Patents by Inventor Ninad A. Deshpanday

Ninad A. Deshpanday 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).

  • Triacetin as a penetration enhancer for transdermal delivery of a basic drug
    Patent number: 5834010
    Abstract: A composition and method for enhancing transdermal penetration of a basic drug are described. The composition comprises a matrix patch comprising an effective amount of a basic drug, preferably having a pK.sub.a of about 8.0 or greater, an effective amount of a penetration enhancer consisting essentially of triacetin, and a polymer layer preferably comprising a pressure-sensitive adhesive. A preferred basic drug is oxybutynin and acid addition salts thereof. The method for enhancing transdermal penetration comprises applying the matrix patch to a selected area of skin.
    Type: Grant
    Filed: January 3, 1997
    Date of Patent: November 10, 1998
    Assignee: Theratech, Inc.
    Inventors: Danyi Quan, Ninad A. Deshpanday, Srinivasan Venkateshwaran, Charles D. Ebert
  • Triacetin as a penetration enhancer for transdermal delivery of a basic drug
    Patent number: 5601839
    Abstract: A composition and method for enhancing transdermal penetration of a basic drug are described. The composition comprises a matrix patch comprising an effective amount of a basic drug, preferably having a pK.sub.a of about 8.0 or greater, an effective amount of penetration enhancer consisting essentially of triacetin, and a polymer later preferably comprising a pressure-sensitive adhesive. A preferred basic drug is oxybutynin and acid addition salts thereof. The method for enhancing transdermal penetration comprises applying the matrix patch to a selected area of skin.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: February 11, 1997
    Assignee: TheraTech, Inc.
    Inventors: Danyi Quan, Ninad A. Deshpanday, Srinivasan Venkateshwaran, Charles D. Ebert