ClassID:

30396

B01D2255/2066 - CPC Classification

Classification description:

Catalysts; Metals or compounds thereof; Rare earth metals Praseodymium

Recent Application in this class:
#1
20250303396
2025-10-02

COMPOSITIONS FOR AND METHOD OF MAKING METHANE ABATEMENT CATALYSTS

#2
20250235824
2025-07-24

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

#3
20250041839
2025-02-06

CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTRATION EFFICIENCY

#4
20250041834
2025-02-06

CATALYTIC COATING

#5
20240390878
2024-11-28

GRAIN BOUNDARY AND SURFACE-DOPED RARE EARTH MANGANESE-ZIRCONIUM COMPOSITE COMPOUND AND PREPARATION METHOD AND USE THEREOF

#6
20240316497
2024-09-26

EXHAUST GAS PURIFYING CATALYST

#7
20240238764
2024-07-18

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

#8
20240165561
2024-05-23

AN AMMONIA OXIDATION CATALYST AND METHODS FOR ITS PREPARATION

#9
20240149257
2024-05-09

PARTICLE FILTER FOR EXHAUST GAS OF GASOLINE ENGINES

#10
20240123429
2024-04-18

COMPLEX OXIDE AND METHOD FOR PRODUCING THE SAME

#11
20240109060
2024-04-04

CATALYTICALLY ACTIVE PARTICLE FILTER WITH A HIGH DEGREE OF FILTRATION EFFICIENCY

#12
20240075463
2024-03-07

PARTICLES FOR EXHAUST GAS PURIFICATION CATALYST

#13
20240017213
2024-01-18

CATALYTICALLY ACTIVE PARTICLE FILTER HAVING A HIGH DEGREE OF FILTERING EFFICIENCY

#14
20230330649
2023-10-19

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

#15
20230285899
2023-09-14

Catalytically active particulate filter

#16
20230090959
2023-03-23

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

#17
20230086873
2023-03-23

Exhaust gas control system and exhaust gas control method

#18
20220297092
2022-09-22

POROUS COMPOSITE

#19
20220176355
2022-06-09

Catalytically active particulate filter

#20
20220168721
2022-06-02

CATALYTICALLY ACTIVE PARTICULATE FILTER

#21
20220080393
2022-03-17

Zirconia-based aqueous np-dispersion for use in coating filter substrates

#22
20220064017
2022-03-03

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

#23
20210213433
2021-07-15

Zeolite catalyst and method for producing lower olefin

#24
20210207513
2021-07-08

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

#25
20210086135
2021-03-25

Catalytically active particulate filter

#26
20210079822
2021-03-18

Catalytically active particulate filter

#27
20210069684
2021-03-11

Manganese-containing diesel oxidation catalyst

#28
20210069678
2021-03-11

Single-layer 3-way catalytic converter

#29
20200392881
2020-12-17

Exhaust gas purification system

#30
20200306693
2020-10-01

Multi-layer three-way catalytic converter

#31
20200248604
2020-08-06

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

#32
20200248603
2020-08-06

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

#33
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

#34
20200188885
2020-06-18

Mixed cerium- and zirconium-based oxide

#35
20200147592
2020-05-14

Base Metal Catalyst and Method of Using Same

#36
20200114334
2020-04-16

Oxygen storage material and method for producing the same

#37
20200047167
2020-02-13

ZEOLITE CATALYST AND METHOD FOR PRODUCING LOWER OLEFIN

#38
20200047121
2020-02-13

Exhaust gas purifying catalyst and method for purifying exhaust gas

#39
20190345172
2019-11-14

Rare earth-based metal-organic framework for moisture removal and control in confined spaces

#40
20190336947
2019-11-07

Highly active thermally stable nanoporous gold catalyst

#41
20190271246
2019-09-05

Exhaust purification system of internal combustion engine

#42
20190178128
2019-06-13

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

#43
20190168200
2019-06-06

Passive NOx adsorber

#44
20190134617
2019-05-09

Ion-exchanged molecular sieve catalysts exhibiting reduced N2O emissions

#45
20190093531
2019-03-28

Exhaust gas purification catalyst

#46
20190009254
2019-01-10

Gasoline particulate filter

#47
20180361360
2018-12-20

Catalyst system for lean gasoline direct injection engines

#48
20180347425
2018-12-06

Exhaust purification system of internal combustion engine

#49
20180318805
2018-11-08

Diesel oxidation catalyst combining platinum group metal with base metal oxide

#50
20180282350
2018-10-04

Rare earth-based metal-organic framework for moisture removal and control in confined spaces

