Granted Patent
Utility
US 5,534,641 · App. 08/366,173
Acetylenes disubstituted with 2-tetrahydropyranoxyaryl and aryl or heteroaryl groups having retinoid-like biological activity
Inventors:
Tae K. Song, Roshantha A. Chandraratna
Patented Case
View Patent ↗
Granted: Jul 9, 1996
Filed: Dec 29, 1994
Inventors
Tae K. Song
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.