Granted Patent
Utility
US 6,258,209 · App. 08/906,524
Multi-component system for modifying, degrading or bleaching lignin, lignin-containing materials or similar substances
Inventors:
Jürgen Stohrer, Hans-Peter Call, Johannes Freudenreich, Manfred Amann, Robert Muller
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Aug 5, 1997
Inventors
Jürgen Stohrer
Hans-Peter Call
Johannes Freudenreich
Manfred Amann
Robert Muller
Assignee (at issue)
Consortium für elektrochemische Industrie GmbH
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.