ClassID:

30377

B01D2255/1023 - CPC Classification

Classification description:

Catalysts; Noble metals or compounds thereof; Platinum group metals Palladium

Recent Application in this class:
#1
20260138124
2026-05-21

Production Method for Exhaust Gas Purification Catalyst and Chemical Solution Plate used in said Production Method

#2
20260124603
2026-05-07

COMPOSITE CATALYST FOR HYDROGEN-SELECTIVE CATALYTIC REDUCTION, METHOD OF PREPARING THE SAME, AND AIR PURIFICATION DEVICE INCLUDING COMPOSITE CATALYST

#3
20260115662
2026-04-30

METHOD FOR CONTROLLING SEMICONDUCTOR PROCESS ENVIRONMENT

#4
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

#5
20260097364
2026-04-09

CATALYZED PARTICULATE FILTER

#6
20260097363
2026-04-09

Catalyst for Exhaust Gas Purification

#7
20260014520
2026-01-15

PLATINUM PARTITIONING IN CATALYST ARTICLE FOR THREE-WAY CATALYSIS

#8
20260001036
2026-01-01

METHANE MITIGATION SYSTEM

#9
20250381560
2025-12-18

Method For Producing Exhaust Gas Purification Catalyst

#10
20250381524
2025-12-18

CATALYST BODY FOR PURIFYING EXHAUST GAS OF GASOLINE ENGINE, AND EXHAUST GAS PURIFICATION SYSTEM USING SAME

#11
20250381520
2025-12-18

ABATEMENT APPARATUS AND METHOD

#12
20250367603
2025-12-04

TWO-LAYER, THREE-WAY CATALYST WITH SIGNIFICANTLY IMPROVED CO CONVERSION

#13
20250360499
2025-11-27

A DIESEL OXIDATION CATALYST AND A METHOD FOR ITS MANUFACTURE

#14
20250352991
2025-11-20

UNCALCINED CATALYST PRECURSOR FOR A DIESEL OXIDATION CATALYST

#15
20250339850
2025-11-06

METHOD FOR MANUFACTURING EXHAUST GAS-PURIFYING CATALYST FOR INHIBITING SINTERING OF ACTIVE PRECIOUS METAL COMPONENT

#16
20250325943
2025-10-23

EXHAUST TREATMENT SYSTEM FOR AMMONIA-FUELED VEHICLES

#17
20250312739
2025-10-09

EXHAUST GAS SYSTEM FOR PREDOMINANTLY STOICHIOMETRICALLY OPERATED INTERNAL COMBUSTION ENGINES, COMPRISING A CATALYST FOR REDUCING AMMONIA EMISSIONS

#18
20250303396
2025-10-02

COMPOSITIONS FOR AND METHOD OF MAKING METHANE ABATEMENT CATALYSTS

#19
20250303365
2025-10-02

EXHAUST GAS PURIFICATION CATALYST

#20
20250288980
2025-09-18

COMPOSITE, ZONED OXIDATION CATALYST FOR A COMPRESSION IGNITION INTERNAL COMBUSTION ENGINE

#21
20250288938
2025-09-18

HYDROCARBON TRAP, EXHAUST PURIFICATION DEVICE AND HYBRID VEHICLE

#22
20250242308
2025-07-31

OXIDATION CATALYST FOR EXHAUST GAS PURIFICATION AND EXHAUST GAS OXIDATION METHOD USING SAME

#23
20250235852
2025-07-24

EXHAUST GAS PURIFICATION CATALYST

#24
20250235824
2025-07-24

EXHAUST GAS PURIFICATION CATALYST, METHOD FOR PURIFYING EXHAUST GAS, AND METHOD FOR PRODUCING EXHAUST GAS PURIFICATION CATALYST

