ClassID:

138153

F01N2510/0684 - CPC Classification

Classification description:

Surface coverings for exhaust purification, e.g. catalytic reaction characterised by the distribution of the catalytic coatings having more than one coating layer, e.g. multi-layered coatings

Recent Application in this class:
#1
20260102739
2026-04-16

CATALYST FOR THE TREATMENT OF AN EXHAUST GAS STREAM CONTAINING ONE OR MORE OF FORMALDEHYDE, NITROGEN OXIDE (NO), AND HYDROCARBONS COMPRISING MN SUPPORTED ON A CUO-AL2O3 MIXED OXIDE

#2
20260097363
2026-04-09

Catalyst for Exhaust Gas Purification

#3
20260070045
2026-03-12

CU ZEOLITE SELECTIVE CATALYTIC REDUCTION CATALYSTS AND METHODS FOR EXHAUST GAS TREATMENT

#4
20260042085
2026-02-12

NH3 ABATEMENT WITH GREATER SELECTIVITY TO N2

#5
20250360499
2025-11-27

A DIESEL OXIDATION CATALYST AND A METHOD FOR ITS MANUFACTURE

#6
20250303402
2025-10-02

CATALYTIC WALL FLOW FILTER

#7
20250154890
2025-05-15

Catalytic wall-flow filter

#8
20250050318
2025-02-13

RHODIUM-FREE TWC CATALYTIC ARTICLE

#9
20250041839
2025-02-06

CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTRATION EFFICIENCY

#10
20240424445
2024-12-26

ZONED THREE-WAY CONVERSION CATALYSTS COMPRISING PLATINUM, PALLADIUM, AND RHODIUM

#11
20240399353
2024-12-05

EXHAUST GAS PURIFICATION CATALYST

#12
20240399309
2024-12-05

CATALYTIC WALL FLOW FILTER

#13
20240375048
2024-11-14

EXHAUST GAS PURIFICATION CATALYST DEVICE

#14
20240342655
2024-10-17

Catalytic Article for Ammonia Slip Removal From Diesel Exhaust Aftertreatment Systems With Low Weight and Faster Heating

#15
20240287923
2024-08-29

Catalytic wall flow filter

#16
20240280038
2024-08-22

Particulate filter

#17
20240269614
2024-08-15

PARTICULATE FILTER

#18
20240269612
2024-08-15

SULFUR-CONTAINING ORGANIC COMPOUND ASSISTED METAL NANOPARTICLE SYNTHESIS FOR THREE-WAY CATALYSIS APPLICATION

#19
20240226864
2024-07-11

AMMONIA SLIP CATALYST FILTER

#20
20240165561
2024-05-23

AN AMMONIA OXIDATION CATALYST AND METHODS FOR ITS PREPARATION

#21
20240035407
2024-02-01

Exhaust gas treatment system including a multifunctional catalyst

#22
20230398532
2023-12-14

THREE-WAY DIESEL CATALYST FOR COLD START TECHNOLOGY

#23
20230338940
2023-10-26

PERFORMANCE ENHANCEMENT OF A PLATINUM-CONTAINING CATALYST VIA EXHAUST GAS HYDROGEN ENRICHMENT

#24
20230330638
2023-10-19

LAYERED CATALYTIC ARTICLE AND PROCESS FOR PREPARING THE CATALYTIC ARTICLE

#25
20230321636
2023-10-12

OXIDATION CATALYST COMPRISING A PLATINUM GROUP METAL AND A BASE METAL OR METALLOID OXIDE

#26
20230285899
2023-09-14

Catalytically active particulate filter

#27
20230211323
2023-07-06

Composite, zone-coated, dual-use ammonia (AMOX) and nitric oxide oxidation catalyst

#28
20220316372
2022-10-06

Particulate filter

#29
20220176352
2022-06-09

Exhaust gas purification catalyst device

#30
20220161236
2022-05-26

LAYERED TRI-METALLIC CATALYTIC ARTICLE AND METHOD OF MANUFACTURING THE CATALYTIC ARTICLE

#31
20220127987
2022-04-28

Palladium diesel oxidation catalyst

#32
20220118405
2022-04-21

Monometallic rhodium-containing four-way conversion catalysts for gasoline engine emissions treatment systems

