Patents by Inventor Kenneth H. Wirth

Kenneth H. Wirth 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).

  • High green strength rubbers
    Patent number: 4316825
    Abstract: The green strength of SBR, SBR-polybutadiene, natural rubber or combinations thereof is improved by blending with an EPDM or EPM having a high degree of crystallinity.
    Type: Grant
    Filed: November 28, 1980
    Date of Patent: February 23, 1982
    Assignee: Copolymer Rubber & Chemical Corp.
    Inventor: Kenneth H. Wirth