Granted Patent
Utility
US 6,498,248 · App. 09/392,943
Low temperature non-crystallizing liquid xylitol compositions and co-hydrogenation processes for making same
Inventors:
Mary Lou Cunningham, Charles E. Kuenzle, Marguerite Yang, Peter B. Jamieson
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Sep 9, 1999
Inventors
Mary Lou Cunningham
Charles E. Kuenzle
Marguerite Yang
Peter B. Jamieson
Assignee (at issue)
SPI Polyols, 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.