ClassID:

30439

B01D2255/903 - CPC Classification

Classification description:

Catalysts; Physical characteristics of catalysts Multi-zoned catalysts

Sub-classes:
Recent Application in this class:
#1
20240392715
2024-11-28

Catalytic system comprising antimony-containing catalyst

#2
20240091751
2024-03-21

COPPER CHA ZEOLITE CATALYSTS

#3
20230081351
2023-03-16

Copper CHA zeolite catalysts

#4
20230073880
2023-03-09

DEVICES AND METHODS FOR RADIALLY-ZONED CATALYST COATING

#5
20220401926
2022-12-22

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

#6
20220388023
2022-12-08

FLUID FEED RING AND ASSOCIATED APPARATUS AND METHOD

#7
20210215079
2021-07-15

Exhaust gas aftertreatment system with a selective catalytic reduction catalyst member upstream of a particulate filter

#8
20200368684
2020-11-26

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

#9
20200316638
2020-10-08

Fluid feed ring and associated apparatus and method

#10
20200290019
2020-09-17

Exhaust gas purification catalyst

#11
20200261895
2020-08-20

Copper CHA zeolite catalysts

#12
20200215484
2020-07-09

Catalytic converter for treating exhaust gases

#13
20190299159
2019-10-03

OXIDATION CATALYST FOR A DIESEL ENGINE EXHAUST

#14
20190262772
2019-08-29

Diesel oxidation catalyst and exhaust system

#15
20190247792
2019-08-15

Selective catalytic reduction filter for reducing nitrous oxide formation and methods of using the same

#16
20190226372
2019-07-25

SCR catalyst and exhaust gas cleaning system

#17
20190201844
2019-07-04

Oxidation catalyst for a diesel engine exhaust

#18
20190201825
2019-07-04

Method and apparatus for producing ceramic honeycomb filter

#19
20180353903
2018-12-13

Diesel oxidation catalyst and exhaust system

#20
20180353902
2018-12-13

Diesel oxidation catalyst and exhaust system

#21
20180250632
2018-09-06

Method for the removal of nitrogen oxides from exhaust gas by selective catalytic reduction in presence of an SCR catalyst comprising a Fe-AEI zeolithic material essentially free of alkali metal

#22
20180111089
2018-04-26

Multifunctional filters for diesel emission control

#23
20180065085
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#24
20180065084
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#25
20180056278
2018-03-01

Oxidation catalyst for a diesel engine exhaust

#26
20180030870
2018-02-01

METHOD OF MANUFACTURING CATALYZED PARTICULATE FILTER

#27
20180023434
2018-01-25

METHOD OF MANUFACTURING CATALYZED PARTICULATE FILTER

#28
20170320046
2017-11-09

NOadsorber catalyst

#29
20170197179
2017-07-13

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

#30
20170151532
2017-06-01

Diesel oxidation catalyst having a capture region for exhaust gas impurities

#31
20170106337
2017-04-20

Oxidation catalyst for a diesel engine exhaust

#32
20170087541
2017-03-30

Zoned ammonia slip catalyst for use in combustion turbines

#33
20160263525
2016-09-15

Methods and apparatus for crossflow reactors

#34
20160236179
2016-08-18

Exhaust system for a compression ignition engine having a capture region for volatilised platinum

#35
20160228817
2016-08-11

Automotive catalytic aftertreatment system

#36
20160121267
2016-05-05

Three-way catalytic converter

#37
20150231617
2015-08-20

Fe-SAPO-34 CATALYST FOR USE IN NOX REDUCTION AND METHOD OF MAKING

#38
20150202611
2015-07-23

Diesel oxidation catalyst and exhaust system

#39
20150202600
2015-07-23

Diesel oxidation catalyst and exhaust system

#40
20150202572
2015-07-23

Diesel oxidation catalyst and exhaust system

#41
20140219878
2014-08-07

Mixed phase oxide catalysts