Granted Patent
Utility
US 4,259,441 · App. 06/076,211
Process for resolving D, L-leucine
Inventor:
Dennis P. Bauer
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Sep 17, 1979
Inventor
Dennis P. Bauer
Assignee (at issue)
Ethyl Corporation
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.