US Patent No: 4,246,234

Number of patents in Portfolio can not be more than 2000

Method and apparatus for reducing nitric oxide

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Abstract

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A method and apparatus for reducing nitric oxide in a gas with ammonia in the presence of a base metal catalyst pretreated with sulfur, selenium or a sulfur compound positioned in a reactor. The catalyst is deposited on a substrate or confined between gas-permeable walls and arranged to form open channels through which the nitric oxide-containing gas thereby effects low pressure drop through the reactor.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NEW ENGLAND POWER SERVICE COMPANYWESTBOROUGH, MA6
NORTHEAST UTILITIES SERVICE COMPANYBERLIN, CT4

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Herman, Donald L Coventry, RI 2 28
Kittrell, James R Amherst, MA 13 119

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Patent Info (Count) # Cites Year
 
ABB LUMMUS GLOBAL INC. (3)
6,821,490 Parallel flow gas phase reactor and method for reducing the nitrogen oxide content of a gas 2 2001
6,706,246 System and method for the selective catalytic reduction of nitrogen oxide in a gas stream 4 2001
6,663,839 Radial flow gas phase reactor and method for reducing the nitrogen oxide content of a gas 13 2001
 
UNITED TECHNOLOGIES CORPORATION (2)
4,415,537 Catalytic combustor 9 1982
4,400,356 Combustion catalyst bed 24 1982
 
Martin Marietta Magnesia Specialties Inc. (1)
6,289,827 Process for the control of ash accumulation and corrosivity associated with selective catalytic reduction technology 2 2000
 
Mobil Oil Corporation (1)
5,413,699 FCC process with fines tolerant SCR reactor 15 1993
 
PHYSICAL SCIENCES, INC. (1)
5,120,516 Process for removing NO.sub.x emissions from combustion effluents 5 1990
 
UHDE GMBH (1)
6,890,499 Catalyst for decomposing N2O, its use and method for the production thereof 1 2001

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