Granted Patent
Utility
US 4,263,041 · App. 06/124,198
Optionally substituted phenyl, and alkyl N-[5-(2-chloro-4-trifluoromethyl-6-optionally substituted phenoxy)-2-nitro, halo, or cyanobenzoyl]carbamates
Inventor:
William S. Grove
Patented Case
View Patent ↗
Granted: Apr 21, 1981
Filed: Feb 25, 1980
Inventor
William S. Grove
Assignee (at issue)
PPG Industries, Inc.
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.