#25
20250229227
2025-07-17

MULTI-LAYER TWC FORMULATIONS WITH OPTIMALIZED PGM LOADINGS

#26
20250214071
2025-07-03

LAYERED AND PARTITIONED CATALYST ARTICLE

#27
20250186976
2025-06-12

Exhaust Gas Purifying Catalyst

#28
20250153102
2025-05-15

METHANE MITIGATION SYSTEM WITH USE OF WASTE HEAT FOR POWER GENERATION

#29
20250125063
2025-04-17

PASSIVE APPARATUS FOR REDUCING FLOATING RADIOACTIVE MATERIAL IN CONTAINMENT BUILDING

#30
20250099943
2025-03-27

METAL PROMOTED PALLADIUM AND/OR PLATINUM-CONTAINING CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS

#31
20250091004
2025-03-20

GASOLINE PARTICULATE FILTER

#32
20250083102
2025-03-13

EXHAUST GAS PURIFICATION CATALYST

#33
20250083095
2025-03-13

VOC REMOVAL APPARATUS

#34
20250083093
2025-03-13

VOC ADSORPTION ROTOR

#35
20250058274
2025-02-20

PROCESS AND SYSTEM FOR REMOVING IMPURITIES FROM A GAS STREAM

#36
20250050318
2025-02-13

RHODIUM-FREE TWC CATALYTIC ARTICLE

#37
20250041839
2025-02-06

CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTRATION EFFICIENCY

#38
20250032983
2025-01-30

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

#39
20250001405
2025-01-02

CATALYST FOR EXHAUST GAS PURIFICATION AND EXHAUST GAS PURIFICATION METHOD USING SAME

#40
20240424445
2024-12-26

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

#41
20240424444
2024-12-26

PARTICULATE FILTER HAVING A CENTRALIZED-DISTRIBUTED PGM AND PROCESS FOR PREPARING THE SAME

#42
20240416327
2024-12-19

CATALYST FOR REDUCING SOX AND NOX IN FLUE GAS AND PREPARATION METHOD THEREOF, AND METHOD FOR REMOVING SOX AND NOX FROM FLUE GAS

#43
20240409417
2024-12-12

POROUS CARBON MATERIAL COMPOSITES AND THEIR PRODUCTION PROCESS, ADSORBENTS, COSMETICS, PURIFICATION AGENTS, AND COMPOSITE PHOTOCATALYST MATERIALS

#44
20240408615
2024-12-12

AMBIENT AIR PURIFIER WITH OZONE CATALYST

#45
20240399353
2024-12-05

EXHAUST GAS PURIFICATION CATALYST

#46
20240399309
2024-12-05

CATALYTIC WALL FLOW FILTER

#47
20240399283
2024-12-05

VACUUM CARBURIZING HARMFUL EXHAUST GASE REDUCCTION APPARATUS AND VACUUM CARBURIZING HARMFUL EXHAUST GASE REDUCCTION METHOD USING THE SAME

#48
20240390853
2024-11-28

EXHAUST GAS PURIFICATION DEVICE

#49
20240390847
2024-11-28

PYROLYSIS GAS TREATMENT INCLUDING HALOGEN AND/OR SULFUR REMOVAL

#50
20240375092
2024-11-14

ELECTRICALLY HEATED CATALYST DEVICE

#51
20240375087
2024-11-14

ELECTRICALLY HEATED CATALYST DEVICE

#52
20240375049
2024-11-14

NOX ADSORBER DOC (NA-DOC) CATALYST

#53
20240375048
2024-11-14

EXHAUST GAS PURIFICATION CATALYST DEVICE

#54
20240367145
2024-11-07

EXHAUST GAS CLEANING CATALYST AND PRODUCTION METHOD THEREFOR

#55
20240336504
2024-10-10

SYSTEMS FOR CATALYTICALLY REMOVING PER- AND POLYFLUOROALKYL SUBSTANCES FROM A FLUID AND RELATED METHODS

#56
20240327574
2024-10-03

POLYIMIDE COPOLYMERS AND MEMBRANES, PREPARATION METHODS AND USES THEREOF AS WELL AS SYSTEMS AND METHODS FOR PURIFYING HELIUM GAS

