ClassID:

29778

B01D53/945 - CPC Classification

Classification description:

Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,; Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes; Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst

Recent Application in this class:
#1
20260131284
2026-05-14

THREE-WAY CATALYST AND METHOD FOR MANUFACTURING THE SAME

#2
20260097364
2026-04-09

CATALYZED PARTICULATE FILTER

#3
20260054260
2026-02-26

CATALYZED PARTICULATE FILTER AND METHOD FOR PRODUCING THE SAME

#4
20260034537
2026-02-05

MOLDING CATALYST FOR HYDROGEN CHLORIDE OXIDATION REACTION, AND METHOD FOR PRODUCING SAME

#5
20260014520
2026-01-15

PLATINUM PARTITIONING IN CATALYST ARTICLE FOR THREE-WAY CATALYSIS

#6
20250367603
2025-12-04

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

#7
20250360498
2025-11-27

CATALYST-LOADED HONEYCOMB ARTICLE HAVING IN-WALL AND ON-WALL CATALYST DEPOSITION AND METHOD OF MANUFACTURE

#8
20250339850
2025-11-06

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

#9
20250312778
2025-10-09

TERNARY PLATINUM ALLOYS WITH TRANSITION METALS FOR ENHANCED OXIDATION ACTIVITY

#10
20250312739
2025-10-09

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

#11
20250303402
2025-10-02

CATALYTIC WALL FLOW FILTER

#12
20250256243
2025-08-14

EXHAUST GAS PURIFICATION DEVICE

#13
20250235824
2025-07-24

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

#14
20250229227
2025-07-17

MULTI-LAYER TWC FORMULATIONS WITH OPTIMALIZED PGM LOADINGS

#15
20250214072
2025-07-03

PLUGGED CERAMIC HONEYCOMB BODIES WITH PREFERENTIAL CATALYST LOADING AND METHODS OF MANUFACTURING THEREOF

#16
20250177921
2025-06-05

Method for Producing Exhaust Gas Purification Catalyst

#17
20250128207
2025-04-24

CATALYTIC DEVICE

#18
20250099943
2025-03-27

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

#19
20250091004
2025-03-20

GASOLINE PARTICULATE FILTER

#20
20250083102
2025-03-13

EXHAUST GAS PURIFICATION CATALYST

#21
20250050318
2025-02-13

RHODIUM-FREE TWC CATALYTIC ARTICLE

#22
20250001405
2025-01-02

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

#23
20240424445
2024-12-26

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

#24
20240424444
2024-12-26

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

#25
20240408544
2024-12-12

EMISSIONS TREATMENT ARTICLES WITH INORGANIC FILTRATION DEPOSITS AND CATALYTIC MATERIAL

#26
20240399309
2024-12-05

CATALYTIC WALL FLOW FILTER

#27
20240375087
2024-11-14

ELECTRICALLY HEATED CATALYST DEVICE

#28
20240344473
2024-10-17

PARTICULATE FILTER HAVING PARTIALLY COATED CATALYTIC LAYER

#29
20240326020
2024-10-03

CATALYTIC GASOLINE PARTICULATE FILTER

#30
20240316497
2024-09-26

EXHAUST GAS PURIFYING CATALYST

#31
20240316496
2024-09-26

NOX ADSORBER DIESEL OXIDATION CATALYST

#32
20240307822
2024-09-19

EMISSION TREATMENT CATALYSTS, SYSTEMS AND METHODS

#33
20240293805
2024-09-05

INDUCTIVELY HEATED NOX ADSORBER

#34
20240287923
2024-08-29

Catalytic wall flow filter

#35
20240278217
