B01D2255/204 - CPC Classification Index

#1

20250001405

2025-01-02

CATALYST FOR EXHAUST GAS PURIFICATION AND EXHAUST GAS PURIFICATION METHOD USING SAME

#2

20240316496

2024-09-26

NOX ADSORBER DIESEL OXIDATION CATALYST

#3

20220119324

2022-04-21

Processes for converting benzene and/or toluene via methylation

#4

20200179908

2020-06-11

PROMOTER METAL CONTAINING PEROVSKITE-TYPE COMPOUND FOR GASOLINE EXHAUST GAS APPLICATIONS

#5

20200129924

2020-04-30

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

#6

20200114311

2020-04-16

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

#7

20200030745

2020-01-30

CATALYST FOR REDUCTION OF NITROGEN OXIDES

#8

20200001275

2020-01-02

Visible light-activated photocatalytic coating composition and air purification filter

#9

20190358614

2019-11-28

Copper containing MOZ zeolite for selective NOx reduction catalysis

#10

20190314791

2019-10-17

Diesel oxidizing catalytic converter

#11

20190255485

2019-08-22

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

#12

20190224657

2019-07-25

Zeolite catalyst containing metals

#13

20190211723

2019-07-11

Exhaust gas purification filter

#14

20190178128

2019-06-13

Titania-doped zirconia as platinum group metal support in catalysts for treatment of combustion engine exhausts streams

#15

20190162095

2019-05-30

Three-zone diesel oxidation catlayst

#16

20190083931

2019-03-21

Exhaust gas purification catalyst

#17

20180236438

2018-08-23

Visible light-activated photocatalytic coating composition and air purification filter

#18

20180221855

2018-08-09

Catalyst for purifying the exhaust gases of diesel engines

#19

20180178198

2018-06-28

Layered automotive catalyst composites

#20

20180127283

2018-05-10

Zeolite SSZ-52x

#21

20180028971

2018-02-01

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

#22

20180028970

2018-02-01

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

#23

20180021757

2018-01-25

Rhodium-containing catalysts for automotive emissions treatment

#24

20180021756

2018-01-25

Platinum group metal (PGM) catalysts for automotive emissions treatment

#25

20180021725

2018-01-25

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

#26

20180002183

2018-01-04

Zeolite SSZ-52x

#27

20170284251

2017-10-05

Titania-doped zirconia as platinum group metal support in catalysts for treatment of combustion engine exhausts streams

#28

20170284247

2017-10-05

Exhaust gas purification filter

#29

20170274359

2017-09-28

Carrier for exhaust gas purification catalyst and exhaust gas purification catalyst

#30

20170274357

2017-09-28

Porous ceramic structural body

#31

20170266644

2017-09-21

Exhaust gas purification catalyst

#32

20170232387

2017-08-17

Perovskite based oxygen storage materials

#33

20170218809

2017-08-03

Catalyst system for reducing nitrogen oxides

#34

20170197179

2017-07-13

Catalyst for internal combustion engine exhaust gas purification, and system for same

#35

20170182481

2017-06-29

Exhaust gas purification catalyst and production method thereof

#36

20170120221

2017-05-04

Carrier for exhaust gas purification catalyst

#37

20170100709

2017-04-13

Exhaust gas-purifying catalyst

#38

20170087512

2017-03-30

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

#39

20170036153

2017-02-09

Particulate filter provided with catalyst and method for manufacturing said filter

#40

20160184803

2016-06-30

Catalyst for nitrogen oxide removal

#41

20160129430

2016-05-12

OXIDATION CATALYST FOR EXHAUST GAS PURIFICATION, METHOD FOR PRODUCING THE SAME, AND EXHAUST GAS PURIFICATION METHOD USING THE SAME

#42

20160123920

2016-05-05

Nitrogen oxide decomposition material and use thereof

#43

20160001221

2016-01-07

Composite oxygen transport membrane

#44

20150375205

2015-12-31

NOx storage reduction catalyst for purifying exhaust gas and exhaust gas purification method using said catalyst

#45

20150352493

2015-12-10

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

#46

20150343378

2015-12-03

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

#47

20150336085

2015-11-26

Catalyst for reducing nitrogen oxides

#48

20150314237

2015-11-05

Exhaust purification system of internal combustion engine

#49

20150298059

2015-10-22

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

#50

20150266014

2015-09-24

Integrated LNT-TWC catalyst

#51

20150265968

2015-09-24

METHOD FOR PURIFYING EXHAUST GAS

#52

20150240752

2015-08-27

Exhaust system having NO catalyst in EGR circuit

#53

20150238902

2015-08-27

Exhaust gas purification system and exhaust gas purification method

#54

20150224478

2015-08-13

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

#55

20150217275

2015-08-06

Exhaust gas purification catalyst, exhaust gas purification monolith catalyst, and method for producing exhaust gas purification catalyst

