Patents by Inventor Robert Heger

Robert Heger 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).

  • Aqueous dispersion of water-insoluble organic UV filter substances
    Publication number: 20010022965
    Abstract: The invention relates to aqueous dispersions of sparingly water-soluble or water-insoluble organic UV filter substances, which comprise at least one sparingly water-soluble or water-insoluble organic UV filter substance as colloidally disperse phase in amorphous or partially amorphous form.
    Type: Application
    Filed: January 30, 2001
    Publication date: September 20, 2001
    Inventors: Robert Heger, Helmut Auweter, Wilma M. Dausch, Georg Konrad Zwissler, Thomas Wunsch