Granted Patent
Utility
US 5,488,172 · App. 08/294,895
Chiral phosphorus compounds
Inventors:
Marco Cereghetti, Joseph Foricher, Bernd Heiser, Rudolf Schmid
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Aug 23, 1994
Inventors
Marco Cereghetti
Joseph Foricher
Bernd Heiser
Rudolf Schmid
Assignee (at issue)
HOFFMANN-LA ROCHE INC.
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.