Patents by Inventor Edward J. Rish

Edward J. Rish 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).

  • Polymerizable surfactant
    Patent number: 5162475
    Abstract: Describes alpha-beta ethylenically unsaturated poly(alkyleneoxy) compounds that display surfactant activity and that polymerize when used in the emulsion polymerization of ethylenically unsaturated monomers, including vinyl monomers. Certain of the polymer products are useful in imparting improved hand or feel to textile fabrics.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: November 10, 1992
    Assignee: PPG Industries, Inc.
    Inventors: Robert H. Tang, Paritosh M. Chakrabarti, Edward J. Rish, William A. Williams