Granted Patent
Utility
US 5,316,944 · App. 07/915,446
Enzymatic resolution of a racemic mixture of gamma-amino acids using penicillin acylase
Inventor:
Alexey L. Margolin
Patented Case
View Patent ↗
Granted: May 31, 1994
Filed: Jul 17, 1992
Inventor
Alexey L. Margolin
Assignee (at issue)
Merrell Dow Pharmaceuticals 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.