Granted Patent
Utility
US 5,661,178 · App. 08/522,775
Method for effecting vasodilation with (1,5-inter)aryl prostaglandin derivatives
Inventors:
June Chen, Robert M. Burk, David F. Woodward
Patented Case
View Patent ↗
Granted: Aug 26, 1997
Filed: Sep 1, 1995
Inventors
June Chen
Robert M. Burk
David F. Woodward
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.