#33
20220106900
2022-04-07

Exhaust gas purification device

#34
20220072515
2022-03-10

TWC catalysts containing high dopant support

#35
20220072514
2022-03-10

NOx ADSORBER CATALYST

#36
20220040636
2022-02-10

Exhaust gas purifying catalyst

#37
20220040635
2022-02-10

Exhaust gas purifying catalyst

#38
20220025796
2022-01-27

Catalytic article and methods of manufacturing and using the same

#39
20220001371
2022-01-06

Catalytic composition with added copper trapping component for NOx abatement

#40
20220001370
2022-01-06

Layered catalysts composition and catalytic article and methods of manufacturing and using the same

#41
20210379530
2021-12-09

Selective catalytic reduction catalyst on a filter substrate

#42
20210310391
2021-10-07

Exhaust gas purification catalyst device

#43
20210301706
2021-09-30

Exhaust gas purification catalyst

#44
20210277814
2021-09-09

Exhaust gas purification catalyst

#45
20210270165
2021-09-02

LNT layered catalyst for lean burn gasoline engine and exhaust gas purification apparatus using the same

#46
20210262371
2021-08-26

Twc catalysts for gasoline engine exhaust gas treatments

#47
20210239020
2021-08-05

Catalyst for exhaust gas purification

#48
20210213425
2021-07-15

THREE-WAY-CATALYST

#49
20210205790
2021-07-08

Exhaust gas purification catalyst

#50
20210199037
2021-07-01

Exhaust gas purification catalyst

#51
20210197171
2021-07-01

Nitrogen oxide sorbent and exhaust gas cleaning catalyst

#52
20210178380
2021-06-17

Advanced NOreduction catalysts

#53
20210162344
2021-06-03

Single brick SCR/ASC/PNA/DOC close-coupled catalyst

#54
20210094027
2021-04-01

Exhaust gas purification catalyst device

#55
20210086135
2021-03-25

Catalytically active particulate filter

#56
20210079822
2021-03-18

Catalytically active particulate filter

#57
20210069690
2021-03-11

NOx-trapping catalyst having non-platinum-group-metal NOx-trapping layer

#58
20210069678
2021-03-11

Single-layer 3-way catalytic converter

#59
20210039080
2021-02-11

Exhaust gas purification catalyst

#60
20200384449
2020-12-10

Catalytic articles

#61
20200330964
2020-10-22

Hydrogen-producing catalyst and exhaust gas purifying catalyst using same

#62
20200316579
2020-10-08

Exhaust gas purification catalyst

#63
20200306693
2020-10-01

Multi-layer three-way catalytic converter

#64
20200263587
2020-08-20

Exhaust gas purification catalyst

#65
20200232362
2020-07-23

Phosphorus resistant three-way catalyst

#66
20200208557
2020-07-02

NOx ADSORBER CATALYST

#67
20200191030
2020-06-18

Gasoline particulate filter

#68
20200131960
2020-04-30

CATALYTIC DEVICE AND EXHAUST GAS PURIFICATION SYSTEM

#69
20200102868
2020-04-02

NOVEL TWC CATALYSTS FOR GASOLINE EXHAUST GAS APPLICATIONS

#70
20200088080
2020-03-19

SCR catalyst device containing vanadium oxide and molecular sieve containing iron

#71
20200056524
2020-02-20

Exhaust gas-purifying catalyst

#72
20200056523
2020-02-20

Exhaust gas-purifying catalyst

#73
20200047119
2020-02-13

Exhaust gas purifying catalyst

#74
20200032687
2020-01-30

MULTI-LAYER NITROGEN OXIDE STORAGE CATALYST WITH MANGANESE

#75
20200032686
2020-01-30

Integrated emissions control system

#76
20200030776
2020-01-30

TWC CATALYSTS CONTAINING HIGH DOPANT SUPPORT

#77
20190383184
2019-12-19

Pt/Pd doc with enhanced CO oxidation, hydrocarbon oxidation and NO oxidation and improved sulfation/desulfation behavior

#78
20190351393
2019-11-21

Hydrocarbon trap catalyst

#79
20190331013
2019-10-31

Palladium diesel oxidation catalyst

#80
20190329181
2019-10-31

AFTERTREATMENT CATALYSIS AT DECREASED EFFECTIVE LIGHT-OFF TEMPERATURES

#81
20190314791
2019-10-17

Diesel oxidizing catalytic converter

#82
20190301334
2019-10-03

Catalyst article for use in an emission treatment system

#83
20190299161
2019-10-03

Passive NOx adsorber

#84
20190291083
2019-09-26

Exhaust gas purification catalyst for internal combustion engine, and exhaust gas purifying method using exhaust gas purification catalyst

