Patents by Inventor Gregory A. Rhoa

Gregory A. Rhoa 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).

  • Dry oil coated antacid process
    Patent number: 4605551
    Abstract: This invention relates to an improvement comprising coating agitated particles of substantially anhydrous antacid with a solvent-free mixture of electronegatively charged material in a non-toxic inert substantially water insoluble oil.
    Type: Grant
    Filed: November 30, 1984
    Date of Patent: August 12, 1986
    Assignee: William H. Rorer, Inc.
    Inventors: John D. Buehler, Hans J. Medal, Gregory A. Rhoa
  • Pharmaceutical tablet
    Patent number: D300264
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: March 14, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Gregory A. Rhoa, Pravinchandra B. Shah
  • Pharmaceutical tablet
    Patent number: D300673
    Type: Grant
    Filed: November 9, 1987
    Date of Patent: April 11, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Gregory A. Rhoa, Pravinchandra B. Shah
  • Pharmaceutical tablet
    Patent number: D301763
    Type: Grant
    Filed: November 16, 1987
    Date of Patent: June 20, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Gregory A. Rhoa, Pravinchandra B. Shah