Patents by Inventor William S. Dewar

William S. Dewar 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).

  • Curable compositions
    Patent number: 5952453
    Abstract: Methylenedianiline-free, PMR-type, curable compositions based on m-phenylenediamine or mixtures of m-phenylenediamine and p-phenylenediamine are described.
    Type: Grant
    Filed: May 8, 1996
    Date of Patent: September 14, 1999
    Assignee: Cytec Technology Corp.
    Inventors: Patrick T. McGrail, Paul Eustace, William S. Dewar