ClassID:

30391

B01D2255/2047 - CPC Classification

Classification description:

Catalysts; Metals or compounds thereof; Alkaline earth metals Magnesium

Recent Application in this class:
#1
20260034512
2026-02-05

AN APPARATUS FOR CATALYTIC DECOMPOSITION OF NITROUS OXIDE

#2
20250205642
2025-06-26

Copper and Manganese Containing Chabazite SCR Catalyst for N2O Reduction

#3
20250099943
2025-03-27

METAL PROMOTED PALLADIUM AND/OR PLATINUM-CONTAINING CATALYSTS FOR GASOLINE ENGINE EXHAUST GAS TREATMENTS

#4
20240390878
2024-11-28

GRAIN BOUNDARY AND SURFACE-DOPED RARE EARTH MANGANESE-ZIRCONIUM COMPOSITE COMPOUND AND PREPARATION METHOD AND USE THEREOF

#5
20240342684
2024-10-17

NANOCATALYZED SORBENTS FOR DIRECT AIR CAPTURE OF CARBON DIOXIDE

#6
20240316497
2024-09-26

EXHAUST GAS PURIFYING CATALYST

#7
20240269656
2024-08-15

METHOD FOR MANUFACTURING CATALYST FOR CAPTURE AND CONVERSION OF CARBON DIOXIDE

#8
20240149251
2024-05-09

EXHAUST GAS PURIFICATION CATALYST COMPOSITION AND EXHAUST GAS PURIFICATION CATALYST

#9
20240149217
2024-05-09

OCEAN FERTILIZER

#10
20240091703
2024-03-21

METHOD AND APPARATUS FOR LOW TEMPERATURE REGENERATION OF ACID GAS USING A CATALYST

#11
20230330640
2023-10-19

Particulate Filter

#12
20230256422
2023-08-17

COMPLEX OXIDES FOR REACTIVE OXYGEN SEPARATION AND RELATED APPLICATIONS

#13
20220355275
2022-11-10

HEAT-RESISTANT RUTHENIUM COMPOSITE AND USE THEREOF AS CATALYST FOR NOX STORAGE AND REDUCTION

#14
20220241762
2022-08-04

Zeolite synthesis with alkaline earth metal

#15
20220152595
2022-05-19

Tunable NOadsorber

#16
20220097026
2022-03-31

Catalytic converter

#17
20220054977
2022-02-24

Structured monolith catalyst for reducing NOX emission in flue gas, preparation method and applications thereof

#18
20210260573
2021-08-26

PARTICULATE FILTERS

#19
20210252456
2021-08-19

Nitrogen oxide storage catalyst

#20
20210207513
2021-07-08

Co clean-up catalyst, after treatment system and after treatment method

#21
20210146339
2021-05-20

Catalyst compositions and process for direct production of hydrogen cyanide in an acrylonitrile reactor feed stream

#22
20210100924
2021-04-08

Air purification system

#23
20210053030
2021-02-25

Supported catalyst for organic substance decomposition and organic substance decomposition device

#24
20210016259
2021-01-21

Supported catalyst for organic substance decomposition and organic substance decomposing apparatus

#25
20200406245
2020-12-31

Honeycomb-structured catalyst for organic substance decomposition and organic substance decomposing apparatus

#26
20200406236
2020-12-31

Catalyst for organic substance decomposition and organic substance decomposing apparatus

#27
20200360908
2020-11-19

Zeolite synthesis with alkaline earth metal

#28
20200353409
2020-11-12

Direct oxidation of hydrogen sulfide in a hydroprocessing recycle gas stream with hydrogen purification

