ClassID:

30410

B01D2255/20792 - CPC Classification

Classification description:

Catalysts; Metals or compounds thereof; Transition metals Zinc

Recent Application in this class:
#1
20260151727
2026-06-04

POROUS METAL CYANIDE-BASED FRAMEWORK MATERIAL WITH CATION GATING EFFECT, ITS PREPARATION METHOD, AND APPLICATION IN CARBON DIOXIDE CAPTURE

#2
20260054257
2026-02-26

MONOLITHIC STRUCTURES AND METHODS OF USE THEREOF

#3
20260034512
2026-02-05

AN APPARATUS FOR CATALYTIC DECOMPOSITION OF NITROUS OXIDE

#4
20250381520
2025-12-18

ABATEMENT APPARATUS AND METHOD

#5
20250332574
2025-10-30

CATALYST SYSTEM FOR REMOVING PERFLUORINATED COMPOUNDS AND NITROUS OXIDE

#6
20250332542
2025-10-30

GAS PROCESSING APPARATUS USING CATALYST

#7
20250288975
2025-09-18

CATALYST FOR DECOMPOSING PERFLUOROCOMPOUNDS AND METHOD OF PREPARING SAME

#8
20250256259
2025-08-14

HALOGENATED ACTIVATED CARBON COMPOSITIONS AND METHODS OF MAKING AND USING SAME

#9
20250236975
2025-07-24

CO2 CONVERSION TO ETHYLENE USING Zn-Cu GAS DIFFUSION ELECTRODES

#10
20250032982
2025-01-30

METHOD FOR PROCESSING WASTE USING LOW-TEMPERATURE PLASMA AND DEVICE THEREFOR

#11
20240399308
2024-12-05

AIRFOIL CATALYTIC REACTOR FOR ATMOSPHERIC AIR TREATMENT

#12
20240390878
2024-11-28

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

#13
20240342690
2024-10-17

NEW GEOMETRY FOR DEN2O CATALYST

#14
20240316536
2024-09-26

CATALYST FOR DECOMPOSING PERFLUOROCOMPOUNDS AND METHOD OF PREPARING SAME

#15
20240269656
2024-08-15

METHOD FOR MANUFACTURING CATALYST FOR CAPTURE AND CONVERSION OF CARBON DIOXIDE

#16
20240207829
2024-06-27

CU-ZN-SSZ-13 MOLECULAR SIEVE COMPOSITE CATALYST AND PREPARATION METHOD THEREOF

#17
20240197949
2024-06-20

NEGATIVE ION BASED CONTINUOUUS DISINFECTION SYSTEM

#18
20240189805
2024-06-13

CATALYSTS AND METHODS FOR THE HYDRATION AND ABSORPTION OF CARBON DIOXIDE

#19
20240043358
2024-02-08

Purification of lower olefins

#20
20230356198
2023-11-09

Catalyst Composition Comprising Ferrite-Based Magnetic Material Adapted for Inductive Heating

#21
20230338605
2023-10-26

AN AIR PURIFICATION SYSTEM AND METHOD

#22
20230233967
2023-07-27

AIR FILTRATION MATERIAL, FILTERS COMPRISING THE SAME AND METHOD FOR MANUFACTURING THE SAME

#23
20230212406
2023-07-06

AIR PURIFYING COATING SYSTEM AND METHOD FOR MAKING SAME

#24
20230173462
2023-06-08

CATALYST FOR DECOMPOSING PERFLUORINATED COMPOUNDS AND METHOD OF MANUFACTURING THE CATALYST

#25
20230130261
2023-04-27

PLATINUM AND ZINC-CONTAINING ZEOLITE

#26
20230110753
2023-04-13

Catalyst article for exhaust system of natural gas engine

#27
20230080243
2023-03-16

METHOD FOR PROCESSING WASTE USING LOW-TEMPERATURE PLASMA AND DEVICE THEREFOR

#28
20220403276
2022-12-22

Pretreatment desulfurization method for ship fuel oil using pretreatment desulfurization agent

