Patents by Inventor Kenneth V. Smith

Kenneth V. Smith 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).

  • Halogen-containing polymers stabilized with organic antimony compound and an ortho mercapto phenol compound
    Patent number: 4440891
    Abstract: Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) an organic antimony compound or mixture of organic antimony compounds and (2) an organic compound or mixture of organic compounds having an aromatic ring which is substituted with hydroxy (--OH) and mercapto (--SH) groups ortho to each other. Also provided are polymer compositions containing said stabilizers and articles of manufacture made from said stabilized polymer compositions.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: April 3, 1984
    Assignee: Carstab Corporation
    Inventors: Jack D. Taylor, Kenneth V. Smith
  • Organohalide polymers stabilized with an organotin compound and an ortho mercapto phenol compound
    Patent number: 4314934
    Abstract: Compositions which are effective in stabilizing polymers against the deteriorative effects of heat are provided comprising (1) an organic tin compound or mixture of organic tin compounds and (2) an organic compound or mixture of organic compounds having an aromatic ring which is substituted with hydroxy (--OH) and mercapto (--SH) groups ortho to each other. Also provided are polymer compositions containing said stabilizers and articles of manufacture made from said stabilized polymer compositions.
    Type: Grant
    Filed: February 26, 1981
    Date of Patent: February 9, 1982
    Assignee: Carstab Corporation
    Inventors: Kenneth V. Smith, Jack D. Taylor