Granted Patent
Utility
US 5,324,840 · App. 07/898,764
Method of treatment with compounds having retinoid-like activity and reduced skin toxicity and lacking teratogenic effects
Inventor:
Roshantha A. Chandraratna
Patented Case
View Patent ↗
Granted: Jun 28, 1994
Filed: Jun 11, 1992
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.