Granted Patent
Utility
US 6,187,278 · App. 09/149,190
Process for controlling ammonia slip in the reduction of sulfur dioxide emission
Inventors:
Gregory N. Brown, Michael L. Mengel, Michael T. Hammer, Raymond Raulfs Gansley
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Sep 8, 1998
Inventors
Gregory N. Brown
Michael L. Mengel
Michael T. Hammer
Raymond Raulfs Gansley
Assignee (at issue)
Marsulex Environmental Technologies Corporation
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.