Granted Patent
Utility
US 4,822,906 · App. 07/129,125
Certain 2-(2-substituted benzoyl)-1,3-cyclohexanediones
Inventor:
Charles G. Carter
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: Dec 4, 1987
Inventor
Charles G. Carter
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.