#29
20220331774
2022-10-20

Halogenated activated carbon compositions and methods of making and using same

#30
20220274090
2022-09-01

Halogenated activated carbon compositions and methods of making and using same

#31
20220226802
2022-07-21

Method for the photocatalytic reduction of COusing a microporous crystalline metal sulfide photocatalyst

#32
20220152592
2022-05-19

Glass fiber filter element for visible light photocatalysis and air purification and preparation method thereof

#33
20220105366
2022-04-07

MASK STRUCTURE WITH EXTERNALLY CONNECTED FILTERING DEVICE

#34
20220042440
2022-02-10

Muffler including an internal photocatalyst and a light source

#35
20220023783
2022-01-27

Nanofiber air filter medium with high adsorption performance and preparation method

#36
20210346874
2021-11-11

Zincoaluminosilicates with GME topologies and methods of making and using the same

#37
20210316281
2021-10-14

Zinc doped manganese-iron spinel catalyst material and method of making and using the same

#38
20210299641
2021-09-30

Porous ceramic structure and method of producing porous ceramic structure

#39
20210230084
2021-07-29

Methods for gas phase oxidative desulphurization of hydrocarbons using CuZnAl catalysts promoted with group VIB metals

#40
20210146339
2021-05-20

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

#41
20210113965
2021-04-22

Thermal- and photo-assisted aftertreatment of nitrogen oxides

#42
20210101112
2021-04-08

ADSORBENT COMPOSITIONS FOR CARBON MONOXIDE REMOVAL

#43
20210100924
2021-04-08

Air purification system

#44
20210069682
2021-03-11

Methods to produce zeolites with the GME topology and compositions derived therefrom

#45
20210053030
2021-02-25

Supported catalyst for organic substance decomposition and organic substance decomposition device

#46
20210030914
2021-02-04

Air purifier and automobile air conditioner with air purifier

#47
20210016259
2021-01-21

Supported catalyst for organic substance decomposition and organic substance decomposing apparatus

#48
20200406245
2020-12-31

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

#49
20200406236
2020-12-31

Catalyst for organic substance decomposition and organic substance decomposing apparatus

#50
20200391193
2020-12-17

Method for manufacturing photocatalytic filter having porous nanofiber heterostructure

#51
20200363081
2020-11-19

Photocatalytic filter and air conditioning device comprising photocatalytic filter

#52
20200324273
2020-10-15

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

#53
20200230584
2020-07-23

ALDEHYDE DECOMPOSITION CATALYST, EXHAUST GAS TREATMENT APPARATUS, AND EXHAUST GAS TREATMENT METHOD

#54
20200188887
2020-06-18

Transition metal doped alumina for improved TWC performance

#55
20200188850
2020-06-18

Process for treating the off gas from a carbon black plant to recover sulphur

#56
20200179874
2020-06-11

Catalytic combustion in low temperature, humid conditions

#57
20200149449
2020-05-14

Apparatus for purifying exhaust gas

#58
20200147592
2020-05-14

Base Metal Catalyst and Method of Using Same

#59
20200129924
2020-04-30

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

#60
20200114311
2020-04-16

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

#61
20200070130
2020-03-05

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

#62
20200055031
2020-02-20

Multi-spectral photocatalytic compounds

#63
20190366263
2019-12-05

Method and apparatus for purification and treatment of air

#64
20190291090
2019-09-26

Photocatalyst

#65
20190247781
2019-08-15

Method and installation for obtaining hydrogen

#66
20190211723
2019-07-11

Exhaust gas purification filter

#67
20190201875
2019-07-04

Exhaust gas purification catalyst and method for manufacturing exhaust gas purification catalyst

