Granted Patent
Utility
US 6,123,762 · App. 08/814,923
Low-dust, well dispersible granulates based on silicate fillers modified with organosilicon compounds
Inventors:
Thomas Barthel, Udo Gorl, Alan Parkhouse, Kurt Eichenauer
Patented Case
View Patent ↗
Granted: Sep 26, 2000
Filed: Mar 12, 1997
Inventors
Thomas Barthel
Udo Gorl
Alan Parkhouse
Kurt Eichenauer
Assignee (at issue)
Degussa-Huels AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.