Granted Patent
Utility
US 6,790,241 · App. 10/220,071
Mediator systems based on mixed metal complexes, used for reducing dyes
Inventors:
Thomas Bechtold, Eduard Burtscher, Wolfgang Schrott, Norbert Grund, Peter Maier, Georg Schnitzer, Franz Sütsch
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Oct 15, 2002
Inventors
Thomas Bechtold
Eduard Burtscher
Wolfgang Schrott
Norbert Grund
Peter Maier
Georg Schnitzer
Franz Sütsch
Assignee (at issue)
DyStar Textilfarben GmbH & Co. Deutschland KG
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.