Patents by Inventor Donald R. Wait

Donald R. Wait 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).

  • Antibiotic rubradirin B and process for preparing the same
    Patent number: 4107295
    Abstract: Antibiotic rubradirin B producible by the controlled fermentation of the known microorganism Streptomyces achromogenes var. rubradiris, NRRL 3061. This antibiotic and its base-addition salts are active against various microorganisms, for example, Staphylococcus aureus, Streptococcus hemolyticus, Sarcina lutea, and Mycobacterium avium. Accordingly, they can be used in various environments to eradicate or control such microorganisms.
    Type: Grant
    Filed: April 15, 1977
    Date of Patent: August 15, 1978
    Assignee: The Upjohn Company
    Inventors: Herman Hoeksema, Fritz Reusser, Donald R. Wait