Patents by Inventor Ralph N. Landau

Ralph N. Landau 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).

  • Urea compositions and their methods of manufacture
    Patent number: 8313756
    Abstract: Urea compositions useful for treatment of dermatological conditions. The compositions may include greater than about 50 wt-% urea, and methods of making such compositions are provided.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: November 20, 2012
    Assignee: Fougera Pharmaceuticals, Inc.
    Inventors: Ralph N. Landau, Dale R. Sanson, Amir Kamyar Jahani