Granted Patent
Utility
US 5,426,215 · App. 08/213,477
Process for converting [R(-)-2(3-benzoylphenyl)-propionic acid to the S(+) isomer]
Inventors:
Claude Bertrand, Elie Fouque, Isidore Le Fur, Jean-Paul Richard
Patented Case
View Patent ↗
Granted: Jun 20, 1995
Filed: Mar 16, 1994
Inventors
Claude Bertrand
Elie Fouque
Isidore Le Fur
Jean-Paul Richard
Assignee (at issue)
RHONE-POULENC RORER S.A.
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.