Patents by Inventor Richard W. Vaughan

Richard W. Vaughan 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).

  • Patent number: 4752605
    Abstract: The antibiotic 7273 complex is elaborated by the microorganism, Dactylosporangium vescum ATCC 39499. The novel 7-chloro-4a-hydroxy-8-methoxytetracycline isolated from antibiotic 7273 complex is active against gram-positive and gram-negative aerobes.
    Type: Grant
    Filed: August 9, 1985
    Date of Patent: June 21, 1988
    Assignee: Schering Corporation
    Inventors: Mahesh G. Patel, Ann C. Horan, Joseph A. Marquez, George H. Miller, Richard W. Vaughan