Patents Represented by Attorney Lyell H. Carver
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Patent number: 4716212Abstract: A process, and product produced therefrom, for preparing a high molecular weight poly(arylene sulfide ketone) from the reaction product of an alkali metal bisulfide with an alkali metal hydroxide, employing molar excess of alkali metal bisulfide with respect to the alkali metal hydroxide. A process, and product produced therefrom, for preparing a high molecular weight poly(arylene sulfide ketone) employing an alkali metal sulfide and an alkali metal hydrosulfide, wherein the alkali metal sulfide is added in a molar excess with respect to the alkali metal hydrosulfide.Type: GrantFiled: September 5, 1986Date of Patent: December 29, 1987Assignee: Phillips Petroleum CompanyInventor: Roger G. Gaughan
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Patent number: 4707449Abstract: Mutant Pichia pastoris yeasts which produce relatively high levels of tryptophan. These high tryptophan capability Pichia pastoris mutants, grown on such as methanol or glucose, produce improved amino acid balance single-cell protein product reducing the need to supplement single-cell protein with tryptophan when used as food supplements.Type: GrantFiled: July 19, 1984Date of Patent: November 17, 1987Assignee: Phillips Petroleum CompanyInventor: Lucas K. Shay
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Patent number: 4703088Abstract: Polyamide and polyacrylamide are useful as mold corrosion inhibitors when incorporated into a poly(arylene sulfide).Type: GrantFiled: December 18, 1981Date of Patent: October 27, 1987Assignee: Phillips Petroleum CompanyInventors: Dale O. Tieszen, James S. Dix
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Patent number: 4601986Abstract: A nucleic acid-reduced substantially allergen-free single cell protein product is obtained by culturing a yeast, fungi or bacterium on an ultra-low sulfate medium, treating the produced cells with a base at a pH of about 9.5 with moderate heat, thereafter treating the base-treated cells with acid to a pH of about 4 with moderate heat, and treating the base-treated acid-treated cells with a relatively high temperature short time heat shock, followed by extrusion. Optionally, the extruded product is annealed.Type: GrantFiled: July 29, 1983Date of Patent: July 22, 1986Assignee: Phillips Petroleum CompanyInventors: Eugene H. Wegner, Lucas K. Shay
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Patent number: 4596778Abstract: Single cell protein is produced in an aqueous fermentation process employing an oxidizable sulfur energy source plus a carbon dioxide source, such as hydrogen sulfide and carbon dioxide, in a controlled oxygen aqueous environment. The process also can employ carbon dioxide containing off-gases from a conventional aqueous fermentation process employing a conventional oxidizable carbon energy source, such as methanol.Type: GrantFiled: July 6, 1983Date of Patent: June 24, 1986Assignee: Phillips Petroleum CompanyInventor: Donald O. Hitzman
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Patent number: 4588478Abstract: An apparatus for a process for solar retorting of oil shale which comprises pyrolyzing fluidized ground oil shale particles by solar radiation in a retort, wherein said ground oil shale particles are provided in a state of continuous fluidization entrained in a gas and exposed to solar radiation focused through a transparent window, and retorted shale oil fines, gases, and shale oil are removed from the retort to separation and recovery.Type: GrantFiled: September 15, 1983Date of Patent: May 13, 1986Assignee: Phillips Petroleum CompanyInventor: F. Morgan Warzel
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Patent number: 4569393Abstract: A water permeability contrast correction process to improve the sweep efficiency of waterflooding which involves the sequential injection of (1) an optional aqueous preflush slug to adjust connate water salinity, (2) an aqueous thickened slug comprising a sequestered polyvalent metal cation such as aluminum citrate and a gelable polymeric viscosifier such as polyacrylamide, (3) carbon dioxide to decrease the pH of the polymer slug which triggers the delayed in-situ gelation of said thickened slug to preferentially decrease water permeability in highly permeable thief zones, and (4) an aqueous drive fluid.Type: GrantFiled: February 9, 1984Date of Patent: February 11, 1986Assignee: Phillips Petroleum CompanyInventors: Donald D. Bruning, Donald R. Wier
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Patent number: 4564523Abstract: A comestible whipped protein product produced by treating yeast cells for nucleic acid reduction followed by treating the nucleic acid-reduced cells with a relatively high temperature short-time heat-shock, and whipping.Type: GrantFiled: March 18, 1985Date of Patent: January 14, 1986Assignee: Phillips Petroleum CompanyInventor: Lucas K. Shay
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Patent number: 4552217Abstract: A water permeability correction process, and composition therefor, to improve the sweep efficiency of waterflooding which involves the sequential injection of (1) an optical aqueous preflush slug to adjust connate water salinity, (2) an aqueous sequestered polyvalent metal cation, such as chromium, wherein the sequestering anion is bactericidal, such as propionate, (3) a gelable polymeric viscosifier, such as polyacrylamide, and, preferably, (4) an aqueous drive fluid.Type: GrantFiled: July 9, 1984Date of Patent: November 12, 1985Assignee: Phillips Petroleum CompanyInventors: Yulin Wu, Naim A. Mumallah
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Patent number: 4551431Abstract: A dry, stable, particulate hydrous gel/protein composite prepared by coprecipitating by alkaline treatment a hydrous aluminum, gallium, or indium gel, and a protein, separating, and drying such as precipitating an aluminum hydroxide gel and an enzyme and drying. The dried composite can be ground and sized.Type: GrantFiled: April 21, 1983Date of Patent: November 5, 1985Assignee: Phillips Petroleum CompanyInventor: Phyllis J. Pierce
