ClassID:

30422

B01D2255/502 - CPC Classification

Classification description:

Catalysts; Zeolites Beta zeolites

Recent Application in this class:
#1
20260061368
2026-03-05

PURIFICATION SYSTEM

#2
20250375736
2025-12-11

SCR CATALYSTS WITH BLENDED OXIDES AND H-ZEOLITES

#3
20250177919
2025-06-05

METHANE REMOVAL DEVICE

#4
20250032983
2025-01-30

MANGANESE-CONTAINING CATALYTIC ARTICLES, EXHAUST GAS TREATMENT SYSTEMS, AND METHODS

#5
20240392715
2024-11-28

Catalytic system comprising antimony-containing catalyst

#6
20240342694
2024-10-17

METHOD OF FORMING AN INORGANIC OXIDE COATING ON A MONOLITH ARTICLE

#7
20240342693
2024-10-17

METHOD OF FORMING AN INORGANIC OXIDE COATING ON A MONOLITH ARTICLE

#8
20240216864
2024-07-04

A CATALYST FOR THE SELECTIVE CATALYTIC REDUCTION OF NOX AND FOR THE CRACKING AND CONVERSION OF A HYDROCARBON

#9
20240167410
2024-05-23

CATALYTIC ARTICLE COMPRISING VANADIUM-BASED CATALYST AND MOLECULAR SIEVE-BASED CATALYST

#10
20230347326
2023-11-02

METHOD OF TREATING EXHAUST GAS AND SYSTEM FOR SAME

#11
20230287822
2023-09-14

Exhaust treatment system for dual fuel engines

#12
20230191325
2023-06-22

A PROCESS FOR THE REMOVAL OF NOX AND DINITROGEN OXIDE IN PROCESS OFF-GAS

#13
20230141207
2023-05-11

High ammonia storage capacity SCR catalysts

#14
20230076492
2023-03-09

Method of forming an inorganic oxide coating on a monolith article

#15
20230001353
2023-01-05

Transition metal/zeolite SCR catalysts

#16
20220379293
2022-12-01

DIESEL OXIDATION CATALYST

#17
20220280924
2022-09-08

Iron-promoted zeolite and catalyst made therefrom

#18
20220250044
2022-08-11

Manganese-containing diesel oxidation catalyst

#19
20220234032
2022-07-28

Manganese-containing diesel oxidation catalyst

#20
20220161248
2022-05-26

Low temperature CO oxidation catalyst

#21
20220088572
2022-03-24

Nano-Structured Composite Materials for Chemical Air Pollutant and Odor Removal from Air

#22
20220040636
2022-02-10

Exhaust gas purifying catalyst

#23
20220040635
2022-02-10

Exhaust gas purifying catalyst

#24
20210362140
2021-11-25

A CATALYST AND METHOD OF USE THEREOF

#25
20210213434
2021-07-15

Diesel oxidation catalysts for ultralow NOcontrol

#26
20210205797
2021-07-08

Catalyst comprising a mixture of an AFX-structure zeolite and a BEA-structure zeolite and at least one transition metal for selective reduction of NOx

#27
20210178371
2021-06-17

Catalyst and method of use thereof in conversion of NOand NO

#28
20210069686
2021-03-11

β-zeolite and production method thereof

#29
20210069684
2021-03-11

Manganese-containing diesel oxidation catalyst

#30
20210060539
2021-03-04

Method for preparing molecular sieve SCR catalyst, and catalyst prepared therethrough

#31
20210008531
2021-01-14

CATALYZED SCR FILTER AND EMISSION TREATMENT SYSTEM

#32
20200378275
2020-12-03

Apparatus for treating exhaust gas of thermal plant

#33
20200368685
2020-11-26

PROCESS AND APPARATUS FOR TREATMENT OF GAS STREAMS CONTAINING NITROGEN OXIDES

#34
20200368684
2020-11-26

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

#35
20200338539
2020-10-29

Metal-substituted beta zeolite and method for producing same

#36
20200316573
2020-10-08

Ammonia facilitated cation loading of zeolite catalysts

#37
20200316571
2020-10-08

Intra-crystalline binary catalysts and uses thereof

#38
20200282385
2020-09-10

Lean NOtrap catalyst

#39
20200230583
2020-07-23

Zeolite with rare earth element-substituted framework and method for producing same, and NOx adsorber, selective catalytic reduction catalyst and automobile exhaust gas catalyst comprising same

