Granted Patent
Utility
US 5,648,514 · App. 08/366,193
Substituted acetylenes having retinoid-like biological activity
Inventors:
Alan T. Johnson, Min Teng, Vidyasagar Vuligonda, Richard L. Beard, Samuel J. Gillett, Tien T. Duong, Roshantha A. Chandraratna
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Dec 29, 1994
Inventors
Alan T. Johnson
Min Teng
Vidyasagar Vuligonda
Richard L. Beard
Samuel J. Gillett
Tien T. Duong
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.