Granted Patent
Utility
US 4,243,598 · App. 06/074,191
Synthesis of vitamin E
Inventors:
Gary L. Olson, Gabriel Saucy
Patented Case
View Patent ↗
Granted: Jan 6, 1981
Filed: Sep 10, 1979
Inventors
Gary L. Olson
Gabriel Saucy
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.