabourin
  • Patent number: 4139561
    Abstract: Substituted acetylenes wherein the amino and acetylene groups are directly connected to aromatic ring carbon atoms and wherein the substituted acetylene has at least 3 carbon atoms and a hydroxyl group on the carbon atom adjacent to the acetylene group are claimed as new compositions of matter. The new compositions are prepared by the selective reduction of the corresponding nitroaromatic by contacting the nitroaromatic and free molecular hydrogen with a catalyst consisting essentially of ruthenium. A new process is also described for the preparation of an aminophenylacetylene.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: February 13, 1979
    Assignee: Gulf Research & Development Company
    Inventors: Anatoli Onopchenko, Edward T. Sabourin, Charles M. Selwitz