Granted Patent
Utility
US 5,723,631 · App. 08/464,800
Coumarin derivatives as retroviral inhibitors
Inventors:
Ashok D. Patil, Robert Philip Hertzberg, Geoffrey B. Dreyer, Alan James Freyer, John Westley, Balan Chenera, Michael L. West
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Jun 22, 1995
Inventors
Ashok D. Patil
Robert Philip Hertzberg
Geoffrey B. Dreyer
Alan James Freyer
John Westley
Balan Chenera
Michael L. West
Assignee (at issue)
SmithKline Beecham Limited
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.