Granted Patent
Utility
US 6,825,344 · App. 09/918,152
Process for the preparation of cephalosporin compounds and synthetic intermediates
Inventors:
Desmond John Best, George Burton, Brian Charles Gasson, Neal Frederick Osborne, Graham Walker
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Jul 30, 2001
Inventors
Desmond John Best
George Burton
Brian Charles Gasson
Neal Frederick Osborne
Graham Walker
Assignee (at issue)
Pfizer 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.