Granted Patent
Utility
US 4,871,856 · App. 07/268,093
Certain 3-benzoyl-4-oxolactams
Inventor:
Jeff K. Curtis
Patented Case
View Patent ↗
Granted: Oct 3, 1989
Filed: Nov 7, 1988
Inventor
Jeff K. Curtis
Assignee (at issue)
Stauffer Chemical 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.