Granted Patent
Utility
US 5,089,405 · App. 07/385,084
Process for the preparation of optically active 2-arylpropionic acids and pharmaceutical compositions containing the same
Inventors:
Edith Cerbelaud, Dominique Petre
Patented Case
View Patent ↗
Granted: Feb 18, 1992
Filed: Jul 26, 1989
Inventors
Edith Cerbelaud
Dominique Petre
Assignee (at issue)
Rhone-Poulenc Sante
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.