#85
20190262772
2019-08-29

Diesel oxidation catalyst and exhaust system

#86
20190255485
2019-08-22

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#87
20190240643
2019-08-08

CATALYST COMPRISING BIMETALLIC PLATINUM GROUP METAL NANOPARTICLES

#88
20190232258
2019-08-01

Catalyst for purification of exhaust gas from internal combustion engine and method for purification of exhaust gas using the catalyst

#89
20190217278
2019-07-18

OXIDATION CATALYST FOR A DIESEL ENGINE EXHAUST

#90
20190201845
2019-07-04

OXIDATION CATALYST FOR A DIESEL ENGINE EXHAUST

#91
20190201844
2019-07-04

Oxidation catalyst for a diesel engine exhaust

#92
20190193057
2019-06-27

Exhaust gas purifying catalyst

#93
20190193024
2019-06-27

Oxidation catalyst for a diesel engine exhaust

#94
20190186314
2019-06-20

OXIDATION CATALYST COMPRISING SULFUR COMPOUND

#95
20190176129
2019-06-13

NOtrap

#96
20190176128
2019-06-13

NH3 ABATEMENT WITH GREATER SELECTIVITY TO N2

#97
20190168161
2019-06-06

Monometallic rhodium-containing four-way conversion catalysts for gasoline engine emissions treatment systems

#98
20190162095
2019-05-30

Three-zone diesel oxidation catlayst

#99
20190151829
2019-05-23

Exhaust gas purification underfloor catalyst and catalyst system

#100
20190136730
2019-05-09

EXHAUST GAS PURIFICATION CATALYST

#101
20190093530
2019-03-28

Oxidation catalyst device for exhaust gas purification

#102
20190083932
2019-03-21

Exhaust gas purifying catalyst

#103
20190015820
2019-01-17

Exhaust gas purification device

#104
20190003360
2019-01-03

Exhaust gas after-treatment unit for an internal combustion engine

#105
20190001268
2019-01-03

Single brick SCR/ASC/PNA/DOC close-coupled catalyst

#106
20180361360
2018-12-20

Catalyst system for lean gasoline direct injection engines

#107
20180353903
2018-12-13

Diesel oxidation catalyst and exhaust system

#108
20180353902
2018-12-13

Diesel oxidation catalyst and exhaust system

#109
20180311649
2018-11-01

NOadsorber catalyst

#110
20180311648
2018-11-01

NOx adsorber catalyst

#111
20180311647
2018-11-01

Three layer NOadsorber catalyst

#112
20180298801
2018-10-18

Extruded honeycomb catalyst

#113
20180283251
2018-10-04

Two-stage catalyst for removal of NOfrom exhaust gas stream

#114
20180283250
2018-10-04

Platinum group metal and base metal on a molecular sieve for PNA-SCR-ASC close-coupled system

#115
20180280948
2018-10-04

Selective catalytic reduction catalyst

#116
20180280877
2018-10-04

SCR with turbo and ASC/DOC close-coupled system

#117
20180266290
2018-09-20

REAR ON-WALL DESIGN SCRF

#118
20180221860
2018-08-09

Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC

#119
20180221855
2018-08-09

Catalyst for purifying the exhaust gases of diesel engines

#120
20180193797
2018-07-12

THREE WAY CATALYST HAVING AN NH3-SCR ACTIVITY, AN AMMONIA OXIDATION ACTIVITY AND AN ADSORPTION CAPACITY FOR VOLATILE VANADIUM AND TUNGSTEN COMPOUNDS

#121
20180178198
2018-06-28

Layered automotive catalyst composites

#122
20180169581
2018-06-21

Method, multifunctional filter and system for the removal of particulate matter and noxious compounds from engine exhaust gas

#123
20180163597
2018-06-14

Exhaust gas treatment system

#124
20180135485
2018-05-17

Selective catalytic reduction filter devices having NOstorage capabilities

#125
20180078898
2018-03-22

Oxidation catalyst for hydrocarbons produced by an internal combustion engine

#126
20180065113
2018-03-08

NOtrap

#127
20180065085
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#128
20180065084
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#129
20180023444
2018-01-25

