Patents Assigned to Gulf Research and Development Company
  • Denitrogenation of shale oil
    Patent number: 4238320
    Abstract: A process for upgrading crude shale oil containing nitrogen which comprises contacting crude shale oil in a hydrogenation zone with hydrogen in the presence of a hydrogenation catalyst to remove a selected portion of the nitrogen and then contacting the resulting product with an ion exchange resin to obtain a shale oil of substantially lower nitrogen content.
    Type: Grant
    Filed: April 19, 1979
    Date of Patent: December 9, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Donald C. Cronauer, Roger F. Vogel, Richard A. Flinn
  • High fire point alkylaromatic insulating fluid
    Patent number: 4238343
    Abstract: A synthetic oil useful as an insulating fluid in electrical apparatus is prepared by reacting an aromatic compound with the oligomers of four to 12 carbon alpha-olefins containing predominantly at least about 30 carbon atoms up to about 60 carbon atoms. A synthetic insulating oil for electrical power transformers is prepared by reacting benzene in a 1:1 molar ratio with a tetramerpentamer mixture obtained by the oligomerization of 1-decene.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: December 9, 1980
    Assignee: Gulf Research & Development Company
    Inventor: John P. Pellegrini, Jr.
  • Decomposition of cumene hydroperoxide and recovery of boron trifluoride catalyst
    Patent number: 4238417
    Abstract: Cumene hydroperoxide is decomposed to phenol and acetone using boron trifluoride or a boron trifluoride complex as the decomposition catalyst. The boron trifluoride in the reaction product is reacted with a phosphorus-containing salt of an alkali metal such as sodium phosphate for recovery and reuse in the process.
    Type: Grant
    Filed: August 15, 1979
    Date of Patent: December 9, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Richard G. Austin, Wayne R. Pretzer, Thaddeus P. Kobylinski
  • Benzophenone pentacarboxylic acids and their dianhydrides
    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
  • Process for recovering phenols from a hydrocarbon mixture containing the same
    Patent number: 4236030
    Abstract: A process for recovering phenols from a hydrocarbon mixture containing the same which comprises extracting such mixture with an aqueous formaldehyde solution.
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: November 25, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Charles M. Selwitz, John G. McNulty
  • Drilling fluids containing novel compositions of matter
    Patent number: 4235728
    Abstract: A drilling fluid containing a new composition of matter resulting from the reaction of (1) substantially water-insoluble polycyclic, polycarboxylic acids obtained as a result of the oxidation of coal with (2) a base.
    Type: Grant
    Filed: March 29, 1979
    Date of Patent: November 25, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Johann G. D. Schulz, Jaroslav Zajac
  • Converting ethylene and propylene to the glycol using t.butyl hydroperoxide in a two-phase liquid reactant
    Patent number: 4229601
    Abstract: Ethylene or propylene is converted to the corresponding glycol at high selectivity in a process in which t.butyl hydroperoxide is reacted with the olefin in a two-phase liquid, organic-aqueous reaction system in the presence of osmium tetroxide and cesium, rubidium or potassium hydroxide.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: October 21, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Ching-Yong Wu, Thaddeus P. Kobylinski
  • Alumina-aluminum phosphate-silica-zeolite catalyst
    Patent number: 4228036
    Abstract: A catalyst for cracking gasoline feedstock with greater selectivity to gasoline production and greater metals tolerance comprising an alumina-aluminum phosphate-silica matrix composited with a zeolite having cracking activity.
    Type: Grant
    Filed: June 18, 1979
    Date of Patent: October 14, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Harold E. Swift, John J. Stanulonis, Elizabeth H. Reynolds
  • Insulating oil compositions containing a fraction derived from the alkylation product of benzene with ethylene
    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
  • Paraffinic insulating oils containing a diarylalkane
    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
  • Production of carboxylic acids from olefins and mixtures of olefins
    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
  • Process for the preparation of bromoarylacetylene and aryldiacetylene precursors
    Patent number: 4223172
    Abstract: Bromoarylacetylenes such as m-bromophenylacetylene and certain precursors to such bromoarylacetylene are prepared by reacting an aryldibromide with a substituted terminal acetylene compound containing at least three carbon atoms and a hydroxy group on the carbon atom adjacent to the acetylene group in the presence of a dialkyl or trialkyl amine solvent and a catalyst system consisting of a palladium complex containing two halogen moieties and two tri-substituted phosphine moieties. Additional triphenylphosphine can be added. A cuprous iodide promoter is also employed in the reaction sequence. The bromoarylacetylenes can be reacted with a substituted terminal acetylene compound as defined using the same catalyst system as defined to produce the corresponding aryldihydroxy substituted acetylenes. Certain bromophenylhydroxy substituted acetylenes are claimed as new compositions.
