Granted Patent
Utility
US 5,266,665 · App. 07/531,663
Metathesis polymerization catalyst and method of polymerizing cyclic olefins therewith
Inventor:
Christopher J. Hardiman
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Jun 1, 1990
Inventor
Christopher J. Hardiman
Assignee (at issue)
Monsanto 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.