Patents-Review.com
ClassID:

30398 ⎘

B01D2255/207 - CPC Classification

Classification description:

Catalysts; Metals or compounds thereof Transition metals

Sub-classes:
Recent Application in this class:
#1
20250387753
2025-12-25

METHOD AND SYSTEM FOR GAS TREATMENT AND PURIFICATION USING MODIFIED ADVANCED OXIDATION TECHNOLOGY

 #2
20250038228
2025-01-30

MIXED MEDIA DESULFURIZATION SYSTEMS AND FUEL CELL SYSTEMS INCLUDING THE SAME

 #3
20240293805
2024-09-05

INDUCTIVELY HEATED NOX ADSORBER

 #4
20240024816
2024-01-25

EXHAUST GAS PURIFICATION CATALYST

 #5
20230249131
2023-08-10

METHOD FOR REDUCING NITROGEN DIOXIDE IN EXHAUST GAS OF STATIONARY SOURCE WITHOUT INJECTION OF REDUCING AGENT

 #6
20230219069
2023-07-13

Metal oxide-based SCR catalyst composition

 #7
20220168691
2022-06-02

CHIMNEY STARTER AND CATALYST UNIT FOR A CHIMNEY STARTER

 #8
20210269379
2021-09-02

PROCESS FOR SULFUR REMOVAL FROM REFINERY OFF GAS

 #9
20210060539
2021-03-04

Method for preparing molecular sieve SCR catalyst, and catalyst prepared therethrough

 #10
20210008533
2021-01-14

NANO-SIZED FUNCTIONAL BINDER

 #11
20200017367
2020-01-16

Thin-film-like composite of nanocrystal

 #12
20200001275
2020-01-02

Visible light-activated photocatalytic coating composition and air purification filter

 #13
20190358616
2019-11-28

Oxidation catalyst for internal combustion engine exhaust gas treatment

 #14
20190255484
2019-08-22

Method for cleaning viscose production off-gases and catalysts for use in the method

 #15
20190241270
2019-08-08

Catalytic ozone removal

 #16
20190185175
2019-06-20

Contaminant removal for catalytic fuel tank inerting system

 #17
20190143270
2019-05-16

Base metal catalyst for treatment of ozone and volatile organic compounds present in air supply

 #18
20190126248
2019-05-02

EXHAUST GAS PURIFYING CATALYST

 #19
20180319723
2018-11-08

Process for sulfur removal from refinery off gas

 #20
20180236438
2018-08-23

Visible light-activated photocatalytic coating composition and air purification filter

 #21
20180229227
2018-08-16

CATALYTIC SYSTEM FOR THE PRODUCTION CARBON MONOXIDE FROM CARBON DIOXIDE INCLUDING IRIDIUM (IR) PHOTOSENSITIZER AND TIO2/RE(I) COMPLEX CATALYST

 #22
20180195425
2018-07-12

Nitrous oxide removal catalysts for exhaust systems

 #23
20180104677
2018-04-19

Oxidation catalyst for internal combustion engine exhaust gas treatment

 #24
20180050804
2018-02-22

Catalytic ozone removal

 #25
20180043335
2018-02-15

NOadsorber catalyst, methods and systems

 #26
20180008973
2018-01-11

Nano-sized functional binder

 #27
20170335213
2017-11-23

Method for removing hydrogen sulfide from an acid gas

 #28
20170333842
2017-11-23

Base metal catalyst for treatment of ozone and volatile organic compounds present in air supply

 #29
20170266644
2017-09-21

Exhaust gas purification catalyst

 #30
20170128881
2017-05-11

DIESEL OXIDATION CATALYST WITH MINIMAL PLATINUM GROUP METAL CONTENT

 #31
20170100709
2017-04-13

Exhaust gas-purifying catalyst

 #32
20170021340
2017-01-26

Use of mixed oxides as oxygen storage components

 #33
20160361687
2016-12-15

PROCESS FOR SULFUR REMOVAL FROM REFINERY OFF GAS

 #34
20160354766
2016-12-08

Catalyst for synergistic control of oxynitride and mercury and method for preparing the same

 #35
20160296889
2016-10-13

Catalyst for the oxidation of sulfur compounds

 #36
20160288094
2016-10-06

SCR catalyst

 #37
20160288052
2016-10-06

Exhaust gas purifying catalyst

 #38
20160236186
2016-08-18

SYSTEM AND METHOD FOR CATALYST REGENERATION

 #39
20160236147
2016-08-18

Oxidation catalyst for treating a natural gas emission

 #40
20160184804
2016-06-30

Exhaust gas purifying catalyst and production method thereof

 #41
20160167024
2016-06-16

Synergized PGM Catalyst Systems Including Rhodium for TWC Application

 #42
20160166986
2016-06-16

METHOD FOR PURIFICATION OF OFF-GAS AND DEVICE FOR THE SAME

 #43
20160166970
2016-06-16

Filtering Material and Use Thereof

 #44
20160151764
2016-06-02

Exhaust gas purifying catalyst

 #45
20160136621
2016-05-19

Bimetallic synergized PGM catalyst systems for TWC application

 #46
20160136620
2016-05-19

Zero PGM catalyst including Cu—Co—Mn ternary spinel for TWC applications

 #47
20160001230
2016-01-07

Exhaust gas treating catalyst and exhaust gas purification apparatus using the same

