Granted Patent
Utility
US 4,664,718 · App. 06/904,124
Process for separating arabinose from a pentose/hexose mixture
Inventor:
Chin-Hsiung Chang
Patented Case
View Patent ↗
Granted: May 12, 1987
Filed: Sep 5, 1986
Inventor
Chin-Hsiung Chang
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.