Patents by Inventor Wilfrid Siefken

Wilfrid Siefken 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).

  • Use of electrolytes for reinforcing the barrier function of the skin
    Publication number: 20040197354
    Abstract: Use of electrolytes for producing cosmetic or dermatological preparations for the treatment and prevention of dry skin, and the use of electrolytes for producing cosmetic and dermatological preparations for the treatment and prevention of dry skin and for enhancing the barrier function of the skin.
    Type: Application
    Filed: May 14, 2004
    Publication date: October 7, 2004
    Inventors: Thomas Doring, Volker Schreiner, Wilfrid Siefken, Gerhard Sauermann, Helga Biergiesser