2024-08-22

EXHAUST GAS PURIFICATION CATALYST

#36
20240269654
2024-08-15

TRANSITION METAL INCORPORATED ALUMINA FOR IMPROVED THREE WAY CATALYSTS

#37
20240269613
2024-08-15

TRANSITION METAL INCORPORATED ALUMINA FOR IMPROVED THREE WAY CATALYSTS

#38
20240269612
2024-08-15

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

#39
20240253018
2024-08-01

LAYERED CATALYSTS FOR PURIFYING EXHAUST GAS STREAMS AND METHODS OF MAKING THE SAME

#40
20240238770
2024-07-18

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

#41
20240238726
2024-07-18

PALLADIUM FIXING USING GALLIC ACID OR ITS DERIVATIVE

#42
20240238725
2024-07-18

CATALYST COMPOSITION

#43
20240207823
2024-06-27

LAYERED CATALYTIC ARTICLE

#44
20240189771
2024-06-13

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

#45
20240181391
2024-06-06

EXHAUST GAS PURIFYING CATALYST COMPOSITION AND EXHAUST GAS PURIFYING CATALYST

#46
20240115998
2024-04-11

GASOLINE ENGINE EXHAUST GAS PURIFYING CATALYST FILTER

#47
20240110496
2024-04-04

Ohmic Heating-type Exhaust Gas Purification Catalyst System and Exhaust Gas Purification Method

#48
20240110494
2024-04-04

TINY TRANSITION METAL INCORPORATED CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS

#49
20240109060
2024-04-04

CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTRATION EFFICIENCY

#50
20240109055
2024-04-04

Transition metal incorporated alumina for improved three way catalysts

#51
20240109036
2024-04-04

EXHAUST GAS TREATMENT SYSTEM FOR REDUCING AMMONIA EMISSIONS FROM MOBILE GASOLINE APPLICATIONS

#52
20240109035
2024-04-04

CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS

#53
20240100478
2024-03-28

CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTERING EFFICIENCY

#54
20240066505
2024-02-29

NOBLE METAL SINGLE ATOM SUPPORTED THREE-WAY CATALYST AND PREPARATION METHOD THEREFOR AND USE THEREOF

#55
20240058791
2024-02-22

PLATINUM GROUP METAL CATALYST COMPOSITION FOR TWC APPLICATION

#56
20240033687
2024-02-01

CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTERING EFFICIENCY

#57
20240024860
2024-01-25

Catalyst Composition Comprising Magnetic Material Adapted for Inductive Heating

#58
20240001343
2024-01-04

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

#59
20230405568
2023-12-21

ZONED CATALYTIC ARTICLE

#60
20230398532
2023-12-14

THREE-WAY DIESEL CATALYST FOR COLD START TECHNOLOGY

#61
20230383681
2023-11-30

Selective catalytic reduction catalyst pre-heating burner assembly and method of controlling burner emissions

#62
20230381748
2023-11-30

EXHAUST GAS PURIFICATION CATALYST DEVICE

#63
20230372909
2023-11-23

Rhodium-containing layered catalyst structures and methods of making the same

#64
20230372905
2023-11-23

DIESEL OXIDATION CATALYST WITH ENHANCED HYDROCARBON LIGHT-OFF PROPERTIES

#65
20230372902
2023-11-23

TIN CO-DOPED MIXED OXIDES FOR USE IN THREE WAY CATALYSIS

#66
20230356198
2023-11-09

Catalyst Composition Comprising Ferrite-Based Magnetic Material Adapted for Inductive Heating

