Granted Patent
Utility
US 5,677,451 · App. 08/466,003
Disubstituted acetylenes bearing heterobicyclic groups and heteroaromatic or phenyl groups having retinoid like activity
Inventor:
Roshantha A. Chandraratna
Patented Case
View Patent ↗
Granted: Oct 14, 1997
Filed: Jun 6, 1995
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.