ClassID:

30385

B01D2255/2022 - CPC Classification

Classification description:

Catalysts; Metals or compounds thereof; Alkali metals Potassium

Recent Application in this class:
#1
20240269656
2024-08-15

METHOD FOR MANUFACTURING CATALYST FOR CAPTURE AND CONVERSION OF CARBON DIOXIDE

#2
20240024817
2024-01-25

USE OF CATALYST AND METHOD OF REMOVING ALDEHYDES

#3
20230256422
2023-08-17

COMPLEX OXIDES FOR REACTIVE OXYGEN SEPARATION AND RELATED APPLICATIONS

#4
20230219064
2023-07-13

EXHAUST GAS EMISSIONS ABATEMENT SYSTEM

#5
20230191325
2023-06-22

A PROCESS FOR THE REMOVAL OF NOX AND DINITROGEN OXIDE IN PROCESS OFF-GAS

#6
20220403276
2022-12-22

Pretreatment desulfurization method for ship fuel oil using pretreatment desulfurization agent

#7
20220126274
2022-04-28

Catalyst device for treatment of formaldehyde and volatile organic compounds

#8
20210260569
2021-08-26

Ultraviolet activated photocatalytic materials; their use in volatile compound decomposition

#9
20210069686
2021-03-11

β-zeolite and production method thereof

#10
20200353451
2020-11-12

Purification catalyst for interior of polymer film production furnace and purification method for interior of polymer film production furnace

#11
20200324273
2020-10-15

Multi-functional composition of matter for removal of mercury from high temperature flue gas streams

#12
20200129924
2020-04-30

Methods for the treatment of a flue gas stream using catalytically-enhanced sorbent compositions

#13
20200114311
2020-04-16

Catalytically enhanced compositions for efficient removal of contaminants in flue gas streams

#14
20190374907
2019-12-12

Catalytic cookstove with passive control of draft and method of use

#15
20190358614
2019-11-28

Copper containing MOZ zeolite for selective NOx reduction catalysis

#16
20190211723
2019-07-11

Exhaust gas purification filter

#17
20190076827
2019-03-14

Direct NOx decomposition catalyst with improved activity and selectivity

#18
20190076783
2019-03-14

Clean gas stack

#19
20180339268
2018-11-29

Potassium dispersed on spinel oxides as catalysts for direct NOx decomposition

#20
20180333699
2018-11-22

Catalyst device for treatment of formaldehyde and volatile organic compounds

#21
20180111112
2018-04-26

Catalysts with atomically dispersed platinum group metal complexes

#22
20180043306
2018-02-15

Method for producing NOx storage-reduction catalyst

#23
20180028971
2018-02-01

Methods for the manufacture of a sorbent composition having a catalyst component

#24
20180028970
2018-02-01

Methods for the treatment of a flue gas stream using catalytically-enhanced sorbent compositions

#25
20180021725
2018-01-25

CATALYSTS FOR ENHANCED REDUCTION OF NOx GASES AND PROCESSES FOR MAKING AND USING SAME

#26
20180021613
2018-01-25

Catalyst for disinfection, sterilization and purification of air, and preparation method thereof

#27
20180001257
2018-01-04

Multi-functional composition of matter for rapid removal of mercury from a flue gas

#28
20170333826
2017-11-23

Process for removing and recovering HS from a gas stream by cyclic adsorption

#29
20170328250
2017-11-16

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

#30
20170292427
2017-10-12

Exhaust gas purification catalyst

#31
20170284247
2017-10-05

Exhaust gas purification filter

#32
20170274359
2017-09-28

Carrier for exhaust gas purification catalyst and exhaust gas purification catalyst

#33
20170274357
2017-09-28

Porous ceramic structural body

#34
20170248049
2017-08-31

EXHAUST GAS PURIFICATION CATALYST, EXHAUST GAS PURIFICATION DEVICE AND FILTER, AND PRODUCTION METHOD FOR SAID CATALYST

#35
20170203282
2017-07-20

Noble metal-free catalyst compositions

#36
20170173574
2017-06-22

Honeycomb fired body, honeycomb filter, and method for producing honeycomb fired body

