Granted Patent
Utility
US 6,156,857 · App. 09/214,190
Method for producing cycloolefin (co)polymers for technical applications
Inventors:
Karl-Heinz Aleksander Ostoja Starzewski, Warren Mark Kelly, Andreas Stumpf
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Dec 30, 1998
Inventors
Karl-Heinz Aleksander Ostoja Starzewski
Warren Mark Kelly
Andreas Stumpf
Assignee (at issue)
Bayer Aktiengesellschaft
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.