Granted Patent
Utility
US 4,544,770 · App. 06/512,845
Catalytic hydrogenation
Inventor:
Emil A. Broger
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Jul 11, 1983
Inventor
Emil A. Broger
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.