Granted Patent
Utility
US 5,334,718 · App. 08/007,930
Chemical process and intermediates used therein
Inventors:
Andrew Peter Thomas, David Michael Glanville Martin, Stanley A. Lee, Lyn Powell
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Jan 25, 1993
Inventors
Andrew Peter Thomas
David Michael Glanville Martin
Stanley A. Lee
Lyn Powell
Assignee (at issue)
Zeneca 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.