Patents by Inventor Corinne Simone Duffy

Corinne Simone Duffy 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).

  • Color stability of isocyanates
    Patent number: 7297746
    Abstract: A hardener composition for use as a component of a two component polyurethane coating composition, comprising a polyisocyanate, a catalyst for promoting reaction of the polyisocyanate with a reactive hydrogen compound, and one or more antioxidants selected from: a first antioxidant comprising one or more of sterically hindered phenol antioxidants and secondary aryl amine antioxidants, and a second antioxidant comprising one or more organophosphite antioxidant, exhibits improved color stability.
    Type: Grant
    Filed: July 14, 2004
    Date of Patent: November 20, 2007
    Assignee: Rhodia Inc.
    Inventors: Richard Rosen, Jean-Marie Bernard, Shiming Wo, Corinne Simone Duffy