Granted Patent
Utility
US 5,434,285 · App. 08/104,023
Chiral phosphinite-boranes and their preparation and use
Inventors:
Jean-Alex Laffitte, Sylvain Juge, Jean-Pierre Genet, Massoud Stephan
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Oct 7, 1993
Inventors
Jean-Alex Laffitte
Sylvain Juge
Jean-Pierre Genet
Massoud Stephan
Assignee (at issue)
Societe Nationale Elf Aquitaine
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.