Granted Patent
Utility
US 6,211,377 · App. 09/260,142
Process for the purification of (.+-.)-2-azabicyclo[2.2.1]hept-5-en-3-one
Inventors:
Johny Edmond De Schrijver, Philippe Otten
Patented Case
View Patent ↗
Granted: Apr 3, 2001
Filed: Mar 1, 1999
Inventors
Johny Edmond De Schrijver
Philippe Otten
Assignee (at issue)
Degussa-Huels AG
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.