Patents by Inventor Prakash M. Charu

Prakash M. Charu 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).

  • Stable gel formulation for topical treatment of skin conditions
    Patent number: 6258830
    Abstract: The present invention provides a stable gel formulation for topical treatment of skin conditions in humans. The stable gel formulation includes an active agent, having activity for treatment of acne and psoriasis, which is insoluble in water and a plurality of nonaqueous vehicles for both solubilizing said active agent and forming a gel therewith enabling topical application of the gel to a skin condition. The plurality of vehicles are each present in amounts, and in combination, to control release of the active agent from-the gel to the skin condition.
    Type: Grant
    Filed: March 1, 1999
    Date of Patent: July 10, 2001
    Assignee: Allergan Sales, Inc.
    Inventor: Prakash M. Charu
  • Stable gel formulation for topical treatment of skin conditions
    Patent number: 5914334
    Abstract: The present invention provides a stable gel formulation for topical treatment of skin conditions in humans. The stable gel formulation includes an active agent, having activity for treatment of acne and psoriasis, which is insoluble in water and a plurality of nonaqueous vehicles for both solubilizing said active agent and forming a gel therewith enabling topical application of the gel to a skin condition. The plurality of vehicles are each present in amounts, and in combination, to control release of the active agent from the gel to the skin condition.
    Type: Grant
    Filed: March 28, 1996
    Date of Patent: June 22, 1999
    Assignee: Allergan, Inc.
    Inventor: Prakash M. Charu