#37
20170157596
2017-06-08

Exhaust gas purifying catalyst, exhaust gas purification device and filter, and method for producing said catalyst

#38
20170100709
2017-04-13

Exhaust gas-purifying catalyst

#39
20170100695
2017-04-13

System and Method for Scrubbing Contaminated Gas with a Glycerol Solution

#40
20170080388
2017-03-23

GASOLINE ENGINE WITH AN EXHAUST SYSTEM FOR COMBUSTING PARTICULATE MATTER

#41
20170016367
2017-01-19

Glass catalyst compositions for improved hydrothermal durability

#42
20170014804
2017-01-19

Exhaust gas purification catalyst

#43
20160346731
2016-12-01

Exhaust gas purification catalyst for lean burn engine

#44
20160236182
2016-08-18

Ceria-supported metal catalysts for the selective reduction of NO

#45
20160214059
2016-07-28

Systems and methods for removing sulfur dioxide from a gas stream

#46
20160213003
2016-07-28

APPLICATION OF POLYOXOMETALATE IN PREPARATION OF DISINFECTANT FOR STERILIZING AND REMOVING FORMALDEHYDE

#47
20160107119
2016-04-21

CATALYSTS FOR ENHANCED REDUCTION OF NOx GASES AND PROCESSES FOR MAKING AND USING SAME

#48
20160023162
2016-01-28

Systems and methods for removing sulfur dioxide from a gas stream

#49
20150343378
2015-12-03

Catalytically enhanced compositions for efficient removal of contaminants in flue gas streams

#50
20150285114
2015-10-08

Exhaust gas after-treatment system and method for the exhaust gas after-treatment

#51
20150240752
2015-08-27

Exhaust system having NO catalyst in EGR circuit

#52
20150238902
2015-08-27

Exhaust gas purification system and exhaust gas purification method

#53
20150165416
2015-06-18

Multi-functional composition of matter for removal of mercury from high temperature flue gas streams

#54
20150151247
2015-06-04

Method for removing an ester from a vapor mixture

#55
20150139883
2015-05-21

Ceria-supported metal catalysts for the selective reduction of NO

#56
20150023863
2015-01-22

Material and exhaust gas system and method for using the same

#57
20150017083
2015-01-15

Coating for reducing nitrogen oxides

#58
20140294710
2014-10-02

Method for preparing a catalyst composition suitable for removing sulfur from a catalytic reduction system

#59
20140271430
2014-09-18

Method for oxidizing carbonaceous material diesel particulate filter and exhaust gas system

#60
20140186226
2014-07-03

NOx storage and reduction catalyst, preparation method, and NOx removing system

#61
20140154175
2014-06-05

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

#62
20140023576
2014-01-23

Systems and methods for reducing secondary emissions from catalyst components

#63
20140007557
2014-01-09

Exhaust purification system of internal combustion engine

#64
20130345048
2013-12-26

Glass catalysts for soot combustion and methods of manufacturing the same

#65
20130195741
2013-08-01

Catalyzed soot filters, systems and methods of treatment

#66
20130177484
2013-07-11

Lean NOx type exhaust gas purifying catalyst

#67
20130142727
2013-06-06

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

#68
20130115138
2013-05-09

Exhaust purification system of internal combustion engine

#69
20130109562
2013-05-02

Multi-functional composition of matter for rapid removal of mercury from a flue gas

