Patents by Inventor Carl Thamssen

Carl Thamssen 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).

  • Cosmetic and medicinal topical preparations
    Patent number: 5861440
    Abstract: The use of substances that are generally recognized as safe for cosmetic or pharmaceutical applications and that have positive solution enthalpy, in particular sugar alcohols of general formula (I) where N=3, 4 and 5, preferably xylitol, in cosmetic or medicinal topical preparations is characterized in that the substances or substances in the preparations are present in a largely water-free medium and/or are shielded from an aqueous medium by a material barrier.
    Type: Grant
    Filed: January 3, 1996
    Date of Patent: January 19, 1999
    Assignee: Beiersdorf Aktiengesellschaft
    Inventors: Sven Gohla, Friedrich Heinze, Jens Nielsen, Carl Thamssen