#57
20240316497
2024-09-26

EXHAUST GAS PURIFYING CATALYST

#58
20240316496
2024-09-26

NOX ADSORBER DIESEL OXIDATION CATALYST

#59
20240307822
2024-09-19

EMISSION TREATMENT CATALYSTS, SYSTEMS AND METHODS

#60
20240287923
2024-08-29

Catalytic wall flow filter

#61
20240280038
2024-08-22

Particulate filter

#62
20240278218
2024-08-22

CATALYST ARTICLE HAVING HIGH LOCAL RHODIUM CONCENTRATION

#63
20240278217
2024-08-22

EXHAUST GAS PURIFICATION CATALYST

#64
20240269612
2024-08-15

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

#65
20240253010
2024-08-01

ADVANCED ANTIMICROBIAL AND CHEMICAL FILTERS FOR GAS AND WATER SYSTEMS

#66
20240252976
2024-08-01

METHOD FOR PRE-PURIFICATION OF A FEED GAS STREAM

#67
20240238770
2024-07-18

TWC ACTIVITY USING RHODIUM/PLATINUM AND GALLIC ACID AS A COMPLEXING AND REDUCING AGENT

#68
20240238764
2024-07-18

HYDROCARBON REDUCTION CATALYST AND VEHICLE EXHAUST GAS PURIFICATION DEVICE COMPRISING THE SAME

#69
20240238726
2024-07-18

PALLADIUM FIXING USING GALLIC ACID OR ITS DERIVATIVE

#70
20240238725
2024-07-18

CATALYST COMPOSITION

#71
20240216864
2024-07-04

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

#72
20240198323
2024-06-20

A CATALYTICALLY ACTIVE PRODUCT, A METHOD OF PRODUCING SUCH A PRODUCT AND A REACTOR COMPRISING SAID PRODUCT

#73
20240189771
2024-06-13

PLATINUM-CONTAINING THREE-WAY CATALYST FOR CLOSE-COUPLED ENGINE APPLICATION

#74
20240157348
2024-05-16

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

#75
20240157341
2024-05-16

EXHAUST GAS PURIFICATION CATALYST AND EXHAUST GAS PURIFICATION SYSTEM

#76
20240149260
2024-05-09

EXHAUST GAS PURIFICATION DEVICE

#77
20240149257
2024-05-09

PARTICLE FILTER FOR EXHAUST GAS OF GASOLINE ENGINES

#78
20240149251
2024-05-09

EXHAUST GAS PURIFICATION CATALYST COMPOSITION AND EXHAUST GAS PURIFICATION CATALYST

#79
20240141812
2024-05-02

Filter for the aftertreatment of exhaust gases of internal combustion engines

#80
20240115998
2024-04-11

GASOLINE ENGINE EXHAUST GAS PURIFYING CATALYST FILTER

#81
20240110494
2024-04-04

TINY TRANSITION METAL INCORPORATED CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS

#82
20240109060
2024-04-04

CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTRATION EFFICIENCY

#83
20240100478
2024-03-28

CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTERING EFFICIENCY

#84
20240091704
2024-03-21

FIRED EQUIPMENT EXHAUST RECOVERY SYSTEM

#85
20240075463
2024-03-07

PARTICLES FOR EXHAUST GAS PURIFICATION CATALYST

#86
20240072279
2024-02-29

Hydrogen Storage Assembly

#87
20240066468
2024-02-29

EXHAUST GAS TREATMENT SYSTEM

#88
20240066467
2024-02-29

CATALYTIC DIHYDROGEN RECOMBINER

#89
20240058792
2024-02-22

Catalytic material with sulfur-tolerant support

#90
20240058791
2024-02-22

PLATINUM GROUP METAL CATALYST COMPOSITION FOR TWC APPLICATION

#91
20240033687
2024-02-01

CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTERING EFFICIENCY

#92
20240024818
2024-01-25

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

#93
20240017246
2024-01-18

EXHAUST GAS PURIFICATION DEVICE AND METHOD FOR MANUFACTURING EXHAUST GAS PURIFICATION DEVICE

#94
20240017245
2024-01-18

METHOD FOR PREPARING NOX STORAGE-REDUCTION CATALYST ARTICLE COMPRISING RUTHENIUM COMPOSITE, AND EXHAUST TREATMENT SYSTEM COMPRISING SAME

#95
20240017213
2024-01-18

CATALYTICALLY ACTIVE PARTICLE FILTER HAVING A HIGH DEGREE OF FILTERING EFFICIENCY

#96
20240011421
2024-01-11

System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element

#97
20240009621
2024-01-11

Exhaust Gas Purification Catalyst

#98
20240001354
2024-01-04

Multifunctional catalyst for hydrocarbon oxidation and selective catalytic reduction of NOx

