ClassID:

30423

B01D2255/504 - CPC Classification

Classification description:

Catalysts; Zeolites ZSM 5 zeolites

Recent Application in this class:
#1
20260115704
2026-04-30

PREPARATION METHOD FOR AND USE OF MOLECULAR SIEVE-BASED HONEYCOMB MONOLITHIC DENITRIFICATION CATALYST

#2
20260115693
2026-04-30

METHOD FOR INCREASING LOADING CAPACITY OF HONEYCOMB CATALYST SUPPORT AND PREPARATION OF DENITRIFICATION CATALYST BASED ON CATALYST SUPPORT

#3
20250381520
2025-12-18

ABATEMENT APPARATUS AND METHOD

#4
20250375736
2025-12-11

SCR CATALYSTS WITH BLENDED OXIDES AND H-ZEOLITES

#5
20240261769
2024-08-08

Isolated Metal Species in Metal-Zeolite Catalytic Material for Low Temperature SCR of NOx with NH3

#6
20240246895
2024-07-25

ABATEMENT OF LOW LEVEL METHANE THROUGH THE USE OF CATALYTIC, EARTH-ABUNDANT MATERIALS

#7
20240246068
2024-07-25

ZEOLITE FOR CARBON DIOXIDE CAPTURE AND METHOD FOR PREPARING THE SAME

#8
20240216864
2024-07-04

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

#9
20240050931
2024-02-15

SOLID POROUS PENTACIL-ZEOLITE COMPOSITE MATERIALS

#10
20230001353
2023-01-05

Transition metal/zeolite SCR catalysts

#11
20220250044
2022-08-11

Manganese-containing diesel oxidation catalyst

#12
20220241725
2022-08-04

METHOD AND APPARATUS FOR ALKANE OXIDATION

#13
20220234032
2022-07-28

Manganese-containing diesel oxidation catalyst

#14
20220152600
2022-05-19

Catalyst for Adsorbing Hydrocarbon and Hydrocarbon Trap Comprising the Same

#15
20210299643
2021-09-30

Ammonia slip catalyst with in-situ PT fixing

#16
20210229035
2021-07-29

Method for removing nitrogen oxides from a gas

#17
20210069684
2021-03-11

Manganese-containing diesel oxidation catalyst

#18
20200316571
2020-10-08

Intra-crystalline binary catalysts and uses thereof

#19
20200300140
2020-09-24

SELECTIVE CATALYTIC REDUCTION SYSTEM AND A METHOD FOR NOx REDUCTION

#20
20200070133
2020-03-05

Bimetallic Cu/Mn catalysts for selective catalytic reduction

#21
20200061536
2020-02-27

A METHOD FOR REMOVING NITROGEN OXIDES FROM A GAS USING AN IRON EXCHANGED ZEOLITE CATALYST

#22
20190358615
2019-11-28

CATALYST COMPOSITIONS

#23
20190351398
2019-11-21

Hydrocarbon trap catalyst

#24
20190345859
2019-11-14

Passive NOadsorber

#25
20190283011
2019-09-19

Ammonia slip catalyst with in-situ PT fixing

#26
20190262809
2019-08-29

Manganese-containing diesel oxidation catalyst

#27
20190262772
2019-08-29

Diesel oxidation catalyst and exhaust system

#28
20190247836
2019-08-15

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

#29
20190232261
2019-08-01

Preparation of a ZSM-5-based catalyst; use in ethylbenzene dealkylation process

#30
20190120109
2019-04-25

Passive nitrogen oxide adsorber catalyst

#31
20190063287
2019-02-28

EXHAUST SYSTEM WITH A MODIFIED LEAN NOx TRAP

#32
20190046962
2019-02-14

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

#33
20180353903
2018-12-13

Diesel oxidation catalyst and exhaust system

#34
20180353902
2018-12-13

Diesel oxidation catalyst and exhaust system

#35
20180345253
2018-12-06

Cluster-supporting catalyst and process for producing the same

#36
20180345218
2018-12-06

Hybrid binary catalysts, methods and uses thereof

#37
20180345217
2018-12-06

4-way hybrid binary catalysts, methods and uses thereof

#38
20180334939
2018-11-22

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

#39
20180298801
2018-10-18

Extruded honeycomb catalyst

#40