#67
20230340899
2023-10-26

EXHAUST GAS PURIFICATION SYSTEM FOR A GASOLINE ENGINE

#68
20230338940
2023-10-26

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

#69
20230338938
2023-10-26

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

#70
20230330653
2023-10-19

THREE-WAY CONVERSION CATALYTIC ARTICLE

#71
20230330638
2023-10-19

LAYERED CATALYTIC ARTICLE AND PROCESS FOR PREPARING THE CATALYTIC ARTICLE

#72
20230321632
2023-10-12

CERIUM-ZIRCONIUM-BASED COMPOSITE OXIDE HAVING GRADIENT ELEMENT DISTRIBUTION AND PREPARATION METHOD THEREFOR

#73
20230313721
2023-10-05

HONEYCOMB STRUCTURE, ELECTRICALLY HEATED CARRIER, AND EXHAUST GAS PURIFICATION DEVICE

#74
20230287822
2023-09-14

Exhaust treatment system for dual fuel engines

#75
20230285899
2023-09-14

Catalytically active particulate filter

#76
20230278019
2023-09-07

Catalyst for exhaust gas purification and manufacturing method thereof

#77
20230277986
2023-09-07

Exhaust Gas Purification Catalyst

#78
20230271167
2023-08-31

CATALYST ARTICLE HAVING HIGH LOCAL RHODIUM CONCENTRATION

#79
20230265772
2023-08-24

Exhaust system for an ammonia-burning combustion engine

#80
20230256418
2023-08-17

THREE-WAY CATALYST HAVING LOW NH3 FORMATION AND PREPARATION METHOD THEREFOR

#81
20230250747
2023-08-10

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

#82
20230249158
2023-08-10

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

#83
20230241587
2023-08-03

Surface-modified alumina compound for gasoline exhaust gas applications

#84
20230241585
2023-08-03

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

#85
20230191372
2023-06-22

CATALYST FOR PARTICULATE COMBUSTION IN GASOLINE EMISSION TREATMENT SYSTEMS

#86
20230147850
2023-05-11

AN EMISSION CONTROL CATALYST ARTICLE WITH PGM-GRADIENT ARCHITECTURE

#87
20230143941
2023-05-11

CATALYSTS FOR GASOLINE EXHAUST GAS TREATMENTS WITH IMPROVED AMMONIA EMISSION CONTROL

#88
20230129600
2023-04-27

POLYMALEIC ACID ASSISTED METAL NANOPARTICLE SYNTHESIS FOR THREE-WAY CATALYSIS APPLICATION

#89
20230111280
2023-04-13

PLUGGED CERAMIC HONEYCOMB BODIES WITH PREFERENTIAL CATALYST LOADING AND METHODS OF MANUFACTURING THEREOF

#90
20230090959
2023-03-23

CERIUM-ZIRCONIUM OXIDE-BASED OXYGEN ION CONDUCTOR (CZOIC) MATERIALS WITH HIGH OXYGEN MOBILITY

#91
20230086873
2023-03-23

Exhaust gas control system and exhaust gas control method

#92
20230078076
2023-03-16

Exhaust gas purification catalyst

#93
20230072800
2023-03-09

Method for improving resistance to sulfur-poisoning through structural transformation of nano-ceria supported on alumina

#94
20230072554
2023-03-09

MOLDING CATALYST FOR HYDROGEN CHLORIDE OXIDATION REACTION, AND METHOD FOR PRODUCING SAME

#95
20230070493
2023-03-09

TWC CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS

#96
20230070291
2023-03-09

Transition metal incorporated alumina for improved three way catalysts

#97
20230045409
2023-02-09

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

#98
20230036970
2023-02-02

EXHAUST GAS PURIFICATION CATALYST

#99
20230018328
2023-01-19

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

#100
20230016066
2023-01-19

AN EMMISSION CONTROL CATALYST ARTICLE WITH ENRICHED PGM ZONE

#101
20230001391
2023-01-05

EXHAUST GAS PURIFICATION CATALYST

#102
20230001387
2023-01-05

CATALYST FOR SIMULTANEOUSLY INHIBITING EMISSION OF AMMONIA AND NITROUS OXIDE

#103
20230001353
2023-01-05

Transition metal/zeolite SCR catalysts

#104
20220410129
2022-12-29

A CATALYST ARTICLE FOR CAPTURING PARTICULATE MATTER

#105
20220401926
2022-12-22

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

#106
20220395814
2022-12-15

PARTICULATE FILTER

#107
20220362756
2022-11-17

Exhaust gas purification catalyst

#108
20220347657
2022-11-03

Catalyst for removing saturated hydrocarbon

#109
20220341359
2022-10-27

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

#110
20220341356
2022-10-27

Exhaust gas purification catalyst, method of purifying exhaust gas, and method of manufacturing exhaust gas purification catalyst

