Granted Patent
Utility
US 4,504,672 · App. 06/204,104
Catalytic process for the conversion of toluene to equimolar amounts of phenyl acetate and methylene diacetate
Inventors:
James E. Lyons, George Suld, Robert W. Shinn
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: Nov 5, 1980
Inventors
James E. Lyons
George Suld
Robert W. Shinn
Assignee (at issue)
SUNTEC CO., LTD.
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.