Granted Patent
Utility
US 5,158,789 · App. 07/742,966
Melt cocrystallized sorbitol/xylitol compositions
Inventor:
James W. DuRoss
Patented Case
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Granted: Oct 27, 1992
Filed: Aug 9, 1991
Inventor
James W. DuRoss
Assignee (at issue)
ICI Americas, 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.