Granted Patent
Utility
US 6,166,098 · App. 09/506,280
Use of organofunctionally modified polysiloxanes in the production of polyurethane foam
Inventors:
Georg Burkhart, Andreas Weier
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Feb 17, 2000
Inventors
Georg Burkhart
Andreas Weier
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.