Patents by Inventor Michael C. Yu

Michael C. Yu 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).

  • Polymeric products containing modified carbon products and methods of making and using the same
    Patent number: 6472471
    Abstract: Various modified carbon products are disclosed which can form a part of a polymeric product containing the modified carbon product and a polymer. One type of modified carbon product disclosed is a carbon product having attached at least one organic group, monomeric group, or polymeric group. Another type of modified carbon product disclosed is a carbon product having attached a group having the formula: —Ar—CO2—R or —CnH2nCO2—R where R is an organic group, monomeric group, or a polymeric group.
    Type: Grant
    Filed: December 14, 1998
    Date of Patent: October 29, 2002
    Assignee: Cabot Corporation
    Inventors: Joel M. Cooke, Collin P. Galloway, Mark A. Bissell, Curtis E. Adams, Michael C. Yu, James A. Belmont, Robert M. Amici
  • POLYMERIC PRODUCTS CONTAINING MODIFIED CARBON PRODUCTS AND METHODS OF MAKING AND USING THE SAME
    Publication number: 20020061947
    Abstract: Various modified carbon products are disclosed which can form a part of a polymeric product containing the modified carbon product and a polymer. One type of modified carbon product disclosed is a carbon product having attached at least one organic group, monomeric group, or polymeric group. Another type of modified carbon product disclosed is a carbon product having attached a group having the formula: —Ar—CO2—R or —CnH2nCO2—R where R is an organic group, monomeric group, or a polymeric group.
    Type: Application
    Filed: December 14, 1998
    Publication date: May 23, 2002
    Inventors: JOEL M. COOKE, COLLIN P. GALLOWAY, MARK A. BISSELL, CURTIS E. ADAMS, MICHAEL C. YU, JAMES A. BELMONT, ROBERT M. AMICI
  • Polymeric products containing modified carbon products and methods of making and using the same
    Patent number: 6110994
    Abstract: Various modified carbon products are disclosed which can form a part of a polymeric product containing the modified carbon product and a polymer. One type of modified carbon product disclosed is a carbon product having attached at least one organic group, monomeric group, or polymeric group. Another type of modified carbon product disclosed is a carbon product having attached a group having the formula: --Ar--CO.sub.2 --R or --(--C.sub.n H.sub.2n --)--CO.sub.2 --R, where R is an organic group, monomeric group, or a polymeric group.
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: August 29, 2000
    Assignee: Cabot Corporation
    Inventors: Joel M. Cooke, Collin P. Galloway, Mark A. Bissell, Curtis E. Adams, Michael C. Yu, James A. Belmont, Robert M. Amici
  • Treatment of polyarylene sulfide/sulfone polymers
    Patent number: 5350834
    Abstract: Poly(arylene sulfide/sulfone) polymers are treated in order to increase melt stability and decrease impurities by contacting the poly(arylene sulfide/sulfone) polymer with a soluble zinc compound and an acidic solution. In one embodiment, the polymer is treated first with the soluble zinc compound, followed by treatment with the acidic solution. In another embodiment, the polymer is treated in one step with a solution comprising a water soluble zinc compound in an acidic solution.
    Type: Grant
    Filed: May 14, 1993
    Date of Patent: September 27, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Rex L. Bobsein, Michael C. Yu, Roy F. Wright, David A. Soules
  • Metal hydroxide additives for poly(arylene sulfide)
    Patent number: 5350806
    Abstract: A composition and method for forming the composition of poly(arylene sulfide) having improved impact strength and crack resistance. The invention involves mixing poly(arylene sulfide) with a polymeric rubber, a metal hydroxide, and a carboxylic anhydride, each in sufficient amounts and in proportions needed to improve impact strength and crack resistance.
    Type: Grant
    Filed: December 27, 1991
    Date of Patent: September 27, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Michael C. Yu, William H. Beever
  • Method of preparing poly(arylene sulfide) polymers, polymers and polymer blends
    Patent number: 5328980
    Abstract: A process for preparing arylene sulfide polymers is provided, comprising contacting an initiator compound, a halothiophenol compound, an polar organic compound, and a base. Blends comprising the inventive polymers and polyamides or polyaramides provide improved mechanical properties.
