Patents by Inventor John George Sommer

John George Sommer 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).

  • Compositions comprising EPDM, E/VA and poly-alpha-methylstyrene
    Patent number: 4102855
    Abstract: Blends of crystalline EPDM rubbery polymers, high m.w. ethylene-vinyl acetate copolymers and polyalphamethyl styrene exhibit good processing characteristics and physical properties. Part of the EVA may be replaced with low m.w. crystalline polyethylene. The addition of reinforcing agents will raise the modulus and other physical properties while still retaining favorable processing characteristics.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: July 25, 1978
    Assignee: The General Tire & Rubber Company
    Inventors: Tiong Ho Kuan, John George Sommer