Patents by Inventor Frank Plcker

Frank Plcker 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).

  • Preparation containing quinoxaline derivatives
    Publication number: 20030207886
    Abstract: The invention relates to the use of quinoxaline derivatives as photostable UV filters in cosmetic and pharmaceutical preparations for protecting the human epidermis or human hair against UV radiation, especially in the 280-400 nm range.
    Type: Application
    Filed: September 16, 2002
    Publication date: November 6, 2003
    Inventors: Frank Plcker, Hansj?uuml;rgen Driller, Michael Kirschbaum, Volker Scholz, Hans Neunhoeffer