Patents-Review.com
ClassID:

30269 ⎘

B01D2251/208 - CPC Classification

Classification description:

Reactants; Reductants Hydrocarbons

Recent Application in this class:
#1
20260097361
2026-04-09

GAS ABATEMENT APPARATUS AND GAS TREATMENT METHOD

 #2
20260055719
2026-02-26

SYSTEMS AND METHODS FOR CONTROLLING TAILPIPE EXHAUST EMISSIONS

 #3
20250091003
2025-03-20

NITROUS OXIDE DECOMPOSITION METHOD AND NITROUS OXIDE DECOMPOSITION DEVICE

 #4
20240183299
2024-06-06

Exhaust-gas treatment arrangement

 #5
20240165558
2024-05-23

PHOTOCHEMICAL METHOD AND DEVICE FOR VOLATILE ORGANIC COMPOUND POLLUTION CONTROL

 #6
20240157348
2024-05-16

SYSTEM FOR THE TREATMENT OF AN EXHAUST GAS OF A DIESEL COMBUSTION ENGINE

 #7
20240024814
2024-01-25

PHOTOCHEMICAL METHOD AND DEVICE FOR VOLATILE ORGANIC COMPOUND POLLUTION CONTROL

 #8
20230415098
2023-12-28

Photochemical method and device for volatile organic compound pollution control

 #9
20230360511
2023-11-09

Methods and systems for automatically generating a remedial action in an industrial facility

 #10
20230287816
2023-09-14

Systems and methods for desulfation of catalysts included in aftertreatment systems

 #11
20230219039
2023-07-13

EXHAUST GAS TREATMENT SYSTEM COMPRISING A MULTIFUNCTIONAL CATALYST

 #12
20230043178
2023-02-09

METHOD FOR TREATING EXHAUST GAS OF THERMAL POWER PLANT

 #13
20220362711
2022-11-17

OPTIMISING OPERATING CONDITIONS IN AN ABATEMENT APPARATUS

 #14
20220331736
2022-10-20

Redox reaction facilitated carbon dioxide capture from flue gas and conversion to carbon monoxide

 #15
20220178288
2022-06-09

Systems and methods for determining amount of reductant deposits in aftertreatment systems

 #16
20220178286
2022-06-09

Systems and methods for desulfation of catalysts included in aftertreatment systems

 #17
20220010960
2022-01-13

Abatement

 #18
20210199633
2021-07-01

Method for measuring a degree of homogeneity of oils using back titration and measuring apparatus using the same

 #19
20210079494
2021-03-18

Method for reducing nitrogen oxides in strip treatment furnaces

 #20
20200368685
2020-11-26

PROCESS AND APPARATUS FOR TREATMENT OF GAS STREAMS CONTAINING NITROGEN OXIDES

 #21
20200368684
2020-11-26

Process for the removal of dinitrogen oxide in process off-gas

 #22
20200140280
2020-05-07

PURIFICATION SYSTEMS AND METHODS FOR CARBON DIOXIDE PRODUCTION

 #23
20190321776
2019-10-24

Method for flue gas desulfurization with molten carbonate

 #24
20190270077
2019-09-05

Method for forming lanthanum hydroxycarbonate nanoparticles

 #25
20190270076
2019-09-05

Method for making LaCO3OH nanoparticles from aqueous salt solutions

 #26
20190185175
2019-06-20

Contaminant removal for catalytic fuel tank inerting system

 #27
20190105594
2019-04-11

Integrated carbon capture and conversion for production of syngas

 #28
20190022577
2019-01-24

Plasma abatement of compounds containing heavy atoms

 #29
20190010403
2019-01-10

Hydrogen sulfide scavenging additive composition and method of use thereof

 #30
20190001270
2019-01-03

Sensor configuration for aftertreatment system including SCR on filter

 #31
20180353904
2018-12-13

Composition made from urea for treating exhaust gases

 #32
20180318758
2018-11-08

Plasma abatement of compounds containing heavy atoms

 #33
20180207623
2018-07-26

Metal tungstates for use as nitrogen oxides reduction catalysts

 #34
20180119024
2018-05-03

METHODS FOR TREATING BITUMEN MIXTURES

 #35
20180043299
2018-02-15

Process for removing COfrom crude natural gas

 #36
20170368541
2017-12-28

Molecular sieve catalyst compositions, catalyst composites, systems, and methods

 #37
20170352243
2017-12-07

Methods and systems for automatically generating a remedial action in an industrial facility

