Patents by Inventor James G. Murray

James G. Murray 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).

  • Sulfur coupled hydrocarbyl derived mercaptobenzothiazole adducts as multifunctional antiwear additives and compositions containing same
    Patent number: 5199960
    Abstract: Sulfur-coupled hydrocarbyl derived mercaptobenzothiazole adducts have been found to be effective multifunctional antiwear additives for fuels and lubricants.
    Type: Grant
    Filed: October 3, 1991
    Date of Patent: April 6, 1993
    Assignee: Mobil Oil Corporation
    Inventors: Liehpao O. Farng, Andrew G. Horodysky, James G. Murray
  • Sulfur coupled hydrocarbyl derived mercaptobenzothiazole adducts as multifunctional antiwear additives and compositions containing same
    Patent number: 5073279
    Abstract: Sulfur-coupled hydrocarbyl derived mercaptobenzothiazole adducts have been found to be effective multifunctional antiwear additives for fuels and lubricants.
    Type: Grant
    Filed: September 27, 1989
    Date of Patent: December 17, 1991
    Assignee: Mobil Oil Corporation
    Inventors: Liehpao O. Farng, Andrew G. Horodysky, James G. Murray
  • Multi-stage anionic dispersion homopolymerization to form microparticles with narrow size distribution
    Patent number: 4829135
    Abstract: Styrene or other anionically polymerizable monomer is anionically homopolymerized in a dispersion using a non-solvent, e.g., hexane using three or more stages to obtain spherical microparticles, e.g., 2-5 microns, with a narrow size distribution.
    Type: Grant
    Filed: December 29, 1987
    Date of Patent: May 9, 1989
    Assignee: Mobil Oil Corporation
    Inventors: Binnur Z. Gunesin, James G. Murray, Frederick C. Schwab, Ronald J. Gustafson
  • Crystalline isotactic poly(para-methylstyrene)
    Patent number: 4749763
    Abstract: Crystalline isotactic poly(para-methylstyrene) previously unreported in the literature is prepared by polymerizing para-methylstyrene with a TiCl.sub.3 /aluminum alkyl catalyst and fractionating the product to obtain a crystalline fraction with a crystalline melting point of 205.degree. C.
    Type: Grant
    Filed: October 7, 1985
    Date of Patent: June 7, 1988
    Assignee: Mobil Oil Corporation
    Inventors: Binnur Z. Gunesin, James G. Murray
  • Method for preparing paperlike products from fibers threaded with polymer
    Patent number: 4615689
    Abstract: Fibers, such as wood fibers, are treated with a solvent solution of a thermoplastic polymer, e.g., polypropylene; the solvent is removed; and the treated fibers are fused into an article such as a fiber-polymer sheet or a board.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: October 7, 1986
    Assignee: Mobil Oil Corporation
    Inventors: James G. Murray, Harold G. Tinger
  • Catalyst for olefin polymerization
    Patent number: 4526942
    Abstract: Zeolite supported, organochromium based catalyst compositions are provided which are especially suitable for the polymerization of 1-olefins such as ethylene. Pi-bonded organochromium [II] compounds such as chromocene (dicyclopentadienyl chromium) are reacted with ZSM-5 type zeolites to produce such novel catalysts.
    Type: Grant
    Filed: January 10, 1983
    Date of Patent: July 2, 1985
    Assignee: Mobil Oil Corporation
    Inventors: Arthur W. Chester, James G. Murray
  • Impact polymer composition
    Patent number: 4524184
    Abstract: A polymer composition of polyparamethylstyrene and styrene-butadiene block copolymer. The polyparamethylstyrene has a molecular weight of about 50k-400k. The styrene-butadiene block copolymer has a weight average molecular weight of about 50k-250k, and is present in the composition in the amount of about 5-20 percent by weight as concentrated rubbery domains within the polyparamethylstyrene. Compositions according to the present invention show good impact, melt flow and transparency properties.
    Type: Grant
    Filed: April 23, 1984
    Date of Patent: June 18, 1985
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray
  • Paper-polymer product
    Patent number: 4503117
    Abstract: A paper-polymer product as a fibrous, open web structure with polymer within the fiber structure of the cellulose fibers. The polymer is formed in-situ from a liquid, non-polar vinyl monomer such as p-chlorostyrene or p-methylstyrene. The open spaces of the fibrous web structure are substantially free from polymer.
    Type: Grant
    Filed: December 30, 1983
    Date of Patent: March 5, 1985
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray
  • Battery having cathode of sheet loaded with graphite and carbon sheet anode
    Patent number: 4497883
    Abstract: Rechargeable secondary battery comprising a cathode of a sheet loaded with graphite, an anode of a sheet containing high surface area carbon, and an electrolyte. The sheets can be prepared using a binder such as paper pulp and can be formed on paper making equipment.
    Type: Grant
    Filed: April 29, 1983
    Date of Patent: February 5, 1985
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray
  • Polymers of methyl ethenyl benzene
    Patent number: 4486574
    Abstract: Polymers of methyl styrene produced from an isomer mixture having a high content of the para-isomer are halogenated, sulfonated or subjected to other substitution reactions.
