ClassID:

30449

B01D2255/91 - page 2 - CPC Classification

Classification description:

Catalysts; Physical characteristics of catalysts NOx-storage component incorporated in the catalyst

Recent Application in this class:
#301
20100242480
2010-09-30

Exhaust gas purification system for an internal combustion engine

#302
20100242438
2010-09-30

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

#303
20100236224
2010-09-23

Emissions treatment system with lean NOx trap

#304
20100233045
2010-09-16

Sulfur tolerant perovskite supported catalysts

#305
20100229536
2010-09-16

Exhaust gas purification system for internal combustion engine

#306
20100229533
2010-09-16

Perovskite-type compounds for use in lean NOtraps

#307
20100229530
2010-09-16

Control device and control method for exhaust gas purification apparatus, and internal combustion engine exhaust gas purification apparatus

#308
20100224142
2010-09-09

Method of exhaust cleaning for internal combustion engine and exhaust cleaner

#309
20100223919
2010-09-09

NOx reduction catalyst and exhaust system using the same

#310
20100221154
2010-09-02

Method and apparatus for reducing NOemissions from a lean burning hydrocarbon fueled power source

#311
20100205947
2010-08-19

S storage catalyst and exhaust-gas converting apparatus

#312
20100204905
2010-08-12

Control unit of diesel engine

#313
20100204036
2010-08-12

NOx purifying catalyst

#314
20100196221
2010-08-05

Selective catalytic reduction type catalyst, and exhaust gas purification equipment and purifying process of exhaust gas using the same

#315
20100192544
2010-08-05

Exhaust gas purification apparatus in an internal combustion engine

#316
20100190640
2010-07-29

CATALYTIC SUPPORT AND EXHAUST-GAS CONVERTING CATALYST (AS AMENDED)

#317
20100186379
2010-07-29

EXHAUST GAS PURIFICATION APPARATUS FOR AN INTERNAL COMBUSTION ENGINE

#318
20100178224
2010-07-15

LEAN NOx TRAP/CONVERSION CATALYST

#319
20100150790
2010-06-17

Catalyzing Lean NOx Filter and Method of Using Same

#320
20100146937
2010-06-17

Exhaust purification device of internal combustion engine

#321
20100146935
2010-06-17

NOstorage materials for sensor applications

#322
20100139259
2010-06-10

Exhaust purification device of an internal combustion engine

#323
20100132348
2010-06-03

Exhaust emission control device

#324
20100132337
2010-06-03

EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

#325
20100115927
2010-05-13

Exhaust gas purifying apparatus for internal combustion engine

#326
20100115924
2010-05-13

Method of controlling NOx purification system and NOx purification system

#327
20100115923
2010-05-13

Exhaust purification device of an internal combustion engine

#328
20100115919
2010-05-13

Exhaust emission control device for internal combustion engine and performance diagnosis method for NOx adsorbent

#329
20100101421
2010-04-29

Exhaust-gas converting apparatus

#330
20100101220
2010-04-29

Exhaust gas purifying catalyst

#331
20100101212
2010-04-29

Exhaust gas purifying method

#332
20100099554
2010-04-22

EXHAUST GAS PURIFICATION CATALYST

#333
20100089040
2010-04-15

Exhaust emission purifier of internal combustion engine

#334
20100077736
2010-04-01

EXHAUST PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE

#335
20100075842
2010-03-25

POTASSIUM OXIDE-INCORPORATED ALUMINA CATALYSTS WITH ENHANCED STORAGE CAPACITIES OF NITROGEN OXIDE AND A PRODUCING METHOD THEREFOR

#336
20100071347
2010-03-25

Exhaust purification device of an internal combustion engine

#337
20100064669
2010-03-18

Oproduction apparatus and exhaust gas purification system for internal combustion engine

#338
20100061900
2010-03-11

Exhaust-gas converting filter and production process for the same

#339
20100058742
2010-03-11

EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

#340
20100058739
2010-03-11

EXHAUST EMISSION PURIFICATION CATALYST AND ENGINE CONTROLLER

#341
20100056367
2010-03-04

Exhaust gas purifying catalyst

#342
20100043406
2010-02-25

EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

#343
20100031635
2010-02-11

Exhaust gas purification apparatus for internal combustion engine

#344
20100024397
2010-02-04

Apparatus, system, and method for reducing NOemissions from an engine system

#345
20100024393
2010-02-04

Apparatus, system, and method for NOx signal correction in feedback controls of an SCR system

