Patents by Inventor Grant Wayne Urry

Grant Wayne Urry 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).

  • Synthesis of ethylenically unsaturated compounds from aldehydes or ketones
    Patent number: 3992472
    Abstract: Certain hydrocarbylidene-niobium or -tantalum complexes react with aldehydes or ketones to produce ethylenically unsaturated compounds.
    Type: Grant
    Filed: July 18, 1975
    Date of Patent: November 16, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Grant Wayne Urry