Granted Patent
Utility
US 6,570,043 · App. 09/845,646
Converting sugars to sugar alcohols by aqueous phase catalytic hydrogenation
Inventors:
Douglas C. Elliott, Todd Werpy, Yong Wang, John G. Frye, Jr.
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Apr 27, 2001
Inventors
Douglas C. Elliott
Todd Werpy
Yong Wang
John G. Frye, Jr.
Assignee (at issue)
Battelle Memorial Institute
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.