#111
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

#112
20220297095
2022-09-22

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

#113
20220297091
2022-09-22

Mixed oxide based on cerium and zirconium

#114
20220274060
2022-09-01

Catalytic converter

#115
20220258148
2022-08-18

Plugged honeycomb structure

#116
20220250044
2022-08-11

Manganese-containing diesel oxidation catalyst

#117
20220250037
2022-08-11

EXHAUST GAS PURIFICATION CATALYST DEVICE

#118
20220250005
2022-08-11

Emission treatment catalysts, systems and methods

#119
20220234032
2022-07-28

Manganese-containing diesel oxidation catalyst

#120
20220228520
2022-07-21

Exhaust gas purification system

#121
20220226760
2022-07-21

Exhaust gas purification filter

#122
20220212178
2022-07-07

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

#123
20220212170
2022-07-07

CATALYTIC ARTICLE AND METHOD OF MANUFACTURING THE CATALYTIC ARTICLE

#124
20220212169
2022-07-07

AUTOMOTIVE 3-WAY CATALYST SYSTEM CONTAINING A TAIL PIPE CATALYST

#125
20220203339
2022-06-30

LAYERED CATALYTIC ARTICLE AND METHOD OF MANUFACTURING THE CATALYTIC ARTICLE

#126
20220193639
2022-06-23

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

#127
20220178290
2022-06-09

Exhaust gas heating unit

#128
20220176364
2022-06-09

CATALYTICALLY ACTIVE PARTICULATE FILTER

#129
20220176355
2022-06-09

Catalytically active particulate filter

#130
20220168721
2022-06-02

CATALYTICALLY ACTIVE PARTICULATE FILTER

#131
20220161236
2022-05-26

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

#132
20220154621
2022-05-19

Exhaust Gas Purification Catalyst

#133
20220152591
2022-05-19

Layered TWC

#134
20220134314
2022-05-05

Tri-metal PGM catalysts for gasoline engine exhaust gas treatments

#135
20220118428
2022-04-21

Exhaust gas purification device

#136
20220118405
2022-04-21

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

#137
20220105492
2022-04-07

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

#138
20220097026
2022-03-31

Catalytic converter

#139
20220088575
2022-03-24

CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS AND THEIR NOVEL SYNTHESES

#140
20220065149
2022-03-03

EXHAUST GAS PURIFICATION SYSTEM WITH AIR INJECTION

#141
20220064017
2022-03-03

Nanocrystal-sized cerium-zirconium-aluminum oxide material and method of making the same

#142
20220055021
2022-02-24

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

#143
20220054979
2022-02-24

Process and arrangement for reducing carbon dioxide in combustion exhaust gases

#144
20220040676
2022-02-10

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

#145
20220040636
2022-02-10

Exhaust gas purifying catalyst

#146
20220040635
2022-02-10

Exhaust gas purifying catalyst

#147
20220010714
2022-01-13

Nitrous oxide removal catalysts for exhaust systems

#148
20220003139
2022-01-06

Exhaust gas purification system for a gasoline engine

#149
20210388748
2021-12-16

Exhaust gas purification system for a gasoline engine

#150
20210387170
2021-12-16

Exhaust treatment system including nickel-containing catalyst

#151
20210381415
2021-12-09

Exhaust gas purification system for a gasoline engine

#152
20210379567
2021-12-09

Layered TWC

#153
20210379529
2021-12-09

Exhaust gas purification system for a gasoline engine

#154
20210348537
2021-11-11

Exhaust gas purification system for a gasoline engine

#155
20210332731
2021-10-28

Exhaust gas purification system for a gasoline engine

#156
20210331142
2021-10-28

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

#157
20210283580
2021-09-16

TWC system for fuel cut NOcontrol

#158
20210237043
2021-08-05

Zeolite synthesis with a fluoride source

#159
20210237039
2021-08-05

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

#160
20210170368
2021-06-10

Methods for preparing catalytic systems

#161
20210146338
2021-05-20

Mixed oxide catalyst for oxygen storage applications and a method for making the catalyst