#40
20200216326
2020-07-09

Synthesis of nanocrystalline beta zeolite, synthesis method and use thereof in catalytic applications

#41
20200206721
2020-07-02

Oxidation catalyst for a compression ignition engine

#42
20200108377
2020-04-09

Catalyzed SCR filter and emission treatment system

#43
20200070133
2020-03-05

Bimetallic Cu/Mn catalysts for selective catalytic reduction

#44
20200047119
2020-02-13

Exhaust gas purifying catalyst

#45
20190358615
2019-11-28

CATALYST COMPOSITIONS

#46
20190351398
2019-11-21

Hydrocarbon trap catalyst

#47
20190351397
2019-11-21

Hydrocarbon trap catalyst

#48
20190351393
2019-11-21

Hydrocarbon trap catalyst

#49
20190345859
2019-11-14

Passive NOadsorber

#50
20190321782
2019-10-24

Method for the Cleaning of Exhaust Gas from a Compression Ignition Engine

#51
20190262809
2019-08-29

Manganese-containing diesel oxidation catalyst

#52
20190262772
2019-08-29

Diesel oxidation catalyst and exhaust system

#53
20190255485
2019-08-22

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

#54
20190247836
2019-08-15

SCR catalysts having improved low temperature performance, and methods of making and using the same

#55
20190247792
2019-08-15

Selective catalytic reduction filter for reducing nitrous oxide formation and methods of using the same

#56
20190232263
2019-08-01

Catalyzed SCR filter and emission treatment system

#57
20190168200
2019-06-06

Passive NOx adsorber

#58
20190143311
2019-05-16

CATALYST FOR LEAN BURN

#59
20190120109
2019-04-25

Passive nitrogen oxide adsorber catalyst

#60
20190093531
2019-03-28

Exhaust gas purification catalyst

#61
20190083965
2019-03-21

Exhaust gas-purifying composition

#62
20190063287
2019-02-28

EXHAUST SYSTEM WITH A MODIFIED LEAN NOx TRAP

#63
20190060833
2019-02-28

Zoned configuration for oxidation catalyst combinations

#64
20190054420
2019-02-21

Metal-containing zeolite beta for NOreduction and methods of making the same

#65
20190046962
2019-02-14

Method for preparing molecular sieve-multielement oxide composite integrally extruded denitration catalyst

#66
20190015783
2019-01-17

Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having The CHA Crystal Structure

#67
20180353903
2018-12-13

Diesel oxidation catalyst and exhaust system

#68
20180353902
2018-12-13

Diesel oxidation catalyst and exhaust system

#69
20180345253
2018-12-06

Cluster-supporting catalyst and process for producing the same

#70
20180345218
2018-12-06

Hybrid binary catalysts, methods and uses thereof

#71
20180345217
2018-12-06

4-way hybrid binary catalysts, methods and uses thereof

#72
20180334939
2018-11-22

ELECTRIC HEATERS COMPRISING CORROSION RESISTANT METALS AND SELECTIVE CATALYTIC REDUCTION DEVICES UTILIZING THE SAME

#73
20180326338
2018-11-15

Honeycomb filter

#74
20180304244
2018-10-25

PASSIVE NOx ADSORBER

#75
20180298801
2018-10-18

Extruded honeycomb catalyst

#76
20180296979
2018-10-18

Exhaust gas purification material

#77
20180283333
2018-10-04

Catalytic decomposition of sterol glycosides in a diesel fuel filter

#78
20180280876
2018-10-04

ASC/DEC with rear-concentrated exotherm generation

#79
20180272279
2018-09-27

Transition metal/zeolite SCR catalysts

#80
20180264446
2018-09-20

Catalytic wall-flow filter with an ammonia slip catalyst

#81
20180257062
2018-09-13

Oxidation catalyst for a compression ignition engine

#82
20180223711
2018-08-09

Reactive filter for motor vehicle

#83
20180214824
2018-08-02

Diesel oxidation catalyst

#84
20180065085
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#85
20180065084
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#86
20180056282
2018-03-01

