Granted Patent
Utility
US 4,602,096 · App. 06/764,993
Process for the racemization of N-acetyl-D,L-.alpha.-aminocarboxylic acids
Inventors:
Michael Karrenbauer, Axel Kleemann
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Aug 12, 1985
Inventors
Michael Karrenbauer
Axel Kleemann
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.