Granted Patent
Utility
US 6,184,004 · App. 09/043,598
Process for the preparation of galanthamine and its derivatives
Inventors:
Robin M. Bannister, Raymond McCague
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: May 26, 1998
Inventors
Robin M. Bannister
Raymond McCague
Assignee (at issue)
Janssen Pharmaceutica NV
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.