Patents by Inventor Herbert J. Shearing

Herbert J. Shearing 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).

  • Patent number: 4211680
    Abstract: Cement compositions which are the products obtained by mixing together and allowing to cure a hydraulic cement, a silica filler, water, an organic polyisocyanate and a polyol, the organic polyisocyanate being employed in an amount sufficient to provide an excess of isocyanate groups over the hydroxyl groups of the polyol. The compositions are particularly suitable for flooring applications and the mixtures, once made up, set very rapidly.
    Type: Grant
    Filed: June 1, 1978
    Date of Patent: July 8, 1980
    Assignee: Imperial Chemical Industries Limited
    Inventor: Herbert J. Shearing