Granted Patent
Utility
US 4,382,874 · App. 06/146,837
Organo zirconium complexes
Inventor:
Fred W. Jenkins
Patented Case
View Patent ↗
Granted: May 10, 1983
Filed: May 5, 1980
Inventor
Fred W. Jenkins
Assignee (at issue)
Petrolite Corporation
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.