#68
20190201842
2019-07-04

A PROCESS FOR THE REMOVAL OF SILOXANES FROM LANDFILL GASES

#69
20190134617
2019-05-09

Ion-exchanged molecular sieve catalysts exhibiting reduced N2O emissions

#70
20190125917
2019-05-02

Air cleaner

#71
20190091652
2019-03-28

RHO adsorbent compositions, methods of making and using them

#72
20190023992
2019-01-24

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

#73
20190009202
2019-01-10

Multifunctional filter medium, and method and apparatus for manufacturing same

#74
20180361362
2018-12-20

GOLD CATALYST SUPPORTED IN CUO/ZNO/AI203, PRODUCTION METHOD AND USE THEREOF

#75
20180345216
2018-12-06

Fluid for carrying out pollution control in heat engines, and methods for preparing said fluids by producing a homogeneous solution

#76
20180298298
2018-10-18

Desulfurization process using a combination of a suspension bed and a fixed bed

#77
20180207311
2018-07-26

Electronic apparatus having photocatalytic filter

#78
20180169637
2018-06-21

Additives for gas phase oxidative desulfurization catalysts

#79
20180154342
2018-06-07

Zincoaluminosilicates with CHA topologies and methods of making and using the same

#80
20180126364
2018-05-10

Zeolites with the GME topology and methods of using the same

#81
20180029023
2018-02-01

Additives for gas phase oxidative desulfurization catalysts

#82
20180028971
2018-02-01

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

#83
20180028970
2018-02-01

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

#84
20180001294
2018-01-04

Method for manufacturing activated carbon

#85
20180001257
2018-01-04

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

#86
20170328250
2017-11-16

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

#87
20170284247
2017-10-05

Exhaust gas purification filter

#88
20170266642
2017-09-21

High temperature layered mixed-metal oxide materials with enhanced stability

#89
20170232380
2017-08-17

Method of development and use of catalyst-functionalized catalytic particles to increase the mass transfer rate of solvents used in acid gas cleanup

#90
20170190641
2017-07-06

Methods for gas phase oxidative desulphurization of hydrocarbons using CuZnAl catalysts promoted with group VIB metal oxides

#91
20170106333
2017-04-20

Method and apparatus for purification and treatment of air

#92
20170072381
2017-03-16

Desulphurisation material comprising copper supported on zinc oxide

#93
20160376714
2016-12-29

IProton sponge as supplement to electrolytes for photocatalytic and electrochemical Co2 reduction

#94
20160243532
2016-08-25

Methods to produce zeolites with the GME topology and compositions derived therefrom

#95
20160243531
2016-08-25

Processes for preparing zincoaluminosilicates with AEI, CHA, and GME topologies and compositions derived therefrom

#96
20160236147
2016-08-18

Oxidation catalyst for treating a natural gas emission

#97
20160236146
2016-08-18

Catalytic adsorbents obtained from municipal sludges, industrial sludges, compost and tobacco waste and process for their production

#98
20160199817
2016-07-14

Nitrous oxide decomposition catalyst

#99
20160194818
2016-07-07

Fiber suitable for packaging and storing plant produce

#100
20160166988
2016-06-16

HIGHLY ACIDIC COMPOSITIONS COMPRISING ZIRCONIUM AND SILICON OXIDES AND AN OXIDE OF AT LEAST ONE OTHER ELEMENT SELECTED FROM AMONG TITANIUM, ALUMINUM, TUNGSTEN, MOLYBDENUM, CERIUM, IRON, TIN, ZINC, AND MANGANESE