#162
20210138447
2021-05-13

Coated wall-flow filter

#163
20210138402
2021-05-13

Catalytically active particulate filter

#164
20210086135
2021-03-25

Catalytically active particulate filter

#165
20210086134
2021-03-25

Catalytically active particulate filter

#166
20210079822
2021-03-18

Catalytically active particulate filter

#167
20210069684
2021-03-11

Manganese-containing diesel oxidation catalyst

#168
20210069680
2021-03-11

Catalyst comprising ceria-zirconia-oxygen storage material and process for its production

#169
20210069678
2021-03-11

Single-layer 3-way catalytic converter

#170
20210060487
2021-03-04

Exhaust gas purification catalyst body

#171
20210053033
2021-02-25

Platinum-containing catalyst systems

#172
20210046454
2021-02-18

Inorganic oxide

#173
20210023542
2021-01-28

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

#174
20210016257
2021-01-21

Exhaust treatment system including nickel-containing catalyst

#175
20210008533
2021-01-14

NANO-SIZED FUNCTIONAL BINDER

#176
20210008531
2021-01-14

CATALYZED SCR FILTER AND EMISSION TREATMENT SYSTEM

#177
20200406234
2020-12-31

Catalyst for gasoline engine exhaust gas aftertreatment

#178
20200391187
2020-12-17

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

#179
20200391186
2020-12-17

EXHAUST GAS CLEANING CATALYST, EXHAUST GAS CLEANING METHOD, AND EXHAUST GAS CLEANING SYSTEM

#180
20200384449
2020-12-10

Catalytic articles

#181
20200384446
2020-12-10

Phosphorus compound-containing exhaust gas purifying catalyst

#182
20200368727
2020-11-26

Four-way conversion catalyst having improved filter properties

#183
20200353453
2020-11-12

Zeolite synthesis with a fluoride source

#184
20200353445
2020-11-12

PGM nanoparticles TWC catalysts for gasoline exhaust gas applications

#185
20200353410
2020-11-12

Four-way conversion catalyst having improved filter properties

#186
20200346194
2020-11-05

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

#187
20200346166
2020-11-05

Catalyst article, method and use

#188
20200316568
2020-10-08

Manganese oxide-lanthanum manganate-PGM composites for TWC applications

#189
20200306730
2020-10-01

Active perovskite-type catalysts stable to high temperature aging for gasoline exhaust gas applications

#190
20200306693
2020-10-01

Multi-layer three-way catalytic converter

#191
20200306692
2020-10-01

Catalyst article and the use thereof for filtering fine particles

#192
20200290019
2020-09-17

Exhaust gas purification catalyst

#193
20200276567
2020-09-03

EXHAUST GAS PURIFICATION CATALYST

#194
20200276558
2020-09-03

Mixed-metal oxide based catalysts

#195
20200271067
2020-08-27

Exhaust gas purification system for vehicle and method of controlling the same

#196
20200248608
2020-08-06

After treatment system and after treatment method for lean-burn engine

#197
20200248607
2020-08-06

After treatment system and after treatment method for lean-burn engine

#198
20200240305
2020-07-30

Exhaust gas heating element

#199
20200232366
2020-07-23

Nitrous oxide removal catalysts for exhaust systems

#200
20200230586
2020-07-23

Exhaust-gas-purifying metal substrate and exhaust gas purification device using same

#201
20200188887
2020-06-18

Transition metal doped alumina for improved TWC performance

#202
20200188885
2020-06-18

Mixed cerium- and zirconium-based oxide

#203
20200179908
2020-06-11

PROMOTER METAL CONTAINING PEROVSKITE-TYPE COMPOUND FOR GASOLINE EXHAUST GAS APPLICATIONS

#204
20200157993
2020-05-21

Control device for internal combustion engine

#205
20200149449
2020-05-14

Apparatus for purifying exhaust gas

#206
20200131960
2020-04-30

CATALYTIC DEVICE AND EXHAUST GAS PURIFICATION SYSTEM

#207
20200122129
2020-04-23

Delafossite-type oxide for exhaust gas purification catalyst, and exhaust gas purification catalyst using same