#56

20150139874

2015-05-21

Lean NOx trap diesel oxidation catalyst with hydrocarbon storage function

#57

20150078989

2015-03-19

Zeolite catalyst containing metals

#58

20150045212

2015-02-12

Exhaust gas purification catalyst

#59

20140250872

2014-09-11

Exhaust gas purifying catalyst and method for producing same

#60

20140241950

2014-08-28

Exhaust system for a lean burn IC engine

#61

20140235431

2014-08-21

Exhaust gas-purifying catalyst

#62

20140219878

2014-08-07

Mixed phase oxide catalysts

#63

20140154175

2014-06-05

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

#64

20140147359

2014-05-29

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

#65

20140147341

2014-05-29

Layered composite oxide, oxidation catalyst, and diesel particulate filter

#66

20140140911

2014-05-22

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

#67

20140065043

2014-03-06

Oxidation catalyst for exhaust gas purification, method for producing the same, and exhaust gas purification method using the same

#68

20140018235

2014-01-16

Exhaust gas purifying catalyst, exhaust gas purifying monolith catalyst, and method for manufacturing exhaust gas purifying catalyst

#69

20130336865

2013-12-19

NOabsorber catalyst

#70

20130236380

2013-09-12

Palladium solid solution catayst and methods of making

#71

20130189172

2013-07-25

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

#72

20130171036

2013-07-04

Exhaust gas purification filter, and method for producing same

#73

20130142727

2013-06-06

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

#74

20130136659

2013-05-30

Exhaust purification system of internal combustion engine

#75

20130065754

2013-03-14

EXHAUST GAS PURIFICATION CATALYST

#76

20130034468

2013-02-07

Exhaust purification system of internal combustion engine

#77

20130022512

2013-01-24

Exhaust purification system of internal combustion engine

#78

20130000284

2013-01-03

Exhaust purification system of internal combustion engine

#79

20120189503

2012-07-26

Exhaust-gas purification catalytic system

#80

20120180464

2012-07-19

Three way conversion catalyst with alumina-free rhodium layer

#81

20120159935

2012-06-28

Perovskite-based catalysts, catalyst combinations and methods of making and using the same

#82

20120156379

2012-06-21

Method for producing alkali and alkaline earth alloys and use of the alkali and alkaline earth alloys

#83

20120098276

2012-04-26

Dry 3-way catalytic reduction of gas turbine NO

#84

20120088655

2012-04-12

Exhaust gas-purifying catalyst, powdery material, and method of manufacturing exhaust gas-purifying catalyst

#85

20120087838

2012-04-12

Catalyst and method of manufacture

#86

20120071318

2012-03-22

Exhaust gas-purifying catalyst

#87

20120060472

2012-03-15

Catalyst materials for NOoxidation in an exhaust aftertreatment system that uses passive ammonia SCR

#88

20120047874

2012-03-01

Bi-functional catalyst materials for lean exhaust NOreduction

#89

20120042631

2012-02-23

CATALYST MATERIALS FOR AMMONIA OXIDATION IN LEAN-BURN ENGINE EXHAUST

#90

20120023915

2012-02-02

NOx storage materials and traps resistant to thermal aging

#91

20110271658

2011-11-10

Nitrogen oxide storage catalytic converter for use in a motor vehicle in a close-coupled position

#92

20110223071

2011-09-15

Apparatus for purifying and neutralizing toxic gases

#93

20110207601

2011-08-25

Exhaust gas-purifying catalyst

#94

20110200504

2011-08-18

EXHAUST GAS PURIFYING CATALYST AND METHOD FOR PURIFYING EXHAUST GAS USING THE CATALYST

#95

20110179777

2011-07-28

Exhaust system for a lean burn ic engine

#96

20110176979

2011-07-21

PLATINUM GROUP METAL-FREE CATALYSTS FOR REDUCING THE IGNITION TEMPERATURE OF PARTICULATES ON A DIESEL PARTICULATE FILTER

#97

20110154807

2011-06-30

NOx TRAP

#98

20110126528

2011-06-02

Exhaust gas purifying device

#99

20110113757

2011-05-19

Exhaust purification device of internal combustion engine

#100

20110079001

2011-04-07

EXHAUST PURIFYING DEVICE OF INTERNAL COMBUSTION ENGINE

#101

20110076212

2011-03-31

Methods and systems for oxidizing nitric oxide in a gas stream

#102

20110070139

2011-03-24

Catalyst combinations and methods and systems for oxidizing nitric oxide in a gas stream

#103

20110041486

2011-02-24

Apparatus of catalyst for purifying exhaust gas and method for purifying exhaust gas

#104

20110041479

2011-02-24

Exhaust gas purification method and exhaust gas purification system

#105

20110040136

2011-02-17

Elimination of chlorine compounds from hydrocarbon cuts

#106

20110030354

2011-02-10

PARTICULATE COMBUSTION CATALYST, PARTICULATE FILTER AND EXHAUST GAS PURIFYING APPARATUS

#107

20100316545

2010-12-16

Platinum group metal-free catalysts for reducing the ignition temperature of particulates on a diesel particulate filter

#108

20100313552

2010-12-16

EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

#109

20100311575

2010-12-09

Exhaust gas purifying catalyst

#110

20100298132

2010-11-25

EXHAUST GAS-PURIFYING CATALYST

#111

20100287914

2010-11-18

Exhaust purification device of internal combustion engine

#112

20100266471

2010-10-21

Exhaust aftertreatment system and method of treating exhaust gas

#113

20100242438

2010-09-30

Exhaust gas treatment system including a four-way catalyst and urea SCR catalyst and method of using the same