#101
20160166970
2016-06-16

Filtering Material and Use Thereof

#102
20160114308
2016-04-28

Halogenated activated carbon compositions and methods of making and using same

#103
20160068394
2016-03-10

Method and system for enhancing the mass transfer rate of a soluble gas

#104
20150353368
2015-12-10

Processes using molecular sieve SSZ-100

#105
20150353367
2015-12-10

Processes using molecular sieve SSZ-99

#106
20150352493
2015-12-10

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

#107
20150343378
2015-12-03

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

#108
20150298057
2015-10-22

VANADIA-BASED DeNOx CATALYSTS AND CATALYST SUPPORTS

#109
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

#110
20150266013
2015-09-24

Photocatalyst

#111
20150252708
2015-09-10

Zoned catalysed substrate monolith

#112
20150196875
2015-07-16

Method of increasing mass transfer rate of acid gas scrubbing solvents

#113
20150190787
2015-07-09

Selective catalytic reduction wall flow filter incorporating a vanadate

#114
20150174528
2015-06-25

APPARATUS FOR CLEANING FLUID

#115
20150165418
2015-06-18

Compositions of lean NOtrap (LNT) systems and methods of making and using same

#116
20150165416
2015-06-18

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

#117
20150151291
2015-06-04

Catalyst and method of manufacture

#118
20150128576
2015-05-14

Exhaust gas purification system and exhaust gas purification method

#119
20150104367
2015-04-16

Acyclic aza-containing ligands for use as catalytic carbon capture systems

#120
20150099090
2015-04-09

Glass, quartz or metal pile fabric

#121
20150007568
2015-01-08

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

#122
20150005160
2015-01-01

Exhaust gas purifying catalyst and method for producing same

#123
20140378296
2014-12-25

Manufacture of catalyst compositions and systems

#124
20140371478
2014-12-18

Sequestration and release of carbon dioxide

#125
20140286827
2014-09-25

Exhaust gas purifier

#126
20140245771
2014-09-04

Refrigerator and method of manufacturing metal photocatalyst filter of the refrigerator

#127
20140161701
2014-06-12

Desulphurisation material comprising copper supported on zinc oxide

#128
20140161695
2014-06-12

Diesel oxidation catalyst comprising palladium, gold and ceria

#129
20140155260
2014-06-05

Composition and process for mercury removal

#130
20140141968
2014-05-22

Photocatalyst material and method for fabricating the same

#131
20130324393
2013-12-05

Visible-light-responsive photocatalyst with environmental resistance

#132
20130298768
2013-11-14

Adsorbent for removal of ammonia from air streams

#133
20130266498
2013-10-10

Systems and methods for removing components of a gas mixture

#134
20130260987
2013-10-03

Exhaust gas cleaning catalyst

#135
20130253073
2013-09-26

Photocatalyst composition and preparation for the same

#136
20130174485
2013-07-11

Process and apparatus for reforming a high sulfur-containing liquid fuel

#137
20130109562
2013-05-02

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

#138
20130108531
2013-05-02

Process For Natural Gas Purification

#139
20130089739
2013-04-11

NANOSTRUCTURED METAL OXIDES AND MIXED METAL OXIDES, METHODS OF MAKING THESE NANOPARTICLES, AND METHODS OF THEIR USE

#140
20130065752
2013-03-14

Component having a catalytic surface, method for producing same, and use of said component

#141
20130052113
2013-02-28

METHOD AND DEVICE FOR THE PURIFICATION OF THE AIR

#142
20130042758
2013-02-21

Methods and compositions for removing carbon dioxide from a gaseous mixture

#143
20130034484
2013-02-07

Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-28

#144
20130034483
2013-02-07

Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-25

#145
20130034482
2013-02-07

REDUCTION OF OXIDES OF NITROGEN IN A GAS STREAM USING MOLECULAR SIEVE SSZ-23

#146
20130017135
2013-01-17

Gas purification using photocatalytic vortex-suspended particles

#147
20120328500
2012-12-27

HIGHLY ACIDIC COMPOSITIONS COMPRISING ZIRCONIUM AND SILICON OXIDES AND AN OXIDE OF AT LEAST ONE OTHER ELEMENT SELECTED FROM AMONG TITANIUM, ALUMINUM, TUNGSTEN, MOLYBDENUM, CERIUM, IRON, TIN, ZINC, AND MANGANESE

