Granted Patent
Utility
US 6,387,836 · App. 09/230,592
Method for renewed activation of honeycomb-shaped catalyst elements for denitrating flue gases
Inventors:
Heinz-Kurt Dörr, Georg Koch, Walter Bastuck
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Mar 8, 1999
Inventors
Heinz-Kurt Dörr
Georg Koch
Walter Bastuck
Assignee (at issue)
SaarEnergie 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.