ClassID:

30451

B01D2255/912 - CPC Classification

Classification description:

Catalysts; Physical characteristics of catalysts HC-storage component incorporated in the catalyst

Recent Application in this class:
#1
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

#2
20250075650
2025-03-06

EXHAUST GAS TREATMENT SYSTEM FOR CONTROLLING HYDROCARBON ADSORPTION/DESORPTION IN HYDROCARBON TRAP

#3
20240367145
2024-11-07

EXHAUST GAS CLEANING CATALYST AND PRODUCTION METHOD THEREFOR

#4
20240238764
2024-07-18

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

#5
20230338939
2023-10-26

Diesel Oxidation Catalyst

#6
20230173455
2023-06-08

HYDROCARBON ADSORBENT

#7
20230049498
2023-02-16

HYDROCARBON ADSORBENT

#8
20220250044
2022-08-11

Manganese-containing diesel oxidation catalyst

#9
20220235685
2022-07-28

EXHAUST AFTERTREATMENT DEVICE

#10
20220234032
2022-07-28

Manganese-containing diesel oxidation catalyst

#11
20220152600
2022-05-19

Catalyst for Adsorbing Hydrocarbon and Hydrocarbon Trap Comprising the Same

#12
20220040637
2022-02-10

Exhaust gas treatment system

#13
20200157993
2020-05-21

Control device for internal combustion engine

#14
20190358616
2019-11-28

Oxidation catalyst for internal combustion engine exhaust gas treatment

#15
20190353068
2019-11-21

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

#16
20190353067
2019-11-21

EXHAUST TREATMENT SYSTEMS AND METHODS INVOLVING OXYGEN SUPPLEMENTATION AND HYDROCARBON TRAPPING

#17
20190351398
2019-11-21

Hydrocarbon trap catalyst

#18
20190321783
2019-10-24

Nitrogen oxides and hydrocarbon storage catalyst and methods of using the same

#19
20190299159
2019-10-03

OXIDATION CATALYST FOR A DIESEL ENGINE EXHAUST

#20
20190262809
2019-08-29

Manganese-containing diesel oxidation catalyst

#21
20190262772
2019-08-29

Diesel oxidation catalyst and exhaust system

#22
20190255485
2019-08-22

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

#23
20190193024
2019-06-27

Oxidation catalyst for a diesel engine exhaust

#24
20190083965
2019-03-21

Exhaust gas-purifying composition

#25
20190032533
2019-01-31

Exhaust gas treatment systems utilizing a single electrically heated catalyst

#26
20180353903
2018-12-13

Diesel oxidation catalyst and exhaust system

#27
20180353902
2018-12-13

Diesel oxidation catalyst and exhaust system

#28
20180169634
2018-06-21

Porous ceramic body to reduce emissions

#29
20180104677
2018-04-19

Oxidation catalyst for internal combustion engine exhaust gas treatment

#30
20180065085
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#31
20180065084
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#32
20180056282
2018-03-01

Hydrocarbon and nitrogen oxides catalyst trap

#33
20170282168
2017-10-05

Manufacturing method of honeycomb structure

#34
20170282167
2017-10-05

Honeycomb structure

#35
20170282166
2017-10-05

Multiple zeolite hydrocarbon traps

#36
20170266649
2017-09-21

Hydrocarbon storage optimization and coking prevention on an oxidation catalyst

#37
20170128922
2017-05-11

Cold Start Catalyst and Its Use in Exhaust Systems

#38
20170106337
2017-04-20

Oxidation catalyst for a diesel engine exhaust

#39
20170087512
2017-03-30

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

#40
20170074144
2017-03-16

Exhaust purification apparatus for internal combustion engine

#41
20170050181
2017-02-23

Use of transition metals to reduce cold start emissions

#42
20160367963
2016-12-22

Hydrocarbon trap with increased zeolite loading and improved adsorption capacity

#43
20160346771
2016-12-01

Crystalline germanosilicate materials of new CIT-13 topology and methods of preparing the same

#44
20160228818
2016-08-11

Three-way catalyst and its use in exhaust systems

#45
20160222851
2016-08-04

Exhaust gas purification catalyst device and exhaust gas purification method

#46
20160121266
2016-05-05

Exhaust gas purification system and exhaust gas purification method

#47
20150353368
2015-12-10

Processes using molecular sieve SSZ-100

#48
20150298059
2015-10-22

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

#49
20150251169
2015-09-10

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

#50
20150224478
2015-08-13

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

#51
20150217229
2015-08-06

Coated substrates for use in catalysis and catalytic converters and methods of coating substrates with washcoat compositions

#52
20150209769
2015-07-30

Hydrocarbon trap with increased zeolite loading and improved adsorption capacity

#53
20150202611
2015-07-23

Diesel oxidation catalyst and exhaust system

#54
20150202604
2015-07-23

Oxidation catalyst for internal combustion engine exhaust gas treatment

#55
20150202600
2015-07-23

Diesel oxidation catalyst and exhaust system

#56
20150202572
2015-07-23

Diesel oxidation catalyst and exhaust system

#57
20150174564
2015-06-25

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

#58
20150165422
2015-06-18

Manganese-containing diesel oxidation catalyst

#59
20150158023
2015-06-11

Cold start catalyst and its use in exhaust systems

#60
20150152768
2015-06-04

WALL-FLOW FILTER COMPRISING CATALYTIC WASHCOAT

#61
20150093312
2015-04-02

Washcoats and coated substrates for catalytic converters and methods of making and using same

#62
20140301907
2014-10-09

Diesel exhaust gas purification catalyst and diesel exhaust gas purification system

#63
20140243187
2014-08-28

Coated substrates for use in catalysis and catalytic converters and methods of coating substrates with washcoat compositions