20180283333
2018-10-04

Catalytic decomposition of sterol glycosides in a diesel fuel filter

#41
20180280946
2018-10-04

Catalyst for treating an exhaust gas, an exhaust system and a method

#42
20180280879
2018-10-04

Catalyst article for use in an emission treatment system

#43
20180280876
2018-10-04

ASC/DEC with rear-concentrated exotherm generation

#44
20180272279
2018-09-27

Transition metal/zeolite SCR catalysts

#45
20180223711
2018-08-09

Reactive filter for motor vehicle

#46
20180185826
2018-07-05

METHOD FOR PRODUCING EXHAUST GAS PURIFYING FILTER, EXHAUST GAS PURIFYING FILTER, AND EXHAUST GAS PURIFICATION DEVICE

#47
20180169637
2018-06-21

Additives for gas phase oxidative desulfurization catalysts

#48
20180169634
2018-06-21

Porous ceramic body to reduce emissions

#49
20180111084
2018-04-26

Integrated purification method and system for the industrial exhaust gas containing cyanides, hydrocarbons and NO

#50
20180065085
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#51
20180065084
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#52
20180056282
2018-03-01

Hydrocarbon and nitrogen oxides catalyst trap

#53
20180050326
2018-02-22

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

#54
20180029023
2018-02-01

Additives for gas phase oxidative desulfurization catalysts

#55
20170334722
2017-11-23

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

#56
20170282168
2017-10-05

Manufacturing method of honeycomb structure

#57
20170282167
2017-10-05

Honeycomb structure

#58
20170274366
2017-09-28

Honeycomb structure

#59
20170209829
2017-07-27

Integrated membrane-pyrolysis systems and methods

#60
20170197178
2017-07-13

Reducing the emission of nitrogen oxide when starting up systems for producing nitric acid

#61
20170128922
2017-05-11

Cold Start Catalyst and Its Use in Exhaust Systems

#62
20170128914
2017-05-11

Exhaust gas treatment system

#63
20170128883
2017-05-11

High efficiency and durability selective catalytic reduction catalyst

#64
20170128882
2017-05-11

Binary catalyst based selective catalytic reduction filter

#65
20170095804
2017-04-06

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

#66
20170056866
2017-03-02

Three-way catalyst and its use in exhaust systems

#67
20170056823
2017-03-02

Zeolite and redox oxide combined catalyst body

#68
20170007990
2017-01-12

HONEYCOMB DENITRATION CATALYST FOR FLUE GAS AT 400°C-600°C AND PREPARATION METHOD THEREOF

#69
20170001181
2017-01-05

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

#70
20160375429
2016-12-29

Catalytic wall-flow filter having a membrane

#71
20160367975
2016-12-22

AMMONIA SLIP CATALYST WITH LOW N2O FORMATION

#72
20160339389
2016-11-24

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

#73
20160310935
2016-10-27

Diesel particulate filter

#74
20160305303
2016-10-20

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

#75
20160228818
2016-08-11

Three-way catalyst and its use in exhaust systems

#76
20160194818
2016-07-07

Fiber suitable for packaging and storing plant produce

#77
20160193597
2016-07-07

Multilayer coated particle filter

#78
20160166989
2016-06-16

Method for purifying exhaust gas

#79
20160023195
2016-01-28

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

#80
20150336051
2015-11-26

Exhaust-gas purification device and method for the reduction of nitrogen oxides from an exhaust gas of a fossil-fired power plant

