Patents by Inventor Larry A. Simmons

Larry A. Simmons 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).

  • Publication number: 20060111515
    Abstract: A clear, impact modified, heat resistant polyvinyl chloride composition is provided comprising (a) at least one polyvinyl halide; (b) at least one clear impact modifier possessing a refractive index which is not more than about 2% above or below the refractive index of the polyvinyl halide; and (c) at least one clear heat modifier comprising a terpolymer obtained by the copolymerization of a vinyl aromatic monomer, an acrylonitrile and an alkyl acrylate or alkyl methacrylate, wherein the terpolymer possesses a refractive index which is not more than about 2% above or below the refractive index of the polyvinyl halide and possesses a weight average molecular weight ranging from about 75,000 to about 400,000.
    Type: Application
    Filed: November 22, 2004
    Publication date: May 25, 2006
    Inventors: Larry Simmons, George McCarty
  • Patent number: D361509
    Type: Grant
    Filed: May 13, 1994
    Date of Patent: August 22, 1995
    Assignee: Ciba-Geigy Corporation
    Inventors: Lawrence C. Dull, Larry A. Simmons
  • Patent number: D364956
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: December 12, 1995
    Assignee: Ciba Geigy Corporation
    Inventors: Lawrence C. Dull, Larry A. Simmons