Hydrocarbon and nitrogen oxides catalyst trap

#87
20180050326
2018-02-22

SCR catalyst having improved adhesion of the zeolite-containing catalytic layer

#88
20180043342
2018-02-15

EXHAUST SYSTEM FOR A COMPRESSION IGNITION ENGINE HAVING A CAPTURE REGION FOR VOLATILISED PLATINUM

#89
20180043335
2018-02-15

NOadsorber catalyst, methods and systems

#90
20170334722
2017-11-23

Method for removing NO and NOfrom the nitric acid production process, and an installation suitable for same

#91
20170333884
2017-11-23

Catalyzed SCR filter and emission treatment system

#92
20170282168
2017-10-05

Manufacturing method of honeycomb structure

#93
20170282167
2017-10-05

Honeycomb structure

#94
20170274323
2017-09-28

Honeycomb structure

#95
20170216822
2017-08-03

Oxidation catalyst for a compression ignition engine

#96
20170216770
2017-08-03

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#97
20170209857
2017-07-27

Catalysts for treating transient NOemissions

#98
20170173530
2017-06-22

EXHAUST SYSTEM FOR A LEAN-BURN INTERNAL COMBUSTION ENGINE INCLUDING SCR CATALYST

#99
20170128922
2017-05-11

Cold Start Catalyst and Its Use in Exhaust Systems

#100
20170096923
2017-04-06

PASSIVE NOx ADSORBER

#101
20170095805
2017-04-06

Passive NOadsorber

#102
20170087512
2017-03-30

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

#103
20170065967
2017-03-09

Method for disposing SCR composition on a wall flow monolith

#104
20170056866
2017-03-02

Three-way catalyst and its use in exhaust systems

#105
20170050182
2017-02-23

MECHANICALLY FUSED MATERIALS FOR POLLUTION ABATEMENT IN MOBILE AND STATIONARY SOURCES

#106
20170050181
2017-02-23

Use of transition metals to reduce cold start emissions

#107
20170009623
2017-01-12

Nitrogen oxides (NOx) storage catalyst

#108
20160375429
2016-12-29

Catalytic wall-flow filter having a membrane

#109
20160367963
2016-12-22

Hydrocarbon trap with increased zeolite loading and improved adsorption capacity

#110
20160346733
2016-12-01

Method for the cleaning of exhaust gas from a compression ignition engine

#111
20160339389
2016-11-24

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

#112
20160339387
2016-11-24

AMMONIA DECOMPOSITION CATALYST

#113
20160325228
2016-11-10

Bimetal-exchanged zeolite beta from organotemplate-free synthesis and use thereof in the selective catalytic reduction of NO

#114
20160310897
2016-10-27

Exhaust gas purification apparatus

#115
20160288107
2016-10-06

ALUMINOSILICATE OR SILICOALUMINOPHOSPHATE MOLECULAR SIEVE/ MANGANESE OCTAHEDRAL MOLECULAR SIEVE AS CATALYSTS FOR TREATING EXHAUST GAS

#116
20160279571
2016-09-29

Exhaust gas purification material

#117
20160273427
2016-09-22

Exhaust system for a compression ignition engine having a capture face for volatilised platinum

#118
20160236179
2016-08-18

Exhaust system for a compression ignition engine having a capture region for volatilised platinum

#119
20160236147
2016-08-18

Oxidation catalyst for treating a natural gas emission

#120
20160228818
2016-08-11

Three-way catalyst and its use in exhaust systems

#121
20160214095
2016-07-28

OXIDATION CATALYST FOR EXHAUST GAS PURIFICATION, CATALYST STRUCTURE FOR EXHAUST GAS PURIFICATION, AND METHOD FOR PURIFYING EXHAUST GAS USING CATALYST STRUCTURE