#99
20240001343
2024-01-04

PLATINUM ENRICHED MULTI-REGION CATALYSTS FOR CNG ENGINE EXHAUST GAS TREATMENTS

#100
20240001299
2024-01-04

EXHAUST GAS PURIFICATION SYSTEM FOR STOICHIOMETRIC-COMBUSTION ENGINES

#101
20230405569
2023-12-21

EXHAUST GAS PURIFICATION CATALYST

#102
20230405568
2023-12-21

ZONED CATALYTIC ARTICLE

#103
20230405559
2023-12-21

TEMPLATED ENCAPSULATION OF PT-BASED CATALYSTS FOR PROMOTING HIGH-TEMPERATURE STABILITY

#104
20230381748
2023-11-30

EXHAUST GAS PURIFICATION CATALYST DEVICE

#105
20230381746
2023-11-30

METHOD FOR MANUFACTURING GASOLINE PARTICULATE FILTER

#106
20230374925
2023-11-23

HEATING CARRIER, AND EXHAUST GAS REDUCTION CARRIER HAVING HEATING CARRIER

#107
20230372917
2023-11-23

EXHAUST GAS PURIFICATION DEVICE AND METHOD FOR MANUFACTURING EXHAUST GAS PURIFICATION DEVICE

#108
20230372905
2023-11-23

DIESEL OXIDATION CATALYST WITH ENHANCED HYDROCARBON LIGHT-OFF PROPERTIES

#109
20230356204
2023-11-09

BISMUT CONTAINING DIESELOXIDATION CATALYST

#110
20230340899
2023-10-26

EXHAUST GAS PURIFICATION SYSTEM FOR A GASOLINE ENGINE

#111
20230340898
2023-10-26

Low temperature NOx reduction using H2-SCR for diesel vehicles

#112
20230338940
2023-10-26

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

#113
20230338939
2023-10-26

Diesel Oxidation Catalyst

#114
20230338938
2023-10-26

EMISSION CONTROL CATALYST ARTICLE WITH ENRICHED PGM ZONE, METHOD AND APPARATUS TO PRODUCE THE SAME

#115
20230330653
2023-10-19

THREE-WAY CONVERSION CATALYTIC ARTICLE

#116
20230330649
2023-10-19

MSECT-4 molecular sieves with off and ERI topologies, preparation method therefor, and applications thereof

#117
20230330638
2023-10-19

LAYERED CATALYTIC ARTICLE AND PROCESS FOR PREPARING THE CATALYTIC ARTICLE

#118
20230330632
2023-10-19

PHOTO CATALYTIC DEVICE FOR CONTINUOUS PROCESS FOR CO-CONVERSION OF CO2+H2O TO C1-OXYGENATES IN SUNLIGHT

#119
20230330598
2023-10-19

Catalytic system for the treatment of an exhaust gas of a combustion engine

#120
20230321636
2023-10-12

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

#121
20230302438
2023-09-28

Exhaust gas purification catalyst

#122
20230302435
2023-09-28

Catalyst for purification of exhaust gas and production method thereof

#123
20230302434
2023-09-28

Exhaust gas purification catalyst

#124
20230302406
2023-09-28

EXHAUST GAS PURIFICATION CATALYST DEVICE

#125
20230294078
2023-09-21

EXHAUST GAS PURIFICATION CATALYST

#126
20230294077
2023-09-21

METHOD OF PRODUCING CATALYST FOR EXHAUST GAS PURIFICATION

#127
20230287822
2023-09-14

Exhaust treatment system for dual fuel engines

#128
20230285899
2023-09-14

Catalytically active particulate filter

#129
20230278019
2023-09-07

Catalyst for exhaust gas purification and manufacturing method thereof

#130
20230278018
2023-09-07

COMPOSITE, ZONED OXIDATION CATALYST FOR A COMPRESSION IGNITION INTERNAL COMBUSTION ENGINE

#131
20230277986
2023-09-07

Exhaust Gas Purification Catalyst

#132
20230271164
2023-08-31

Ce-Zr COMPOSITE OXIDE AND EXHAUST GAS PURIFICATION CATALYST USING SAME

#133
20230264146
2023-08-24

SYSTEM FOR THE REMOVAL OF HYDROGEN/OXYGEN IN A GASEOUS STREAM

#134
20230250747
2023-08-10

Accelerated catalyst reactivation control strategy for gasoline vehicle emissions system in conjunction with N2 selective catalyst to minimize NOX remake

