Patents by Inventor Owen E. Etheridge, Jr.

Owen E. Etheridge, Jr. 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).

  • Kaolin clay slurries having reduced viscosities and process for the manufacture thereof
    Patent number: 5593490
    Abstract: A kaolin clay slurry having a reduced viscosity is manufactured by a process which comprises the sequential steps of mechanically working an undispersed crude kaolin clay material having a solids content of at least about 65 percent, by weight, under conditions which insure that the kaolin clay material will be subjected to an energy level of at least 10 horsepower-hours per ton of dry kaolin clay material and then subjecting the mechanically worked kaolin clay material to centrifugation to substantially remove any particles having a diameter less than about 0.2 microns.
    Type: Grant
    Filed: June 26, 1995
    Date of Patent: January 14, 1997
    Assignee: Thiele Kaolin Company
    Inventors: Owen E. Etheridge, Jr., Jorge L. Yordan, Robert A. Lowe