Granted Patent
Utility
US 4,530,903 · App. 06/531,725
L-2-hydroxy-4-methylpentanoic acid-dehydrogenase, process for obtaining it and its use
Inventors:
Wolfgang Leuchtenberger, Maria-Regina Kula, Werner Hummel, Horst Schutte
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Sep 13, 1983
Inventors
Wolfgang Leuchtenberger
Maria-Regina Kula
Werner Hummel
Horst Schutte
Assignee (at issue)
Degussa Aktiengelleschaft
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.