Patents Represented by Attorney Howard D. Doescher
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Patent number: 4610302Abstract: An enhanced oil recovery process comprising injecting into an oil-bearing formation a sacrificial agent to adsorb on and occupy active sites of the formation matrix and introducing into the formation microbial cells or agents which produce metabolic products in-situ thereby enhancing oil displacement from the formation.Type: GrantFiled: July 3, 1985Date of Patent: September 9, 1986Assignee: Phillips Petroleum CompanyInventor: J. Bennett Clark
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Patent number: 4609769Abstract: Olefins are converted into other olefins having different numbers of carbon atoms by contact with a catalyst comprising a silica support containing tungsten oxide and a promoting amount of at least one titaniferous agent and activated under conditions suitable for the titaniferous agent to promote the activity of tungsten oxide and silica for the disproportionation and isomerization reaction.Type: GrantFiled: February 15, 1984Date of Patent: September 2, 1986Assignee: Phillips Petroleum CompanyInventors: Simon Kukes, Robert L. Banks
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Patent number: 4600496Abstract: Pitch is converted to mesophase pitch in the presence of catalytically effective amounts of oxides, diketones, carboxylates and carbonyls of metals selected from vanadium, chromium, molybdenum, iron, nickel and cobalt. The crystalloidal or mesophase pitch obtained can be used for the production of carbon fibers and other carbon and graphite products and articles of manufacture of unusually high quality.Type: GrantFiled: November 18, 1983Date of Patent: July 15, 1986Assignee: Phillips Petroleum CompanyInventors: Paul J. Cheng, Tammy M. Elkins
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Patent number: 4600736Abstract: Resinous pigment concentrates comprising at least one pigment and a dispersing additive of a naphthenic extender oil and/or a phosphate ester blended with a major portion of a resinous polymer containing a significant proportion of at least one polymerized conjugated diene monomer, when used for coloring resinous polymers as described, are effective in reducing such defects in finished articles as gels and surface blemishes.Type: GrantFiled: March 11, 1985Date of Patent: July 15, 1986Assignee: Phillips Petroleum CompanyInventor: Donald G. Needham
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Patent number: 4596786Abstract: Olefins are converted into other olefins having different numbers of carbon atoms by contact with a catalyst comprising a silica support containing tungsten oxide and a promoting amount of a least one titaniferous agent and activated under conditions suitable for the titaniferous agent to promote the activity of tungsten oxide and silica for the disproportionation and isomerization reaction.Type: GrantFiled: March 12, 1985Date of Patent: June 24, 1986Assignee: Phillips Petroleum CompanyInventors: Simon Kukes, Robert L. Banks
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Patent number: 4590174Abstract: Olefins are converted into other olefins having different numbers of carbon atoms by contact with a catalyst comprising an inorganic refractory oxide support containing at least one of tungsten oxide and molybdenum oxide and a promoting amount of at least one methylating agent under conditions suitable for the methylating agent compounds to promote the activity of tungsten and molybdenum oxides for the disproportionation reaction.Type: GrantFiled: September 11, 1984Date of Patent: May 20, 1986Assignee: Phillips Petroleum CompanyInventors: Simon G. Kukes, Robert L. Banks
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Patent number: 4589957Abstract: Improved process for the separation of a hydrocarbon-containing feedstream comprising monomer, comonomer and diluent into separate product streams which comprises subjecting the feedstream to two-stage distillation provided with a common accumulation zone wherein the condensate from the accumulation zone serves as the source of feed for the second distillation and reflux for the first distillation. In a specific embodiment, a feed comprising ethylene, 1-hexene, and isobutane is separated into separate streams of 1-hexene, ethylene and isobutane, and isobutane for recycle to polymerization.Type: GrantFiled: August 25, 1983Date of Patent: May 20, 1986Assignee: Phillips Petroleum CompanyInventors: Fred T. Sherk, Donald O. Hanson
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Patent number: 4581474Abstract: In a combination alkylation-methyltertiary butyl ether (MTBE) operation, the unreacted C.sub.4 olefinic hydrocarbons produced by etherification are contacted with molecular sieves to absorb 2-butenes and the 1-butenes remaining in the stream are divided so that one portion is subjected to double bond isomerization to form 2-butenes for alkylation and another portion is subjected skeletal isomerization to form isobutene for etherification.Type: GrantFiled: March 11, 1985Date of Patent: April 8, 1986Assignee: Phillips Petroleum CompanyInventors: Thomas Hutson, Jr., Paul D. Hann
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Patent number: 4575538Abstract: A process for producing a novel-highly active lanthanide containing catalysts comprising products formed by reacting a lanthanide halide, and an electron doner ligand with an organometal cocatalyst component and its use in the polymerization of olefins, especially olefins such as ethylene, 1,3-butadiene, isoprene and the like. In one embodiment, an organic base is used to increase catalyst activity in those instances where rare earth metal halide-ligand complex is formed with a ligand containing an acidic proton. In another embodiment, diolefins and vinyl aromatics are polymerized in a two-stage process employing a lanthanide complex-organometal cocatalyst in the first stage and a free radical initiator in the second stage.Type: GrantFiled: December 20, 1984Date of Patent: March 11, 1986Assignee: Phillips Petroleum CompanyInventors: Henry L. Hsieh, Gene H. C. Yeh
