Granted Patent
Utility
US 5,213,607 · App. 07/762,836
2-(1-substituted-2-imidazolin-2-yl) benzoic and nicotinic acids and method for their preparation
Inventor:
Michael A. Guaciaro
Patented Case
View Patent ↗
Granted: May 25, 1993
Filed: Sep 19, 1991
Inventor
Michael A. Guaciaro
Assignee (at issue)
American Cyanamid 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.