 #38
20170350288
2017-12-07

Product for the depollution of exhaust gases, especially from an internal combustion engine, and method for the depollution of exhaust gases using said product

 #39
20170348638
2017-12-07

SYSTEM AND METHOD OF REDUCING OXYGEN CONCENTRATION IN AN EXHAUST GAS STREAM

 #40
20170122226
2017-05-04

Multi-pulse injection events for a dual-fuel engine

 #41
20170095804
2017-04-06

Method for producing metal exchanged zeolites by solid-state ion exchange at low temperatures

 #42
20170074140
2017-03-16

GAS/LIQUID MIXING DEVICE FOR EXHAUST AFTERTREATMENT

 #43
20170037760
2017-02-09

Cordierite-type ceramic honeycomb structure and its production method

 #44
20170001181
2017-01-05

Catalyst for purifying combustion exhaust gas, and method for purifying combustion exhaust gas

 #45
20160369681
2016-12-22

Exhaust gas purifying device

 #46
20160346770
2016-12-01

Cerium-modified manganese octahedral molecular sieves as catalysts for selective catalytic reduction

 #47
20160346731
2016-12-01

Exhaust gas purification catalyst for lean burn engine

 #48
20160339386
2016-11-24

Reactive composition based on sodium bicarbonate and process for its production

 #49
20160339370
2016-11-24

Fluid reservoir having inlet filtering

 #50
20160305303
2016-10-20

On-site regeneration method of denitration catalyst in exhaust gas purification system

 #51
20160296924
2016-10-13

Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NO

 #52
20160288094
2016-10-06

SCR catalyst

 #53
20160279570
2016-09-29

Non-catalytic denitration device and non-catalytic denitration method

 #54
20160250577
2016-09-01

Cordierite-type ceramic honeycomb structure and its production method

 #55
20160237523
2016-08-18

Method and plant for removing arsenic and/or antimony from flue dusts

 #56
20160236145
2016-08-18

FLUE GAS TREATMENT METHOD AND DENITRATION/SO3 REDUCTION APPARATUS

 #57
20160230635
2016-08-11

Diagnostic device for an oxidation catalyst

 #58
20160177798
2016-06-23

Exhaust purification system of internal combustion engine

 #59
20160151772
2016-06-02

Zeolite, and production method and use therefor

 #60
20160121310
2016-05-05

Exhaust gas purification catalyst composition and exhaust gas purification catalyst

 #61
20160115891
2016-04-28

Exhaust gas purification apparatus of internal combustion engine

 #62
20150367337
2015-12-24

Molecular sieve catalyst compositions, catalytic composites, systems, and methods

 #63
20150367336
2015-12-24

Molecular sieve catalyst compositions, catalyst composites, systems, and methods

 #64
20150367284
2015-12-24

EXHAUST GAS TREATMENT APPARATUS

 #65
20150360178
2015-12-17

Base metal catalyst

 #66
20150360175
2015-12-17

Air preheating and NOx reduction integrated reactor and reaction method

 #67
20150352496
2015-12-10

Exhaust gas purifier

 #68
20150352482
2015-12-10

Method for treating sulphur-containing exhaust gases and device thereof

 #69
20150343376
2015-12-03

Elimination of ammonia and lower alkanes and/or hydrogen from waste gas streams in industrial plants

 #70
20150322834
2015-11-12

Exhaust purification system of internal combustion engine

 #71
20150308676
2015-10-29

Integrated carbon dioxide conversion system for connecting oxyfuel combustion and catalytic conversion process

 #72
20150251133
2015-09-10

Plasma abatement of compounds containing heavy atoms

 #73
20150151245
2015-06-04

Sulphur dioxide treatment

 #74
20150128576
2015-05-14

Exhaust gas purification system and exhaust gas purification method

 #75
20150098881
2015-04-09

Process for reducing the nitrogen oxide off-gas concentration in a nitric acid plant during shut-down and/or start-up, and nitric acid plant suitable therefor

 #76
20150093311
2015-04-02

Exhaust aftertreatment system and method pertaining to such a system

 #77
20150033711
2015-02-05

Systems, methods, and apparatuses related to vehicles with reduced emissions

 #78
20150030515
2015-01-29

Process and apparatus for treatment of gas streams containing nitrogen oxides

 #79
20140369890
2014-12-18

Fuel reformer and exhaust gas purifier using the same

 #80
20140335005
2014-11-13

Method of removing sulfur oxides and nitrogen oxides in the flue gas

 #81
20140325962
2014-11-06

Diesel engine exhaust gas purification method and exhaust gas purification system