#81
20150246346
2015-09-03

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

#82
20150240752
2015-08-27

Exhaust system having NO catalyst in EGR circuit

#83
20150238944
2015-08-27

Zeolite-based SCR catalysts and their use in diesel engine emission treatment

#84
20150224486
2015-08-13

Zeolite promoted V/TiW catalysts

#85
20150202611
2015-07-23

Diesel oxidation catalyst and exhaust system

#86
20150202600
2015-07-23

Diesel oxidation catalyst and exhaust system

#87
20150202572
2015-07-23

Diesel oxidation catalyst and exhaust system

#88
20150202570
2015-07-23

Method for reducing the concentration of nitrogen dioxide

#89
20150174564
2015-06-25

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

#90
20150165423
2015-06-18

Manganese-containing diesel oxidation catalyst

#91
20150165422
2015-06-18

Manganese-containing diesel oxidation catalyst

#92
20150152768
2015-06-04

WALL-FLOW FILTER COMPRISING CATALYTIC WASHCOAT

#93
20150151291
2015-06-04

Catalyst and method of manufacture

#94
20150118119
2015-04-30

THREE-WAY CATALYST AND ITS USE IN EXHAUST SYSTEMS

#95
20150118115
2015-04-30

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#96
20150118114
2015-04-30

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#97
20150110682
2015-04-23

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#98
20150075140
2015-03-19

Exhaust system with a modified lean NOtrap

#99
20150017083
2015-01-15

Coating for reducing nitrogen oxides

#100
20150010455
2015-01-08

Microwave catalyst and preparation process and use thereof

#101
20140378296
2014-12-25

Manufacture of catalyst compositions and systems

#102
20140322127
2014-10-30

Metal doped zeolite and process for its preparation

#103
20140314649
2014-10-23

Process for removing nitrogen oxides from gas using microwave catalytic reaction by microwave catalysis

#104
20140271428
2014-09-18

Catalyst compositions, articles, methods and systems

#105
20140170043
2014-06-19

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

#106
20130336872
2013-12-19

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

#107
20130190166
2013-07-25

NOx reduction catalyst for exhaust gas and method for producing same

#108
20130149225
2013-06-13

Process and apparatus for eliminating NOX and N2O

#109
20130089483
2013-04-11

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

#110
20120308439
2012-12-06

COLD START CATALYST AND ITS USE IN EXHAUST SYSTEMS

#111
20120301381
2012-11-29

Transition metal/zeolite SCR catalysts

#112
20120301380
2012-11-29

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#113
20120301379
2012-11-29

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#114
20120301378
2012-11-29

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#115
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

#116
20120285148
2012-11-15

CATALYST DEVICE

#117
20120208692
2012-08-16

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

#118
20120202680
2012-08-09

METHOD FOR THE PREPARATION OF A ZEOLITE-BASED MONOLITHIC STRUCTURE

#119
20120134891
2012-05-31

Porous ceramic honeycomb articles and methods for making the same

#120
20120117948
2012-05-17

Exhaust gas aftertreatment

#121
20120087838
2012-04-12

Catalyst and method of manufacture

#122
20120079817
2012-04-05

Surface-coated zeolite materials for diesel oxidation applications

#123
20120058034
2012-03-08

Zeolite and redox oxide combined catalyst body

#124
20120039759
2012-02-16

Zeolite-based SCR catalysts and their use in diesel engine emission treatment

#125
20120014865
2012-01-19

Copper containing ZSM-34, OFF and/or ERI zeolitic material for selective reduction of NOx

