Granted Patent
Utility
US 4,891,413 · App. 07/303,171
Cyclopentane diester vinylene polymers
Inventor:
Jawed Asrar
Patented Case
View Patent ↗
Granted: Jan 2, 1990
Filed: Jan 27, 1989
Inventor
Jawed Asrar
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.