Granted Patent
Utility
US 6,686,181 · App. 10/031,356
Method for the production of L-amino acids from their racemic N-aceytyl-D, L-derivatives by enzymatic racemate cleavage by means of isolated recombinant enzymes
Inventor:
Klaus Bartsch
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jan 17, 2002
Inventor
Klaus Bartsch
Assignee (at issue)
Aventis Holdings, Inc.
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.