Granted Patent
Utility
US 5,387,696 · App. 07/912,684
Reductive amination of an amino acid or of an amino acid derivative with an .alpha.-keto acid or an .alpha.-keto acid derivative
Inventors:
Matthias Kottenhahn, Karlheinz Drauz, Horst Harr
Patented Case
View Patent ↗
Granted: Feb 7, 1995
Filed: Jul 13, 1992
Inventors
Matthias Kottenhahn
Karlheinz Drauz
Horst Harr
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.