    Type: Grant
    Filed: December 3, 1992
    Date of Patent: July 12, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Owen H. Decker, Michael C. Yu
  • Arylene sulfide copolymer
    Patent number: 5321121
    Abstract: Poly(biphenylene sulfide/poly(phenylene sulfide) copolymers are produced by contacting a p-dihalobenzene and a bis-p-halobiphenyl under polymerization condiditons. Additionally a poly(biphenylene sulfide)/poly(phenylene sulfide) copolymer/fiber reinforced composite is provided.
    Type: Grant
    Filed: November 30, 1992
    Date of Patent: June 14, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Michael C. Yu, Jimmie J. Straw
  • Arylene sulfide copolymer coating compositions and processes
    Patent number: 5278261
    Abstract: Low temperature heat curable arylene sulfide copolymer compositions which are particularly suitable for use in coating applications are provided. The compositions basically comprise a first arylene sulfide copolymer having unsubstituted para- and ortho-aromatic sulfide repeating units in the polymer chain, and a second arylene sulfide copolymer having unsubstituted para-aromatic sulfide repeating units and alkyl-substituted aromatic sulfide repeating units in the polymer chain.
    Type: Grant
    Filed: December 8, 1992
    Date of Patent: January 11, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Roy F. Wright, Michael C. Yu
  • Process for preparing arylene sulfide copolymers
    Patent number: 5266674
    Abstract: An arylene sulfide copolymer and a process for preparing same by contacting a mixture of two structurally different dihaloromatic compounds, at least one organic amide, at least one sulfur-containing compound, and water, and continuous long fiber reinforced plastics containing arylene sulfide copolymer as the polymer matrix or containing arylene sulfide copolymer in a thermoplastic resin matrix.
    Type: Grant
    Filed: December 24, 1990
    Date of Patent: November 30, 1993
    Assignee: Phillips Petroleum Company
    Inventor: Michael C. Yu
  • Treatment of polyarylene sulfide/sulfone polymers with zinc compound and acidic solution
    Patent number: 5235034
    Abstract: Poly(arylene sulfide/sulfone) polymers are treated in order to increase melt stability and decrease impurities by contacting the poly(arylene sulfide/sulfone) polymer with a soluble zinc compound and an acidic solution. In one embodiment, the polymer is treated first with the soluble zinc compound, followed by treatment with the acidic solution. In another embodiment, the polymer is treated in one step with a solution comprising a water soluble zinc compound in an acidic solution.
    Type: Grant
    Filed: May 6, 1991
    Date of Patent: August 10, 1993
    Assignee: Phillips Petroleum Company
    Inventors: Rex L. Bobsein, Michael C. Yu, Roy F. Wright, David A. Soules
  • Preparation of poly (biphenylene/phenylene) sulfide
    Patent number: 5219983
    Abstract: Poly(biphenylene sulfide/poly(phenylene sulfide) copolymers are produced by contacting a p-dihalobenzene and a bis-p-halobiphenyl under polymerization conditions. Additionally a poly(biphenylene sulfide)/poly(phenylene sulfide) copolymer/fiber reinforced composite is provided.
    Type: Grant
    Filed: May 8, 1991
    Date of Patent: June 15, 1993
    Assignee: Phillips Petroleum Company
    Inventors: Michael C. Yu, Jimmie J. Straw
  • Polyethylene terephthalate compositions with arylene sulfide random copolymers
    Patent number: 5194506
    Abstract: Polyethylene terephthalate molding compositions are provided which comprise polyethylene terephthalate, an aliphatic polyester, a warp resisting amount of an arylene sulfide copolymer, filler, and optionally, colorants.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: March 16, 1993
    Assignee: Phillips Petroleum Company
    Inventors: Howard F. Efner, Michael C. Yu, Ray D. Ramsay
  • Arylene sulfide copolymer coating compositions and processes
    Patent number: 5189121
    Abstract: Low temperature heat curable arylene sulfide copolymer compositions which are particularly suitable for use in coating applications are provided. The compositions basically comprise a first arylene sulfide copolymer having unsubstituted para- and ortho-aromatic sulfide repeating units in the polymer chain, and a second arylene sulfide copolymer having unsubstituted para-aromatic sulfide repeating units and alkyl-substituted aromatic sulfide repeating units in the polymer chain.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: February 23, 1993
    Assignee: Phillips Petroleum Company
    Inventors: Roy F. Wright, Michael C. Yu
  • Modified poly(arylene sulfide) composition with improved impact strength and reduced shrinkage
    Patent number: 5087666
    Abstract: There are provided compositions comprising poly(arylene sulfide), polymeric rubber, polyethylene, and carboxylic anhydride; and methods for making these compositions. Articles produced from the compositions have reduced shrinkage and improved impact strength.