#64
20140241964
2014-08-28

Oxidation catalyst for a combustion engine

#65
20140147359
2014-05-29

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

#66
20140140911
2014-05-22

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

#67
20140124992
2014-05-08

Zeolite structure and manufacturing method thereof

#68
20140057776
2014-02-27

Exhaust gas purification catalyst

#69
20140004013
2014-01-02

Multifunctional exhaust gas purifying filter, and exhaust gas purifying apparatus using the same

#70
20130287659
2013-10-31

COMBINED HYDROCARBON TRAP AND CATALYST

#71
20130280150
2013-10-24

Catalytically active particulate filter and use thereof

#72
20130202509
2013-08-08

Diesel oxidation catalyst

#73
20130121885
2013-05-16

Exhaust purification system of internal combustion engine

#74
20130115138
2013-05-09

Exhaust purification system of internal combustion engine

#75
20130089481
2013-04-11

Oxidation catalyst for internal combustion engine exhaust gas treatment

#76
20120315204
2012-12-13

EXHAUST PURIFICATION DEVICE AND EXHAUST PURIFICATION METHOD FOR DIESEL ENGINE

#77
20120308439
2012-12-06

COLD START CATALYST AND ITS USE IN EXHAUST SYSTEMS

#78
20120302439
2012-11-29

ENGINE EXHAUST CATALYSTS DOPED WITH BISMUTH OR MANGANESE

#79
20120301376
2012-11-29

Exhaust gas after-treatment device and method of use

#80
20120294771
2012-11-22

PARTICULATE FILTER FOR VEHICLE AND EXHAUST SYSTEM USING THE SAME

#81
20120255286
2012-10-11

Exhaust purification system for internal combustion engine

#82
20120240561
2012-09-27

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#83
20120190534
2012-07-26

Zeolite beta and process for producing the same

#84
20120023909
2012-02-02

Methods and systems for an engine emission control system

#85
20110305612
2011-12-15

NOx storage catalyst with improved hydrocarbon conversion activity

#86
20110237423
2011-09-29

Zeolite structure and manufacturing method thereof

#87
20110206584
2011-08-25

Palladium-contaning oxidation catalyst

#88
20110203264
2011-08-25

Diesel exhaust gas purification catalyst and diesel exhaust gas purification system

#89
20110082031
2011-04-07

Method and system for monitoring a hydrocarbon adsorber

#90
20110072806
2011-03-31

Exhaust gas purification apparatus

#91
20110044871
2011-02-24

Coating composition for diesel oxidation catalysts

#92
20110041479
2011-02-24

Exhaust gas purification method and exhaust gas purification system

#93
20110027130
2011-02-03

ADSORPTIVE PHOTO-CATALYTIC OXIDATION AIR PURIFICATION DEVICE

#94
20110005211
2011-01-13

COATING OF SUBSTRATES ENSURING A HIGH POROSITY WITH SIMUTANEOUSLY HIGH ABRASION RESISTANCE OF THE COATING

#95
20100307133
2010-12-09

EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE, AND METHOD OF CONTROLLING THE SAME

#96
20100290964
2010-11-18

High Pd content diesel oxidation catalysts with improved hydrothermal durability

#97
20100260652
2010-10-14

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

#98
20100192544
2010-08-05

Exhaust gas purification apparatus in an internal combustion engine

#99
20100186375
2010-07-29

Layered diesel oxidation catalyst composites

#100
20100180582
2010-07-22

Diesel oxidation catalyst with layer structure for improved hydrocarbon conversion

#101
20100180581
2010-07-22

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

#102
20100166629
2010-07-01

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

#103
20100115927
2010-05-13

Exhaust gas purifying apparatus for internal combustion engine

#104
20100092358
2010-04-15

Catalytically coated diesel particle filter, process for producing it and its use

#105
20100089038
2010-04-15

Exhaust purification device of internal combustion engine

#106
20100058742
2010-03-11

EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

#107
20090246100
2009-10-01

Exhaust gas purification device for internal combustion engine

#108
20090209408
2009-08-20

Exhaust Gas-Purifying Catalyst

#109
20090203515
2009-08-13

Exhaust gas purifying catalyst

#110
20090197761
2009-08-06

ADSORBENT FOR EXHAUST GAS

#111
20090181847
2009-07-16

Exhaust gas-purifying catalyst

#112
20080317999
2008-12-25

Gas catalysts comprising porous wall honeycombs

#113
20080317653
2008-12-25

Exhaust treatment system and catalyst system

#114
20080134648
2008-06-12

Method of operating an exhaust gas cleaning unit with particle filter and nitrogen oxygen store

#115
20070277507
2007-12-06

Enhanced hybrid de-NOx system

#116
20070248507
2007-10-25

Exhaust gas purification device

#117
20070199302
2007-08-30

Zeolite-Containing Oxidation Catalyst and Method of Use

#118
20070148067
2007-06-28

Treatment of engine exhaust using molecular sieve SSZ-74

#119
20070131115
2007-06-14

Method of fabricating pipe for absorbing fuel evaporation gas for automobiles

#120
20070051094
2007-03-08

HC adsorbing material and device for judging deterioration of the HC adsorbing material

#121
20070012032
2007-01-18

Hybrid system comprising HC-SCR, NOx-trapping, and NH3-SCR for exhaust emission reduction

#122
20060242947
2006-11-02

Emission Control System For An Engine

#123
20060059900
2006-03-23

Exhaust gas purification system

#124
20050220679
2005-10-06

System for automobile exhaust gas purification

#125
20050201916
2005-09-15

Zeolite-containing oxidation catalyst and method of use

#126
20050197244
2005-09-08

Exhaust treatment system and catalyst system