Granted Patent
Utility
US 6,803,464 · App. 10/275,457
Process for the preparation of pyrazine compounds
Inventors:
Dean David Edney, Andrew Kennedy
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Nov 5, 2002
Inventors
Dean David Edney
Andrew Kennedy
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.