Granted Patent
Utility
US 5,847,157 · App. 08/882,292
Method of producing (+) 2-azabicyclo{2.2.1}hept-5-en-3-one
Inventors:
Frank Romanowski, Kurt Vroman, Rudolf Vanheertum
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Jun 25, 1997
Inventors
Frank Romanowski
Kurt Vroman
Rudolf Vanheertum
Assignee (at issue)
Degussa 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.