#208
20200114334
2020-04-16

Oxygen storage material and method for producing the same

#209
20200108377
2020-04-09

Catalyzed SCR filter and emission treatment system

#210
20200095915
2020-03-26

Multicomponent exhaust treatment system including an oxygen storage catalyst

#211
20200094189
2020-03-26

Catalytically active particulate filter

#212
20200047121
2020-02-13

Exhaust gas purifying catalyst and method for purifying exhaust gas

#213
20200047119
2020-02-13

Exhaust gas purifying catalyst

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Integrated emissions control system

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2019-12-26

CATALYST COMPOSITION COMPRISING COLLOIDAL PLATINUM GROUP METAL NANOPARTICLES

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2019-12-19

Nano-rare earth oxide doped support for trapping of NOx and/or SOx

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20190376435
2019-12-12

System for the removal of particulate matter and noxious compounds from engine exhaust gas

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2019-12-12

System for the removal of particulate matter and noxious compounds from engine exhaust gas

#219
20190353068
2019-11-21

Exhaust emission reduction system having an HC-trap and NOx-trap combination designed for operating under strategic lean conditions

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2019-11-21

EXHAUST TREATMENT SYSTEMS AND METHODS INVOLVING OXYGEN SUPPLEMENTATION AND HYDROCARBON TRAPPING

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2019-11-21

Hydrocarbon trap catalyst

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20190351397
2019-11-21

Hydrocarbon trap catalyst

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20190351394
2019-11-21

Three-way catalyst

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20190351393
2019-11-21

Hydrocarbon trap catalyst

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2019-11-14

Naturally aspirated common rail diesel engine meeting ultra low PM emission by passive exhaust after treatment

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2019-11-07

Highly active thermally stable nanoporous gold catalyst

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2019-11-07

Pd-supporting Zr-based composite oxide

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2019-10-17

Three-way catalyst for purifying gasoline engine exhaust gas

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2019-10-03

Honeycomb structure for supporting catalyst and production method therefor

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2019-10-03

Catalytic article comprising combined PGM and OSC

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2019-10-03

Exhaust gas purification filter

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2019-09-26

Acidic zirconium hydroxide

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20190275500
2019-09-12

Exhaust gas-purifying three-way catalyst and method for producing the same, and exhaust gas-purifying catalytic converter

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2019-09-05

Exhaust purification system of internal combustion engine

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2019-09-05

Nanoporous cerium oxide with interconnected pores for catalysis and a cost-effective method of preparing thereof

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Manganese-containing diesel oxidation catalyst

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2019-08-29

Diesel oxidation catalyst and exhaust system

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2019-08-22

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

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2019-08-01

Catalyzed SCR filter and emission treatment system

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2019-07-25

Honeycomb structural body, method for manufacturing the same, and exhaust gas purification filter

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2019-07-18

Catalyst comprising a molecular sieve belonging to the ABC-6 framework family with disorder in the ABC stacking sequence and use of the catalyst

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2019-07-04

Exhaust gas purification catalyst

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20190193057
2019-06-27

Exhaust gas purifying catalyst

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2019-06-27

Oxidation catalyst for a diesel engine exhaust

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2019-06-13

Titania-doped zirconia as platinum group metal support in catalysts for treatment of combustion engine exhausts streams

