Granted Patent
Utility
US 5,585,500 · App. 08/501,282
Method of producing optically active pyrrolidines with high enantiomeric purity
Inventors:
Karlheinz Drauz, Matthias Kottenhahn, Michael Kraft, Michael Schwarm
Patented Case
View Patent ↗
Granted: Dec 17, 1996
Filed: Jul 17, 1995
Inventors
Karlheinz Drauz
Matthias Kottenhahn
Michael Kraft
Michael Schwarm
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.