Granted Patent
Utility
US 6,018,050 · App. 09/043,038
Method of preparing optically active .alpha.-amino acids and .alpha.-amino acid derivatives
Inventors:
Hans-Josef Altenbach, Matthias Kottenhahn, Annegret Vogt, Mike Matthaus, Andreas Grundler, Michael Hahn
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Apr 30, 1998
Inventors
Hans-Josef Altenbach
Matthias Kottenhahn
Annegret Vogt
Mike Matthaus
Andreas Grundler
Michael Hahn
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.