Granted Patent
Utility
US 5,736,385 · App. 08/556,085
Method for producing optically active .alpha.-hydroxy acid or .alpha.-hydroxyamide using a cyano ion detector and substrate concentration regulator
Inventor:
Koji Tamura
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Nov 9, 1995
Inventor
Koji Tamura
Assignee (at issue)
Nitto Chemical Industry Co., Ltd.
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.