Patents by Inventor John C. Pitman

John C. Pitman 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).

  • Rubber tire having polyvinylidene chloride/elastomer inner liner coating
    Patent number: 4928741
    Abstract: A rubber tire having a vinylidene chloride copolymer/elastomer polymer blend inner liner is disclosed. This coating may be about 1 to 3 mils thick. The polymer blend has low air permeability, high elongation, low modulus and excellent flex resistance. The polymer blend may be prepared by combining an aqueous vinylidene chloride copolymer emulsion adjusted to pH of about 6.5 to about 8, with an elastomer latex, and applying the resulting mixed emulsion by conventional techniques to the inner surface of the carcas of inner liner of a green tire.
    Type: Grant
    Filed: June 1, 1988
    Date of Patent: May 29, 1990
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Grover W. Rye, John C. Pitman