Granted Patent
Utility
US 4,487,980 · App. 06/489,925
Method for hydrogenating aqueous solutions of carbohydrates
Inventor:
Blaise J. Arena
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Apr 29, 1983
Inventor
Blaise J. Arena
Assignee (at issue)
UOP LLC
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.