Patents by Inventor Wendy E. Wallace

Wendy E. Wallace 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).

  • Process for preparing carbamoyl pyridinium compounds
    Patent number: 6239281
    Abstract: Novel process for preparing carbamoyl pyridinium compounds using novel solvent/fatty amine reaction systems.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: May 29, 2001
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Charles B. Kreutzberger, James A. Manner, Wendy E. Wallace