Exhaust gas cleaning catalyst

#130
20180023439
2018-01-25

EXHAUST SYSTEM FOR A COMPRESSION IGNITION ENGINE COMPRISING A WATER ADSORBENT MATERIAL

#131
20180021726
2018-01-25

Exhaust gas purification catalyst

#132
20170356317
2017-12-14

NOx adsorber catalyst

#133
20170326533
2017-11-16

OXYGEN STORAGE CAPACITY OF NON-COPPER SPINEL OXIDE MATERIALS FOR TWC APPLICATIONS

#134
20170320048
2017-11-09

Integrated LNT-TWC catalyst

#135
20170312690
2017-11-02

Exhaust gas purification catalyst for internal combustion engine

#136
20170297005
2017-10-19

Exhaust gas purification catalyst

#137
20170297004
2017-10-19

Exhaust gas-purifying catalyst

#138
20170234185
2017-08-17

Exhaust gas purification catalyst device, exhaust gas purification system, and method for detecting deterioration of exhaust gas purification catalyst device

#139
20170226905
2017-08-10

NOx storage reduction catalyst

#140
20170197179
2017-07-13

Catalyst for internal combustion engine exhaust gas purification, and system for same

#141
20170183995
2017-06-29

Catalyst for reduction of nitrogen oxides

#142
20170175656
2017-06-22

Control system for an internal combustion engine

#143
20170151532
2017-06-01

Diesel oxidation catalyst having a capture region for exhaust gas impurities

#144
20170114458
2017-04-27

Suppressing aging of platinum group metal particles in a catalytic converter

#145
20170087512
2017-03-30

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#146
20170014806
2017-01-19

Exhaust gas purification catalyst

#147
20160367974
2016-12-22

Exhaust system without a DOC having an ASC acting as a DOC in a system with an SCR catalyst before the ASC

#148
20160367941
2016-12-22

Zoned exhaust system

#149
20160341091
2016-11-24

Emissions reduction system

#150
20160339389
2016-11-24

Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems

#151
20160312730
2016-10-27

Calibration strategies to improve spinel mixed metal oxides catalytic converters

#152
20160258330
2016-09-08

Catalyst device for exhaust gas purification and method for exhaust gas purification

#153
20160256854
2016-09-08

Catalytic converter

#154
20160199816
2016-07-14

Exhaust cleaning catalyst

#155
20160199815
2016-07-14

Exhaust cleaning catalyst

#156
20160121266
2016-05-05

Exhaust gas purification system and exhaust gas purification method

#157
20160082420
2016-03-24

Catalyst system for exhaust gas purification and method for exhaust gas purification

#158
20160074800
2016-03-17

Honeycomb structure

#159
20160045868
2016-02-18

Zoned catalyst for treating exhaust gas

#160
20160038878
2016-02-11

Zoned catalyst for treating exhaust gas

#161
20160038877
2016-02-11

Catalyst converter

#162
20150352524
2015-12-10

Catalytic converter

#163
20150352523
2015-12-10

Catalytic converter

#164
20150345358
2015-12-03

Exhaust purification system of internal combustion engine

#165
20150336085
2015-11-26

Catalyst for reducing nitrogen oxides

#166
20150298059
2015-10-22

Catalysed soot filter for treating the exhaust gas of a compression ignition engine

#167
20150290587
2015-10-15

Exhaust gas purification apparatus for internal combustion engine

#168
20150266014
2015-09-24

Integrated LNT-TWC catalyst

#169
20150251169
2015-09-10

Exhaust gas purifying catalyst, method for producing same, and exhaust gas purification method using same

#170
20150238951
2015-08-27

Exhaust gas catalyst

#171
20150224478
2015-08-13

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#172
20150202611
2015-07-23

Diesel oxidation catalyst and exhaust system

#173
20150202600
2015-07-23

Diesel oxidation catalyst and exhaust system

#174
20150202572
2015-07-23

Diesel oxidation catalyst and exhaust system

#175
20150176455
2015-06-25

Exhaust system for a compression ignition engine comprising a water adsorbent material

