Granted Patent
Utility
US 6,699,856 · App. 10/202,817
Pyrazinones, compositions containing such compounds and methods of use
Inventors:
Yongxin Han, Andre Giroux, Robert Zamboni, Daniel McKay, Christopher Bayly, Erich L. Grimm, John Colucci
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Jul 25, 2002
Inventors
Yongxin Han
Andre Giroux
Robert Zamboni
Daniel McKay
Christopher Bayly
Erich L. Grimm
John Colucci
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.