#135
20230249159
2023-08-10

Exhaust gas purification catalyst

#136
20230249158
2023-08-10

THREE-WAY CATALYTIC CONVERSION SYSTEM FOR PURIFICATION TREATMENT OF ENGINE EXHAUST GAS AND USE THEREOF

#137
20230241587
2023-08-03

Surface-modified alumina compound for gasoline exhaust gas applications

#138
20230241585
2023-08-03

Surface-modified ceria-zirconia mixed oxide compound for gasoline exhaust

#139
20230226490
2023-07-20

HIGH ENTROPY RARE EARTH OXIDES FOR EMISSIONS CONTROL

#140
20230219064
2023-07-13

EXHAUST GAS EMISSIONS ABATEMENT SYSTEM

#141
20230219039
2023-07-13

EXHAUST GAS TREATMENT SYSTEM COMPRISING A MULTIFUNCTIONAL CATALYST

#142
20230211323
2023-07-06

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

#143
20230191382
2023-06-22

CATALYTIC MATERIAL FOR TREATING AN EXHAUST GAS PRODUCED BY A NATURAL GAS ENGINE

#144
20230191374
2023-06-22

CATALYTIC MATERIAL FOR TREATING AN EXHAUST GAS PRODUCED BY A NATURAL GAS ENGINE

#145
20230158454
2023-05-25

Oxidation catalyst with phosphorus trap

#146
20230147850
2023-05-11

AN EMISSION CONTROL CATALYST ARTICLE WITH PGM-GRADIENT ARCHITECTURE

#147
20230143941
2023-05-11

CATALYSTS FOR GASOLINE EXHAUST GAS TREATMENTS WITH IMPROVED AMMONIA EMISSION CONTROL

#148
20230114106
2023-04-13

EXHAUST GAS PURIFICATION CATALYST DEVICE

#149
20230110753
2023-04-13

Catalyst article for exhaust system of natural gas engine

#150
20230104565
2023-04-06

LAYERED ZONE-COATED DIESEL OXIDATION CATALYSTS FOR IMPROVED CO/HC CONVERSION AND NO OXIDATION

#151
20230086873
2023-03-23

Exhaust gas control system and exhaust gas control method

#152
20230079926
2023-03-16

ELECTRIC FIELD ASSISTED RANQUE-HILSCH (EFARH) VORTEX TUBE FOR ENHANCED PRODUCT SEPARATION AND TRANSFORMATION

#153
20230076536
2023-03-09

EXHAUST GAS PURIFICATION CATALYST DEVICE

#154
20230074054
2023-03-09

INHIBITION-FREE LOW-TEMPERATURE ENGINE EXHAUST OXIDATION CATALYST

#155
20230070493
2023-03-09

TWC CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS

#156
20230045409
2023-02-09

Double-layer three-way catalyst with further improved ageing stability

#157
20230032414
2023-02-02

EXHAUST PURIFICATION CATALYST

#158
20230029275
2023-01-26

EXHAUST GAS PURIFICATION CATALYST

#159
20230027701
2023-01-26

CATALYZED SOOT FILTER WITH REDUCED AMMONIA OXIDATION

#160
20230018328
2023-01-19

ANIONIC PGM CARBOXYLATE ASSISTED PGM NANOPARTICLE SYNTHESIS FOR EXHAUST GAS TREATMENT APPLICATIONS

#161
20230016066
2023-01-19

AN EMMISSION CONTROL CATALYST ARTICLE WITH ENRICHED PGM ZONE

#162
20220410133
2022-12-29

Low temperature NOadsorber with enhanced regeneration efficiency

#163
20220410129
2022-12-29

A CATALYST ARTICLE FOR CAPTURING PARTICULATE MATTER

#164
20220401926
2022-12-22

Palladium fixing and low fresh oxygen storage capacity using tannic acid as a complexing and reducing agent

#165
20220395814
2022-12-15

PARTICULATE FILTER

#166
20220395777
2022-12-15

Methane Oxidation Catalyst and Method of Using Same

#167
20220379293
2022-12-01

DIESEL OXIDATION CATALYST

#168
20220362756
2022-11-17

Exhaust gas purification catalyst

#169
20220347661
2022-11-03

Zeolite with Cu and Pd co-exchanged in a composite

#170
20220341359
2022-10-27

Accelerated catalyst reactivation control strategy for gasoline vehicle emissions system in conjunction with N2 selective catalyst to minimize NOX remake

