Granted Patent
Utility
US 5,728,846 · App. 08/764,466
Benzo1,2-g!-chrom-3-ene and benzo1,2-g!-thiochrom-3-ene derivatives
Inventors:
Vidyasagar Vuligonda, Alan T. Johnson, Roshantha A. Chandraratna
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Dec 12, 1996
Inventors
Vidyasagar Vuligonda
Alan T. Johnson
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.