#29
20200324273
2020-10-15

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

#30
20200300140
2020-09-24

SELECTIVE CATALYTIC REDUCTION SYSTEM AND A METHOD FOR NOx REDUCTION

#31
20200248604
2020-08-06

Co clean-up catalyst, after treatment system and after treatment method

#32
20200248603
2020-08-06

CO clean-up catalyst, after treatment system and after treatment method

#33
20200147592
2020-05-14

Base Metal Catalyst and Method of Using Same

#34
20200129924
2020-04-30

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

#35
20200114342
2020-04-16

Zeolite synthesis with alkaline earth metal

#36
20200114311
2020-04-16

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

#37
20200070130
2020-03-05

Organic matter decomposition catalyst, organic matter decomposition aggregate, and organic matter decomposition apparatus

#38
20200032687
2020-01-30

MULTI-LAYER NITROGEN OXIDE STORAGE CATALYST WITH MANGANESE

#39
20200030745
2020-01-30

CATALYST FOR REDUCTION OF NITROGEN OXIDES

#40
20200001273
2020-01-02

Composition for mineralizing carbon dioxide and nitrogen oxide gases and uses thereof

#41
20190344219
2019-11-14

Adsorbent materials, apparatus, and methods for removal of hydrogen sulfide from gases

#42
20190323401
2019-10-24

Catalyst substrate, method of manufacturing the same, and exhaust gas purification apparatus

#43
20190255485
2019-08-22

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

#44
20190241270
2019-08-08

Catalytic ozone removal

#45
20190211723
2019-07-11

Exhaust gas purification filter

#46
20190185175
2019-06-20

Contaminant removal for catalytic fuel tank inerting system

#47
20190176129
2019-06-13

NOtrap

#48
20190153344
2019-05-23

Process for energy recovery in carbon black production

#49
20190134570
2019-05-09

Nanofiber-based bipolar membranes, fabricating methods and applications of same

#50
20190023992
2019-01-24

Particle including atomic-scale channel, method of preparing the same, and catalyst including the same

#51
20180163598
2018-06-14

SCR CATALYTIC SYSTEM

#52
20180093259
2018-04-05

Zeolite synthesis with alkaline earth metal

#53
20180065113
2018-03-08

NOtrap

#54
20180065112
2018-03-08

NOx trap catalyst support material with improved stability against BaAl2O4 formation

#55
20180050804
2018-02-22

Catalytic ozone removal

#56
20180043336
2018-02-15

Lean NOtrap with enhanced high and low temperature performance

#57
20180043335
2018-02-15

NOadsorber catalyst, methods and systems

#58
20180028971
2018-02-01

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

#59
20180028970
2018-02-01

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

#60
20180021725
2018-01-25

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

#61
20180001294
2018-01-04

Method for manufacturing activated carbon

#62
20180001257
2018-01-04

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

#63
20170354949
2017-12-14

Adsorbent for capturing carbon dioxide comprising magnesium oxide/titanium dioxide composite and method for manufacturing same

#64
20170350289
2017-12-07

Emission control device

#65
20170342003
2017-11-30

Process for the preparation of 1,3,3,3-tetrafluoropropene

#66
20170328250
2017-11-16

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

#67
20170320048
2017-11-09

Integrated LNT-TWC catalyst

#68
20170320046
2017-11-09

NOadsorber catalyst

#69
20170284247
2017-10-05

Exhaust gas purification filter

#70
20170274359
2017-09-28

Carrier for exhaust gas purification catalyst and exhaust gas purification catalyst

#71
20170274357
2017-09-28

Porous ceramic structural body

#72
20170266642
2017-09-21

High temperature layered mixed-metal oxide materials with enhanced stability

#73
20170218809
2017-08-03

Catalyst system for reducing nitrogen oxides

#74
20170203282
2017-07-20

Noble metal-free catalyst compositions

#75
20170183995
2017-06-29

Catalyst for reduction of nitrogen oxides

#76
20170120192
2017-05-04

Oxidation catalyst

#77
20170100709
2017-04-13

Exhaust gas-purifying catalyst

#78
20170089572
2017-03-30

Process and apparatus for reducing acid plume

#79
20170087512
2017-03-30

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

#80
20170036153
2017-02-09

Particulate filter provided with catalyst and method for manufacturing said filter

