Granted Patent
Utility
US 4,886,914 · App. 06/760,524
Process for synthesis of alpha aklyl amino aldehydes
Inventors:
Bertrand Castro, Jean-Alain Fehrentz
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Jul 30, 1985
Inventors
Bertrand Castro
Jean-Alain Fehrentz
Assignee (at issue)
Sanofi
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.