Granted Patent
Utility
US 4,736,004 · App. 06/867,645
Persistent perfluoroalkyl free radicals useful as polymerization catalyst
Inventors:
Kirby V. Scherer, Jr., Taizo Ono, Kouichi Yamanouchi
Patented Case
View Patent ↗
Granted: Apr 5, 1988
Filed: May 28, 1986
Inventors
Kirby V. Scherer, Jr.
Taizo Ono
Kouichi Yamanouchi
Assignee (at issue)
Green Cross 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.