 #82
20140318102
2014-10-30

Exhaust aftertreatment system where an activator material is added to the reductant fed to the catalytic converter

 #83
20140314645
2014-10-23

SCR catalyst ammonia surface coverage estimation and control

 #84
20140260208
2014-09-18

Exhaust gas purifier

 #85
20140219896
2014-08-07

Heat generation system for determining a selective catalytic reduction device efficiency

 #86
20140127101
2014-05-08

Exhaust purification system of internal combustion engine

 #87
20140112851
2014-04-24

Supplemental ammonia storage and delivery system

 #88
20140100106
2014-04-10

Catalyst for decomposing nitrogen oxide and preparation method thereof

 #89
20140044633
2014-02-13

Catalytic reduction of NOx with high activity catalysts with propylene reductant

 #90
20140023577
2014-01-23

Method for treating a carbon dioxide-containing waste gas from an electrofusion process

 #91
20140010748
2014-01-09

System using selective catalytic reduction for improving low-temperature De-NOx efficiency and reducing yellow plume

 #92
20140007557
2014-01-09

Exhaust purification system of internal combustion engine

 #93
20130343959
2013-12-26

COMMON RAIL REDUCTANT INJECTION SYSTEM

 #94
20130287664
2013-10-31

Method for exhaust gas after treatment

 #95
20130264187
2013-10-10

Conversion of carbon dioxide into useful organic products by using plasma technology

 #96
20130243658
2013-09-19

Exhaust purification system of internal combustion engine

 #97
20130213014
2013-08-22

Reducing agent injection valve abnormality detection unit and reducing agent supply apparatus

 #98
20130183202
2013-07-18

Exhaust purification system of internal combustion engine

 #99
20130149205
2013-06-13

Exhaust purification system of internal combustion engine

 #100
20130142727
2013-06-06

Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NO

 #101
20130136659
2013-05-30

Exhaust purification system of internal combustion engine

 #102
20130129575
2013-05-23

Catalyst and method of manufacture

 #103
20130121885
2013-05-16

Exhaust purification system of internal combustion engine

 #104
20130115141
2013-05-09

Device for discharging exhaust gas from diesel engine, having ammonolysis module

 #105
20130115138
2013-05-09

Exhaust purification system of internal combustion engine

 #106
20130081378
2013-04-04

Exhaust purification system of internal combustion engine

 #107
20130074475
2013-03-28

Exhaust purification system of internal combustion engine

 #108
20130058840
2013-03-07

Exhaust purification system of internal combustion engine

 #109
20130052087
2013-02-28

Exhaust purification system of internal combustion engine

 #110
20130052086
2013-02-28

Exhaust purification system of internal combustion engine

 #111
20130042615
2013-02-21

Advanced method and apparatus for addressing the serious pollution from existing coal-burning power stations

 #112
20130034468
2013-02-07

Exhaust purification system of internal combustion engine

 #113
20130025264
2013-01-31

Exhaust gas purification device

 #114
20130022512
2013-01-24

Exhaust purification system of internal combustion engine

 #115
20130011302
2013-01-10

Exhaust purification system of internal combustion engine

 #116
20130004399
2013-01-03

Process for disposal of hexachlorodisilane-containing vapors

 #117
20130000284
2013-01-03

Exhaust purification system of internal combustion engine

 #118
20120302439
2012-11-29

ENGINE EXHAUST CATALYSTS DOPED WITH BISMUTH OR MANGANESE

 #119
20120275963
2012-11-01

Exhaust purification system of internal combustion engine

 #120
20120230899
2012-09-13

Mixed metal oxide catalyst for decomposition of nitrogen oxides

 #121
20120220447
2012-08-30

Method for making a catalyst composition

 #122
20120219487
2012-08-30

Method for adsorbing and decomposing lean nitrogen oxide using a mixed metal oxide catalyst

 #123
20120204541
2012-08-16

EXHAUST MIXER ELEMENT AND METHOD FOR MIXING

 #124
20120201732
2012-08-09

Ce containing, V-free mobile denox catalyst

 #125
20120171096
2012-07-05

Systems and methods for high efficiency regenerative selective catalytic reduction

 #126
20120151901
2012-06-21

Fuel addition control method applied to exhaust emission purifier of internal combustion engine and exhaust emission purifier

