Patents by Inventor John R. Hazlett

John R. Hazlett 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).

  • Chemotherapeutic solutions containing a sulphur and a salt of a 2,4-diamino-5-benzylpyrimidine
    Patent number: 3985876
    Abstract: A clear solution suitable for oral or parenteral chemotherapy of microbial, especially bacterial, infections containing a sulfonamide in an organic solvent and a mono acid addition salt of a sulfonamide potentiator (e.g. trimethoprim) in water, the solution having a pH in the range 2 to 7.
    Type: Grant
    Filed: May 7, 1975
    Date of Patent: October 12, 1976
    Assignee: Burroughs Wellcome Co.
    Inventors: John R. Hazlett, Elvin A. Holstius