Granted Patent
Utility
US 4,366,332 · App. 06/227,036
Catalytic hydrogenolysis of alditols to product glycerol and polyols
Inventors:
James C. Chao, Derk T. A. Huibers
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Jan 21, 1981
Inventors
James C. Chao
Derk T. A. Huibers
Assignee (at issue)
Hydrocarbon Research, 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.