Patents by Inventor Robert Winslow White

Robert Winslow White 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).

  • Rheological agent for non-aqueous fluid systems
    Patent number: 3977894
    Abstract: A self-activating organoclay rheological additive for non-aqueous fluid systems has been produced comprising a homogeneous mixture of an organically modified montmorillonite clay and two solid waxes, the waxes being the activators for the organic clay. The two waxes are finely divided particles of glyceryl tri-12-hydroxystearate and an amide wax having the formula ##EQU1## where n is from 2 to 18, HSA is the acyl radical of 12-hydroxystearic acid, R is hydrogen or the acyl radical of 12-hydroxystearic acid.The montmorillonite clay is modified with a quaternary ammonium compound.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: August 31, 1976
    Assignee: NL Industries, Inc.
    Inventors: Robert Winslow White, Armando Franco