Granted Patent
Utility
US 5,730,837 · App. 08/348,469
Method of separating lignocellulosic material into lignin, cellulose and dissolved sugars
Inventors:
Stuart K. Black, Bonnie Hames, Michele D. Myers
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Dec 2, 1994
Inventors
Stuart K. Black
Bonnie Hames
Michele D. Myers
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.