Granted Patent
Utility
US 4,609,623 · App. 06/617,738
Microbiologically produced D-2-hydroxy-4-methylpentanoic acid dehydrogenase, process for its production and its use
Inventors:
Wolfgang Leuchtenberger, Werner Hummel, Maria-Regina Kula, Horst Schutte
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Jun 6, 1984
Inventors
Wolfgang Leuchtenberger
Werner Hummel
Maria-Regina Kula
Horst Schutte
Assignees (at issue)
Degussa AG
Society for Biotechnical Research
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.