 #127
20120128562
2012-05-24

Treating catalysts

 #128
20120124971
2012-05-24

Exhaust purification system of internal combustion engine

 #129
20120117948
2012-05-17

Exhaust gas aftertreatment

 #130
20120107207
2012-05-03

Systems and methods for enhanced selective catalytic reduction of NO

 #131
20120107204
2012-05-03

Combined slip catalyst and hydrocarbon exotherm catalyst

 #132
20120093703
2012-04-19

CATALYST AND METHOD OF MANUFACTURE

 #133
20120090303
2012-04-19

Exhaust purification system of internal combustion engine

 #134
20120087851
2012-04-12

P/S-TM-comprising zeolites for decomposition of NO

 #135
20120087838
2012-04-12

Catalyst and method of manufacture

 #136
20120082607
2012-04-05

Hydrocarbon selective catalytic reduction catalyst for NOemissions control

 #137
20120082606
2012-04-05

Catalyst and method of manufacture

 #138
20120082605
2012-04-05

Exhaust treatment system and method of operation

 #139
20120058013
2012-03-08

Model based tempering air control and enhancement of exhaust for select catalytic reduction

 #140
20120055138
2012-03-08

Methods for engine exhaust NOx control using no oxidation in the engine

 #141
20120042636
2012-02-23

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

 #142
20120031083
2012-02-09

APPARATUS FOR TREATING DIESEL ENGINE EXHAUST GAS

 #143
20120015801
2012-01-19

PROCESS FOR PREPARATION OF A ZEOLITE-BASED CATALYST

 #144
20110305613
2011-12-15

Fe-BEA/Fe-MFI mixed zeolite catalyst and process for the treatment of NOin gas streams

 #145
20110283686
2011-11-24

Mixer and exhaust system

 #146
20110283680
2011-11-24

Method for purification of exhaust gas from a diesel engine

 #147
20110274606
2011-11-10

Thermally regenerable nitric oxide adsorbent

 #148
20110262329
2011-10-27

SCR catalyst ammonia surface coverage estimation and control

 #149
20110239624
2011-10-06

Apparatus and method for regenerating an exhaust filter

 #150
20110239622
2011-10-06

EMISSION TREATMENT SYSTEM AND METHOD OF OPERATION

 #151
20110209462
2011-09-01

Exhaust purification system of internal combustion engine

 #152
20110200515
2011-08-18

Catalyst containment unit

 #153
20110183839
2011-07-28

Catalyst for cleaning up nitrogen oxides and a method for producing same

 #154
20110182789
2011-07-28

Exhaust gas aftertreatment system

 #155
20110182780
2011-07-28

Hydrazine filtration method and system

 #156
20110166015
2011-07-07

Process for preparing catalyst powder

 #157
20110154808
2011-06-30

EXHAUST GAS PURIFICATION APPARATUS FOR DIESEL ENGINE

 #158
20110131952
2011-06-09

Exhaust gas purifying system and exhaust gas purifying method using the same

 #159
20110107749
2011-05-12

EXHAUST GAS PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE

 #160
20110100215
2011-05-05

Method and Apparatus for the Catalytic Reduction of Flue Gas NOx

 #161
20110099980
2011-05-05

Method for controlling exhaust gas purification device

 #162
20110047995
2011-03-03

CATALYST AND METHOD OF MANUFACTURE

 #163
20110047990
2011-03-03

Exhaust gas purifier and system for exhaust gas purification

 #164
20110047988
2011-03-03

Catalyst and method of manufacture

 #165
20110041517
2011-02-24

Method for reforming exhaust gas generated from metallurgical furnace, method for cooling exhaust gas and apparatus therefor

 #166
20110041479
2011-02-24

Exhaust gas purification method and exhaust gas purification system

 #167
20110008230
2011-01-13

Systems and methods for high efficiency regenerative selective catalytic reduction

 #168
20110000191
2011-01-06

EXHAUST GAS TREATMENT SYSTEM AND METHOD

 #169
20100307132
2010-12-09

Method for controlling exhaust gas purification system and exhaust gas purification system

 #170
20100303699
2010-12-02

Method of removing NO from waste gas

 #171
20100287918
2010-11-18

NOadsorbing apparatus and exhaust-gas converting apparatus

 #172
20100286463
2010-11-11

Process and Apparatus for the Pyrolytic Conversion of Organic Halides to Hydrogen Halides

 #173
20100284875
2010-11-11

Treatment of power utilities exhaust

 #174
20100276223
2010-11-04

Hybrid vehicle exhaust control strategy

 #175
20100260652
2010-10-14

Catalyst for removing nitrogen oxides and method for removing nitrogen oxides using the same

