Granted Patent
Utility
US 6,528,607 · App. 09/909,209
Heat-stable, corrosion-inhibiting polyorganosiloxane resins
Inventor:
Gerhard Reusmann
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Jul 19, 2001
Inventor
Gerhard Reusmann
Assignee (at issue)
GOLDSCHMIDT HOLDING GMBH
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.