#171
20220339613
2022-10-27

Passive NOadsorber

#172
20220339581
2022-10-27

CATALYST FOR THE ABATEMENT OF AMMONIA AND NITROGEN OXIDE EMISSIONS FROM THE EXHAUST GASES OF COMBUSTION ENGINES

#173
20220331781
2022-10-20

POWDER OF COMPLEX OXIDE CONTAINING CERIUM AND ZIRCONIUM ELEMENTS, EXHAUST GAS PURIFICATION CATALYST COMPOSITION USING THE SAME, AND METHOD OF PRODUCING THE SAME

#174
20220323905
2022-10-13

Exhaust treatment system for ammonia-fueled vehicles

#175
20220316372
2022-10-06

Particulate filter

#176
20220305478
2022-09-29

Honeycomb filter

#177
20220305422
2022-09-29

HONEYCOMB FILTER

#178
20220297095
2022-09-22

PREPARATION OF SUPPORTED METAL NANOPARTICLES USING POLYAMINE FOR THREE-WAY CATALYSIS APPLICATION

#179
20220297094
2022-09-22

Exhaust gas purification catalyst

#180
20220282650
2022-09-08

System comprising vehicular compression ignition engine and an emissions control device comprising an electrically heatable element

#181
20220280921
2022-09-08

EXHAUST GAS PURIFICATION CATALYST, METHOD OF PURIFYING EXHAUST GAS, AND METHOD OF MANUFACTURING EXHAUST GAS PURIFICATION CATALYST

#182
20220250928
2022-08-11

Iron-loaded small pore aluminosilicate zeolites and method of making metal loaded small pore aluminosilicate zeolites

#183
20220250044
2022-08-11

Manganese-containing diesel oxidation catalyst

#184
20220250037
2022-08-11

EXHAUST GAS PURIFICATION CATALYST DEVICE

#185
20220250005
2022-08-11

Emission treatment catalysts, systems and methods

#186
20220241762
2022-08-04

Zeolite synthesis with alkaline earth metal

#187
20220241761
2022-08-04

Coordinated emission control system including diesel oxidation catalyst and low temperature NOadsorber

#188
20220241726
2022-08-04

Low-temperature NOstorage catalyst used for automobile exhaust purification and preparation method thereof

#189
20220241725
2022-08-04

METHOD AND APPARATUS FOR ALKANE OXIDATION

#190
20220234032
2022-07-28

Manganese-containing diesel oxidation catalyst

#191
20220228520
2022-07-21

Exhaust gas purification system

#192
20220226760
2022-07-21

Exhaust gas purification filter

#193
20220212178
2022-07-07

METAL OXIDE NANOPARTICLES BASED CATALYST AND METHOD OF MANUFACTURING AND USING THE SAME

#194
20220212169
2022-07-07

AUTOMOTIVE 3-WAY CATALYST SYSTEM CONTAINING A TAIL PIPE CATALYST

#195
20220212162
2022-07-07

Low temperature NOx adsorber with enhanced hydrothermal stability

#196
20220203339
2022-06-30

LAYERED CATALYTIC ARTICLE AND METHOD OF MANUFACTURING THE CATALYTIC ARTICLE

#197
20220203336
2022-06-30

Exhaust gas treatment system for ultra low NOx and cold start

#198
20220193639
2022-06-23

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

#199
20220193638
2022-06-23

Exhaust gas purification catalyst

#200
20220178290
2022-06-09

Exhaust gas heating unit

#201
20220176364
2022-06-09

CATALYTICALLY ACTIVE PARTICULATE FILTER

#202
20220176355
2022-06-09

Catalytically active particulate filter

#203
20220176353
2022-06-09

Exhaust gas purification catalyst

#204
20220176351
2022-06-09

Catalyst Material

#205
20220168721
2022-06-02

CATALYTICALLY ACTIVE PARTICULATE FILTER

#206
20220161248
2022-05-26

Low temperature CO oxidation catalyst

#207
20220161236
2022-05-26

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

#208
20220154621
2022-05-19

Exhaust Gas Purification Catalyst

#209
20220152595
2022-05-19

Tunable NOadsorber

#210
20220152590
2022-05-19

Methane Oxidation Catalyst and Method of Using Same

#211
20220136424
2022-05-05

Internal Combustion Engine Exhaust Aftertreatment System

#212
20220134314
2022-05-05

Tri-metal PGM catalysts for gasoline engine exhaust gas treatments

#213
20220118428
2022-04-21

Exhaust gas purification device

#214
20220118427
2022-04-21

USE OF CERIUM OXIDE FOR THE PREPARATION OF A LEAN NOX TRAP CATALYTIC COMPOSITION AND A METHOD OF TREATMENT OF AN EXHAUST GAS USING THE COMPOSITION

