ClassID:

30434

B01D2255/90 - CPC Classification

Classification description:

Catalysts Physical characteristics of catalysts

Sub-classes:
Recent Application in this class:
#1
20250041840
2025-02-06

PHOTOCATALYTIC AEROSOL

#2
20230405570
2023-12-21

EXHAUST GAS PURIFICATION CATALYST STRUCTURE

#3
20230294084
2023-09-21

EXHAUST GAS PURIFICATION CATALYST

#4
20230211275
2023-07-06

PARALLEL PASSAGE CONTACTOR HAVING ACTIVE LAYERS

#5
20220111334
2022-04-14

Reactor for reducing nitrogen oxides

#6
20210206022
2021-07-08

Honeycomb bodies with honeycomb structure strengthening features and extrusion dies therefor

#7
20200222891
2020-07-16

ELECTRICALLY HEATED CATALYST

#8
20200164333
2020-05-28

Propulsion element including a catalyzing reactor

#9
20190291090
2019-09-26

Photocatalyst

#10
20190170042
2019-06-06

Selective catalytic reduction articles and systems

#11
20190001266
2019-01-03

Catalyst bed and method for reducing nitrogen oxides

#12
20180369800
2018-12-27

Catalyst bed and method for reducing nitrogen oxides

#13
20180369753
2018-12-27

Reactor for reducing nitrogen oxides

#14
20180333700
2018-11-22

Micro coil

#15
20180283248
2018-10-04

Methods and systems for exhaust catalyst diagnostics

#16
20180280943
2018-10-04

Catalyst for treating an exhaust gas, an exhaust system and a method

#17
20180250659
2018-09-06

Exhaust treatment catalysts with enhanced hydrothermal stability and low-temperature activity

#18
20180209321
2018-07-26

EXHAUST PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE

#19
20180185818
2018-07-05

Average-density-adjustable structure, and material change and selective bonding process using same

#20
20180185787
2018-07-05

Process for removing oxygen from a gas mixture comprising hydrocarbon and oxygen

#21
20180185502
2018-07-05

IMMOBILIZATION OF BIOMOLECULES BY SELF-ASSEMBLED NANOSTRUCTURES

#22
20180161766
2018-06-14

Catalyst block

#23
20180023445
2018-01-25

Catalytic converters having non-linear flow channels

#24
20170246610
2017-08-31

A CATALYZING REACTOR, A METHOD FOR PRODUCING A CATALYZING REACTOR AND A USE OF CATALYZING REACTOR

#25
20170175609
2017-06-22

Catalytic converters having non-linear flow channels

#26
20170157559
2017-06-08

Temperature maintenance and regulation of vehicle exhaust catalyst systems with phase change materials

#27
20170087514
2017-03-30

UNIFORM FLOW DISTRIBUTION OF A REDUCTANT

#28
20160296920
2016-10-13

Exhaust gas purification catalyst

#29
20160258330
2016-09-08

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

#30
20160047751
2016-02-18

DIAGNOSTIC SYSTEM FOR EXHAUST SYSTEM COMPONENTS

#31
20160001277
2016-01-07

Zeolite, method for manufacturing zeolite, honeycomb catalyst, and exhaust gas purifying apparatus

#32
20150283504
2015-10-08

Temperature maintenance and regulation of vehicle exhaust catalyst systems with phase change materials

#33
20150266013
2015-09-24

Photocatalyst

#34
20150030510
2015-01-29

Honeycomb structure

#35
20150030509
2015-01-29

Electrically heatable honeycomb body assembly having an electrical connection of a plurality of sheet metal layers

#36
20140331638
2014-11-13

METHOD FOR PRODUCING A CATALYST FLOW ELEMENT AND CATALYST FLOW ELEMENT

#37
20140241951
2014-08-28

Exhaust-gas treatment device

#38
20140228210
2014-08-14

Catalysts on substrates and methods for providing the same

#39
20140199223
2014-07-17

Templated catalyst composition and associated method

#40
20130336866
2013-12-19

Catalytically active material and catalytic converter for the selective catalytic reduction of nitrogen oxides

#41
20130236381
2013-09-12

Denitration catalyst composition and method of denitration using same

#42
20120190541
2012-07-26

Sulfur resistant cladded titania—alumina supports

#43
20110098174
2011-04-28

Fibrous catalyst

#44
20100275581
2010-11-04

Exhaust emission control device for internal combustion engine

#45
20100196237
2010-08-05

TEMPLATED CATALYST COMPOSITION AND ASSOCIATED METHOD

#46
20100189615
2010-07-29

Mechanically fused materials for pollution abatement in mobile and stationary sources

#47
20100135864
2010-06-03

Photocatalytic material and photocatalytic member and purification device using the photocatalytic material

#48
20100115926
2010-05-13

Method of controlling NOx purification system and NOx purification system

#49
20100031640
2010-02-11

Exhaust purification device of internal combustion engine

#50
20090318286
2009-12-24

Exhaust gas purifying catalyst

#51
20090274903
2009-11-05

Catalysts on substrates and methods for providing the same

#52
20090246456
2009-10-01

Honeycomb structure

#53
20090205324
2009-08-20

Emission control system having a coated mixer for an internal combustion engine and method of use

#54
20090069174
2009-03-12

CATALYST FOR PURIFICATION OF EXHAUST GAS AND METHOD OF MANUFACTURING THE SAME

#55
20090010817
2009-01-08

Honeycomb filter

#56
20080250778
2008-10-16

Excess NH3 storage control for SCR catalysts

#57
20080178738
2008-07-31

Absorbent and/or filter materials comprising open cell foams coated with photocatalytic titanium dioxide, and methods of making and using the same

#58
20080139382
2008-06-12

CATALYST FOR PURIFICATION OF EXHAUST GAS

#59
20080132409
2008-06-05

Fibrous Catalyst

#60
20050037921
2005-02-17

Catalyst and method of making the same