Patents by Inventor Gerrit W. Verhoeve

Gerrit W. Verhoeve 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).

  • 2-Methyl-5,7-dihydrothieno-[3,4d]-pyrimidine
    Patent number: 3960860
    Abstract: This application relates to 2-methyl-5,7-dihydrothieno-[3,4d]-pyrimidine, which is useful for flavoring foodstuffs or tobacco compositions and altering the fragrance of perfume compositions.
    Type: Grant
    Filed: January 15, 1975
    Date of Patent: June 1, 1976
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Ira Katz, Richard A. Wilson, William J. Evers, Manfred H. Vock, Gerrit W. Verhoeve