Patents by Inventor Richard J. Flecksteiner

Richard J. Flecksteiner 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).

  • Peroxide-cured blends of polyacrylates and partially hydrogenated nitrile rubbers
    Patent number: 5612418
    Abstract: Blends of a polyacrylate elastomer with a partially hydrogenated rubber, when peroxide-cured, provide a product which is excellent in resistance to degradation by heat or contact with oil, and which is particularly suitable for making belts, hoses, gaskets and the like for use in automobile engines.
    Type: Grant
    Filed: January 18, 1996
    Date of Patent: March 18, 1997
    Assignee: Zeon Chemical Incorporated
    Inventors: Paul E. Manley, Richard J. Flecksteiner, Michael E. Wood
  • Peroxide-cured polyacrylates
    Patent number: 5589550
    Abstract: A polyacrylate made from a monomer mixture containing alkyl acrylates and optionally ethylene, propylene, and acrylonitrile, and/or an alkoxyl alkyl or alkythioalkyl acrylate is cured with 1,1-bis(t-butylperoxy)-3,3,5-trimethylcyclohexane and m-phenylenediamine maleimide.
    Type: Grant
    Filed: October 25, 1995
    Date of Patent: December 31, 1996
    Assignee: Zeon Chemicals Incorporated
    Inventors: Paul E. Manley, Richard J. Flecksteiner