Patents by Inventor Robert M. Gipson

Robert M. Gipson 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: 5358629
    Abstract: A waste molybdenum-containing stream recovered from the work-up of a reaction mixture wherein propylene has reacted with t-butyl hydroperoxide to form propylene oxide (in the presence of a complex of ethylene glycol and a molybdenum compound) is passed as an oil-miscible/soluble molybdenum-containing catalyst to a reaction wherein heavy hydrocarbon is hydroconverted to lower boiling products in the presence of heterogeneous catalyst.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: October 25, 1994
    Assignee: Texaco Inc.
    Inventors: George R. Tamalis, David D. Chess, Mahendra S. Patel, Ajit K. Bhattacharya, Robert M. Gipson
  • Patent number: 4742179
    Abstract: Motor-fuel grade tertiary butyl alcohol contaminated with residual amounts of tertiary butyl hydroperoxide and ditertiary butyl peroxide (which is prepared, for example, by reacting propylene with tertiary butyl hydroperoxide to form propylene oxide and a motor fuel grade tertiary butyl alcohol reaction product) can be effectively catalytically treated under mild conversion conditions including a temperature of about 80.degree. to 180.degree. C. with a base-treated hydrogenation catalyst from groups VIB or VIIIB of the Periodic Table in order to substantially selectively convert the two peroxide contaminants to tertiary butyl alcohol and to thereby provide a treated tertiary butyl alcohol product substantially free from contaminating quantities of such peroxides.
    Type: Grant
    Filed: November 3, 1986
    Date of Patent: May 3, 1988
    Assignee: Texaco Inc.
    Inventors: John R. Sanderson, Robert M. Gipson, Kenneth P. Keating, Edward T. Marquis
  • Patent number: 4488982
    Abstract: Improved surfactants and functional fluids are prepared by reacting a monofunctional initiator with an alkylene carbonate or with an alkylene oxide and carbon dioxide to form polyether polycarbonate materials. As surfactants, the resulting materials exhibit reduced foaming characteristics as compared to other nonionic surfactants. The viscosity-temperature relationships, flash points and pour points make them useful as functional fluids.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: December 18, 1984
    Assignee: Texaco Development Corp.
    Inventors: Michael Cuscurida, Robert M. Gipson
  • Patent number: 4483997
    Abstract: A method for the preparation of an epoxide by reacting an olefin having 3 or more carbon atoms with a hydroperoxide in the presence of a catalyst. The catalyst includes molybdenum and/or tungsten and an inorganic metal phosphate and/or arsenate wherein at least the inorganic metal phosphate and/or arsenate is substantially insoluble in the olefin hydroperoxide reaction mixture. The metal portion of the inorganic metal phosphate and/or arsenate is one or more metals selected from the group consisting of the metals found in Groups I to III, VIIb and VIII, of the Periodic Table of Elements. Preferred metals include aluminum, iron, zinc and mixtures of these metals.
    Type: Grant
    Filed: January 31, 1983
    Date of Patent: November 20, 1984
    Assignee: Texaco Inc.
    Inventors: Edward E. McEntire, Robert M. Gipson
  • Patent number: 4457371
    Abstract: A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are polymers of specific quaternary ammonium monomers or co-polymers of these quaternary ammonium monomers wth other types of monomers wherein the greater portion of the co-polymer is comprised of the quaternary ammonium monomers. To resolve the bituminous petroleum emulsions, the process is carried out between 25.degree. and 160.degree. C. wherein the demulsifier of the invention is contacted with the bituminous emulsion.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: July 3, 1984
    Assignee: Texaco Inc.
    Inventors: David R. McCoy, Edward E. McEntire, Robert M. Gipson
  • Patent number: 4448697
    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 an aqueous drive fluid such as water or brine containing dissolved therein:(a) a small amount of a nonionic surfactant formed by reacting an alcohol having not more than 6 carbon atoms or phenol first with butylene oxide and then with ethylene oxide and(b) a small amount of an anionic sulfate or sulfonate surfactant. Optionally the drive fluid may be saturated with natural gas, nitrogen 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: January 22, 1982
    Date of Patent: May 15, 1984
    Assignee: Texaco Inc.
    Inventors: David R. McCoy, Robert M. Gipson
  • Patent number: 4442043
    Abstract: A dicyclopentadiene derived ethoxysulfonate alone or combined with a petroleum sulfonate surfactant is dissolved in water to form an effective surfactant fluid that is stable in high salinity and/or high temperature environments. The surfactant fluid is injected into an underground petroleum-containing reservoir in an enhanced oil recovery process.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: April 10, 1984
    Assignee: Texaco Inc.