#346
20100024390
2010-02-04

Apparatus, system, and method for reducing NOemissions on an SCR catalyst

#347
20090320457
2009-12-31

NOx adsorber catalyst with superior low temperature performance

#348
20090318284
2009-12-24

NITROGEN OXIDE ADSORBENT AND METHOD FOR PRODUCING THE SAME

#349
20090304564
2009-12-10

NOx storage materials and traps resistant to thermal aging

#350
20090298673
2009-12-03

EXHAUST GAS PURIFICATION CATALYST

#351
20090293454
2009-12-03

Exhaust emission control device

#352
20090269265
2009-10-29

Exhaust gas purification method using selective reduction catalyst

#353
20090266061
2009-10-29

EXHAUST EMISSION CONTROL DEVICE

#354
20090260349
2009-10-22

Air-injection system to improve effectiveness of selective catalytic reduction catalyst for gasoline engines

#355
20090257934
2009-10-15

Transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage-reduction

#356
20090255240
2009-10-15

Sulfur-resistant exhaust gas aftertreatment system for the reduction of nitrogen oxides

#357
20090247402
2009-10-01

HONEYCOMB STRUCTURE AND METHOD OF MANUFACTURING THE SAME

#358
20090246456
2009-10-01

Honeycomb structure

#359
20090246103
2009-10-01

HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING THE SAME

#360
20090246096
2009-10-01

Honeycomb structure and exhaust gas treatment apparatus

#361
20090229260
2009-09-17

Exhaust Gas Purifying Apparatus

#362
20090205323
2009-08-20

Exhaust gas purification system for internal combustion engine

#363
20090197761
2009-08-06

ADSORBENT FOR EXHAUST GAS

#364
20090196811
2009-08-06

NOx REDUCTION CATALYST, NOx REDUCTION CATALYST SYSTEM, AND NOx REDUCTION METHOD

#365
20090188236
2009-07-30

Exhaust gas purifying device

#366
20090163359
2009-06-25

AMBIENT TEMPERATURE NITROGEN OXIDE ADSORBENT

#367
20090151340
2009-06-18

EXHAUST GAS PURIFICATION DEVICE

#368
20090151331
2009-06-18

Exhaust purification device of internal combustion engine

#369
20090145117
2009-06-11

Exhaust gas aftertreatment system

#370
20090145113
2009-06-11

Exhaust purification device of internal combustion engine

#371
20090098333
2009-04-16

HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING THE HONEYCOMB STRUCTURE

#372
20090094962
2009-04-16

Method and device for regenerating an emission control system

#373
20090084091
2009-04-02

Exhaust purification device of an internal combustion engine

#374
20090084090
2009-04-02

Catalyst and Catalyst Structure for Reduction of Nitrogen Oxides, and Method for Catalytic Reduction of Nitrogen Oxides

#375
20090062117
2009-03-05

Nitrogen oxide storage material and nitrogen oxide storage catalyst produced therefrom

#376
20090047205
2009-02-19

Method for producing compound

#377
20080318765
2008-12-25

NANOALLOYS IN EMISSIONS CONTROL AFTER-TREATMENT SYSTEMS

#378
20080317999
2008-12-25

Gas catalysts comprising porous wall honeycombs

#379
20080314037
2008-12-25

Exhaust Gas Diverter

#380
20080314025
2008-12-25

Device for purifying exhaust gas of an internal combustion engine

#381
20080286184
2008-11-20

Selective catalytic reduction type catalyst

#382
20080261801
2008-10-23

Methods of Regenerating a Nox Absorbent

#383
20080241032
2008-10-02

Catalyzing Lean NOx Filter and Method of Using Same

#384
20080213145
2008-09-04

Method of decomposing nitrogen dioxide

#385
20080207438
2008-08-28

Catalytic material and catalyst for purifying exhaust gas component

#386
20080168763
2008-07-17

Optimized rhodium usage in LNT SCR system

#387
20080120971
2008-05-29

Nitrogen oxide purification system

#388
20080120970
2008-05-29

NOx Storage Materials and Traps Resistant to Thermal Aging

#389
20080098729
2008-05-01

Device for purifying exhaust gas of an internal combustion engine

#390
20080034740
2008-02-14

Process for the removal of harmful substances from exhaust gases of combustion engines and catalyst for carrying out said process

