Patents by Inventor David C. W. Morley

David C. W. Morley 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: 4608303
    Abstract: Vermiculite ore is contacted with an aqueous solution with at least one salt of sodium, lithium or an organosubstituted ammonium cation followed by aqueous washing so that the ore swells. The swollen vermiculite in aqueous suspension is subjected to a shearing action until a suspension containing vermiculite particles having dimensions less than 50 microns is produced with elimination from the suspension of all particles having a diameter larger than 50 microns. Water can then be removed from the suspension.
    Type: Grant
    Filed: June 9, 1982
    Date of Patent: August 26, 1986
    Assignee: Imperial Chemical Industries PLC
    Inventors: Denis G. H. Ballard, Colin S. Cundy, Graham R. Rideal, David C. W. Morley