Patents by Inventor Janet D. Capolupo

Janet D. Capolupo 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
  • 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
  • Hydrolytically stable antioxidant composition
    Patent number: 4402858
    Abstract: Stabilizing composition comprising (I) a phosphite P(OR).sub.3 and (II) an organic metal salt M(OOCR.sup.1).sub.n, the P/M molar ratio being from 78/1 to 900/1.
    Type: Grant
    Filed: April 14, 1982
    Date of Patent: September 6, 1983
    Assignee: Uniroyal, Inc.
    Inventors: Janet D. Capolupo, Elmar H. Jancis