Patents by Inventor Richard Loiseau

Richard Loiseau 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).

  • Preparation of 3-methylpyridine from 2-methylglutaronitrile
    Patent number: 5066809
    Abstract: Disclosed is a process for making 3-methylpyridine by contacting 2-methylglutaronitrile in admixture with hydrogen gas with a supported solid catalyst containing palladium metal promoted with at least one of Cr, W, Ni, Co and Ge.
    Type: Grant
    Filed: September 27, 1990
    Date of Patent: November 19, 1991
    Assignee: The Standard Oil Company
    Inventors: Dev D. Suresh, Robert DiCosimo, Richard Loiseau, Maria S. Friedrich, Hsiao-Chiung Szabo