Granted Patent
Utility
US 5,426,225 · App. 08/175,845
Perfluoroalkanoyl aminonitriles
Inventor:
Venkataraman Kameswaran
Patented Case
View Patent ↗
Granted: Jun 20, 1995
Filed: Dec 30, 1993
Inventor
Venkataraman Kameswaran
Assignee (at issue)
American Cyanamid 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.