#81
20170009623
2017-01-12

Nitrogen oxides (NOx) storage catalyst

#82
20170001172
2017-01-05

Inorganic oxide material

#83
20160346731
2016-12-01

Exhaust gas purification catalyst for lean burn engine

#84
20160296912
2016-10-13

Exhaust gas purification catalyst and method for producing the same

#85
20160288103
2016-10-06

Oxidation catalyst, method for preparing same, and filter for exhaust gas purification comprising same

#86
20160251226
2016-09-01

Purification of carbon dioxide streams

#87
20160123920
2016-05-05

Nitrogen oxide decomposition material and use thereof

#88
20160107119
2016-04-21

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

#89
20160107114
2016-04-21

Honeycomb air filter and methods thereof

#90
20160067683
2016-03-10

Denitration catalyst and method for producing same

#91
20150352493
2015-12-10

Catalytic articles containing platinum group metals and non-platinum group metals and methods of making and using same

#92
20150343378
2015-12-03

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

#93
20150321184
2015-11-12

Ammonia slip catalyst having platinum impregnated on high porosity substrates

#94
20150306571
2015-10-29

Catalyst for abating a nitrogen oxide, method for preparing the same, and catalyst system for abating a nitrogen oxide

#95
20150298104
2015-10-22

MOLTEN SALT-TYPE OFF GAS PURIFICATION CATALYST AND OFF GAS PURIFICATION FILTER

#96
20150298059
2015-10-22

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

#97
20150290625
2015-10-15

Mixed metal oxidic nano sheets coated monolithic catalysts useful for the decomposition of toxic NO and a process for the preparation thereof

#98
20150266014
2015-09-24

Integrated LNT-TWC catalyst

#99
20150265968
2015-09-24

METHOD FOR PURIFYING EXHAUST GAS

#100
20150240752
2015-08-27

Exhaust system having NO catalyst in EGR circuit

#101
20150224478
2015-08-13

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

#102
20150190787
2015-07-09

Selective catalytic reduction wall flow filter incorporating a vanadate

#103
20150182945
2015-07-02

Dry-scrubbing media compositions and methods of production and use

#104
20150174564
2015-06-25

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

#105
20150165416
2015-06-18

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

#106
20150107986
2015-04-23

Photocatalytic material for splitting oxides of carbon

#107
20150064631
2015-03-05

High temperature combustion catalyst

#108
20150045212
2015-02-12

Exhaust gas purification catalyst

#109
20150010455
2015-01-08

Microwave catalyst and preparation process and use thereof

#110
20150007568
2015-01-08

Power generation apparatus, power generation method, decomposition-gas turbine and decomposition-gas boiler

#111
20150005160
2015-01-01

Exhaust gas purifying catalyst and method for producing same

#112
20140314649
2014-10-23

Process for removing nitrogen oxides from gas using microwave catalytic reaction by microwave catalysis

#113
20140301923
2014-10-09

Selective catalytic reduction catalyst system

#114
20140274665
2014-09-18

Selective catalytic reduction catalyst system

#115
20140271430
2014-09-18

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

#116
20140271428
2014-09-18

Catalyst compositions, articles, methods and systems

#117
20140271422
2014-09-18

Selective catalytic reduction catalyst system

#118
20140186226
2014-07-03

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

#119
20140053760
2014-02-27

Reducing sulfur gas emissions resulting from the burning of carbonaceous fuels

#120
20130263927
2013-10-10

Method and device for ammonia storage and delivery using in-situ re-saturation of a delivery unit

#121
20130183202
2013-07-18

Exhaust purification system of internal combustion engine

#122
20130142727
2013-06-06

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

#123
20130109562
2013-05-02

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

#124
20130004395
2013-01-03

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

#125
20120315206
2012-12-13

DEACTIVATION-RESISTANT CATALYST FOR SELECTIVE CATALYTIC REDUCTION OF NOX

#126
20120309617
2012-12-06

Method of Production of Photocatalytic Powder Comprising Titanium Dioxide and Manganese Dioxide Active Under Ultraviolet and Visible Light