#176
20150174564
2015-06-25

Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage function

#177
20150139874
2015-05-21

Lean NOx trap diesel oxidation catalyst with hydrocarbon storage function

#178
20150125371
2015-05-07

Three-way-catalyst system

#179
20150017083
2015-01-15

Coating for reducing nitrogen oxides

#180
20140301923
2014-10-09

Selective catalytic reduction catalyst system

#181
20140274665
2014-09-18

Selective catalytic reduction catalyst system

#182
20140271422
2014-09-18

Selective catalytic reduction catalyst system

#183
20140242406
2014-08-28

Catalyst device for exhaust gas

#184
20140235431
2014-08-21

Exhaust gas-purifying catalyst

#185
20140219878
2014-08-07

Mixed phase oxide catalysts

#186
20140205523
2014-07-24

Automotive catalyst composites having a two-metal layer

#187
20140186227
2014-07-03

Catalytic converter of internal combustion engine and apparatus for purifying exhaust gas provided with the same

#188
20140157763
2014-06-12

Extruded honeycomb catalyst

#189
20140147359
2014-05-29

Catalysed soot filter for treating the exhaust gas of a compression ignition engine

#190
20140147341
2014-05-29

Layered composite oxide, oxidation catalyst, and diesel particulate filter

#191
20140140911
2014-05-22

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#192
20140086810
2014-03-27

System and method of a catalytic reactor having multiple sacrificial coatings

#193
20140057776
2014-02-27

Exhaust gas purification catalyst

#194
20140007557
2014-01-09

Exhaust purification system of internal combustion engine

#195
20130336865
2013-12-19

NOabsorber catalyst

#196
20130302214
2013-11-14

Coated diesel particle filter

#197
20130243658
2013-09-19

Exhaust purification system of internal combustion engine

#198
20130236380
2013-09-12

Palladium solid solution catayst and methods of making

#199
20130189172
2013-07-25

Catalyst for removing nitrogen oxides from the exhaust gas of diesel engines

#200
20130149205
2013-06-13

Exhaust purification system of internal combustion engine

#201
20130136662
2013-05-30

SCR on diesel particular filter and method for producing the same

#202
20130121885
2013-05-16

Exhaust purification system of internal combustion engine

#203
20130065754
2013-03-14

EXHAUST GAS PURIFICATION CATALYST

#204
20130052087
2013-02-28

Exhaust purification system of internal combustion engine

#205
20130034472
2013-02-07

CATALYTIC CONVERTERS, INSERT MATERIALS FOR CATALYTIC CONVERTERS, AND METHODS OF MAKING

#206
20130025264
2013-01-31

Exhaust gas purification device

#207
20130011313
2013-01-10

Exhaust gas aftertreatment installation and method

#208
20120328499
2012-12-27

EXHAUST GAS PURIFICATION CATALYST APPARATUS USING SELECTIVE REDUCTION-TYPE CATALYST AND EXHAUST GAS PURIFICATION METHOD

#209
20120294771
2012-11-22

PARTICULATE FILTER FOR VEHICLE AND EXHAUST SYSTEM USING THE SAME

#210
20120291420
2012-11-22

Oxidation catalysts for engines producing low temperature exhaust streams

#211
20120288427
2012-11-15

Catalyzed soot filter with layered design

#212
20120288416
2012-11-15

CATALYST UNIT

#213
20120285148
2012-11-15

CATALYST DEVICE

#214
20120240561
2012-09-27

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#215
20120216512
2012-08-30

Exhaust emission control device for internal combustion engine

#216
20120124976
2012-05-24

APPARATUS FOR REMOVING MIXED NITROGEN OXIDES, CARBON MONOXIDE, HYDROCARBONS AND DIESEL PARTICULATE MATTER FROM DIESEL ENGINE EXHAUST STREAMS AT TEMPERATURES AT OR BELOW 280 DEGREES C

