Granted Patent
Utility
US 5,139,795 · App. 07/743,487
Melt crystallized xylitol
Inventor:
James W. DuRoss
Patented Case
View Patent ↗
Granted: Aug 18, 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.