Granted Patent
Utility
US 5,354,897 · App. 08/015,429
Process for obtaining orthohydroxymandelic acid and its salts
Inventors:
Alain Schouteeten, Yani Christidis
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Feb 12, 1993
Inventors
Alain Schouteeten
Yani Christidis
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.