Granted Patent
Utility
US 5,354,776 · App. 08/084,843
Acetylenes disubstituted with a heteroaromatic group and a tetralin group and having retinoid-like activity
Inventor:
Roshantha A. Chandraratna
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Jun 29, 1993
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.