#51
20180266289
2018-09-20

Exhaust purification filter

#52
20180252139
2018-09-06

Oxygen storage/release material

#53
20180236401
2018-08-23

Exhaust gas purifying catalyst

#54
20180229224
2018-08-16

Exhaust gas treatment catalysts

#55
20180229220
2018-08-16

Low cost oxidation catalysts for VOC and halogenated VOC emission control

#56
20180065111
2018-03-08

Catalyst for purifying exhaust gas

#57
20180043335
2018-02-15

NOadsorber catalyst, methods and systems

#58
20180036714
2018-02-08

METHOD FOR PRODUCING COMPOSITE OXIDE AND COMPOSITE OXIDE CATALYST

#59
20180021757
2018-01-25

Rhodium-containing catalysts for automotive emissions treatment

#60
20180021756
2018-01-25

Platinum group metal (PGM) catalysts for automotive emissions treatment

#61
20180001303
2018-01-04

COMPLEX OXIDE, METHOD FOR PRODUCING SAME, AND EXHAUST GAS PURIFYING CATALYST

#62
20170348674
2017-12-07

Exhaust gas purifying catalyst

#63
20170333877
2017-11-23

MIXED METAL OXIDE COMPOSITE FOR OXYGEN STORAGE

#64
20170328250
2017-11-16

Application of synergized-PGM with ultra-low PGM loadings as close-coupled three-way catalysts for internal combustion engines

#65
20170284251
2017-10-05

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

#66
20170241313
2017-08-24

Emissions treatment system with ammonia-generating and SCR catalysts

#67
20170203282
2017-07-20

Noble metal-free catalyst compositions

#68
20170197179
2017-07-13

Catalyst for internal combustion engine exhaust gas purification, and system for same

#69
20170152421
2017-06-01

Metal doped cerium oxide compositions

#70
20170120221
2017-05-04

Carrier for exhaust gas purification catalyst

#71
20170095805
2017-04-06

Passive NOadsorber

#72
20170036194
2017-02-09

Highly active thermally stable nanoporous gold catalyst

#73
20170001172
2017-01-05

Inorganic oxide material

#74
20160193593
2016-07-07

Exhaust gas purification catalyst and method for manufacturing same

#75
20160167023
2016-06-16

ZPGM Catalyst Including Co-Mn-Fe and Cu-Mn-Fe Materials for TWC Applications

#76
20160136620
2016-05-19

Zero PGM catalyst including Cu—Co—Mn ternary spinel for TWC applications

#77
20160136618
2016-05-19

Sulfur-Resistant Synergized PGM Catalysts for Diesel Oxidation Application

#78
20160121300
2016-05-05

Catalyst composition and exhaust gas purifying method

#79
20160008760
2016-01-14

Non-PGM catalyst for burning carbon soot, and filtration filter and exhaust gas post-processing apparatus using the same

#80
20160001275
2016-01-07

Exhaust gas purifying catalyst and exhaust gas purification method using same

#81
20150352533
2015-12-10

Base metal activated rhodium coatings for catalysts in three-way catalyst (TWC) applications

#82
20150352532
2015-12-10

Three-way catalyst systems including Fe-activated Rh and Ba-Pd material compositions

#83
20150352531
2015-12-10

Rhodium-iron catalysts

#84
20150352494
2015-12-10

Three-way catalyst systems including Nb—Zr—Al-mixed oxide supports, Ba—Pd, and Rh—Fe material compositions

#85
20150352493
2015-12-10

Catalytic articles containing platinum group metals and non-platinum group metals and methods of making and using same

#86
20150343381
2015-12-03

Non-PGM catalyst for burning carbon soot, and filtration filter and exhaust gas post-processing apparatus using the same

#87
20150321175
2015-11-12

Complex oxide, method for producing same, and exhaust gas purifying catalyst

#88
20150290627
2015-10-15

Systems and methods for using copper-manganese spinel as active phase for diesel oxidation applications

#89
20150290622
2015-10-15

Catalyst carrier and exhaust gas purifying catalyst

#90
20150258532
2015-09-17

Method for producing composite oxide and composite oxide catalyst

#91
20150258496
2015-09-17

Hybrid PGM-ZPGM TWC Exhaust Treatment Systems

#92
20150251169
2015-09-10

Exhaust gas purifying catalyst, method for producing same, and exhaust gas purification method using same

#93
20150196902
2015-07-16

PALLADIUM SOLID SOLUTION CATAYST AND METHODS OF MAKING

#94
20150165423
2015-06-18

Manganese-containing diesel oxidation catalyst

#95
20150105243
2015-04-16

Systems and methods for zero-PGM binary catalyst having Cu, Mn, and Fe for TWC applications

#96
20140364305
2014-12-11

Exhaust gas component purification catalytic material and catalyzed particulate filter with the catalytic material

#97
20140301907
2014-10-09

Diesel exhaust gas purification catalyst and diesel exhaust gas purification system