    Inventors: David R. McCoy, Robert M. Gipson, Carter G. Naylor
  • Patent number: 4426302
    Abstract: A dicyclopentadiene derived ethoxysulfonate alone or combined with a petroleum sulfonate surfactant is dissolved in water to form an effective surfactant fluid that is stable in high salinity and/or high temperature environments. The surfactant fluid is injected into an underground petroleum-containing reservoir in an enhanced oil recovery process.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: January 17, 1984
    Assignee: Texaco Inc.
    Inventors: David R. McCoy, Robert M. Gipson, Carter G. Naylor
  • Patent number: 4405015
    Abstract: A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are salts of polymers and/or co-polymers of specific cationic monomers. To resolve the bituminous petroleum emulsions, the process is carried out between 25.degree. and 160.degree. C. wherein the demulsifier of the invention is contacted with the bituminous emulsion.
    Type: Grant
    Filed: December 2, 1981
    Date of Patent: September 20, 1983
    Assignee: Texaco Inc.
    Inventors: David R. McCoy, Edward E. McEntire, Robert M. Gipson
  • Patent number: 4371704
    Abstract: Alkyl substituted ethylene carbonates are converted to substituted ethylene oxides by heating the respective carbonates in the presence of a catalyst which is selected from the group of alkali metal halides consisting of lithium fluoride, sodium fluoride, potassium fluoride, sodium chloride and potassium chloride. The alkyl substituted ethylene carbonates have the general formula ##STR1## where R is alkyl, aryl, substituted alkyl, substituted aryl, alkaryl or aralkyl.
    Type: Grant
    Filed: November 13, 1979
    Date of Patent: February 1, 1983
    Assignee: Texaco Development Corporation
    Inventors: Edward E. McEntire, Robert M. Gipson
  • Patent number: 4321148
    Abstract: A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are hydrophilic polyurethanes wherein the ethylene oxide content of the polyol portion of the polyurethane is greater than about 70% by weight. To resolve the bituminous petroleum emulsions, the process is carried out between 25.degree. and 120.degree. C. wherein the demulsifier of the invention is contacted with the bituminous emulsion.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: March 23, 1982
    Assignees: Texaco Inc., Texaco Canada, Inc.
    Inventors: David R. McCoy, Robert M. Gipson, Kitchener B. Young, Colin L. LaBerge
  • Patent number: 4321146
    Abstract: A process for recovering bitumen from oil-in-water (O/W) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are polyols of 2 and greater functionality containing predominantly mixed ethylene oxide and propylene oxide wherein the ethylene oxide content of the polyol (by weight) is greater than about 70% but less than about 95%. The molecular weight of these polyols is greater than about 10,000. To resolve the bituminous petroleum emulsions, the process is carried out between 25.degree. and 120.degree. C. wherein the demulsifier of the invention is contacted with the bituminous emulsion.
    Type: Grant
    Filed: May 22, 1980
    Date of Patent: March 23, 1982
    Assignees: Texaco Inc., Texaco Canada, Inc.
    Inventors: David R. McCoy, Robert M. Gipson, Kitchener B. Young
  • Patent number: 4287364
    Abstract: Covers a method of preparing diaminodiphenylmethanes and higher homologues thereof which comprises the step of condensing aniline and formaldehyde in the presence of a molybdenum aluminide catalyst.
    Type: Grant
    Filed: September 24, 1980
    Date of Patent: September 1, 1981
    Assignee: Texaco Inc.
    Inventors: Edward T. Marquis, Robert M. Gipson, Lewis W. Watts, Jr.
  • Patent number: 4284815
    Abstract: Covers a method of preparing diaminodiphenylmethanes and higher homologues thereof which comprises the step of condensing aniline and formaldehyde in the presence of a tungsten boride or sulfide catalyst.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: August 18, 1981
    Assignee: Texaco Inc.
    Inventors: Edward T. Marquis, Lewis W. Watts, Jr., Robert M. Gipson
  • Patent number: 4265821
    Abstract: Alkyl substituted ethylene carbonates are converted to substituted ethylene oxides by heating the respective carbonates in the presence of a catalyst comprising alkali metal halides or lanthanum iodide. The alkyl substituted ethylene carbonates have the general formula ##STR1## where R is alkyl, aryl, substituted alkyl, substituted aryl, alkaryl or aralkyl.
    Type: Grant
    Filed: November 7, 1979
    Date of Patent: May 5, 1981
    Assignee: Texaco Dev. Corp.
