Granted Patent
Utility
US 6,034,089 · App. 09/163,033
Aryl thiophene derivatives as PDE IV inhibitors
Inventors:
Yongxin Han, Andre Giroux, Dwight MacDonald, Robert N. Young, Helene Perrier, Carole Lepine
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Sep 28, 1998
Inventors
Yongxin Han
Andre Giroux
Dwight MacDonald
Robert N. Young
Helene Perrier
Carole Lepine
Assignee (at issue)
MERCK & CO., 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.