 #176
20100257845
2010-10-14

Exhaust purification device for internal combustion engine

 #177
20100251697
2010-10-07

Exhaust gas purification system for internal combustion engine

 #178
20100242438
2010-09-30

Exhaust gas treatment system including a four-way catalyst and urea SCR catalyst and method of using the same

 #179
20100236224
2010-09-23

Emissions treatment system with lean NOx trap

 #180
20100229531
2010-09-16

Apparatus, system, and method for controlling reductant dosing in an SCR catalyst system

 #181
20100223919
2010-09-09

NOx reduction catalyst and exhaust system using the same

 #182
20100223916
2010-09-09

Exhaust gas purification device

 #183
20100218486
2010-09-02

EXHAUST GAS PURIFICATION DEVICE

 #184
20100209329
2010-08-19

CATALYST FOR PRODUCING AMMONIA FROM HYDROCARBON AND NITROGEN OXIDES

 #185
20100205947
2010-08-19

S storage catalyst and exhaust-gas converting apparatus

 #186
20100205944
2010-08-19

EXHAUST EMISSION CONTROL DEVICE

 #187
20100205935
2010-08-19

Reducing coking over Ag/AlOHC-SCR catalyst

 #188
20100205927
2010-08-19

Apparatus for a nitrogen purge system

 #189
20100204905
2010-08-12

Control unit of diesel engine

 #190
20100192547
2010-08-05

Exhaust emission control device

 #191
20100192544
2010-08-05

Exhaust gas purification apparatus in an internal combustion engine

 #192
20100186378
2010-07-29

EXHAUST GAS PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE

 #193
20100178216
2010-07-15

Exhaust gas purification apparatus

 #194
20100178215
2010-07-15

Exhaust gas purification apparatus

 #195
20100146950
2010-06-17

Exhaust gas purification device

 #196
20100146937
2010-06-17

Exhaust purification device of internal combustion engine

 #197
20100140137
2010-06-10

FUEL CONVERSION SYSTEM, APPARATUS, AND METHOD

 #198
20100132340
2010-06-03

Exhaust gas purifying apparatus for internal combustion engine

 #199
20100132337
2010-06-03

EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

 #200
20100126143
2010-05-27

Dual bed catalyst system for NOx reduction in lean-burn engine exhaust

 #201
20100122527
2010-05-20

Exhaust gas purification apparatus for internal combustion engine

 #202
20100095682
2010-04-22

Removing Particulate Matter From Air

 #203
20100095591
2010-04-22

EMISSIONS CONTROL SYSTEM AND METHOD

 #204
20100089040
2010-04-15

Exhaust emission purifier of internal combustion engine

 #205
20100077736
2010-04-01

EXHAUST PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE

 #206
20100058741
2010-03-11

EXHAUST PURIFICATION DEVICE OF INTERNAL COMBUSTION ENGINE

 #207
20100050874
2010-03-04

Exhaust after treatment system and method

 #208
20100050616
2010-03-04

EXHAUST AFTERTREATMENT SYSTEM

 #209
20100050613
2010-03-04

Process for reducing NOx emissions from engine exhaust using LNT and SCR components

 #210
20100031636
2010-02-11

Exhaust emission purification control device for internal combustion engine

 #211
20100024400
2010-02-04

EMISSION CONTROL SYSTEM AND METHOD

 #212
20100018190
2010-01-28

Particulate filter regenerating system

 #213
20100008838
2010-01-14

METHODS AND APPARATUS FOR ABATING ELECTRONIC DEVICE MANUFACTURING PROCESS EFFLUENT

 #214
20100000202
2010-01-07

Dual catalyst NOx reduction system for exhaust from lean burn internal combustion engines

 #215
20090318283
2009-12-24

CATALYST COMPOSITION AND METHOD

 #216
20090308053
2009-12-17

Exhaust purification device of internal combustion engine

 #217
20090301063
2009-12-10

Exhaust gas purification device

 #218
20090297418
2009-12-03

Composite Catalyst Materials And Method For The Selective Reduction Of Nitrogen Oxides

 #219
20090288400
2009-11-26

Exhaust gas purifying device for diesel engine

 #220
20090288393
2009-11-26

Exhaust gas purification apparatus of internal combustion engine

 #221
20090272100
2009-11-05

Exhaust purification device of internal combustion engine

 #222
20090266057
2009-10-29

Exhaust purification device of an internal combustion engine

 #223
20090260346
2009-10-22

METHOD FOR PURIFICATION OF AN EXHAUST GAS FROM A DIESEL ENGINE

 #224
20090255236
2009-10-15

Low temperature hydrocarbon SCR

 #225
20090249768
2009-10-08

Exhaust Purification System of Internal Combustion Engine

 #226
20090235644
2009-09-24

Method of controlling exhaust gas purification system, and exhaust gas purification system

