Granted Patent
Utility
US 5,196,534 · App. 07/704,099
Process for the preparation of lactam derivatives
Inventors:
John William Frank Whitehead, Keith Mills, Ian H. Coates, Alexander W. Oxford, Peter C. North
Patented Case
View Patent ↗
Granted: Mar 23, 1993
Filed: May 22, 1991
Inventors
John William Frank Whitehead
Keith Mills
Ian H. Coates
Alexander W. Oxford
Peter C. North
Assignee (at issue)
Glaxo Group 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.