Patents by Inventor Ute Pospesch

Ute Pospesch 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).

  • Matting agent radiation for curing coatings
    Patent number: 6770128
    Abstract: A matting agent composition comprises silica and wax wherein the composition has a median particle size in the range of about 2-12 microns, a wax content in the range of about 15-30 wt. % and the silica has a pore volume in the range of about 0.8 to 1.4 cc/g. The matting agent is particularly suitable for radiation curable coatings. The matting agent has been shown to be particularly efficient in such coatings, as well as shows consistent gloss over varying coat weights.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: August 3, 2004
    Assignee: Grace GmbH & Co. KG
    Inventors: Georg Lueers, David Joseph Kent, Volker Petry, Ute Pospesch