#122
20160193597
2016-07-07

Multilayer coated particle filter

#123
20160175823
2016-06-23

Catalyzed SCR filter and emission treatment system

#124
20160167022
2016-06-16

Oxidation catalyst for a compression ignition engine

#125
20160129430
2016-05-12

OXIDATION CATALYST FOR EXHAUST GAS PURIFICATION, METHOD FOR PRODUCING THE SAME, AND EXHAUST GAS PURIFICATION METHOD USING THE SAME

#126
20160059226
2016-03-03

Platinum/palladium zeolite catalyst

#127
20160038878
2016-02-11

Zoned catalyst for treating exhaust gas

#128
20160030933
2016-02-04

Hydrocarbon reforming/trapping material and method for removing hydrocarbon

#129
20160023195
2016-01-28

Low temperature SCR catalyst for denitrating diesel vehicle exhaust, and preparation method thereof

#130
20160001275
2016-01-07

Exhaust gas purifying catalyst and exhaust gas purification method using same

#131
20150360213
2015-12-17

Oxidation catalyst for a compression ignition engine

#132
20150352492
2015-12-10

Non-PGM ammonia slip catalyst

#133
20150298059
2015-10-22

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

#134
20150275734
2015-10-01

EXHAUST GAS PURIFICATION DEVICE FOR DIESEL ENGINE

#135
20150273452
2015-10-01

DIESEL OXIDATION CATALYST WITH NOx ADSORBER ACTIVITY

#136
20150273394
2015-10-01

Catalyst system for treating NOand particle-containing diesel exhaust gas

#137
20150252708
2015-09-10

Zoned catalysed substrate monolith

#138
20150246346
2015-09-03

SCR catalysts having improved low temperature performance, and methods of making and using the same

#139
20150240752
2015-08-27

Exhaust system having NO catalyst in EGR circuit

#140
20150231563
2015-08-20

Method for purifying exhaust gas and for regenerating an oxidation catalyst

#141
20150224486
2015-08-13

Zeolite promoted V/TiW catalysts

#142
20150224478
2015-08-13

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

#143
20150209769
2015-07-30

Hydrocarbon trap with increased zeolite loading and improved adsorption capacity

#144
20150202611
2015-07-23

Diesel oxidation catalyst and exhaust system

#145
20150202600
2015-07-23

Diesel oxidation catalyst and exhaust system

#146
20150202572
2015-07-23

Diesel oxidation catalyst and exhaust system

#147
20150174564
2015-06-25

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

#148
20150165423
2015-06-18

Manganese-containing diesel oxidation catalyst

#149
20150165422
2015-06-18

Manganese-containing diesel oxidation catalyst

#150
20150158023
2015-06-11

Cold start catalyst and its use in exhaust systems

#151
20150151293
2015-06-04

SCR catalyst and method of preparation thereof

#152
20150151291
2015-06-04

Catalyst and method of manufacture

#153
20150151250
2015-06-04

Catalyzed SCR filter and emission treatment method

#154
20150139874
2015-05-21

Lean NOx trap diesel oxidation catalyst with hydrocarbon storage function

#155
20150118115
2015-04-30

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#156
20150110682
2015-04-23

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#157
20150098870
2015-04-09

Selective catalytic reduction catalyst

#158
20150086786
2015-03-26

Beta zeolite and method for producing same

#159
20150075140
2015-03-19

Exhaust system with a modified lean NOtrap

#160
20150030515
2015-01-29

Process and apparatus for treatment of gas streams containing nitrogen oxides

#161
20150017083
2015-01-15

Coating for reducing nitrogen oxides

#162
20150011377
2015-01-08

Catalyzed SCR filter and emission treatment system

#163
20140378296
2014-12-25

Manufacture of catalyst compositions and systems

#164
20140349841
2014-11-27

Catalyzed SCR filter and emission treatment system

#165
20140322127
2014-10-30

Metal doped zeolite and process for its preparation

#166
20140294706
2014-10-02

Catalyst composition and method for use in selective catalytic reduction of nitrogen oxides

