Patents by Inventor Kurt Weinberg

Kurt Weinberg 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).

  • Stabilization of polycondensation catalysts
    Patent number: 4468489
    Abstract: The process for the stabilization of polycondensation catalysts and the stabilization composition used in such process for producing polyesters and copolyesters by the polycondensation of dicarboxylic acid and an aliphatic glycol using certain metal-containing polycondensation catalysts in conjunction with a stabilization composition formed as the reaction product of phosphoric acid, meta-phosphoric acid, superphosphoric acid or mixtures thereof and an aliphatic epoxide having between 2 and about 10 carbon atoms.
    Type: Grant
    Filed: June 3, 1982
    Date of Patent: August 28, 1984
    Assignee: Union Carbide Corporation
    Inventors: Kurt Weinberg, Gordon C. Johnson
  • Stabilization of polycondensation catalysts
    Patent number: 4424140
    Abstract: The process for the stabilization of polycondensation catalysts and the stabilization composition used in such process for producing polyesters and copolyesters by the polycondensation of dicarboxylic acid and an aliphatic glycol using certain metal-containing polycondensation catalysts in conjunction with a stabilization composition formed as the reaction product of phosphoric acid, meta-phosphoric acid, superphosphoric acid or mixtures thereof and an aliphatic epoxide having between 2 and about 10 carbon atoms.
    Type: Grant
    Filed: June 3, 1982
    Date of Patent: January 3, 1984
    Assignee: Union Carbide Corporation
    Inventors: Kurt Weinberg, Gordon C. Johnson
  • Coordination complexes as polyesterification catalysts
    Patent number: 4394295
    Abstract: The process and the catalyst used therein for producing polyesters and copolyesters, useful for making films and fibers, by the polycondensation of dicarboxylic acids and aliphatic glycols using coordinations complexes of metal halides and silicon compounds as catalysts.
    Type: Grant
    Filed: December 31, 1981
    Date of Patent: July 19, 1983
    Assignee: Union Carbide Corporation
    Inventors: Kurt Weinberg, Gordon C. Johnson
  • Coordination complexes as polyesterification catalysts
    Patent number: 4361694
    Abstract: The process and the catalyst used therein for producing polyesters and copolyesters, useful for making films and fibers, by the polycondensation of dicarboxylic acids and aliphatic glycols using coordinations complexes of metal halides and silicon compounds as catalysts.
    Type: Grant
    Filed: December 31, 1981
    Date of Patent: November 30, 1982
    Assignee: Union Carbide Corporation
    Inventors: Kurt Weinberg, Gordon C. Johnson
  • Process for producing polyoxyalkylene glycol modified polyesters
    Patent number: 4254241
    Abstract: Improved process for producing polyesters and copolyesters modified with certain polyoxyalkylene glycols employs coordination complex catalysts of (I) a metal halide compound and certain silicon compounds or (II) a mixture of said coordination complex catalyst of said compounds with antimony diglycollate.
    Type: Grant
    Filed: December 12, 1979
    Date of Patent: March 3, 1981
    Assignee: Union Carbide Corporation
    Inventors: Kurt Weinberg, Gordon C. Johnson
  • Method for the preparation of quinoline and aniline compounds
    Patent number: 4157445
    Abstract: Quinoline and aniline compounds have been synthesized from aromatic nitro compounds and ethylenically unsaturated hydrocarbons in the presence of complexes of Group VIII metals used as catalysts.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: June 5, 1979
    Assignee: Union Carbide Corporation
    Inventors: Peter Fitton, Edward A. Rick, Kurt Weinberg
  • Coordination complexes as polyesterification catalysts
    Patent number: 4156072
    Abstract: A process for producing polyesters and copolyesters, useful for making films and fibers, by the polycondensation of dicarboxylic acids and aliphatic glycols using coordinations complexes of metal halides and silicon compounds as catalysts.
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: May 22, 1979
    Assignee: Union Carbide Corporation
    Inventors: Kurt Weinberg, Gordon C. Johnson
  • Coordination complexes as catalysts
    Patent number: 4143057
    Abstract: A process for producing polyesters and copolyesters, useful for making films and fibers, by the polycondensation of dicarboxylic acids and aliphatic glycols using coordinations complexes of metal halides and silicon compounds as catalysts.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: March 6, 1979
    Assignee: Union Carbide Corporation
    Inventors: Kurt Weinberg, Gordon C. Johnson
  • Process for catalytic production of polyesters
    Patent number: 4116942
    Abstract: A process for producing polyesters and copolyesters, useful for making films and fibers, by the polycondensation of dicarboxylic acids and aliphatic glycols using mixtures of antimony diglycollate and silicon compounds as catalysts.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: September 26, 1978
    Assignee: Union Carbide Corporation
    Inventors: Kurt Weinberg, Gordon Carlton Johnson
  • Catalytic production of polyesters
    Patent number: 4077944
    Abstract: A process for producing polyesters and copolyesters, useful for making films and fibers, by the polycondensation of dicarboxylic acids and aliphatic glycols using certain silicon compounds as catalysts.
    Type: Grant
    Filed: February 28, 1977
    Date of Patent: March 7, 1978
    Assignee: Union Carbide Corporation
    Inventors: Kurt Weinberg, Gordon Carlton Johnson
  • Coordination complexes as catalysts
    Patent number: RE30554
    Abstract: A process for producing polyesters and copolyesters, useful for making films and fibers, by the polycondensation of dicarboxylic acids and aliphatic glycols using coordinations complexes of metal halides and silicon compounds as catalysts.
    Type: Grant
    Filed: June 11, 1979
    Date of Patent: March 24, 1981
    Assignee: Union Carbide Corporation
    Inventors: Kurt Weinberg, Gordon C. Johnson