#215
20220111376
2022-04-14

Particulate filters

#216
20220105494
2022-04-07

CATALYST FOR PURIFYING EXHAUST GAS

#217
20220105492
2022-04-07

Precious group metal on pyrochlore-phase ceria zirconia with superior oxygen storage capacity and TWC performance

#218
20220088575
2022-03-24

CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS AND THEIR NOVEL SYNTHESES

#219
20220080394
2022-03-17

Passive nitrogen oxide adsorber having oxidation-catalytically active function

#220
20220080354
2022-03-17

Metallic base material for exhaust purging, and exhaust purging device using same

#221
20220072514
2022-03-10

NOx ADSORBER CATALYST

#222
20220065149
2022-03-03

EXHAUST GAS PURIFICATION SYSTEM WITH AIR INJECTION

#223
20220062884
2022-03-03

Exhaust gas purification device

#224
20220062869
2022-03-03

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

#225
20220055021
2022-02-24

LAYERED THREE-WAY CONVERSION (TWC) CATALYST AND METHOD OF MANUFACURING THE CATALYST

#226
20220054975
2022-02-24

System for pre-purification of a feed gas stream

#227
20220040676
2022-02-10

Monolith substrate, method for producing monolith substrate, and exhaust gas purification catalyst comprising monolith substrate

#228
20220034858
2022-02-03

Method of selectively catalytically oxidizing dinitrogen oxide, a method of detecting radiocarbon, an apparatus, and use of a NiO catalyst

#229
20220023847
2022-01-27

Catalyst for exhaust gas oxidation, method for producing same, and exhaust gas oxidation method using same

#230
20220016614
2022-01-20

Exhaust Gas Purification Catalyst and Exhaust Gas Purification Method

#231
20220016601
2022-01-20

EXHAUST-GAS PURIFICATION APPARATUS AND METHOD FOR MANUFACTURING SAME

#232
20220003139
2022-01-06

Exhaust gas purification system for a gasoline engine

#233
20210402378
2021-12-30

Exhaust-gas purification catalyst and exhaust-gas treatment apparatus

#234
20210387170
2021-12-16

Exhaust treatment system including nickel-containing catalyst

#235
20210387169
2021-12-16

Method of using a sulfur-tolerant catalyst

#236
20210387145
2021-12-16

Exhaust treatment system for a lean burn engine

#237
20210381418
2021-12-09

Method of manufacturing electrically heated catalyst device, metal thin plate for electrode of electrically heated catalyst device, and electrically heated catalyst device

#238
20210381415
2021-12-09

Exhaust gas purification system for a gasoline engine

#239
20210379566
2021-12-09

Diesel engine exhaust gas purification catalyst, production method therefor, and exhaust gas purification method using the same

#240
20210379529
2021-12-09

Exhaust gas purification system for a gasoline engine

#241
20210372311
2021-12-02

Electrically heated catalyst device

#242
20210348537
2021-11-11

Exhaust gas purification system for a gasoline engine

#243
20210346878
2021-11-11

Three-zone two-layer TWC catalyst in gasoline waste gas applications

#244
20210346842
2021-11-11

Low temperature nitrogen oxide adsorber

#245
20210332731
2021-10-28

Exhaust gas purification system for a gasoline engine

#246
20210331144
2021-10-28

Cluster supported catalyst and production method therefor

#247
20210331143
2021-10-28

Cluster supported catalyst and production method therefor

#248
20210331142
2021-10-28

Multi-region catalysts for CNG engine exhaust gas treatments with improved ammonia leakage control

#249
20210331117
2021-10-28

Thermal oxidation of volatile organic compounds using a catalyst layer within a waste heat recovery unit

#250
20210299638
2021-09-30

Exhaust gas purification catalyst, exhaust gas purification method, and production method for exhaust gas purification catalyst

#251
20210283589
2021-09-16

Exhaust gas purification device

#252
20210283582
2021-09-16

CATALYTIC ARTICLES

#253
20210283581
2021-09-16

Methane oxidation catalyst, process to prepare the same and method of using the same

