Granted Patent
Utility
US 4,868,307 · App. 07/127,953
Derivatives of bicyclic aminocarboxylic acids
Inventors:
Derek H. R. Barton, Pierre Potier, Yolande Herve, Josiane Thierry
Patented Case
View Patent ↗
Granted: Sep 19, 1989
Filed: Dec 2, 1987
Inventors
Derek H. R. Barton
Pierre Potier
Yolande Herve
Josiane Thierry
Assignee (at issue)
Hoechst GmbH
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.