    Type: Grant
    Filed: August 27, 1982
    Date of Patent: December 4, 1984
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray
  • High clarity blends of polyvinyl chloride and para-methylstyrene-acrylonitrile copolymer
    Patent number: 4464514
    Abstract: Blends of polyvinyl chloride and copolymers of p-methylstyrene and acrylonitrile exhibit high clarity compared to the blends of polyvinyl chloride and polystyrene.
    Type: Grant
    Filed: April 29, 1983
    Date of Patent: August 7, 1984
    Assignee: Mobil Oil Corporation
    Inventors: James G. Murray, Edmond L. Suek
  • Catalysts for olefin polymerization comprising the reaction product of organotitanium and organochromium with zeolites
    Patent number: 4446243
    Abstract: Zeolite supported, organometallic derived catalyst compositions are provided which are especially suitable for the polymerization of 1-olefins such as ethylene. Organotitanium and organochromium compounds such as tributylchromium and tetrabutyltitanium are reacted with ZSM-5 type zeolites to produce such novel catalysts.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: May 1, 1984
    Assignee: Mobil Oil Corporation
    Inventors: Arthur W. Chester, James G. Murray
  • Polyester resin blend
    Patent number: 4388440
    Abstract: A blend, useful as a molding composition, of an unsaturated polyester with a mixture of isomeric methyl ethenyl benzenes containing a high proportion of the para-isomer.
    Type: Grant
    Filed: August 5, 1980
    Date of Patent: June 14, 1983
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray
  • Catalyst for olefin polymerization
    Patent number: 4377497
    Abstract: Zeolite supported, organochromium based catalyst compositions are provided which are especially suitable for the polymerization of 1-olefins such as ethylene. Pi-bonded organochromium [II] compounds such as chromocene (dicyclopentadienyl chromium) are reacted with ZSM-5 type zeolites to produce such novel catalysts.
    Type: Grant
    Filed: September 24, 1981
    Date of Patent: March 22, 1983
    Assignee: Mobil Oil Corporation
    Inventors: Arthur W. Chester, James G. Murray
  • Alkyltitanium and alkylchromium catalysts for olefin polymerization
    Patent number: 4376722
    Abstract: Zeolite supported, organometallic based catalyst composition are provided which are especially suitable for the polymerization of 1-olefins such as ethylene. Alkyltitanium and alkylchromium compounds such as tributylchromium and tetrabutyltitanium are reacted with ZSM-5 type zeolites to produce such novel catalysts.
    Type: Grant
    Filed: October 27, 1981
    Date of Patent: March 15, 1983
    Assignee: Mobil Oil Corporation
    Inventors: Arthur W. Chester, James G. Murray
  • Process for suspension polymerization of styrenic monomers
    Patent number: 4367320
    Abstract: There is provided a method for the suspension polymerization of one or more styrenic monomers. This method involves increasing the amount of substantially water insoluble free radical initiator in the suspension after the conversion of the monomer has reached at least 50%. The temperature of the suspension is at least 110.degree. C. throughout the entire polymerization.
    Type: Grant
    Filed: March 27, 1981
    Date of Patent: January 4, 1983
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray
  • Process for preparing non-oriented polyolefin film
    Patent number: 4363771
    Abstract: A method for producing non-oriented film that comprises depositing high molecular weight polyolefin powder on a smooth non-adherent substrate, sintering the deposited powder, contacting the sintered powder with rollers at the sintering temperature at a pressure sufficient to effect densification of the polyolefin normal to the surface but insufficient to effect significant longitudinal flow of the polyolefin to form a void-free film, and stripping said film from said substrate.
    Type: Grant
    Filed: June 24, 1981
    Date of Patent: December 14, 1982
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray
  • Stabilized thermosetting polyester
    Patent number: 4352900
    Abstract: This invention provides a formulation comprising a thermosetting polyester, p-methylstyrene, a hydroquinone stabilizer, and 4,4'-thiobis-(3-methyl-6-t-butyl)-phenol.
    Type: Grant
    Filed: December 31, 1980
    Date of Patent: October 5, 1982
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray
  • Blends of polystrene or poly (p-methylstyrene) and p-methylstyrene-diene-styrene block copolymers
    Patent number: 4352908
    Abstract: Blends of polystyrene, poly(p-methylstyrene) or copolymers of styrene and p-methylstyrene; and an A-B-A' p-methylstyrene-conjugated diene-styrene block copolymer containing, by weight of the block copolymer, about 5-40% p-methylstyrene, about 5-40% styrene, and about 20-80% conjugated diene, are disclosed.
    Type: Grant
    Filed: December 30, 1981
    Date of Patent: October 5, 1982
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray
  • Suspension stabilizer for p-methylstyrene suspension polymerization
    Patent number: 4237255
    Abstract: In the aqueous suspension polymerization of p-methylstyrene, in which a difficultly soluble phosphate is used as a suspension stabilizer, the improvement which comprises adding to the aqueous suspension, as an extender, sulfonated poly(p-methylstyrene).
    Type: Grant
    Filed: December 31, 1979
    Date of Patent: December 2, 1980
    Assignee: Mobil Oil Corporation
    Inventor: James G. Murray