Granted Patent
Utility
US 6,583,285 · App. 10/318,900
Process for preparing zolpidem
Inventors:
Markus Sauter, Wolfgang Wohlleben
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Dec 13, 2002
Inventors
Markus Sauter
Wolfgang Wohlleben
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.