Patents by Inventor Thomas M. Chucta

Thomas M. Chucta 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).

  • Stabilized carbon black loaded polyolefins
    Patent number: 4925889
    Abstract: A composition stabilized against oxidative degradation comprising: a polyolefin, carbon black homogeneously incorporated in said polyolefin, a stabilizing amount of a N-phenyl-N'-(p-toluenesulfonyl)-p-phenylenediamine first stabilizer component incorporated into said polyolefin and a second stabilizer component of at least one amine antioxidant selected from the group consisting of a para-substituted aralkyl-substituted diphenylamine; a para-phenylenediamine and a polymerized dihydroquinoline incorporated into said polyolefin.
    Type: Grant
    Filed: October 26, 1988
    Date of Patent: May 15, 1990
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Janet D. Capolupo, Thomas M. Chucta
  • Polypropylene stabilized against oxidative degradation with mixtures of diarylamine derivatives and sterically hindered phenols
    Patent number: 4837259
    Abstract: Polypropylene are stabilized against oxidative degradation by the presence therein of a stabilizing amount of an antioxidant composition which comprises:(a) at least one aralkyl-substituted diarylamine and;(b) at least one sterically hindered phenol.
    Type: Grant
    Filed: September 16, 1988
    Date of Patent: June 6, 1989
    Assignee: Uniroyal Chemical Company, Inc.
    Inventor: Thomas M. Chucta
  • Polyethylene stabilized by mixture of hindered phenol and amine antioxidants
    Patent number: 4797511
    Abstract: A composition stabilized against oxidative degradation comprising: a polyolefin, carbon black homogeneously incorporated in said polyolefin, a stabilizing amount of thiodiethylene bis(3,5-di-t-butyl-4-hydroxy)hydrocinnamate first stabilizer component incorporated into said polyolefin and a second stabilizer component of at least one amine antioxidant selected from the group consisting of a para-substituted aralkyl-substituted diphenylamine; a para-phenylenediamine and a polymerized dihydroquinoline incorporated into said polyolefin.
    Type: Grant
    Filed: September 25, 1987
    Date of Patent: January 10, 1989
    Assignee: Uniroyal Chemical Company, Inc.
    Inventors: Janet D. Capolupo, Thomas M. Chucta