Granted Patent
Utility
US 6,486,321 · App. 10/025,425
Process for preparing an anticholinergic
Inventors:
Rolf Banholzer, Manfred Graulich, Sven Luettke, Andreas Mathes, Helmut Meissner, Peter Specht, Wolfgang Broeder
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Dec 19, 2001
Inventors
Rolf Banholzer
Manfred Graulich
Sven Luettke
Andreas Mathes
Helmut Meissner
Peter Specht
Wolfgang Broeder
Assignee (at issue)
BOEHRINGER INGELHEIM PHARMA GMBH & CO. KG
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.