    Inventors: Edward E. McEntire, Robert M. Gipson
  • Patent number: 4215061
    Abstract: A novel catalyst material of a boron containing substance for catalyzing the liquid phase oxidation of an olefin with an organic hydroperoxide to the corresponding oxirane is disclosed. The novel catalyst materials are characterized as binary or ternary boride compounds having the general formula M.sub.x B.sub.y or M.sub.x B.sub.y R.sub.z wherein x is an integer from 1-5; y is an integer from 1-2; z is an integer from 1-4; B is boron; M is an element selected from the groups II-A, III-B, IV-B, V-B, VI-B, VII-B, VIII, III-A, IV-A, and V-A of the Periodic Table, the rare earths, and the actinides; and R is an element different from M selected from the same group of elements in the Periodic Table as M. The preferred catalyst materials are those boron containing substances which are substantially insoluble in the reaction mixture containing the organic hydroperoxides, olefins and products.
    Type: Grant
    Filed: July 9, 1976
    Date of Patent: July 29, 1980
    Assignee: Texaco Development Corporation
    Inventor: Robert M. Gipson
  • Patent number: 4215059
    Abstract: A novel catalyst material of a boron containing substance for catalyzing the liquid phase oxidation of an olefin with an organic hydroperoxide to the corresponding oxirane is disclosed. The novel catalyst materials are characterized as binary or ternary boride compounds having the general formula M.sub.x B.sub.y or M.sub.x B.sub.y R.sub.2 wherein x is an integer from 1-5; y is an integer from 1-2; z is an integer from 1-4; B is boron; M is an element selected from the groups II-A, III-B, IV-B, V-B, VI-B, VII-B, VIII, III-A, IV-A, and V-A of the Periodic Table, the rare earths, and the actinides; and R is an element different from M selected from the same group of elements in the Periodic Table as M. The preferred catalyst materials are those boron containing substances which are substantially insoluble in the reaction mixture containing the organic hydroperoxides, olefins and products.
    Type: Grant
    Filed: June 25, 1976
    Date of Patent: July 29, 1980
    Assignee: Texaco Development Corporation
    Inventor: Robert M. Gipson
  • Patent number: 4215060
    Abstract: A novel catalyst material of a boron containing substance for catalyzing the liquid phase oxidation of an olefin with an organic hydroperoxide to the corresponding oxirane is disclosed. The novel catalyst materials are characterized as binary or ternary boride compounds having the general formula M.sub.x B.sub.y or M.sub.x B.sub.y R.sub.z wherein x is an integer from 1-5; y is an integer from 1-2; z is an integer from 1-4; B is boron; M is an element selected from the groups II-A, III-B, IV-B, V-B, VI-B, VII-B, VIII, III-A, IV-A, and V-A of the Periodic Table, the rare earths, and the actinides; and R is an element different from M selected from the same group of elements in the Periodic Table as M. The preferred catalyst materials are those boron containing substances which are substantially insoluble in the reaction mixture containing the organic hydroperoxides, olefins and products.
    Type: Grant
    Filed: July 9, 1976
    Date of Patent: July 29, 1980
    Assignee: Texaco Development Corporation
    Inventor: Robert M. Gipson
  • Patent number: 4212820
    Abstract: Covers a new composition of matter comprising an acrylamide or methacrylamide monomer characterized by the following structural formula: ##STR1## where R.sub.1 is hydrogen or methyl, R.sub.2 and R.sub.3 are lower alkyl, R.sub.4 is a linear or branched alkyl group containing 7-20 carbon atoms, X is an anion of an organic or mineral acid having a valence m and A is a divalent lower alkyl group.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: July 15, 1980
    Assignee: Texaco Development Corporation
    Inventors: Philip Hotchkiss, Robert M. Gipson, Edward C. Y. Nieh
  • Patent number: 4203910
    Abstract: A novel catalyst material of a boron containing substance for catalyzing the liquid phase oxidation of an olefin with an organic hydroperoxide to the corresponding oxirane is disclosed. The novel catalyst materials are characterized as binary or ternary boride compounds having the general formula M.sub.x B.sub.y or M.sub.x B.sub.y R.sub.z wherein x is an integer from 1-5; y is an integer from 1-2; z is an integer from 1-4; B is boron; M is an element selected from the groups II-A, III-B, IV-B, V-B, VI-B, VII-B, VIII, III-A, IV-A, and V-A of the Periodic Table, the rare earths, and the actinides; and R is an element different from M selected from the same group of elements in the Periodic Table as M. The preferred catalyst materials are those boron containing substances which are substantially insoluble in the reaction mixture containing the organic hydroperoxides, olefins and products.
    Type: Grant
    Filed: February 7, 1979
    Date of Patent: May 20, 1980
    Assignee: Texaco Development Corp.
    Inventor: Robert M. Gipson