Granted Patent
Utility
US 5,929,242 · App. 08/817,460
Manufacture of levobupivacaine and analogues thereof from L-lysine
Inventor:
Gordon Eric Hutton
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Jun 9, 1997
Inventor
Gordon Eric Hutton
Assignee (at issue)
Darwin Discovery 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.