Granted Patent
Utility
US 4,837,352 · App. 07/171,358
3-chloro-2-(2'-substituted benzoyl)-cyclohex-2-enone intermediate compounds
Inventor:
Christopher G. Knudsen
Patented Case
View Patent ↗
Granted: Jun 6, 1989
Filed: Mar 21, 1988
Inventor
Christopher G. Knudsen
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.