Patents by Inventor Pravinchandra B. Shah

Pravinchandra B. Shah 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).

  • Method for lowering the viscosity of certain agents
    Patent number: 4117116
    Abstract: This invention describes a method of lowering the viscosity of aqueous gels of agents used in pharmaceutical preparations and of aqueous suspensions used as pharmaceutical preparations. Particular gels and suspensions and the viscosity lowering ingredients which are most useful are also described.
    Type: Grant
    Filed: March 31, 1975
    Date of Patent: September 26, 1978
    Assignee: William H. Rorer, Inc.
    Inventors: John D. Buehler, Pravinchandra B. Shah, Robert S. Joslin
  • 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