#167
20140271428
2014-09-18

Catalyst compositions, articles, methods and systems

#168
20140170043
2014-06-19

Catalyst compositions, catalytic articles, systems and processes using large particle molecular sieves

#169
20140124992
2014-05-08

Zeolite structure and manufacturing method thereof

#170
20140079611
2014-03-20

B-type iron silicate composition and method for reducing nitrogen oxides

#171
20140072493
2014-03-13

Catalyst for exhaust gas purification, method for producing the same, and exhaust gas purification method using the same

#172
20130336872
2013-12-19

Method for removing NO and NOfrom the nitric acid production process, and an installation suitable for same

#173
20130216441
2013-08-22

Method for the preparation of a catalysed particulate filter and catalysed particulate filter

#174
20130149207
2013-06-13

Substrate monolith comprising SCR catalyst

#175
20130123096
2013-05-16

Organotemplate-free synthetic process for the production of a zeolitic material

#176
20130089483
2013-04-11

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

#177
20130045860
2013-02-21

Organotemplate-free synthetic process for the production of a zeolitic material

#178
20120328499
2012-12-27

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

#179
20120321537
2012-12-20

Coating method and device

#180
20120308439
2012-12-06

COLD START CATALYST AND ITS USE IN EXHAUST SYSTEMS

#181
20120301381
2012-11-29

Transition metal/zeolite SCR catalysts

#182
20120301380
2012-11-29

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#183
20120301379
2012-11-29

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#184
20120301378
2012-11-29

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#185
20120294792
2012-11-22

ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts

#186
20120275977
2012-11-01

CATALYSTS FOR TREATING TRANSIENT NOx EMISSIONS

#187
20120251400
2012-10-04

Honeycomb structural body and exhaust gas conversion apparatus

#188
20120208692
2012-08-16

Method for the production of an SCR-active zeolite catalyst, and SCR-active zeolite catalyst

#189
20120207669
2012-08-16

Metallosilicates, processes for producing the same, nitrogen oxide removal catalyst, process for producing the same, and method for removing nitrogen oxide with the same

#190
20120202680
2012-08-09

METHOD FOR THE PREPARATION OF A ZEOLITE-BASED MONOLITHIC STRUCTURE

#191
20120190534
2012-07-26

Zeolite beta and process for producing the same

#192
20120141370
2012-06-07

Highly hydrothermal-resistant SCR catalyst and manufacturing method therefor

#193
20120124975
2012-05-24

Diesel oxidation catalyst articles and methods of making and using

#194
20120124974
2012-05-24

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

#195
20120107204
2012-05-03

Combined slip catalyst and hydrocarbon exotherm catalyst

#196
20120087838
2012-04-12

Catalyst and method of manufacture

#197
20120079817
2012-04-05

Surface-coated zeolite materials for diesel oxidation applications

#198
20120047874
2012-03-01

Bi-functional catalyst materials for lean exhaust NOreduction

#199
20120042631
2012-02-23

CATALYST MATERIALS FOR AMMONIA OXIDATION IN LEAN-BURN ENGINE EXHAUST

#200
20120034133
2012-02-09

Catalyzed SCR filter and emission treatment system

#201
20110305613
2011-12-15

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

#202
20110305612
2011-12-15

NOx storage catalyst with improved hydrocarbon conversion activity

#203
20110300042
2011-12-08

Methods utilizing non-zeolitic metal-containing molecular sieves having the CHA crystal structure

#204
20110300028
2011-12-08

Systems utilizing non-zeolitic metal-containing molecular sieves having the CHA crystal structure

