Granted Patent
Utility
US 5,231,113 · App. 07/894,122
Tetralin esters of phenols or benzoic acids having retinoid like activity
Inventors:
Roshantha A. Chandraratna, Robert J. Weinkam
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Jun 4, 1992
Inventors
Roshantha A. Chandraratna
Robert J. Weinkam
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.