Patents by Inventor Charles P. Tharp

Charles P. Tharp 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).

  • Vaginal delivery systems and their methods of preparation and use
    Patent number: 4551148
    Abstract: Systems and their methods of preparation and use that release an active agent in a controlled manner for an extended period in a vaginal cavity environment. The systems are capable of delivering the active agent for periods greater than three hours at a predictable rate to a predetermined site, the vaginal cavity.
    Type: Grant
    Filed: October 11, 1984
    Date of Patent: November 5, 1985
    Assignee: KV Pharmaceutical Company
    Inventors: Thomas C. Riley, Jr., Charles P. Tharp, Galen G. Lapka