Patents Assigned to Purchasing Inc.
  • High shock absorbing rubber compositions
    Patent number: 6093767
    Abstract: A high shock absorbing rubber composition comprises a cured blend of a conjugated diene rubber such as natural rubber or nitrile rubber with an EPDM rubber, and significant amounts of silica and optionally clay. The cured composition has low pendulum rebound properties of 20% or less, and is suitable for use as sport grips such as tennis rackets or golf grips, hand tools, lawn equipment, and the like.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: July 25, 2000
    Assignee: Purchasing Inc.
    Inventors: Fred Davis, Zbig Z. Zivny