Patents by Inventor James W. Watkins

James W. Watkins 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).

  • Reaction products of p-vinyl phenol and polyisocyanates
    Patent number: 5032624
    Abstract: Polyunsaturated compounds useful in radiation curable compositions are made by reacting p-vinylphenol and a polyisocyanate in the ratio of one mole of p-vinylphenol for each isocyanate group of the polyisocyanate.
    Type: Grant
    Filed: April 23, 1990
    Date of Patent: July 16, 1991
    Assignee: Hoechst Celanese Corporation
    Inventors: James W. Watkins, Darrell D. Hicks
  • Reaction products of p-vinylphenol and polyisocyanates
    Patent number: 4985587
    Abstract: Polyunsaturated compounds useful in radiation curable compositions are made by reacting p-vinylphenol and a polyisocyanate in the ratio of one mole of p-vinylphenol for each isocyanate group of the polyisocyanate.
    Type: Grant
    Filed: October 29, 1987
    Date of Patent: January 15, 1991
    Inventors: James W. Watkins, Darrell D. Hicks
  • Radiation curable abrasion resistant coatings for plastics
    Patent number: 4617194
    Abstract: Coating compositions are made from a blend of an acrylic or methacrylic ester of an aliphatic polyol and an acrylic or methacrylic ester of a polyglycidyl ether of a bisphenol A-formaldehyde condensate. Such coating compositions, when cured by radiation, are useful as abrasion resistant coatings for plastics.
    Type: Grant
    Filed: September 3, 1985
    Date of Patent: October 14, 1986
    Assignee: Celanese Corporation
    Inventors: Bruce D. Scott, James W. Watkins