#127
20120302431
2012-11-29

COMPOSITE CATALYST AND METHOD FOR PREPARATION THEREOF

#128
20120277094
2012-11-01

CATALYST SUPPORT OR CATALYST, AND PROCESS FOR PRODUCING THE SAME

#129
20120230878
2012-09-13

Systems and methods for reducing off-gassed ozone

#130
20120157293
2012-06-21

Carbon monoxide combustion catalyst and a process of preparation thereof

#131
20120055141
2012-03-08

Catalyst for gasoline lean burn engines with improved NO oxidation activity

#132
20120036840
2012-02-16

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

#133
20120020861
2012-01-26

USE OF A TiO2- BASED COMPOSITION FOR CAPTURING HALOGENATED COMPOUNDS CONTAINED IN A GASEOUS MIXTURE

#134
20110305615
2011-12-15

NOx storage catalyst with reduced Rh loading

#135
20110305612
2011-12-15

NOx storage catalyst with improved hydrocarbon conversion activity

#136
20110293509
2011-12-01

Water gas shift process

#137
20110280768
2011-11-17

AMMONIA SUPPLY DEVICE, AMMONIA SUPPLY METHOD AND EXHAUST GAS PURIFICATION SYSTEM

#138
20110277639
2011-11-17

Apparatus and method of optimized acid gas and toxic metal control in gasifier produced gases

#139
20110274600
2011-11-10

OZONE OXIDATION FILTRATION AND NEUTRALIZATION AIR CLEANING SYSTEM, APPARATUS & METHOD

#140
20110223071
2011-09-15

Apparatus for purifying and neutralizing toxic gases

#141
20110207601
2011-08-25

Exhaust gas-purifying catalyst

#142
20110206585
2011-08-25

Metal recovery method, metal recovery apparatus, gas exhaust system and film forming device using same

#143
20110200515
2011-08-18

Catalyst containment unit

#144
20110200507
2011-08-18

Adsorber material and process for desulfurizing hydrocarbonaceous gases

#145
20110200506
2011-08-18

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

#146
20110197763
2011-08-18

Material for eliminating oxides of nitrogen with lamellar structure

#147
20110177939
2011-07-21

Exhaust gas purifying catalyst

#148
20110120086
2011-05-26

Reductant addition in exhaust system comprising NOx-absorbent

#149
20110114548
2011-05-19

Systems and methods for reducing off-gassed ozone

#150
20110111952
2011-05-12

Exhaust gas purifying catalyst and method for producing the same

#151
20110104029
2011-05-05

Photocatalytic material for splitting oxides of carbon

#152
20110064639
2011-03-17

Composite oxide

#153
20110041487
2011-02-24

Catalyst apparatus and exhaust gas purification system for internal combustion engine

#154
20110030354
2011-02-10

PARTICULATE COMBUSTION CATALYST, PARTICULATE FILTER AND EXHAUST GAS PURIFYING APPARATUS

#155
20110027155
2011-02-03

Catalyst for purifying exhaust gas from internal combustion engine and process for purifying exhaust gas using the same

#156
20100247398
2010-09-30

Honeycomb structure

#157
20100227759
2010-09-09

Catalyst Composition

#158
20100209326
2010-08-19

PEROVSKITE CATALYST SYSTEM FOR LEAN BURN ENGINES

#159
20100202947
2010-08-12

USE OF A TiO2- BASED COMPOSITION FOR CAPTURING HALOGENATED COMPOUNDS CONTAINED IN A GASEOUS MIXTURE

#160
20100200392
2010-08-12

Photodegradation catalyst and photodegradation catalyst precursor comprising metal halide or metal oxyhalide

