Granted Patent
Utility
US 6,022,419 · App. 08/723,399
Hydrolysis and fractionation of lignocellulosic biomass
Inventors:
Robert W. Torget, Nandan Padukone, Christos Hatzis, Charles E. Wyman
Patented Case
View Patent ↗
Granted: Feb 8, 2000
Filed: Sep 30, 1996
Inventors
Robert W. Torget
Nandan Padukone
Christos Hatzis
Charles E. Wyman
Assignee (at issue)
Midwest Research Institute, 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.