Granted Patent
Utility
US 6,224,839 · App. 09/498,232
Method for the treatment of activated carbonaceous material containing alkali/alkaline earth metals for the reduction of NOx from flue gas
Inventors:
Liang-Shih Fan, Himanshu Gupta
Patented Case
View Patent ↗
Granted: May 1, 2001
Filed: Feb 3, 2000
Inventors
Liang-Shih Fan
Himanshu Gupta
Assignee (at issue)
OHIO STATE UNIVERSITY
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.