Granted Patent
Utility
US 5,753,012 · App. 08/735,865
Method for the cleaning of flue gases with different contents of acidic components
Inventors:
Bernhard Firnhaber, Michael Lang, Cort Starck, Wolfgang Schulte
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Oct 23, 1996
Inventors
Bernhard Firnhaber
Michael Lang
Cort Starck
Wolfgang Schulte
Assignee (at issue)
Krupp Koppers 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.