Granted Patent
Utility
US 6,025,292 · App. 09/023,219
Method for the regeneration of a denitration catalyst
Inventors:
Yoshiaki Obayashi, Kouzo Iida, Atsushi Morii, Osamu Naito, Akira Hattori
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Feb 12, 1998
Inventors
Yoshiaki Obayashi
Kouzo Iida
Atsushi Morii
Osamu Naito
Akira Hattori
Assignee (at issue)
MITSUBISHI ELECTRIC 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.