Granted Patent
Utility
US 4,918,236 · App. 06/871,989
Certain substituted 3-(substituted oxy)-2-benzoyl-cyclohex-2-enones
Inventors:
Christopher G. Knudsen, William J. Michaely
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Jun 9, 1986
Inventors
Christopher G. Knudsen
William J. Michaely
Assignee (at issue)
ICI Americas, 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.