Patents by Inventor Horst Wenck

Horst Wenck 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/lactate topical compositions for dry skin
    Patent number: 5561166
    Abstract: Methods and compositions for the treatment of dry skin involve the topical application to affected sites of a composition comprising from about 1% to about 12% by weight of urea and from about 1% to about 10% by weight of and alkali or an earth metal salt of lactic acid such as sodium, potassium or calcium lactate or a mixture of these salts in water-in-oil emulsions. In lotion embodiments, the emulsion typically contains from about 1% to about 10% by weight, more narrowly from about 2% to about 5% by weight, lactate and from about 1% to about 10% by weight, more narrowly from about 2% to about 5% by weight, urea. In cream embodiments, the emulsion typically contains from about 1% to about 5% by weight, more narrowly from about 2% to about 4% by weight, lactate, and from about 3% to about 15% by weight, more narrowly from about 5% to about 10% by weight, urea.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: October 1, 1996
    Assignee: Beiersdorf, Inc.
    Inventors: Henning Sattler, Horst Wenck, Sven Thormahlen, Karlheinz Schrader