Patents Represented by Attorney Walter D. Hunter
  • Patent number: 4396519
    Abstract: Alkyl-substituted bicycloalkyl ether compositions useful in the preparation of synthetic lubricant compositions are obtained by reacting an alkyl-substituted 2-norbornene with a monohydric alcohol in the presence of an acidic catalyst.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: August 2, 1983
    Assignee: Texaco Inc.
    Inventor: Edward C. Y. Nieh
  • Patent number: 4390734
    Abstract: Propylene glycol monoalkyl ethers are prepared in good yield by reacting acetaldehyde and an alkanol (or by reacting an acetal) with carbon monoxide and hydrogen in the presence of a catalyst comprising a cobalt-containing compound and a cocatalyst comprising a member of the group consisting of rhodium-containing compounds, ruthenium-containing compounds and nickel-containing compounds, and heating the resulting mixture at moderate temperatures and pressures for sufficient time to produce the desired glycol monoalkyl ether, and then recovering the same from the reaction mixture.
    Type: Grant
    Filed: January 13, 1982
    Date of Patent: June 28, 1983
    Assignee: Texaco Inc.
    Inventor: John F. Knifton
  • Patent number: 4374285
    Abstract: Ethanol is prepared by contacting methanol, hydrogen and carbon monoxide with a catalyst system comprising a ruthenium compound, a quaternary phosphonium or ammonium base or salt and a cobalt compound such as cobalt iodide.
    Type: Grant
    Filed: January 8, 1981
    Date of Patent: February 15, 1983
    Assignee: Texaco Inc.
    Inventors: Jiang-Jen Lin, John F. Knifton
  • Patent number: 4371444
    Abstract: Hydrocarbons are recovered from a subterranean hydrocarbon-bearing formation penetrated by an injection well and a production well by displacing hydrocarbons toward the production well using a drive fluid such as water containing dissolved therein:(a) a small amount of a nonionic surfactant of the formula RO(CH.sub.2 CH.sub.2 O).sub.m (CH.sub.2 CH(OH)CH.sub.2 O).sub.n H where R is alkyl or alkylaryl, m is an integer of from 1 to about 20 and n is an integer of from 1 to about 8, and(b) a small amount of an anionic sulfonate and/or sulfate surfactant. Optionally the drive fluid may be saturated with natural gas and/or carbon dioxide at the injection pressure. A polymeric thickening agent also may be included in the drive fluid, if desired.
    Type: Grant
    Filed: May 8, 1981
    Date of Patent: February 1, 1983
    Assignee: Texaco Inc.
    Inventors: David R. McCoy, Carter G. Naylor
  • Patent number: 4371724
    Abstract: Ethanol is prepared by contacting methanol, hydrogen and carbon monoxide with a catalyst system comprising a ruthenium compound, a quaternary phosphonium or ammonium base or salt and a cobalt compound such as cobalt iodide in the presence of a non-polar, substantially inert, oxygenated hydrocarbon solvent.
    Type: Grant
    Filed: January 8, 1981
    Date of Patent: February 1, 1983
    Assignee: Texaco Inc.
    Inventors: Jiang-Jen Lin, John F. Knifton
  • Patent number: 4366259
    Abstract: This invention concerns a process of making acetic acid and propionic acid and their esters which comprises contacting a mixture of CO and H.sub.2 with a catalyst system comprising a ruthenium-containing compound and a cobalt halide dispersed in a low melting quaternary phosphonium or ammonium base or salt at a temperature of at least about 150.degree. C. and at a pressure of about 500 psig or greater.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: December 28, 1982
    Assignee: Texaco, Inc.
    Inventors: John F. Knifton, Jiang-Jen Lin
  • Patent number: 4365096
    Abstract: Alkyl-substituted bicycloalkyl ether compositions useful in the preparation of synthetic lubricant compositions are obtained by reacting an alkyl-substituted 2-norbornene with a monohydric alcohol in the presence of an acidic catalyst.
    Type: Grant
    Filed: June 25, 1981
    Date of Patent: December 21, 1982
    Assignee: Texaco Inc.
    Inventor: Edward C. Y. Nieh
  • Patent number: 4362822
    Abstract: This invention concerns a process for making acetic and propionic acids and their esters which comprises contacting a mixture of CO and H.sub.2 at a pressure of about 500 psig or greater and at a temperature of at least about 150.degree. C. with a catalyst system comprising a ruthenium-containing compound and a halogen-containing titanium or zirconium salt dispersed in a low melting quaternary phosphonium or ammonium base or salt.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: December 7, 1982
    Assignee: Texaco Inc.
    Inventor: John F. Knifton
  • Patent number: 4362821
    Abstract: This invention concerns a process of making alkanols and particularly methanol which comprises reacting a mixture of CO and H.sub.2 at a pressure of about 500 psig or greater and at a temperature of at least 150.degree. C. in the presence of a catalyst system comprising a ruthenium-containing compound and a rhenium- or manganese-containing compound and a quaternary phosphonium or ammonium base or salt and in the presence of an inert, oxygenated solvent.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: December 7, 1982
    Assignee: Texaco Inc.
    Inventor: Jiang-Jen Lin
  • Patent number: 4357477
    Abstract: This invention pertains to the production of ethylene glycol monoalkyl ethers by reaction of carbon monoxide and hydrogen with (a) formaldehyde and an alcohol or (b) an acetal in the presence of a catalyst comprising a cobalt-containing compound and a tin or germanium promoter.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: November 2, 1982
    Assignee: Texaco Inc.