 #227
20090223207
2009-09-10

Perturbation control strategy for low-temperature urea SCR NOx reduction

 #228
20090211232
2009-08-27

Emission treatment systems and methods using passivated surfaces

 #229
20090194741
2009-08-06

Exhaust system having a carbon oxide catalyst

 #230
20090193793
2009-08-06

Exhaust emission purifying apparatus for engine

 #231
20090188236
2009-07-30

Exhaust gas purifying device

 #232
20090165445
2009-07-02

Exhaust gas purification method and exhaust gas purification system

 #233
20090159456
2009-06-25

Separating gas using ion exchange

 #234
20090151340
2009-06-18

EXHAUST GAS PURIFICATION DEVICE

 #235
20090151331
2009-06-18

Exhaust purification device of internal combustion engine

 #236
20090142243
2009-06-04

Methods and systems for reducing the emissions from combustion gases

 #237
20090139215
2009-06-04

Methods for reducing emissions from diesel engines

 #238
20090130011
2009-05-21

Systems and methods for removing materials from flue gas via regenerative selective catalytic reduction

 #239
20090107122
2009-04-30

Method for purification of exhaust gas from internal combustion engine

 #240
20090084091
2009-04-02

Exhaust purification device of an internal combustion engine

 #241
20090082938
2009-03-26

Control method of exhaust gas purification system and exhaust gas purification system

 #242
20090075813
2009-03-19

CATALYST AND METHOD OF MANUFACTURE

 #243
20090074641
2009-03-19

Catalyst and method of manufacture

 #244
20090071130
2009-03-19

Fuel addition control method applied to exhaust emission purifier of internal combustion engine and exhaust emission purifier

 #245
20090056318
2009-03-05

Method and device for controlling exhaust emission from internal combustion engine

 #246
20090056316
2009-03-05

Exhaust gas purification method and exhaust gas purification system

 #247
20090047199
2009-02-19

Method for zonal injection of chemicals into a furnace convective pass to reduce pollutants from flue gases

 #248
20090038290
2009-02-12

EXHAUST GAS PURIFICATION DEVICE

 #249
20090031707
2009-02-05

Exhaust gas purification apparatus for internal combustion engine

 #250
20090025367
2009-01-29

Physical based LNT regeneration strategy

 #251
20090011177
2009-01-08

Exhaust gas cleaning catalyst and process for producing the same

 #252
20090004080
2009-01-01

Configurations and methods for SOremoval in oxygen-containing gases

 #253
20080317652
2008-12-25

Emission control system internal to a boiler

 #254
20080271604
2008-11-06

Ozone resistant O/Nseparation membranes

 #255
20080271438
2008-11-06

Engine-driven vehicle with exhaust emission control

 #256
20080241034
2008-10-02

Method for reducing the nitrogen oxide concentration in gases

 #257
20080236146
2008-10-02

Method And Apparatus For Regenerating NOx Adsorbers

 #258
20080236142
2008-10-02

Method and apparatus for exhaust gas purifying using hydrocarbon-selective catalytic reduction

 #259
20080213145
2008-09-04

Method of decomposing nitrogen dioxide

 #260
20080193358
2008-08-14

Method for the Production of a Catalytically Active Mineral on the Basis of a Tectosilicate

 #261
20080190078
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Device for purifying exhaust gas of an internal combustion engine

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Catalysts to reduce NOin an exhaust gas stream and methods of preparation

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Catalysts, systems and methods to reduce NOX in an exhaust gas stream

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Method for purification of exhaust gas from internal-combustion engine

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Exhaust Purification System of Internal Combustion Engine

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Method and apparatus for combination catalyst for reduction of NOin combustion products

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Method and apparatus for reducing pollutants in engine exhaust

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Catalyst for exhaust gas purification

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Exhaust gas purifying catalyst and process for purifying exhaust gas

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Exhaust gas purification system

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Nitrogen oxides-removing material and device

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Exhaust gas purifying catalyst and process for purification of exhaust gas

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Exhaust gas clarifying device for internal combustion engine

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Silver doped catalysts for treatment of exhaust

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Method and apparatus for regenerating NOx adsorbers

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