Granted Patent
Utility
US 6,610,849 · App. 10/160,702
Process for the manufacture of tropenol
Inventors:
Rainer Sobotta, Armin Rapp
Patented Case
View Patent ↗
Granted: Aug 26, 2003
Filed: Jun 3, 2002
Inventors
Rainer Sobotta
Armin Rapp
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.