#161
20100180771
2010-07-22

FLUIDIZED BED SYSTEM FOR REMOVING MULTIPLE POLLUTANTS FROM A FUEL GAS STREAM

#162
20100180770
2010-07-22

Maritime Vessel Black and Gray water tank vent gas adsorption filter

#163
20100166633
2010-07-01

CATALYST AND METHOD FOR DECOMPOSING VOLATILE ORGANIC COMPOUNDS

#164
20100158768
2010-06-24

EXHAUST GAS PURIFYING CATALYST AND EXHAUST GAS PURIFYING APPARATUS

#165
20100111797
2010-05-06

ADDITIVE-CONTAINING ANIONIC CLAYS FOR REDUCING SOX EMISSIONS FROM AN FCC REGENERATOR AND PROCESS FOR MAKING THEM

#166
20100093526
2010-04-15

CATALYST COMPOSITION

#167
20100092360
2010-04-15

Catalyst containing platinum and palladium for the selective reduction of NOx with hydrogen (H2-SCR)

#168
20100034712
2010-02-11

Exhaust-gas converting apparatus

#169
20090297418
2009-12-03

Composite Catalyst Materials And Method For The Selective Reduction Of Nitrogen Oxides

#170
20090291840
2009-11-26

HONEYCOMB STRUCTURE

#171
20090257934
2009-10-15

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

#172
20090247402
2009-10-01

HONEYCOMB STRUCTURE AND METHOD OF MANUFACTURING THE SAME

#173
20090246456
2009-10-01

Honeycomb structure

#174
20090246107
2009-10-01

Dry-scrubbing media compositions and methods of production and use

#175
20090238742
2009-09-24

System and method for enhanced removal of COfrom a mixed gas stream via use of a catalyst

#176
20090235625
2009-09-24

Filter and associated method

#177
20090211445
2009-08-27

AMORPHOUS INFINITE COORDINATION POLYMER MICROPARTICLES AND USE FOR HYDROGEN STORAGE

#178
20090194741
2009-08-06

Exhaust system having a carbon oxide catalyst

#179
20090107122
2009-04-30

Method for purification of exhaust gas from internal combustion engine

#180
20090088319
2009-04-02

Synthesis of Gold Metal Oxide Catalysts for Catalytic Oxidation of Carbon Monoxide by Vapor Deposition of Ammonia

#181
20090071331
2009-03-19

Systems and methods for reducing off-gassed ozone

#182
20090069174
2009-03-12

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

#183
20090010817
2009-01-08

Honeycomb filter

#184
20080318765
2008-12-25

NANOALLOYS IN EMISSIONS CONTROL AFTER-TREATMENT SYSTEMS

#185
20080286703
2008-11-20

Reducing sulfur gas emissions resulting from the burning of carbonaceous fuels

#186
20080280750
2008-11-13

Catalysts for treating acid and halogen gases and production methods thereof

#187
20080182746
2008-07-31

Exhaust gas-purifying catalyst

#188
20080112870
2008-05-15

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

#189
20080026937
2008-01-31

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

#190
20070275847
2007-11-29

Composition for reducing O emissions in FCC regeneration process

#191
20070204870
2007-09-06

Catalysts to reduce carbon monoxide such as in the mainstream smoke of a cigarette

#192
20070204595
2007-09-06

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

#193
20070191213
2007-08-16

Metal-containing compositions and their use as catalyst composition

#194
20060223694
2006-10-05

Perovskite catalyst system for lean burn engines

#195
20060105909
2006-05-18

Vehicle sulfur oxide trap and related method

#196
20060073960
2006-04-06

Exhaust gas purifying catalyst and process for purifying exhaust gas

#197
20060032214
2006-02-16

Thermally stable lean nox trap

#198
20060019824
2006-01-26

Exhaust gas purification catalyst

#199
20050090393
2005-04-28

Catalyst for the reduction of NO to Nwith hydrogen under NOx oxidation conditions

#200
20050089456
2005-04-28

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