    Type: Grant
    Filed: December 7, 1978
    Date of Patent: September 16, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Edward T. Sabourin, Charles M. Selwitz
  • Process for preparing a substituted diphenoxybenzene
    Patent number: 4222962
    Abstract: A diaminophenoxy or a dinitrophenoxybenzene is prepared in good yield from dibromobenzene and an alkali metal salt of meta-aminophenol or meta-nitrophenol under Ullmann ether synthesis conditions at low temperatures of 115.degree. C. to 150.degree. C.
    Type: Grant
    Filed: December 11, 1978
    Date of Patent: September 16, 1980
    Assignee: Gulf Research & Development Company
    Inventor: John P. Pellegrini, Jr.
  • Magnesia-alumina-aluminum phosphate-zeolite catalyst
    Patent number: 4222896
    Abstract: A catalyst for cracking gasoline feedstock with superior selectivity to gasoline production and greater metals tolerance comprising a magnesia-alumina-aluminum phosphate matrix composited with a zeolite having cracking activity.
    Type: Grant
    Filed: July 16, 1979
    Date of Patent: September 16, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Harold E. Swift, John J. Stanulonis, Elizabeth H. Reynolds
  • Ammoxidation catalyst
    Patent number: 4222899
    Abstract: Novel ammoxidation catalysts, particularly suitable in preparing acrylonitrile, containing critical amounts of (1) uranium, (2) antimony, (3) an element from Group IV B of the Periodic Table and (4) molybdenum and/or vanadium.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: September 16, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Robert A. Innes, William L. Kehl
  • Process for retorting oil shale
    Patent number: 4222850
    Abstract: This invention relates to a process for retorting raw shale comprising the following steps:(1) passing raw shale downwardly through the upper zone of a two-zoned vertical retort;(2) introducing a gas comprising molecular oxygen and flue gas at a temperature of about 590.degree. to about 760.degree. C., and ambient pressure into said upper zone and passing the same upwardly through said upper zone in contact with said raw shale;(3) recovering from an upper part of said upper zone a product comprising shale oil and retort gas;(4) passing the treated shale from a lower part of said upper zone downwardly through the lower zone of said two-zoned retort;(5) introducing molecular oxygen at a temperature of about 25.degree. to about 100.degree. C. and flue gas at a temperature of about 25.degree. to about 200.degree. C.
    Type: Grant
    Filed: February 15, 1979
    Date of Patent: September 16, 1980
    Assignee: Gulf Research & Development Company
    Inventor: Charles W. Matthews
  • Selective hydrogenation of nitro groups on nitroaromatic acetylenes using an unsupported cobalt polysulfide catalyst
    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
  • Extreme pressure lubricating compositions
    Patent number: 4218331
    Abstract: A sperm oil substitute, having extreme pressure and anti-wear properties consisting of a lubrication composition comprising a major amount of a lubrication oil and a minor amount of an extreme pressure and anti-wear additive, comprising (I) a diester of the condensation product of (A) a dicarboxylic acid or a dicarboxylic acid anhydride, and (B) a linear unsaturated alcohol; and optionally, in combination with, (II) a linear unsaturated alcohol, wherein from about 6 weight percent to about 20 weight percent of said combined diester and linear alcohol comprising the sulfide moiety.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: August 19, 1980
    Assignee: Gulf Research & Development Company
    Inventors: John D. Bacha, Robert W. Hill
  • Method of oxidizing osmium (III) and osmium (IV) to a higher valency state
    Patent number: 4217291
    Abstract: Osmium (III) or (IV) in an anionic complex with oxygen and having an alkali metal, ammonium or tetra(lower)alkylammonium cation is oxidized to a valency state higher than 5 by reaction with an organic hydroperoxide, such as ethylbenzene hydroperoxide, at a temperature less than 30.degree. C.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: August 12, 1980
    Assignee: Gulf Research & Development Company
    Inventors: Ching-Yong Wu, Thaddeus P. Kobylinski
  • Process for selective recovery of relatively metals-free bitumen from tar sand using a halogenated aliphatic solvent in combination with a second solvent
    Patent number: 4217202
    Abstract: A process for the selective recovery of tar sand bitumen from tar sands using a two-solvent system comprising a halogenated aliphatic solvent in combination with a second solvent selected from an oxygenated compound. The process provides for an inexpensive method for selectively removing substantially metal-free tar sand bitumen from tar sands. The bitumen so recovered renders the same amenable to catalytic desulfurization and upgrading processes.
    Type: Grant
    Filed: November 8, 1978
    Date of Patent: August 12, 1980
    Assignee: Gulf Research & Development Company
    Inventors: John A. Paraskos, Edward W. Smith