Patents by Inventor Edward A. Sinclair

Edward A. Sinclair 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).

  • Thermoplastic moldable latex foam mat
    Patent number: 4186230
    Abstract: A moldable tufted carpet automobile mat, the molded mat and the process of preparing the mat, the moldable automobile mat comprising in combination: a nonwoven fabric or a tufted carpet having a tufted face surface and a back surface; a latex precoat; a thin layer of a stiff, heat-moldable thermoplastic foam of a blend of an elastomer and a resin having a thickness of up to about one-eighth to about three-eighths of an inch.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: January 29, 1980
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Edward A. Sinclair, John M. Kalbfleisch
  • Plasticity index improvers and method of use
    Patent number: 4020026
    Abstract: This invention provides a method of treating rubber in the latex or nonlatex form with polyethylenimine to improve the plasticity and plasticity retention index of the unvulcanized elastomer.
    Type: Grant
    Filed: April 17, 1975
    Date of Patent: April 26, 1977
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Frits W. Janssen, Edward A. Sinclair