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Patent number: 4547536Abstract: Blends of a polyester with a desiccant and a poly(mono-1-olefin); optionally with an oil.Type: GrantFiled: July 30, 1984Date of Patent: October 15, 1985Assignee: Phillips Petroleum CompanyInventor: Lester G. Nabors
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Patent number: 4545927Abstract: Curable conductive rubber blends of (A) a Masterbatch blend of an (a) dispersing component having a limited compatibility with rubber and (b) a conductor selected from conductive carbon blacks and metal powders, is (B) blended with (c) a rubber, and the resulting conductive blend is then cured/molded as desired. The technique provides a method/product uniformly electrically conductive of very low resistivity with quite modest amounts of conductive filler.Type: GrantFiled: July 29, 1982Date of Patent: October 8, 1985Assignee: Phillips Petroleum CompanyInventor: Henry E. Railsback
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Patent number: 4537932Abstract: Solution polymerized rubbery conjugated diene homopolymers and copolymers with monovinylarenes are terminated with a hydrocarbyl phosphite or thiophosphite. The phosphite terminated polymers, particularly medium-vinyl polybutadiene, can be incorporated in rubber/carbon black/oil tread stock compounds employing up to 65 parts of rubber per 100 parts of polymer and up to 30 parts of oil per 100 parts of polymer for higher resilience, lower hysteresis, and generally higher tensile strength after vulcanization.Type: GrantFiled: July 30, 1984Date of Patent: August 27, 1985Assignee: Phillips Petroleum CompanyInventors: Carl A. Uraneck, John E. Burleigh
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Patent number: 4536407Abstract: A comestible whipped protein product produced by treating yeast cells for nucleic acid reduction under basic and acidic conditions followed by treating the nucleic reduced cells with a relatively high temperature short-time heat-shock, and whipping.Type: GrantFiled: July 29, 1983Date of Patent: August 20, 1985Assignee: Phillips Petroleum CompanyInventor: Lucas K. Shay
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Patent number: 4533720Abstract: In a process for preparing aromatic polyesters (polyarylates) by heating a bisphenol (e.g., Bisphenol-A), at least one dicarboxylic acid (e.g., terephthalic acid and isophthalic acid) and acetic anhydride, a gamma-butyrolactone, such as gamma-butyrolactone, is employed a diluent, reducing sublimation of reactants, and resulting in higher molecular weight of the polymer.Type: GrantFiled: September 13, 1983Date of Patent: August 6, 1985Assignee: Phillips Petroleum CompanyInventor: Michael C. Yu
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Patent number: 4508617Abstract: In a normally endothermic naphtha reformer reactor, using a fixed bed of particulate catalyst, to determine if catalyst by-passing is occurring, the feed rate to the reactor is decreased, e.g., by such as about 30 percent, to a rate found previously still to produce an endothermic reaction. If the reactor outlet temperature now exceeds the reactor inlet temperature, the reaction is exothermic, and catalyst by-passing is occurring.Type: GrantFiled: May 18, 1984Date of Patent: April 2, 1985Assignee: Phillips Petroleum CompanyInventor: Dean P. Montgomery
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Selective plugging of highly permeable subterranean strata by in situ _gelation of polymer solutions
Patent number: 4498539Abstract: A water permeability correction process, and composition therefor, to improve the sweep efficiency of waterflooding which involves the sequential injection of (1) an optional aqueous preflush slug to adjust connate water salinity, (2) an aqueous thickened slug comprising a sequestered polyvalent metal cation such as aluminum citrate, a gelable polymeric viscosifier such as polyacrylamide, and a hydrolyzable-pH-adjusting ester effective for delayed decreasing of the pH of the polymer slug which triggers in situ gelation to preferentially decrease water permeability in highly permeable thief zones, and, preferably, (3) an aqueous drive fluid.Type: GrantFiled: November 16, 1983Date of Patent: February 12, 1985Assignee: Phillips Petroleum CompanyInventor: Donald D. Bruning -
Patent number: 4496370Abstract: In the gasification of char with zinc oxide, the improvement which comprises reacting the off-gas stream of gaseous zinc and carbon monoxide with steam at elevated temperatures in a second reactor means thereby oxidizing the zinc to zinc oxide and yielding a second gaseous stream containing carbon monoxide and hydrogen. This improved process avoids having to condense and revaporize the zinc, heretofore an economic barrier to the development of the zinc oxide char processes.Type: GrantFiled: April 4, 1983Date of Patent: January 29, 1985Assignee: Phillips Petroleum CompanyInventor: William G. Billings
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Patent number: 4495344Abstract: Polyamides, prepared from cycloalkylalkylenediamines such as 5-cyclohexyl-5-methyl-1,9-nonanediamine and dicarboxylic acids such as adipic or azelaic acid, plus a tricarboxylic acid for branching such as benzene tricarboxylic acid, are tough, clear resins useful for molding and fibers.Type: GrantFiled: June 3, 1983Date of Patent: January 22, 1985Assignee: Phillips Petroleum CompanyInventors: Charles A. Drake, Stanley D. Turk
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Patent number: RE32533Abstract: Carburetor detergency properties of hydrocarbon fuels are provided by nitrogen-containing organic compound-grafted, hydrogenated conjugated diene-monovinylarene copolymers.Type: GrantFiled: July 6, 1982Date of Patent: October 27, 1987Assignee: Phillips Petroleum CompanyInventors: William J. Trepka, Richard J. Sonnenfeld