Granted Patent
Utility
US 6,147,206 · App. 09/039,153
Isolation of hemicellulose from corn fiber
Inventors:
Landis W. Doner, Gregory A. Sweeney, Kevin B. Hicks
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Mar 13, 1998
Inventors
Landis W. Doner
Gregory A. Sweeney
Kevin B. Hicks
Assignee (at issue)
National Starch and Chemical Investment Holding Copporation
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.