#126
20110305614
2011-12-15

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

#127
20110300042
2011-12-08

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

#128
20110300028
2011-12-08

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

#129
20110274607
2011-11-10

VANADIA-SUPPORTED ZEOLITES FOR SCR OF NO BY AMMONIA

#130
20110250127
2011-10-13

Transition metal/zeolite SCR catalysts

#131
20110236625
2011-09-29

Formed zeolite honeycomb article and fired zeolite honeycomb article

#132
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

#133
20110229391
2011-09-22

Particle reduction with combined SCR and NH3 slip catalyst

#134
20110116988
2011-05-19

Honeycomb structural body and exhaust gas converting apparatus

#135
20110116983
2011-05-19

HONEYCOMB STRUCTURE AND EXHAUST GAS CONVERTER

#136
20110105303
2011-05-05

Zeolite structure and method for producing the same

#137
20110052454
2011-03-03

EXHAUST GAS PURIFICATION APPARATUS

#138
20110047995
2011-03-03

CATALYST AND METHOD OF MANUFACTURE

#139
20110044871
2011-02-24

Coating composition for diesel oxidation catalysts

#140
20110014099
2011-01-20

Particulate filter with hydrogen sulphide block function

#141
20100303677
2010-12-02

Particulate filter with low soot loaded coating

#142
20100296992
2010-11-25

Honeycomb Catalyst And Catalytic Reduction Method

#143
20100293930
2010-11-25

Method and apparatus for ammonia formation in a catalytic converter

#144
20100290963
2010-11-18

TRANSITION METAL / ZEOLITE SCR CATALYSTS

#145
20100287918
2010-11-18

NOadsorbing apparatus and exhaust-gas converting apparatus

#146
20100221164
2010-09-02

NOemission control system for hydrocarbon fueled power source

#147
20100221160
2010-09-02

Ceria-zirconia-zeolite catalyst body

#148
20100196221
2010-08-05

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

#149
20100186375
2010-07-29

Layered diesel oxidation catalyst composites

#150
20100183490
2010-07-22

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

#151
20100172828
2010-07-08

Metal Doped Zeolite and Process for its Preparation

#152
20100150801
2010-06-17

FORMED CATALYST FOR NOx REDUCTION

#153
20100143228
2010-06-10

Zeolite catalyst for removing nitrogen oxides, method for preparing the same, and method of removing nitrogen oxides using the same

#154
20100137127
2010-06-03

PRODUCTION PROCESS FOR NOx ADSORPTION MATERIAL AND NOx ADSORPTION MATERIAL

#155
20100135864
2010-06-03

Photocatalytic material and photocatalytic member and purification device using the photocatalytic material

#156
20100126143
2010-05-27

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

#157
20100098612
2010-04-22

Method and architecture for reducing NOX and particulate matter emissions in exhaust gas from hydrocarbon fuel source with a fuel lean combustion mixture

#158
20090304566
2009-12-10

Ammonia SCR catalyst and method of using the catalyst

#159
20090291838
2009-11-26

Urea SCR catalyst and manufacturing method for the same

#160
20090291254
2009-11-26

Honeycomb structure

#161
20090291253
2009-11-26

Honeycomb structure

#162
20090263297
2009-10-22

CATALYST AND METHOD OF MANUFACTURE

#163
20090199546
2009-08-13

Device for reducing dibenzodioxin emissions, dibenzofuran emissions and particle emissions

#164
20090199545
2009-08-13

Apparatus for reducing dibenzodioxin emissions and dibenzofuran emissions from transition metal-containing catalyzers

#165
20090197761
2009-08-06

ADSORBENT FOR EXHAUST GAS

#166
20090196812
2009-08-06

Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure

#167
20090087367
2009-04-02

Ammonia oxidation catalyst for power utilities

#168
20090075813
2009-03-19

CATALYST AND METHOD OF MANUFACTURE

#169
20080286184
2008-11-20

Selective catalytic reduction type catalyst

#170
20080279741
2008-11-13

Reactor system for reducing NOemissions from boilers

#171
20080227627
2008-09-18

Catalyst For the Treatment of Exhaust Gases and Processes For Producing the Same

#172
20080167178
2008-07-10

High temperature ammonia SCR catalyst and method of using the catalyst

#173
20080072578
2008-03-27

Treatment Systems and Methods for Internal Combustion Engine Exhaust Streams

#174
20080064587
2008-03-13

Oxidation Catalyst for Exhaust Gas Purification, Catalyst Structure for Exhaust Gas Purification and Method for Purifying Exhaust Gas

#175
20080044331
2008-02-21

Method for Reducing the Content of N2O and NOx in Gases

#176
20070149385
2007-06-28

Catalyst system for reducing nitrogen oxide emissions

#177
20070110650
2007-05-17

Catalyst arrangement and method of purifying the exhaust gas of internal combustion engines operated under lean conditions

#178
20060240975
2006-10-26

NOcatalyst and method of suppressing sulfate formation in an exhaust purification system

#179
20060228283
2006-10-12

Catalyst and method for reducing nitrogen oxides in exhaust streams with hydrocarbons or alcohols

#180
20060159607
2006-07-20

Catalyst and method for reduction of nitrogen oxides

#181
20060035780
2006-02-16

Catalyst for purifying diesel engine exhaust emissions

#182
20050196333
2005-09-08

Process for reducing nitrogen oxides

#183
17137028
2022-02-15

Core-shell structured catalyst, preparation method thereof and method for treating industrial tail gas