Granted Patent
Utility
US 5,128,485 · App. 07/628,751
Synthesis of 2-aryl-5-(trifluoromethyl)pyrroles useful as pesticidal agents and as intermediates for the preparation of said agents
Inventor:
Venkataraman Kameswaran
Patented Case
View Patent ↗
Granted: Jul 7, 1992
Filed: Dec 17, 1990
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.