#217
20120124975
2012-05-24

Diesel oxidation catalyst articles and methods of making and using

#218
20120124974
2012-05-24

Advanced catalyzed soot filters and method of making and using the same

#219
20120124971
2012-05-24

Exhaust purification system of internal combustion engine

#220
20120071318
2012-03-22

Exhaust gas-purifying catalyst

#221
20120065058
2012-03-15

Exhaust gas-purifying catalyst

#222
20120055142
2012-03-08

Catalysts for gasoline lean burn engines with improved NH-formation activity

#223
20120055141
2012-03-08

Catalyst for gasoline lean burn engines with improved NO oxidation activity

#224
20120023909
2012-02-02

Methods and systems for an engine emission control system

#225
20110305615
2011-12-15

NOx storage catalyst with reduced Rh loading

#226
20110305612
2011-12-15

NOx storage catalyst with improved hydrocarbon conversion activity

#227
20110287928
2011-11-24

Low level noble metal-supporting three-way catalyst

#228
20110274601
2011-11-10

Catalyzed soot filter and emissions treatment systems and methods

#229
20110271664
2011-11-10

Integrated SCR and AMOx catalyst systems

#230
20110245076
2011-10-06

Exhaust gas purification catalyst

#231
20110239633
2011-10-06

EXHAUST EMISSION PURIFYING APPARATUS

#232
20110225956
2011-09-22

EXHAUST PURIFICATION APPARATUS FOR INTERNAL COMBUSTION ENGINE

#233
20110131952
2011-06-09

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

#234
20110126528
2011-06-02

Exhaust gas purifying device

#235
20110120089
2011-05-26

Exhaust particulate management for gasoline-fueled engines

#236
20110061371
2011-03-17

Hydrocarbon and NOx trap

#237
20110047983
2011-03-03

Exhaust system

#238
20110023464
2011-02-03

Exhaust system

#239
20110005204
2011-01-13

Exhaust gas aftertreatment installation and method

#240
20100263358
2010-10-21

Multi-zoned catalyst compositions

#241
20100257843
2010-10-14

Zoned catalysts for diesel applications

#242
20100254862
2010-10-07

Selective reduction catalyst

#243
20100215557
2010-08-26

Aging-resistant catalyst article for internal combustion engines

#244
20100190634
2010-07-29

NOx purifying catalyst

#245
20100183490
2010-07-22

Diesel oxidation catalyst and use thereof in diesel and advanced combustion diesel engine systems

#246
20100150790
2010-06-17

Catalyzing Lean NOx Filter and Method of Using Same

#247
20100126150
2010-05-27

Diesel oxidation catalyst and exhaust system provided with the same

#248
20100126143
2010-05-27

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

#249
20100104491
2010-04-29

Multilayered catalyst compositions

#250
20100101221
2010-04-29

CATALYSTS, SYSTEMS, AND METHODS FOR REDUCING NOx IN AN EXHAUST GAS

#251
20100077738
2010-04-01

System for reducing NOx in exhaust

#252
20100048384
2010-02-25

Engine exhaust catalysts containing palladium-gold

#253
20100004122
2010-01-07

Exhaust Gas-Purifying Catalyst

#254
20090308060
2009-12-17

Process for purifying exhaust gases and apparatus for purifying exhaust gases

#255
20090308054
2009-12-17

Method for controlling NOreduction system

#256
20090257933
2009-10-15

Layered catalyst composite

#257
20090246100
2009-10-01

Exhaust gas purification device for internal combustion engine

#258
20090246099
2009-10-01

Honeycomb structure and exhaust gas treating apparatus

#259
20090239745
2009-09-24

Catalyst for purifying exhaust gas

#260
20090203515
2009-08-13

Exhaust gas purifying catalyst

#261
20080302090
2008-12-11

Exhaust purification device of internal combustion engine

#262
20080269046
2008-10-30

EXHAUST GAS PURIFICATION CATALYST AND MANUFACTURING METHOD THEREOF

#263
20080241032
2008-10-02

Catalyzing Lean NOx Filter and Method of Using Same

#264
20080207438
2008-08-28

Catalytic material and catalyst for purifying exhaust gas component

#265
20080148715
2008-06-26

Method of raising temperature in exhaust-gas purifier and exhaust-gas purification system

#266
20080102010
2008-05-01

Method and Device for Treating Exhaust Gases of Internal Combustion Engines

#267
20080096759
2008-04-24

Exhaust-gas-purifying catalyst

#268
20080041038
2008-02-21

Catalytic Converter Configuration and Method for Desulfurizing a NOx Storage Catalytic Converter

#269
20070217978
2007-09-20

Minimization Of Pah Emissions During The Regeneration Of Particles Filters

#270
20070199302
2007-08-30

Zeolite-Containing Oxidation Catalyst and Method of Use

#271
20070175208
2007-08-02

Exhaust gas aftertreatment installation and method

#272
20070012028
2007-01-18

Sulfur oxide/nitrogen oxide trap system and method for the protection of nitrogen oxide storage reduction catalyst from sulfur poisoning

#273
20060153761
2006-07-13

Exhaust gas aftertreatment installation and method

#274
20060096282
2006-05-11

Method and apparatus for purifying exhaust gases

#275
20050201916
2005-09-15

Zeolite-containing oxidation catalyst and method of use

#276
20050011182
2005-01-20

Exhaust gas purification apparatus for engine