#391
20080026937
2008-01-31

Transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage-reduction

#392
20080010972
2008-01-17

Method for purification of exhaust gas from internal-combustion engine

#393
20080000222
2008-01-03

Exhaust gas cleaning catalyst, exhaust gas cleaning device, and system comprising internal combustion engine

#394
20070294998
2007-12-27

Control Method and Control Device for Exhaust Gas Control Apparatus

#395
20070269353
2007-11-22

Emission treatment system with NSR and SCR catalysts

#396
20070245723
2007-10-25

Exhaust purification device of internal combustion engine

#397
20070204595
2007-09-06

Exhaust Gas Purification Apparatus of Internal Combustion Engine and Catalyst for Purifying Exhaust Gas of Internal Combustion Engine

#398
20070117716
2007-05-24

Exhaust gas purification catalyst

#399
20070077190
2007-04-05

Porous honeycomb structure and exhaust gas cleanup device using the same

#400
20070065354
2007-03-22

Device and methods of ammonia generation for NOx abatement

#401
20070025901
2007-02-01

Catalyst and method for contact decomposition of nitrogen oxides

#402
20070012032
2007-01-18

Hybrid system comprising HC-SCR, NOx-trapping, and NH3-SCR for exhaust emission reduction

#403
20060252630
2006-11-09

Microwave assisted desulfurization of nitrogen oxide storage reduction catalysts

#404
20060242947
2006-11-02

Emission Control System For An Engine

#405
20060199731
2006-09-07

Catalyst and catalyst support

#406
20060168949
2006-08-03

Alumina-based lean NOx trap system and method of use in dual-mode HCCI engines

#407
20060168948
2006-08-03

Alumina-based lean NOx trap system and method of use

#408
20060148644
2006-07-06

Exhaust gas control catalyst and manufacturing method thereof

#409
20060135371
2006-06-22

Method for removing nitrogen oxides NOx using a material absorbing said oxides

#410
20060133969
2006-06-22

Exhaust system for a lean burn internal combustion engine

#411
20060105909
2006-05-18

Vehicle sulfur oxide trap and related method

#412
20060101809
2006-05-18

Internal combustion engine comprising a reducing agent production unit and operating method therefor

#413
20060100098
2006-05-11

Lean NOtrap with PGM zoned axially

#414
20060059900
2006-03-23

Exhaust gas purification system

#415
20060053760
2006-03-16

Cermet materials

#416
20060048502
2006-03-09

Integrated system for reducing fuel consumption and emissions in an internal combustion engine

#417
20060040824
2006-02-23

Nitrogen oxides-removing material and device

#418
20060034741
2006-02-16

Catalyst composition for use in a lean NOtrap and method of using

#419
20060032214
2006-02-16

Thermally stable lean nox trap

#420
20060019824
2006-01-26

Exhaust gas purification catalyst

#421
20050268788
2005-12-08

Honeycomb body and method for treating a fluid

#422
20050220679
2005-10-06

System for automobile exhaust gas purification

#423
20050188684
2005-09-01

Apparatus and method for purifying exhaust gas of internal combustion engine

#424
20050170954
2005-08-04

Exhaust gas cleaning catalyst

#425
20050148463
2005-07-07

Minimization of purge NOrelease from NOtraps by optimizing the oxygen storage capacity

#426
20050129601
2005-06-16

Emissions treatment system with NSR and SCR catalysts

#427
20050089456
2005-04-28

Exhaust gas purifcation apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine

#428
18479993
2024-08-27

Engine cold start system and method

#429
16406353
2020-03-24

Modified ferrite catalysts for direct no decomposition and a method of making and using a catalyst

#430
16142634
2019-11-19

Exhaust after-treatment system for diesel internal combustion engines

#431
15958058
2019-09-03

Nitrogen oxides storage catalyst and methods of using the same