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Patent number: 4572292Abstract: A well composition and waterflood process comprising the use of an aqueous solution containing a small effective amount of an inorganic peroxide, such as hydrogen peroxide, and a fatty amine oxide followed by an aqueous drive fluid.Type: GrantFiled: April 4, 1984Date of Patent: February 25, 1986Assignee: Phillips Petroleum CompanyInventor: Paul R. Stapp
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Patent number: 4571269Abstract: Addition of selected dispersants comprising metal petroleum sulfurates and selected oil-soluble esters to asphaltic fractions exhibiting a positive Oliensis spot test to improve the properties thereof so that the asphaltic material will pass the Oliensis spot test and be suitable for use in paving formulations.Type: GrantFiled: March 31, 1981Date of Patent: February 18, 1986Assignee: Phillips Petroleum CompanyInventors: Jack N. Finch, Janice S. Sprague
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Patent number: 4571431Abstract: A process for providing high space time yields in the acetoxylation of propylene involving the use of a catalyst consisting esssentially of palladium, potassium, bismuth, and a promoting amount of magnesium or a combination of magnesium and barium.Type: GrantFiled: May 24, 1985Date of Patent: February 18, 1986Assignee: Phillips Petroleum CompanyInventor: Charles A. Drake
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Patent number: 4567159Abstract: Olefins are converted into other olefins having different numbers of carbon atoms by contact with a catalyst comprising an inorganic refractory material containing at least one of tungsten oxide and molybdenum oxide and a promoting amount of at least one treating agent selected from chlorinated silicon compounds, thionyl chloride, and sulfuryl chloride under conditions suitable for the treating agent to promote the activity of tungsten and molybdenum oxides for the disproportionation reaction.Type: GrantFiled: September 11, 1984Date of Patent: January 28, 1986Assignee: Phillips Petroleum CompanyInventors: Robert L. Banks, Simon G. Kukes
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Patent number: 4565795Abstract: Polymerization of olefins in the presence of a catalyst system comprising a titanium-containing component A associated with a chemically treated silica-containing composition and a dihydrocarbylmagnesium compound and a cocatalyst component B comprising metal hydride or organometal compound derived from an element of Groups IA-IIIA of the Periodic Table.Type: GrantFiled: December 7, 1979Date of Patent: January 21, 1986Assignee: Phillips Petroleum CompanyInventors: James N. Short, Max P. McDaniel
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Patent number: 4563509Abstract: Poly(phenylene sulfide) (PPS) copolymers and terpolymers can be made infusible or thermoset by first treating with hydrogen peroxide followed by heating above the melting temperature of the polymers.Type: GrantFiled: August 1, 1984Date of Patent: January 7, 1986Assignee: Phillips Petroleum CompanyInventor: Yeon F. Liang
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Patent number: 4561984Abstract: The efficiency of metals separation using ore flotation is improved by the use of certain substituted hydrocarbylene trithiocarbonates as suppressants for undesired metals.Type: GrantFiled: March 23, 1984Date of Patent: December 31, 1985Assignee: Phillips Petroleum CompanyInventors: Clarence R. Bresson, Robert M. Parlman, James B. Kimble
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Patent number: 4560733Abstract: Polymerization of olefins in the presence of a catalyst system comprising titanium-coating component (A) associated with a milled blend of at least two different silica-containing components having different MI (polymer melt index) potentials and a dihydrocarbylmagnesium compound, and a cocatalyst component (B) comprising an organoaluminum compound. Ethylene polymers having broad molecular weight distribution are obtained using the catalyst defined herein.Type: GrantFiled: October 1, 1984Date of Patent: December 24, 1985Assignee: Phillips Petroleum CompanyInventors: Shirley J. Martin nee Sturdy, Max P. McDaniel
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Patent number: 4560817Abstract: The hydrogenation of olefin polymers and especially diene polymers can be carried out effectively using a catalyst containing a Group VIII metal, a metal alkoxide and a support, optionally in the presence of a nitrogen-containing ingredient to inhibit aromatic hydrogenation.Type: GrantFiled: March 2, 1984Date of Patent: December 24, 1985Assignee: Phillips Petroleum CompanyInventors: Rex L. Bobsein, Marvin M. Johnson
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Patent number: 4559317Abstract: A process for homo- and copolymerization of mono-1-olefins in the presence of a mixed catalyst comprising as component A the product of fluorinated magnesium alkoxide with tetravalent halogenated titanium compounds and as component B organoaluminum compounds which, optionally, contain an aromatic ester and/or an organoaluminum halide compound. The catalysts exhibit increased polymer productivity and less formation of soluble polymer.Type: GrantFiled: March 12, 1985Date of Patent: December 17, 1985Assignee: Phillips Petroleum CompanyInventor: Joel L. Martin
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Patent number: 4559320Abstract: The disproportionation/skeletal isomerization of olefins can be carried out with high conversions and selectivity in the presence of catalyst compositions containing Group IIA and at least one of Group VIB and rhenium components.Type: GrantFiled: April 9, 1985Date of Patent: December 17, 1985Assignee: Phillips Petroleum CompanyInventor: Robert E. Reusser