#70
20130058841
2013-03-07

NOx REDUCTION CATALYST SYSTEM, AND NOx REDUCTION METHOD

#71
20130034468
2013-02-07

Exhaust purification system of internal combustion engine

#72
20130011302
2013-01-10

Exhaust purification system of internal combustion engine

#73
20130004395
2013-01-03

PROCESSES AND APPARATUSES FOR OXIDIZING ELEMENTAL MERCURY IN FLUE GAS USING OXYCHLORINATION CATALYSTS

#74
20120329644
2012-12-27

CATALYST COMPOSITION AND CATALYTIC REDUCTION SYSTEM

#75
20120315198
2012-12-13

Process for the preparation of an alkylene carbonate and an alkylene glycol

#76
20120275986
2012-11-01

GLASS FRIT AND PROCESS FOR OXIDIZING CARBON MICROPARTICLES USING THE SAME

#77
20120258015
2012-10-11

Exhaust treatment system for an internal combustion engine

#78
20120230899
2012-09-13

Mixed metal oxide catalyst for decomposition of nitrogen oxides

#79
20120219487
2012-08-30

Method for adsorbing and decomposing lean nitrogen oxide using a mixed metal oxide catalyst

#80
20120216516
2012-08-30

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#81
20120134907
2012-05-31

Coated perovskite-based catalysts, catalyst combinations and methods of treating a gas stream

#82
20120124971
2012-05-24

Exhaust purification system of internal combustion engine

#83
20120036840
2012-02-16

NOx storage and reduction catalyst, preparation method, and NOx removing system

#84
20120014865
2012-01-19

Copper containing ZSM-34, OFF and/or ERI zeolitic material for selective reduction of NOx

#85
20110309286
2011-12-22

CRACKING CATALYSTS, ADDITIVES, METHODS OF MAKING THEM AND USING THEM

#86
20110308620
2011-12-22

Cracking catalysts, additives, methods of making them and using them

#87
20110305615
2011-12-15

NOx storage catalyst with reduced Rh loading

#88
20110293509
2011-12-01

Water gas shift process

#89
20110277452
2011-11-17

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

#90
20110232266
2011-09-29

GASOLINE ENGINE WITH AN EXHAUST SYSTEM FOR COMBUSTING PARTICULATE MATTER

#91
20110200506
2011-08-18

Catalyst for purification of exhaust gas and method for purification using the same

#92
20110197763
2011-08-18

Material for eliminating oxides of nitrogen with lamellar structure

#93
20110195007
2011-08-11

CATALYST FOR REMOVING NOx FROM EXHAUST GAS OF LEAN-BURNING AUTOMOBILES OR INCINERATORS

#94
20110174196
2011-07-21

Captured COfrom atmospheric, industrial and vehicle combustion waste

#95
20110168059
2011-07-14

Captured COfrom atmospheric, industrial and vehicle combustion waste

#96
20110120099
2011-05-26

Systems and methods for reducing NObreakthrough

#97
20110120086
2011-05-26

Reductant addition in exhaust system comprising NOx-absorbent

#98
20110091361
2011-04-21

Filter for removing particles from a gas stream and method for the manufacture thereof

#99
20110088377
2011-04-21

EXHAUST PURIFICATION DEVICE OF INTERNAL COMBUSTION ENGINE

#100
20110041487
2011-02-24

Catalyst apparatus and exhaust gas purification system for internal combustion engine

#101
20100307132
2010-12-09

Method for controlling exhaust gas purification system and exhaust gas purification system

#102
20100304965
2010-12-02

Ceramic articles and methods of producing ceramic articles

#103
20100296966
2010-11-25

Multi-functional cabin air filter

#104
20100251937
2010-10-07

Captured COfrom atmospheric, industrial and vehicle combustion waste

#105
20100247398
2010-09-30

Honeycomb structure

#106
20100229533
2010-09-16

Perovskite-type compounds for use in lean NOtraps

#107
20100221154
2010-09-02

Method and apparatus for reducing NOemissions from a lean burning hydrocarbon fueled power source