#98
20140248200
2014-09-04

Emissions treatment system with ammonia-generating and SCR catalysts

#99
20140205508
2014-07-24

Catalyzed particulate filter

#100
20140187415
2014-07-03

Complex oxide, method for producing same, and exhaust gas purification catalyst

#101
20140179515
2014-06-26

Complex oxide, method for producing same, and exhaust gas purification catalyst

#102
20140161695
2014-06-12

Diesel oxidation catalyst comprising palladium, gold and ceria

#103
20140154160
2014-06-05

Bimetallic catalyst

#104
20140047819
2014-02-20

Emissions treatment system with ammonia-generating and SCR catalysts

#105
20140031197
2014-01-30

Catalyst materials

#106
20130236381
2013-09-12

Denitration catalyst composition and method of denitration using same

#107
20130202508
2013-08-08

Exhaust treatment system including a nickel-based catalyst

#108
20130142727
2013-06-06

Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NO

#109
20130095997
2013-04-18

Method for producing catalyst composition, catalyst composition, diesel particulate filter using the same, and exhaust gas purification system

#110
20130089472
2013-04-11

Non-PGM catalyst for burning carbon soot, and filtration filter and exhaust gas post-processing apparatus using the same

#111
20130089471
2013-04-11

Non-PGM catalyst for burning carbon soot, and filtration filter and exhaust gas post-processing apparatus using the same

#112
20130052108
2013-02-28

Composition containing oxides of zirconium, cerium and another rare earth having reduced maximum reducibility temperature, a process for preparation and use thereof in the field of catalysis

#113
20120309614
2012-12-06

COMPLEX OXIDE, METHOD FOR PRODUCING SAME, AND EXHAUST GAS PURIFYING CATALYST

#114
20120302438
2012-11-29

Complex oxide, method for producing same and exhaust gas purifying catalyst

#115
20120288427
2012-11-15

Catalyzed soot filter with layered design

#116
20120201732
2012-08-09

Ce containing, V-free mobile denox catalyst

#117
20120131911
2012-05-31

Exhaust gas purifying catalyst and method for manufacturing the same

#118
20120094827
2012-04-19

EXHAUST GAS-PURIFYING CATALYST AND METHOD OF PRODUCING SAME

#119
20120058020
2012-03-08

Honeycomb filter and method for manufacturing honeycomb filter

#120
20120055142
2012-03-08

Catalysts for gasoline lean burn engines with improved NH-formation activity

#121
20110305615
2011-12-15

NOx storage catalyst with reduced Rh loading

#122
20110287928
2011-11-24

Low level noble metal-supporting three-way catalyst

#123
20110277452
2011-11-17

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

#124
20110219750
2011-09-15

EXHAUST GAS PURIFYING APPARATUS FOR INTERNAL COMBUSTION ENGINE

#125
20110217216
2011-09-08

Carbon monoxide conversion catalyst

#126
20110203264
2011-08-25

Diesel exhaust gas purification catalyst and diesel exhaust gas purification system

#127
20110173950
2011-07-21

Emissions treatment system with ammonia-generating and SCR catalysts

#128
20110154807
2011-06-30

NOx TRAP

#129
20110120086
2011-05-26

Reductant addition in exhaust system comprising NOx-absorbent

#130
20110111949
2011-05-12

Exhaust gas-purifying catalyst

#131
20110107752
2011-05-12

Small engine layered catalyst article and method of making

#132
20110094211
2011-04-28

Exhaust gas purifying catalyst

#133
20110064639
2011-03-17

Composite oxide

#134
20100146935
2010-06-17

NOstorage materials for sensor applications

#135
20100099554
2010-04-22

EXHAUST GAS PURIFICATION CATALYST

#136
20090304566
2009-12-10

Ammonia SCR catalyst and method of using the catalyst

#137
20090288401
2009-11-26

Composite oxide for exhaust gas purifying catalyst and exhaust gas purifying catalyst, and diesel exhaust gas purifying filter

#138
20090191108
2009-07-30

Zirconium/Praseodymium Oxide NOx Traps and Prufication of Gases Containing Nitrogen Oxides (NOx) Therewith

#139
20090084090
2009-04-02

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

#140
20090062117
2009-03-05

Nitrogen oxide storage material and nitrogen oxide storage catalyst produced therefrom

#141
20090000281
2009-01-01

Method for catalytic reduction of nitrogen oxides

#142
20080000222
2008-01-03

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

#143
20060057046
2006-03-16

Pressure-balanced, catalyzed soot filter

#144
20060032214
2006-02-16

Thermally stable lean nox trap

#145
20050145827
2005-07-07

SOtrap for diesel and lean-burn gasoline automotive applications

#146
20050059547
2005-03-17

Cerium-zirconium composite metal oxide