Granted Patent
Utility
US 6,017,995 · App. 09/073,910
Suspension for the solvent-free production of silicone resin-bonded papers based on sheet silicates
Inventors:
Guenter Beuschel, Holger Rautschek
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: May 7, 1998
Inventors
Guenter Beuschel
Holger Rautschek
Assignee (at issue)
WACKER CHEMIE 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.