Patents by Inventor Sharron Bates

Sharron Bates 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: 6039798
    Abstract: Wax coated silica matting agent wherein the silica is an amorphous silica having a pore volume of at least 1.5 cm.sup.3 /g, preferably at least 1.8 cm.sup.3 /g. The wax coating is present in the range from 6% to 15% by weight of the matting agent and comprises a synthetic polyethylene wax.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: March 21, 2000
    Assignee: Crosfield Limited
    Inventors: Derek Aldcroft, Sharron Bates, Graham James Earl