#148
20120315204
2012-12-13

EXHAUST PURIFICATION DEVICE AND EXHAUST PURIFICATION METHOD FOR DIESEL ENGINE

#149
20120301363
2012-11-29

MIX-TYPE CATALYST FILTER AND MANUFACTURING METHOD THEREOF

#150
20120294786
2012-11-22

Exhaust purification device and exhaust purification method for diesel engine

#151
20120289755
2012-11-15

Carbon catalyst for decomposition of hazardous substance, hazardous-substance-decomposing material, and method for decomposition of hazardous substance

#152
20120244052
2012-09-27

Flocculation agents for nanoparticle pollutants

#153
20120222559
2012-09-06

Air channel with integrated odor absorbing element

#154
20120201732
2012-08-09

Ce containing, V-free mobile denox catalyst

#155
20120180998
2012-07-19

Air conditioner that enables deodorizing using a photocatalyst

#156
20120132073
2012-05-31

Method of Making an Activated Carbon Substrate Having Metal Sulfide

#157
20120128560
2012-05-24

Process and system for syngas treatment

#158
20120111335
2012-05-10

Zinc oxide containing filter media and methods of forming the same

#159
20120107206
2012-05-03

System and method for the removal of greenhouse gases

#160
20120087838
2012-04-12

Catalyst and method of manufacture

#161
20120082606
2012-04-05

Catalyst and method of manufacture

#162
20120063981
2012-03-15

Method and apparatus for removing contaminant from fluid

#163
20120031085
2012-02-09

EXHAUST GAS PURIFYING CATALYST

#164
20110250114
2011-10-13

Vanadia-Based DeNOx Catalysts and Catalyst Supports

#165
20110236625
2011-09-29

Formed zeolite honeycomb article and fired zeolite honeycomb article

#166
20110209466
2011-09-01

CATALYST COMPOSITION AND CATALYTIC REDUCTION SYSTEM COMPRISING YTTRIUM

#167
20110151537
2011-06-23

Synthetic catalysts that separate COfrom the atmosphere and gas mixtures

#168
20110142722
2011-06-16

METHOD AND APPARATUS FOR PRODUCING SYNTHESIS GAS

#169
20110094379
2011-04-28

Film-based system and method for carbon dioxide separation

#170
20110047995
2011-03-03

CATALYST AND METHOD OF MANUFACTURE

#171
20110033370
2011-02-10

System and method for sulfur recovery

#172
20100305220
2010-12-02

Method and apparatus for producing liquid biofuel from solid biomass

#173
20100247407
2010-09-30

HIGHLY ACIDIC COMPOSITIONS COMPRISING ZIRCONIUM AND SILICON OXIDES AND AN OXIDE OF AT LEAST ONE OTHER ELEMENT SELECTED FROM AMONG TITANIUM, ALUMINUM, TUNGSTEN, MOLYBDENUM, CERIUM, IRON, TIN, ZINC, AND MANGANESE

#174
20100152038
2010-06-17

CATALYTIC ADSORBENTS OBTAINED FROM MUNICIPAL SLUDGES, INDUSTRIAL SLUDGES, COMPOST AND TOBACCO WASTE AND PROCESS FOR THEIR PRODUCTION

#175
20070221582
2007-09-27

Nebulizing treatment method

#176
20070175798
2007-08-02

Methods and compositions for desulfurization of hydrocarbon fuels

#177
20070113736
2007-05-24

CATALYTIC ADSORBENTS OBTAINED FROM MUNICIPAL SLUDGES, INDUSTRIAL SLUDGES, COMPOST AND TOBACCO WASTE AND PROCESS FOR THEIR PRODUCTION

#178
20060140834
2006-06-29

Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-71

#179
20050059548
2005-03-17

Desulfurization and novel sorbents for same

#180
16406353
2020-03-24

Modified ferrite catalysts for direct no decomposition and a method of making and using a catalyst

#181
15155651
2017-05-16

Bimetal oxysulfide solid-solution catalyst and manufacturing method thereof, method for carbon dioxide reduction, method for heavy metal reduction, and method for hydrogenation of organic compounds