Granted Patent
Utility
US 4,810,804 · App. 07/031,476
Acetylenes disubstituted with a phenyl group and a heterobicyclic group having retinoid-like activity
Inventor:
Roshantha A. Chandraratna
Patented Case
View Patent ↗
Granted: Mar 7, 1989
Filed: Mar 26, 1987
Inventor
Roshantha A. Chandraratna
Assignee (at issue)
Allergan, Inc.
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.