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20190168188
2019-06-06

Cerium- and zirconium-based mixed oxide

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20190168161
2019-06-06

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

#248
20190160427
2019-05-30

CORE/SHELL CATALYST PARTICLES AND METHOD OF MANUFACTURE

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20190151829
2019-05-23

Exhaust gas purification underfloor catalyst and catalyst system

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20190145298
2019-05-16

Catalytic converter substrates comprising triply periodic minimal surfaces

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20190126248
2019-05-02

EXHAUST GAS PURIFYING CATALYST

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20190126247
2019-05-02

CORE/SHELL HYDROCARBON TRAP CATALYST AND METHOD OF MANUFACTURE

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2019-04-18

TWC CATALYSTS FOR GASOLINE EXHAUST GAS APPLICATIONS WITH IMPROVED THERMAL DURABILITY

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2019-04-11

Exhaust gas purification catalyst

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20190101033
2019-04-04

Exhaust purification system of internal combustion engine

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20190093531
2019-03-28

Exhaust gas purification catalyst

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20190091662
2019-03-28

Low washcoat loading single layer catalysts for gasoline exhaust gas applications

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20190091628
2019-03-28

EXHAUST GAS FILTER

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20190083932
2019-03-21

Exhaust gas purifying catalyst

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20190083931
2019-03-21

Exhaust gas purification catalyst

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20190078477
2019-03-14

Exhaust gas purifying device of internal combustion engine

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20190070596
2019-03-07

Catalyst composition comprising magnetic material adapted for inductive heating

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20190070590
2019-03-07

Powder for catalysts and catalyst for exhaust gas purification

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2019-02-14

Oxidation catalyst for lean compressed natural gas engine

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20190039049
2019-02-07

Ceria-zirconia-based composite oxide oxygen storage material, exhaust gas cleaning catalyst, and honeycomb structure for exhaust gas cleaning

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2019-01-24

Honeycomb structure and catalyst body

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20190015820
2019-01-17

Exhaust gas purification device

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2019-01-10

Gasoline particulate filter

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2018-12-20

Catalyst system for lean gasoline direct injection engines

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2018-12-13

Diesel oxidation catalyst and exhaust system

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2018-12-13

Diesel oxidation catalyst and exhaust system

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2018-12-06

Exhaust purification system of internal combustion engine

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20180345253
2018-12-06

Cluster-supporting catalyst and process for producing the same

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20180345252
2018-12-06

Catalyst/catalyst support compositions having high reducibility and comprising a nanometric cerium oxide deposited onto a support substrate

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2018-12-06

4-way hybrid binary catalysts, methods and uses thereof

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2018-11-22

Multi-layer catalyst composition for internal combustion engines

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2018-11-08

Structured zirconium solutions

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20180318804
2018-11-08

Highly active and thermally stable coated gasoline particulate filters

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20180304238
2018-10-25

Exhaust gas purification catalyst

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20180304235
2018-10-25

Zirconia-based compositions for use as three way catalysts

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20180298800
2018-10-18

Gasoline particulate filter

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20180297849
2018-10-18

Preparation of carbon nanotube shell materials

#283
20180272280
2018-09-27

Emission treatment catalysts, systems and methods

#284
20180272279
2018-09-27

Transition metal/zeolite SCR catalysts

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20180266289
2018-09-20

Exhaust purification filter

#286
20180264409
2018-09-20

Exhaust gas purifying catalyst

#287
20180252139
2018-09-06

Oxygen storage/release material

#288
20180252132
2018-09-06

Exhaust gas purification catalyst

#289
20180243690
2018-08-30

Exhaust gas purification catalyst

#290
20180236401
2018-08-23

Exhaust gas purifying catalyst

#291
20180229224
2018-08-16

Exhaust gas treatment catalysts

#292
20180229183
2018-08-16

EXHAUST GAS PURIFYING CATALYST

#293
20180223714
2018-08-09

Device for catalytic conversion having a reduced activation time

#294
20180221857
2018-08-09

Catalytic module

#295
20180221855
2018-08-09

Catalyst for purifying the exhaust gases of diesel engines

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20180207582
2018-07-26

Poison-Resistant Catalyst and Systems Containing Same

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20180200700
2018-07-19

Catalyst Design for Heavy-Duty Diesel Combustion Engines

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20180195428
2018-07-12

System for the removal of particulate matter and noxious compounds from engine exhaust gas

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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

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20180178198
2018-06-28

Layered automotive catalyst composites