Granted Patent
Utility
US 5,066,740 · App. 07/457,042
Pyridinium metathesis catalysts for cycloolefin polymerization
Inventor:
Larry F. Rhodes
Patented Case
View Patent ↗
Granted: Nov 19, 1991
Filed: Dec 26, 1989
Inventor
Larry F. Rhodes
Assignee (at issue)
B. F. Goodrich Company
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.