Granted Patent
Utility
US 5,508,439 · App. 08/427,361
Perfluoroalkanoyl aminonitriles
Inventor:
Venkataraman Kameswaran
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Apr 24, 1995
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.