 #48
20160001228
2016-01-07

Perovskite with an ovlerlayer SCR component as an ammonia oxidation catalyst and a system for exhaust emission control on diesel engines

 #49
20150352533
2015-12-10

Base metal activated rhodium coatings for catalysts in three-way catalyst (TWC) applications

 #50
20150352532
2015-12-10

Three-way catalyst systems including Fe-activated Rh and Ba-Pd material compositions

 #51
20150352531
2015-12-10

Rhodium-iron catalysts

 #52
20150352494
2015-12-10

Three-way catalyst systems including Nb—Zr—Al-mixed oxide supports, Ba—Pd, and Rh—Fe material compositions

 #53
20150343376
2015-12-03

Elimination of ammonia and lower alkanes and/or hydrogen from waste gas streams in industrial plants

 #54
20150265967
2015-09-24

Gaseous Mercury Oxidation and Capture

 #55
20150238944
2015-08-27

Zeolite-based SCR catalysts and their use in diesel engine emission treatment

 #56
20150202604
2015-07-23

Oxidation catalyst for internal combustion engine exhaust gas treatment

 #57
20150182912
2015-07-02

Selective catalytic reduction processes using doped cerias

 #58
20150128576
2015-05-14

Exhaust gas purification system and exhaust gas purification method

 #59
20150128566
2015-05-14

Exhaust gas purification system and method for purifying exhaust gas

 #60
20150105247
2015-04-16

Methods and processes of coating zero-PGM catalysts including with Cu, Mn, Fe for TWC applications

 #61
20150098881
2015-04-09

Process for reducing the nitrogen oxide off-gas concentration in a nitric acid plant during shut-down and/or start-up, and nitric acid plant suitable therefor

 #62
20150090932
2015-04-02

Oxygen absorbing agent composition

 #63
20150005158
2015-01-01

Optimization of washcoat adhesion of zero-PGM catalyst on metallic substrates

 #64
20140335005
2014-11-13

Method of removing sulfur oxides and nitrogen oxides in the flue gas

 #65
20140274678
2014-09-18

Coating process of Zero-PGM catalysts and methods thereof

 #66
20140241950
2014-08-28

Exhaust system for a lean burn IC engine

 #67
20140147358
2014-05-29

Oxidation catalyst and method for its preparation

 #68
20140116358
2014-05-01

Method of treating a carbon dioxide rich flue gas and a flue gas treatment system

 #69
20140044629
2014-02-13

Method for treating a gas containing nitrogen oxides (NO) using a composition comprising zirconium, cerium and niobium as a catalyst

 #70
20130189172
2013-07-25

Catalyst for removing nitrogen oxides from the exhaust gas of diesel engines

 #71
20130142714
2013-06-06

Diesel oxidation catalysts, systems and methods of treatment

 #72
20130089481
2013-04-11

Oxidation catalyst for internal combustion engine exhaust gas treatment

 #73
20120308460
2012-12-06

Nanocomposite particle and process of preparing the same

 #74
20120308459
2012-12-06

Catalysts possessing an improved resistance to poisoning

 #75
20120258032
2012-10-11

CATALYZED FILTER FOR TREATING EXHAUST GAS

 #76
20120152845
2012-06-21

POROUS SILICA-METAL ORGANIC COMPOSITE ADSORBENTS AND METHODS OF MAKING AND USING THE SAME

 #77
20120131911
2012-05-31

Exhaust gas purifying catalyst and method for manufacturing the same

 #78
20120087851
2012-04-12

P/S-TM-comprising zeolites for decomposition of NO

 #79
20120087838
2012-04-12

Catalyst and method of manufacture

 #80
20120082606
2012-04-05

Catalyst and method of manufacture

 #81
20120049110
2012-03-01

Process For Producing A Carbon-Comprising Composite

 #82
20120039759
2012-02-16

Zeolite-based SCR catalysts and their use in diesel engine emission treatment

 #83
20120014841
2012-01-19

Exhaust gas treating catalyst and exhaust gas purification apparatus using the same

 #84
20110287928
2011-11-24

Low level noble metal-supporting three-way catalyst

 #85
20110217215
2011-09-08

Substrate having porous sheet(s) for treating exhaust gases of combustion engines

 #86
20110179777
2011-07-28

Exhaust system for a lean burn ic engine

 #87
20110077437
2011-03-31

Process for sulfur removal from refinery off gas

 #88
20100223919
2010-09-09

NOx reduction catalyst and exhaust system using the same

 #89
20100099552
2010-04-22

Nanocomposite particle and process of preparing the same

 #90
20090325787
2009-12-31

Nanocomposite particle and process of preparing the same

 #91
20090324472
2009-12-31

Nanocomposite particle and process of preparing the same

 #92
20070277507
2007-12-06

Enhanced hybrid de-NOx system

 #93
20070221582
2007-09-27

Nebulizing treatment method

 #94
20070009400
2007-01-11

Porous sheet and substrate having porous sheet(s) for treating exhaust gases of combustion engines

 #95
20060140835
2006-06-29

Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-70

 #96
20060115401
2006-06-01

Reduction of oxides of nitrogen in a gas stream using boron-containing molecular sieve CHA