ClassID:

29786

B01D53/9486 - 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; Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start for storing hydrocarbons

Recent Application in this class:
#1
20240011421
2024-01-11

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

#2
20230330634
2023-10-19

YTTRIUM-DOPED CATALYST SUPPORT

#3
20230302406
2023-09-28

EXHAUST GAS PURIFICATION CATALYST DEVICE

#4
20230271136
2023-08-31

HYDROCARBON ADSORPTION MATERIAL, EXHAUST GAS CLEANING CATALYST, AND EXHAUST GAS CLEANING SYSTEM

#5
20230234022
2023-07-27

Hydrocarbon adsorbent

#6
20230191362
2023-06-22

HYDROCARBON ADSORBENT WITH METAL-IMPREGNATED ZEOLITE PARTICLE HAVING REGULAR MESOPORE AND MANUFACTURING METHOD THEREFOR

#7
20220282650
2022-09-08

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

#8
20220235685
2022-07-28

EXHAUST AFTERTREATMENT DEVICE

#9
20220152600
2022-05-19

Catalyst for Adsorbing Hydrocarbon and Hydrocarbon Trap Comprising the Same

#10
20200406226
2020-12-31

Hydrocarbon adsorbent

#11
20200391178
2020-12-17

HYDROCARBON ADSORBENT WITH METAL-IMPREGNATED ZEOLITE PARTICLE HAVING REGULAR MESOPORE AND MANUFACTURING METHOD THEREFOR

#12
20200157993
2020-05-21

Control device for internal combustion engine

#13
20200032686
2020-01-30

Integrated emissions control system

#14
20190321783
2019-10-24

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

#15
20190201885
2019-07-04

Process for producing a catalyst and catalyst as such

#16
20190134614
2019-05-09

POROUS CERAMIC BODY TO REDUCE EMISSIONS

#17
20180169634
2018-06-21

Porous ceramic body to reduce emissions

#18
20180161139
2018-06-14

Removal of occluded alkali metal cations from MSE-framework type molecular sieves

#19
20180056282
2018-03-01

Hydrocarbon and nitrogen oxides catalyst trap

#20
20170304811
2017-10-26

Catalyst trap

#21
20170282166
2017-10-05

Multiple zeolite hydrocarbon traps

#22
20170253491
2017-09-07

Molecular sieve SSZ-106, its synthesis and use

#23
20170144143
2017-05-25

Process for producing a catalyst and catalyst as such

#24
20170114690
2017-04-27

Systems and methods to reduce reductant consumption in exhaust aftertreatment systems

#25
20160346771
2016-12-01

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

#26
20160340197
2016-11-24

Processes using molecular sieve SSZ-27

#27
20160258330
2016-09-08

Catalyst device for exhaust gas purification and method for exhaust gas purification

#28
20160101985
2016-04-14

Removal of occluded alkali metal cations from MSE-framework type molecular sieves

#29
20160067691
2016-03-10

Processes using molecular sieve SSZ-101

#30
20160001273
2016-01-07

Processes using molecular sieve SSZ-98

#31
20150353368
2015-12-10

Processes using molecular sieve SSZ-100

#32
20150353367
2015-12-10

Processes using molecular sieve SSZ-99

#33
20150231566
2015-08-20

Low temperature catalyst/hydrocarbon trap

#34
20150158023
2015-06-11

Cold start catalyst and its use in exhaust systems

#35
20150157982
2015-06-11

Noble metal-molecular sieve catalysts

#36
20150132188
2015-05-14

COMBINED PARTICULATE FILTER AND HYDROCARBON TRAP

#37
20150104364
2015-04-16

Processes using molecular sieve SSZ-96

#38
20150078975
2015-03-19

NATURAL GAS ENGINE AFTERTREATMENT SYSTEM

#39
20140072494
2014-03-13

Treatment of cold start engine exhaust

#40
20130202495
2013-08-08

Hydrocarbon trap for reducing cold-start engine emissions

#41
20130028805
2013-01-31

EXHAUST GAS PURIFICATION DEVICE

#42
20130022511
2013-01-24

Exhaust purifying catalyst

#43
20120260628
2012-10-18

Treatment of cold start engine exhaust

#44
20120240561
2012-09-27

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#45
20120204547
2012-08-16

EXHAUST GAS PURIFICATION CATALYST AND EXHAUST GAS PURIFICATION APPARATUS USING SAME

#46
20100307133
2010-12-09

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

#47
20090317307
2009-12-24

EXHAUST GAS PURIFYING DEVICE

#48
20090199545
2009-08-13

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

#49
20090197761
2009-08-06

ADSORBENT FOR EXHAUST GAS

#50
20090110621
2009-04-30

TREATMENT OF ENGINE EXHAUST USING BORON-CONTAINING MOLECULAR SIEVE CHA

#51
20090081099
2009-03-26

TREATMENT OF ENGINE EXHAUST USING HIGH-SILICA MOLECULAR SIEVE CHA

#52
20080159936
2008-07-03

Treatment of cold start engine exhaust

#53
20080098729
2008-05-01

Device for purifying exhaust gas of an internal combustion engine

#54
20070277507
2007-12-06

Enhanced hybrid de-NOx system

#55
20070248507
2007-10-25

Exhaust gas purification device

#56
20060242947
2006-11-02

Emission Control System For An Engine

#57
20060115400
2006-06-01

Treatment of engine exhaust using boron-containing molecular sieve CHA

#58
20060115399
2006-06-01

Treatment of engine exhaust using high-silica molecular sieve CHA

#59
20050011182
2005-01-20

Exhaust gas purification apparatus for engine