#108
20100209326
2010-08-19

PEROVSKITE CATALYST SYSTEM FOR LEAN BURN ENGINES

#109
20100205947
2010-08-19

S storage catalyst and exhaust-gas converting apparatus

#110
20100178224
2010-07-15

LEAN NOx TRAP/CONVERSION CATALYST

#111
20100146935
2010-06-17

NOstorage materials for sensor applications

#112
20100101220
2010-04-29

Exhaust gas purifying catalyst

#113
20100101212
2010-04-29

Exhaust gas purifying method

#114
20100075842
2010-03-25

POTASSIUM OXIDE-INCORPORATED ALUMINA CATALYSTS WITH ENHANCED STORAGE CAPACITIES OF NITROGEN OXIDE AND A PRODUCING METHOD THEREFOR

#115
20100000852
2010-01-07

Method of separating carbon dioxide

#116
20090324454
2009-12-31

Purification catalyst for reflow furnace gas, method for preventing contamination of reflow furnace, and reflow furnace

#117
20090287011
2009-11-19

Process for the preparation of an alkylene carbonate and an alkylene glycol

#118
20090257934
2009-10-15

Transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage-reduction

#119
20090247402
2009-10-01

HONEYCOMB STRUCTURE AND METHOD OF MANUFACTURING THE SAME

#120
20090246456
2009-10-01

Honeycomb structure

#121
20090232714
2009-09-17

PARTICULATE COMBUSTION CATALYST, PARTICULATE FILTER, AND EXHAUST GAS CLEAN-UP SYSTEM

#122
20090196811
2009-08-06

NOx REDUCTION CATALYST, NOx REDUCTION CATALYST SYSTEM, AND NOx REDUCTION METHOD

#123
20090170694
2009-07-02

CATALYST MATERIAL FOR TREATING PRODUCTS PRODUCED DURING COMBUSTION AND METHOD FOR ITS PREPARATION

#124
20090031712
2009-02-05

Catalysts with slow, passive release of alkali ions

#125
20090010817
2009-01-08

Honeycomb filter

#126
20080260991
2008-10-23

Catalyst supporting honeycomb and method of manufacturing the same

#127
20080187714
2008-08-07

Exhaust gas purifying catalyst and manufacturing method thereof

#128
20080112870
2008-05-15

Catalysts for dual oxidation of ammonia and carbon monoxide with low to no NOformation

#129
20080102002
2008-05-01

Oxidation catalyst for removing fine soot particulates from exhaust gases and method of removing fine soot particulates using the same

#130
20080026937
2008-01-31

Transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage-reduction

#131
20080000222
2008-01-03

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

#132
20070245723
2007-10-25

Exhaust purification device of internal combustion engine

#133
20070204595
2007-09-06

Exhaust Gas Purification Apparatus of Internal Combustion Engine and Catalyst for Purifying Exhaust Gas of Internal Combustion Engine

#134
20070160517
2007-07-12

Catalyst, a method of using a catalyst, and an arrangement including a catalyst, for controlling NO and/or CO emissions from a combustion system without using external reagent

#135
20070149394
2007-06-28

Catalyst, a method of using a catalyst, and an arrangement including a catalyst, for controlling NO and/or CO emissions from a combustion system without using external reagent

#136
20070012185
2007-01-18

Air treatment filter and related method

#137
20060223694
2006-10-05

Perovskite catalyst system for lean burn engines

#138
20060199731
2006-09-07

Catalyst and catalyst support

#139
20060034741
2006-02-16

Catalyst composition for use in a lean NOtrap and method of using

#140
20060019824
2006-01-26

Exhaust gas purification catalyst

#141
20060003889
2006-01-05

Silicon carbide-based catalytic body and process for producing the same

#142
20050221979
2005-10-06

Purification catalyst for exhaust gas

#143
20050220679
2005-10-06

System for automobile exhaust gas purification

#144
20050089456
2005-04-28

Exhaust gas purifcation apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine

#145
20050085382
2005-04-21

Carrier having alumina carried thereon, catalyst element, and method for preparation of carrier having alumina carried thereon

#146
20050031513
2005-02-10

Gasoline engine with an exhaust system for combusting particulate matter

#147
15643108
2018-08-07

Catalytic nanosheets to lower soot light off temperatures, method for making nanosheets to lower soot light off temperatures