Patents by Inventor Charles W. Stiefel

Charles W. Stiefel 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).

  • Sulfacetamide formulations for treatment of skin dermatoses
    Patent number: 8501202
    Abstract: A topical composition for the treatment of mammalian skin dermatoses comprising a sulfacetamide or a derivative thereof and at least 1 sunscreen wherein the sunscreen is present in a sufficient amount to produce a sun protection factor of about 1.6 to about 20.6. Also provided is a method of treating mammalian dermatoses by administering a topical composition comprising a sulfacetamide or a derivative thereof and at least 1 sunscreen wherein the sunscreen is present in a sufficient amount to produce a sun protection factor of about 1.6 to about 20.6.
    Type: Grant
    Filed: January 26, 2006
    Date of Patent: August 6, 2013
    Assignee: Aqua Pharmaceuticals, LLC
    Inventor: Charles W. Stiefel
  • Sulfacetamide formulations for treatment of rosacea
    Patent number: 7357938
    Abstract: A method for treating rosacea in a patient comprising administering to a patient suffering from rosacea a first topical composition comprising at least one sulfacetamide or a derivative thereof and at least one sunscreen, wherein the administration of said first composition provides a more effective treatment of said rosacea in comparison to treatment of rosacea achieved by administration of a second topical composition comprising metronidazole.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: April 15, 2008
    Assignee: Stiefel Laboratories, Inc.
    Inventor: Charles W. Stiefel
  • Sulfacetamide formulations for treatment of rosacea
    Patent number: 7022332
    Abstract: The present invention provides improved sulfacetamide and sulfur formulations including sunscreens for the treatment of rosacea.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: April 4, 2006
    Assignee: Stiefel Laboratories, Inc.
    Inventor: Charles W. Stiefel
  • Sulfacetamide formulations for treatment of rosacea
    Publication number: 20030118526
    Abstract: The present invention provides improved sulfacetamide and sulfur formulations including sunscreens for the treatment of rosacea.
    Type: Application
    Filed: July 9, 2002
    Publication date: June 26, 2003
    Inventor: Charles W. Stiefel