Patents by Inventor Bonnie W. Griffiths

Bonnie W. Griffiths 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).

  • Method for treating carbon supports for hydrogenation catalysts
    Patent number: 4659686
    Abstract: A method for treating carbon that is deficient in alkali and/or alkaline earth metal content to improve the efficacy of the carbon as a catalyst support, particularly as a support for a noble metal hydrogenation catalyst.
    Type: Grant
    Filed: February 3, 1986
    Date of Patent: April 21, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Bonnie W. Griffiths, John B. Michel