Granted Patent
Utility
US 4,808,338 · App. 07/150,875
Certain 3-oxo-4-(substituted oxy or substituted thio)cyclohex-1-enyl-2-substituted benzoate intermediates
Inventor:
David L. Lee
Patented Case
View Patent ↗
Granted: Feb 28, 1989
Filed: Feb 1, 1988
Inventor
David L. Lee
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.