Patents by Inventor Kevin J. Clay

Kevin J. Clay 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).

  • Pressure sensitive record material
    Patent number: 4962072
    Abstract: Record material comprising a paper sheet having on its front a printable pigment coating and on its back isolated droplets of colour former solution each confined within a pressure rupturable barrier, wherein the pigment coating comprises a binder for the pigment together with a synthetic reactive sizing agent or a coating structure agent or both the sizing agent and the coating structure agent.
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: October 9, 1990
    Assignee: The Wiggins Teape Group Limited
    Inventors: John B. Cooper, Kevin J. Clay