Patents by Inventor William C. Crane

William C. Crane 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).

  • Process for the emulsification of polydimethyl siloxane oils, organomodified siloxane oils and organic oil using non-ionic surfactants
    Patent number: 5338352
    Abstract: A process for preparing an oil-in-water emulsion is provided, which process comprises mixing and heating a water-insoluble organomodified polysiloxane oil or an organic oil, an organomodified silicone emulsifier, water and an alkaline metal salt above the cloud point of the emulsifier under agitated conditions and cooling the resulting mixture below the cloud point.
    Type: Grant
    Filed: May 10, 1993
    Date of Patent: August 16, 1994
    Assignee: OSi Specialties, Inc.
    Inventors: William C. Breneman, William C. Crane, Michael J. Walsh, Eric A. Warren
  • Process for the emulsification of polydimethyl siloxane oils, organomodified siloxane oils and organic oil using non-ionic surfactants
    Patent number: 5234495
    Abstract: A process for preparing an oil-in-water emulsion is provided, which process comprises mixing and heating a water-insoluble organomodified polysiloxane oil, an organomodified silicone emulsifier, water and an alkaline metal salt above the cloud point of the emulsifier under agitated conditions and cooling the resulting mixture below the cloud point.
    Type: Grant
    Filed: December 2, 1991
    Date of Patent: August 10, 1993
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: William C. Breneman, William C. Crane, Michael J. Walsh, Eric A. Warren