Patents by Inventor Alan M. Marks

Alan M. Marks 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).

  • Tretinoin in a gel vehicle for acne treatment
    Patent number: 4247547
    Abstract: An acne treatment gel composition, effective at low concentrations of tretinoin, is provided for topical application. The composition is highly effective in treating acne conditions and is capable of being stored without refrigeration for long periods of time without losing therapeutic effectiveness and while maintaining the uniformity and stability of the gel.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: January 27, 1981
    Assignee: Johnson & Johnson
    Inventor: Alan M. Marks