Granted Patent
Utility
US 4,305,876 · App. 05/963,613
Process for the manufacture of tertiary, optically active aliphatic compounds
Inventors:
Richard Barner, Walter Boguth, Hans Leuenberger, Max Schmid, Reinhard Zell
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Nov 24, 1978
Inventors
Richard Barner
Walter Boguth
Hans Leuenberger
Max Schmid
Reinhard Zell
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.