Patents by Inventor Harry Walter Wolfe, Jr.

Harry Walter Wolfe, Jr. 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).

  • Biuret polyisocyanates
    Patent number: 3954825
    Abstract: Biuret polyisocyanate is prepared by reacting a hindered polyamine and a polyisocyanate at elevated temperatures, in the presence of an excess of polyisocyanate. The resulting product may be utilized to prepare an outstanding foam composition.
    Type: Grant
    Filed: April 5, 1974
    Date of Patent: May 4, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: William Joseph Touhey, Jr., Harry Walter Wolfe, Jr.