    Inventor: John F. Knifton
  • Patent number: 4356332
    Abstract: This invention pertains to the production of ethylene glycol by reaction of formaldehyde with carbon monoxide and hydrogen in the presence of a catalyst comprising a cobalt-containing compound and a tin-or germanium-containing promoter and in the presence of substantially inert, oxygenated hydrocarbon solvent.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: October 26, 1982
    Assignee: Texaco Inc.
    Inventor: John F. Knifton
  • Patent number: 4356327
    Abstract: Propylene glycol monoalkyl ethers and alkoxyacetones are formed by contacting a mixture of carbon monoxide and hydrogen and (a) acetaldehyde or (b) an acetal and an alcohol, with a catalyst comprising a cobalt-containing compound and at least one tin- or germanium-containing promoter.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: October 26, 1982
    Assignee: Texaco Inc.
    Inventor: John F. Knifton
  • Patent number: 4351907
    Abstract: A process for preparing ethylene glycol wherein a mixture of carbon monoxide and hydrogen is contacted at an elevated temperature and pressure and in the presence of a solvent with a ruthenium compound and a promoter, such as pyrocatechol. In another aspect this invention relates to the preparation of ethylene glycol ethers from carbon monoxide and hydrogen.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: September 28, 1982
    Assignee: Texaco Inc.
    Inventor: John F. Knifton
  • Patent number: 4343712
    Abstract: Hydrocarbons are recovered from a subterranean hydrocarbon-bearing formation penetrated by an injection well and a production well by displacing hydrocarbons toward the production well using a drive fluid such as water thickened with a copolymer of acrylamide and vinyl sulfonic acid or salts thereof or with a copolymer of acrylamide and styrene sulfonic acid or salts thereof as well as these same copolymers alkoxylated with an alkylene oxide. Optionally, the drive fluid can be saturated with carbon dioxide, nitrogen, natural gas or mixtures of these gases.
    Type: Grant
    Filed: February 11, 1981
    Date of Patent: August 10, 1982
    Assignee: Texaco Development Corp.
    Inventor: Walter D. Hunter
  • Patent number: 4341647
    Abstract: Hydrocarbons are recovered from a subterranean hydrocarbon-bearing formation penetrated by an injection well and a production well by displacing hydrocarbons toward the production well using a drive fluid such as water thickened with a copolymer of acrylamide and vinyl sulfonic acid or salts thereof and saturated with carbon dioxide and/or natural gas at the injection pressure. If desired, the drive fluid may contain a small amount of a sulfated or sulfonated, ethoxylated acrylic acid polymer.
    Type: Grant
    Filed: February 5, 1981
    Date of Patent: July 27, 1982
    Assignee: Texaco Development Corp.
    Inventor: Walter D. Hunter
  • Patent number: 4339545
    Abstract: This invention concerns a process for making alkanols which comprises contacting a mixture of CO and H.sub.2 at a pressure of 500 psig or greater and at a temperature of at least 150.degree. C. with a catalyst system comprising a ruthenium-containing compound and a halogen-free titanium or zirconium-containing compound dispersed in a low melting quaternary phosphonium or ammonium base or salt.
    Type: Grant
    Filed: June 26, 1981
    Date of Patent: July 13, 1982
    Assignee: Texaco Inc.
    Inventor: John F. Knifton
  • Patent number: 4338203
    Abstract: Hydrocarbons are recovered from a subterranean hydrocarbon-bearing formation penetrated by an injection well and a production well by displacing hydrocarbons toward the production well using a drive fluid such as water thickened with a copolymer of acrylamide and vinyl sulfonic acid or salts thereof and saturated with carbon dioxide and/or natural gas at the injection pressure. If desired, the drive fluid may contain a small amount of a sulfated or sulfonated, ethoxylated acrylic acid polymer.
    Type: Grant
    Filed: February 5, 1981
    Date of Patent: July 6, 1982
    Assignee: Texaco Development Corp.
    Inventor: Walter D. Hunter
  • Patent number: 4334094
    Abstract: This invention pertains to the production of higher homologues of aliphatic carboxylic acids by reaction of said acids with carbon monoxide and hydrogen in the presence of one or more palladium-containing catalysts in combination with a Group VB tertiary donor ligand and in the presence of an iodide or bromide promoter.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: June 8, 1982
    Assignee: Texaco Inc.
    Inventor: John F. Knifton
  • Patent number: 4334093
    Abstract: This invention pertains to the production of higher homologues of aliphatic carboxylic acids by reaction of said acids with carbon monoxide and hydrogen in the presence of one or more nickel-containing catalysts in combination with a Group VB tertiary donor ligand and in the presence of an iodide or bromide promoter.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: June 8, 1982
    Assignee: Texaco, Inc.
    Inventor: John F. Knifton
  • Patent number: 4334092
    Abstract: This invention pertains to the production of higher homologues of aliphatic carboxylic acids by reaction of said acids with carbon monoxide and hydrogen in the presence of one or more rhodium-containing catalysts and an iodide or bromide promoter.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: June 8, 1982
    Assignee: Texaco Inc.
    Inventor: John F. Knifton