Patents by Inventor Sylvia Wissing

Sylvia Wissing 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).

  • UV radiation reflecting or absorbing agents, protecting against harmful UV radiation and reinforcing the natural skin barrier
    Patent number: 6814959
    Abstract: The invention relates to agents with UV radiation-absorbing and/or reflecting action comprising solid, polymorphic, crystal-line or partially crystalline lipid and/or polymer particles, for application to the skin, mucous membranes, scalp, and hair for protection against health-damaging UV radiation and for strengthening the natural skin barrier.
    Type: Grant
    Filed: April 8, 2002
    Date of Patent: November 9, 2004
    Assignee: PharmaSol GmbH
    Inventors: Rainer H. Müller, Sylvia Wissing, Karsten Mäder