Granted Patent
Utility
US 5,811,550 · App. 08/897,650
Process for the preparation of a 1,3-oxazolidine-5-carboxylic acid
Inventors:
Jean-Noel Denis, Andrew-Elliot Greene, Alice Kanazawa
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Jul 21, 1997
Inventors
Jean-Noel Denis
Andrew-Elliot Greene
Alice Kanazawa
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.