Patents by Inventor Richard E. Koehler

Richard E. Koehler 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 alkali metal thieno(furo)pyridines
    Patent number: 4480098
    Abstract: Thienopyridines and furopyridines react at the 2-position with non-nucleophilic alkali metal bases to give alkali metal thieno(furo)pyridine salts.
    Type: Grant
    Filed: November 12, 1982
    Date of Patent: October 30, 1984
    Assignee: Eli Lilly and Company
    Inventors: Richard E. Koehler, John A. Webber