#254
20210283580
2021-09-16

TWC system for fuel cut NOcontrol

#255
20210252456
2021-08-19

Nitrogen oxide storage catalyst

#256
20210245147
2021-08-12

Porous structure for exhaust gas purification catalyst, exhaust gas purification catalyst using porous structure, and exhaust gas purification method

#257
20210237039
2021-08-05

Perovskites oxygen storage and release materials and their use for exhaust gas treatment

#258
20210229078
2021-07-29

Combination of Pseudobrookite Oxide and Low Loading of PGM as High Sulfur-Resistant Catalyst for Diesel Oxidation Applications

#259
20210213434
2021-07-15

Diesel oxidation catalysts for ultralow NOcontrol

#260
20210213433
2021-07-15

Zeolite catalyst and method for producing lower olefin

#261
20210207513
2021-07-08

Co clean-up catalyst, after treatment system and after treatment method

#262
20210205793
2021-07-08

Oxygen storage material

#263
20210199318
2021-07-01

AIR TREATMENT UNIT AND METHOD FOR TREATMENT OF AIR

#264
20210162382
2021-06-03

Palladium/zeolite-based passive nitrogen oxide adsorber catalyst for purifying exhaust gas

#265
20210162344
2021-06-03

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

#266
20210146075
2021-05-20

Apparatus for catalytic decomposition of nitrous oxide in a gas stream

#267
20210138447
2021-05-13

Coated wall-flow filter

#268
20210138402
2021-05-13

Catalytically active particulate filter

#269
20210114004
2021-04-22

Catalyst, carbon dioxide reducing method, and apparatus for reducing carbon dioxide

#270
20210113963
2021-04-22

Method and system for treating foundry process exhaust gas

#271
20210102486
2021-04-08

Hydrogen-assisted integrated emission control system

#272
20210101139
2021-04-08

Three-zone two-layer TWC catalyst in gasoline waste gas applications

#273
20210101114
2021-04-08

Method and system for the removal of particulate matter and noxious compounds from flue-gas using a ceramic filter with an SCR catalyst

#274
20210101111
2021-04-08

PROCESS FOR THE REMOVAL OF SULPHUR OXIDES AND NITROGEN OXIDES CONTAINED IN OFF-GAS FROM AN INDUSTRIAL PLANT

#275
20210086135
2021-03-25

Catalytically active particulate filter

#276
20210086134
2021-03-25

Catalytically active particulate filter

#277
20210079822
2021-03-18

Catalytically active particulate filter

#278
20210069688
2021-03-11

Catalytic article and exhaust gas treatment systems

#279
20210069684
2021-03-11

Manganese-containing diesel oxidation catalyst

#280
20210069678
2021-03-11

Single-layer 3-way catalytic converter

#281
20210060487
2021-03-04

Exhaust gas purification catalyst body

#282
20210046467
2021-02-18

Particulate filters

#283
20210046457
2021-02-18

Exhaust gas purification catalyst

#284
20210023543
2021-01-28

Catalyst article and the use thereof for filtering fine particles

#285
20210023542
2021-01-28

Integrated catalyst system for stoichiometric-burn natural gas vehicles and preparation method therefor

#286
20210023535
2021-01-28

Porous carbon material composites and their production process, adsorbents, cosmetics, purification agents, and composite photocatalyst materials

#287
20210016257
2021-01-21

Exhaust treatment system including nickel-containing catalyst

#288
20210001315
2021-01-07

Exhaust gas purification device

#289
20200391187
2020-12-17

Multi-region TWC for treatment of exhaust gas from gasoline engine

#290
20200384446
2020-12-10

Phosphorus compound-containing exhaust gas purifying catalyst

#291
20200376433
2020-12-03

Palladium oxide supported on spinels for NOx storage

#292
20200368735
2020-11-26

Exhaust gas purification device

#293
20200368727
2020-11-26

Four-way conversion catalyst having improved filter properties

#294
20200368684
2020-11-26

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

#295
20200360908
2020-11-19

Zeolite synthesis with alkaline earth metal

#296
20200348029
2020-11-05

Cooking apparatus and method for use of same

#297
20200346200
2020-11-05

Exhaust gas purification device using metal substrate and production method therefor

#298
20200346194
2020-11-05

Rare-Earth Phosphate Alumina Composite for Use in Emission Control Catalysts and Method for Making the Same

#299
20200346192
2020-11-05

DIESEL OXIDATION CATALYST

#300
20200346166
2020-11-05

Catalyst article, method and use