#205
20110286914
2011-11-24

NOVEL METAL-CONTAINING ZEOLITE BETA FOR NOx REDUCTION AND METHODS OF MAKING THE SAME

#206
20110274607
2011-11-10

VANADIA-SUPPORTED ZEOLITES FOR SCR OF NO BY AMMONIA

#207
20110274606
2011-11-10

Thermally regenerable nitric oxide adsorbent

#208
20110262332
2011-10-27

Apparatus and Method for the Treatment of Gas

#209
20110258994
2011-10-27

Bifunctional Catalyst for Decomposition and Oxidation of Nitrogen Monoxide, Composite Catalyst Including the Same for Apparatus to Decrease Exhaust Gas, and Method for Preparation Thereof

#210
20110250127
2011-10-13

Transition metal/zeolite SCR catalysts

#211
20110237425
2011-09-29

Zeolite honeycomb structure

#212
20110237423
2011-09-29

Zeolite structure and manufacturing method thereof

#213
20110236625
2011-09-29

Formed zeolite honeycomb article and fired zeolite honeycomb article

#214
20110236282
2011-09-29

ZrOx, Ce-ZrOx, Ce-Zr-REOx as host matrices for redox active cations for low temperature, hydrothermally durable and poison resistant SCR catalysts

#215
20110217221
2011-09-08

Method and catalyst for removal of nitrogen oxides in a flue gas

#216
20110165040
2011-07-07

DEVICE FOR REMEDIATING EMISSIONS AND METHOD OF MANUFACTURE

#217
20110158877
2011-06-30

Method for the decomposition of NO, catalyst for it, and the preparation of this catalyst

#218
20110136657
2011-06-09

Highly heat-resistant β-type zeolite and SCR catalyst employing the same

#219
20110124490
2011-05-26

Method for producing a platinum catalyst precursor

#220
20110116988
2011-05-19

Honeycomb structural body and exhaust gas converting apparatus

#221
20110116983
2011-05-19

HONEYCOMB STRUCTURE AND EXHAUST GAS CONVERTER

#222
20110105303
2011-05-05

Zeolite structure and method for producing the same

#223
20110070134
2011-03-24

Process and catalyst system for SCR of NO

#224
20110065568
2011-03-17

Catalyst for purifying nitrogen oxide

#225
20110047995
2011-03-03

CATALYST AND METHOD OF MANUFACTURE

#226
20110044871
2011-02-24

Coating composition for diesel oxidation catalysts

#227
20110014099
2011-01-20

Particulate filter with hydrogen sulphide block function

#228
20100322847
2010-12-23

Organotemplate-free synthetic process for the production of a zeolitic material

#229
20100296992
2010-11-25

Honeycomb Catalyst And Catalytic Reduction Method

#230
20100293930
2010-11-25

Method and apparatus for ammonia formation in a catalytic converter

#231
20100290963
2010-11-18

TRANSITION METAL / ZEOLITE SCR CATALYSTS

#232
20100287917
2010-11-18

EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

#233
20100275584
2010-11-04

Exhaust gas purification device for internal combustion engine

#234
20100275581
2010-11-04

Exhaust emission control device for internal combustion engine

#235
20100269491
2010-10-28

Partial filter substrates containing SCR catalysts and methods and emissions treatment systems

#236
20100260652
2010-10-14

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

#237
20100204036
2010-08-12

NOx purifying catalyst

#238
20100196221
2010-08-05

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

#239
20100190634
2010-07-29

NOx purifying catalyst

#240
20100189615
2010-07-29

Mechanically fused materials for pollution abatement in mobile and stationary sources

#241
20100186375
2010-07-29

Layered diesel oxidation catalyst composites

#242
20100183490
2010-07-22

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

#243
20100180582
2010-07-22

Diesel oxidation catalyst with layer structure for improved hydrocarbon conversion

#244
20100180581
2010-07-22

Diesel oxidation catalyst composite with layer structure for carbon monoxide and hydrocarbon conversion

#245
20100172828
2010-07-08

Metal Doped Zeolite and Process for its Preparation

#246
20100166629
2010-07-01

Oxidation catalyst with low CO and HC light-off and systems and methods

#247
20100150801
2010-06-17

FORMED CATALYST FOR NOx REDUCTION

#248
20100143223
2010-06-10

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