Patents by Inventor Ronald L. Holsapple

Ronald L. Holsapple 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).

  • Package for compounding rubber and compounded rubber
    Patent number: 4957970
    Abstract: A package comprised of (A) compounding ingredients for unvulcanized rubber packaged in (B) a film comprised of syndiotactic-1,2-polybutadiene, sulfur, accelerator and retarder. The invention further relates to a compounded rubber comprised of a mixture of such package and sulfur curable rubber. The film may also contain additional selected rubbers.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: September 18, 1990
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Ronald L. Holsapple, John A. Kay