Patents by Inventor James S. Frazee

James S. Frazee 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).

  • Mandelamidocephalosporins with improved properties
    Patent number: 3957985
    Abstract: 7-Mandelamido-3-(1-oxidopyridylthiomethyl)-3-cephem-4-carboxylic acid and substituted derivatives which have antibacterial activity are disclosed.
    Type: Grant
    Filed: February 25, 1975
    Date of Patent: May 18, 1976
    Assignee: SmithKline Corporation
    Inventors: James S. Frazee, Timothy Yu-Wen Jen