Granted Patent
Utility
US 5,489,705 · App. 08/416,329
Sodium salt of 1-menthyloxycarbonyl 1-hydroxy methanesulphonic acid, its preparation process and its use for obtaining L(-)menthyl glyoxylate
Inventor:
Alain Schouteeten
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Apr 4, 1995
Inventor
Alain Schouteeten
Assignee (at issue)
Societe Francaise Hoechst
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.