Granted Patent
Utility
US 6,320,059 · App. 09/520,267
Process for the preparation of 2-aryl-5-(perfluoro-alkyl) pyrrole compounds from N-[1-chloro-1-(perfluoroalkyl) methyl] arylimidoyl chloride compounds
Inventor:
Venkataraman Kameswaran
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Mar 7, 2000
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.