Patents by Inventor Thomas H. Prichard

Thomas H. Prichard 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).

  • Process for precipitating aminoglycosides
    Patent number: 4256876
    Abstract: A highly efficient process for the precipitation of an amorphous (non-crystalline) aminoglycoside antibiotic salt during the purification process. Illustratively, there are disclosed processes for precipitating gentamicin, neomycin, and sisomicin salts.
    Type: Grant
    Filed: February 4, 1980
    Date of Patent: March 17, 1981
    Assignee: The Upjohn Company
    Inventors: Roger G. Harrison, Jr., Thomas H. Prichard