    Type: Grant
    Filed: July 10, 1990
    Date of Patent: February 11, 1992
    Assignee: Phillips Petroleum Company
    Inventors: Michael C. Yu, John B. Allison
  • Melt stable phenylene sulfide/sulfone polymers and method
    Patent number: 5075420
    Abstract: A phenylene sulfide/sulfone polymer with relatively good melt stability and a method of producing such a polymer are provided. A previously produced phenylene sulfide/sulfone polymer is redissolved in N-methyl-2-pyrrolidone to form a solution. This solution is combined with an alcohol to precipitate highly melt stable phenylene sulfide/sulfone polymer in a particulate form. The alcohol has one to four carbon atoms, such as methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, and the like and mixtures thereof.
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: December 24, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Rex L. Bobsein, Robert W. Campbell, Harold D. Yelton, Michael C. Yu
  • Melt stable phenylene sulfide/sulfone polymers and method
    Patent number: 5039788
    Abstract: A phenylene sulfide/sulfone polymer with relatively good melt stability and a method of producing such a polymer are provided. A previously produced phenylene sulfide/sulfone polymer is redissolved in N-methyl-2-pyrrolidone to form a solution. This solution is combined with an alcohol to precipitate highly melt stable phenylene sulfide/sulfone polymer in a particulate form. The alcohol has one to four carbon atoms, such as methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, and the like and mixtures thereof.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: August 13, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Rex L. Bobsein, Robert W. Campbell, Harold D. Yelton, Michael C. Yu
  • Process for producing biphenylene sulfide polymer
    Patent number: 5037951
    Abstract: An improved process for producing biphenylene sulfide comprising reacting difluorobiphenyl with an alkali metal sulfide in a polar organic compound. The resulting polymer has a high melting point and fiber composites formed therefrom have excellent mechanical properties.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: August 6, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Michael C. Yu, Harold D. Yelton
  • Coatings of arylene sulfide polymers
    Patent number: 5015686
    Abstract: Improved coatings derived from arylene sulfide polymers are provided by use of powdered or liquid slurry coating formulations comprising a metal oxide and an arylene sulfide polymer which has an extrusion rate of about 80 to about 400 grams/10 minutes.
    Type: Grant
    Filed: March 16, 1989
    Date of Patent: May 14, 1991
    Assignee: Phillips Petroleum Company
    Inventors: Lyle R. Kallenbach, Michael C. Yu
  • Fiber-reinforced poly(biphenylene sulfide) composites and methods
    Patent number: 4970261
    Abstract: Composites comprised of reinforcing fibers in a continuous matrix of poly(biphenylene sulfide) resin and methods of producing such composites are provided. The poly(biphenylene sulfide) resin is produced by reacting 4,4'-difluorobiphenyl with an alkali metal sulfide in a polar organic compound whereby the resin has a high melting point and a high melt viscosity, and the composites formed therefrom have excellent mechanical properties and retention of mechanical properties at high temperatures.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: November 13, 1990
    Assignee: Phillips Petroleum Company
    Inventors: Michael C. Yu, Merlin R. Lindstrom, Alex Y. C. Lou
  • Coatings of arylene sulfide polymers
    Patent number: 4904502
    Abstract: Improved coatings derived from arylene sulfide polymers are provided by use of powered or liquid slurry coating formulations comprising a metal oxide and an arylene sulfide polymer which has an extrusion rate of about 80 to about 400 grams/10 minutes.
    Type: Grant
    Filed: March 16, 1989
    Date of Patent: February 27, 1990
    Assignee: Phillips Petroleum Company
    Inventors: Lyle R. Kallenbach, Michael C. Yu