Granted Patent
Utility
US 5,491,236 · App. 07/803,287
(1,2N) and (3,2N)-carbocyclic-2-amino tetralin derivatives
Inventor:
Chiu-Hong Lin
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Dec 4, 1991
Inventor
Chiu-Hong Lin
Assignee (at issue)
The Upjohn Co.
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.