Patents by Inventor Richard L. Wolstoncroft

Richard L. Wolstoncroft 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).

  • Rubber and polymer preservative and protectant
    Patent number: 5433890
    Abstract: An aqueous polymer preservative and protectant composition containing a silicone emulsion, an aminofunctional silicone emulsion, a film forming thickening agent and a polyol.
    Type: Grant
    Filed: July 19, 1994
    Date of Patent: July 18, 1995
    Assignee: First Brands Corporation
    Inventors: Kenneth L. Meyer, Edward T. Turner, Richard L. Wolstoncroft
  • Method of preparing and packaging automobile wax
    Patent number: 4592934
    Abstract: Multi-phase paste and liquid polish compositions having improved gloss life and water resistance durability are obtained by providing an oil external emulsion phase containing aminofunctional polysiloxane, and a water external emulsion phase containing dimethyl polysiloxane. The oil external emulsion phase and the water external emulsion phase are packaged in the same container or in separate containers in a manner as to keep each phase separate from the other phase until the polish compositions are applied to a surface to be polished. The method of preparing and packaging the multi-phase polish compositions is also disclosed.
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: June 3, 1986
    Assignee: Union Carbide Corporation
    Inventor: Richard L. Wolstoncroft