#114

20100239479

2010-09-23

Process For Removing Toxic Metals From A Fluid Stream

#115

20100234214

2010-09-16

Mercury adsorbents compatible as cement additives

#116

20100233052

2010-09-16

Mercury adsorbents compatible as cement additives

#117

20100227759

2010-09-09

Catalyst Composition

#118

20100200392

2010-08-12

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

#119

20100146937

2010-06-17

Exhaust purification device of internal combustion engine

#120

20100137132

2010-06-03

Sulfur storage catalyst

#121

20100115923

2010-05-13

Exhaust purification device of an internal combustion engine

#122

20100101220

2010-04-29

Exhaust gas purifying catalyst

#123

20100101212

2010-04-29

Exhaust gas purifying method

#124

20100098903

2010-04-22

Honeycomb structure

#125

20100087314

2010-04-08

Exhaust gas-purifying catalyst

#126

20100086458

2010-04-08

Method and architecture for oxidizing nitric oxide in exhaust gas from hydrocarbon fuel source with a fuel lean combustion mixture

#127

20100081569

2010-04-01

COATING MATERIAL HAVING CATALYTIC ACTIVITY AND USE OF SAID COATING MATERIAL

#128

20100071347

2010-03-25

Exhaust purification device of an internal combustion engine

#129

20100061900

2010-03-11

Exhaust-gas converting filter and production process for the same

#130

20100056367

2010-03-04

Exhaust gas purifying catalyst

#131

20100048383

2010-02-25

Close coupled catalyst for purification of exhaust gas and the preparation thereof

#132

20100031635

2010-02-11

Exhaust gas purification apparatus for internal combustion engine

#133

20090320457

2009-12-31

NOx adsorber catalyst with superior low temperature performance

#134

20090304566

2009-12-10

Ammonia SCR catalyst and method of using the catalyst

#135

20090304564

2009-12-10

NOx storage materials and traps resistant to thermal aging

#136

20090297416

2009-12-03

Alumina-based nitrogen oxide (NOx) trapping compositions and treatment of vehicular exhaust gases therewith

#137

20090291839

2009-11-26

HONEYCOMB STRUCTURE

#138

20090291255

2009-11-26

HONEYCOMB STRUCTURE

#139

20090288401

2009-11-26

Composite oxide for exhaust gas purifying catalyst and exhaust gas purifying catalyst, and diesel exhaust gas purifying filter

#140

20090285736

2009-11-19

Catalytic Soot Filter and Use Thereof in Treatment of Lean Exhaust Gases

#141

20090284013

2009-11-19

Dry 3-way catalytic reduction of gas turbine NO

#142

20090263303

2009-10-22

Purification Device and Method for Purifying a Fluid Stream

#143

20090247403

2009-10-01

Honeycomb structure

#144

20090246451

2009-10-01

HONEYCOMB STRUCTURE

#145

20090246096

2009-10-01

Honeycomb structure and exhaust gas treatment apparatus

#146

20090211445

2009-08-27

AMORPHOUS INFINITE COORDINATION POLYMER MICROPARTICLES AND USE FOR HYDROGEN STORAGE

#147

20090209408

2009-08-20

Exhaust Gas-Purifying Catalyst

#148

20090205324

2009-08-20

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

#149

20090173063

2009-07-09

Mitigation of Particulates and NOx in Engine Exhaust

#150

20090151331

2009-06-18

Exhaust purification device of internal combustion engine

#151

20090149321

2009-06-11

INORGANIC OXIDE AND CATALYST FOR PURIFICATION OF EXHAUST GAS OBTAINED BY USING THE SAME

#152

20090145113

2009-06-11

Exhaust purification device of internal combustion engine

#153

20090099013

2009-04-16

INORGANIC OXIDE AND CATALYST FOR PURIFICATION OF EXHAUST GAS OBTAINED BY USING THE SAME

#154

20090099005

2009-04-16

Exhaust gas purifying catalyst, method for recovering exhaust gas purifying catalyst, and catalyst system for exhaust gas purification

#155

20090098333

2009-04-16

HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING THE HONEYCOMB STRUCTURE

#156

20090069174

2009-03-12

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

#157

20090062117

2009-03-05

Nitrogen oxide storage material and nitrogen oxide storage catalyst produced therefrom

#158

20090048093

2009-02-19

CARBON-BASED MATERIAL COMBUSTION CATALYST, MANUFACTURING METHOD OF THE SAME, CATALYST CARRIER, AND MANUFACTURING METHOD OF THE SAME

#159

20090036300

2009-02-05

Exhaust gas-purifying catalyst

#160

20090010817

2009-01-08

Honeycomb filter

#161

20080318770

2008-12-25

Exhaust Gas-Purifying Catalyst

#162

20080318765

2008-12-25

NANOALLOYS IN EMISSIONS CONTROL AFTER-TREATMENT SYSTEMS

#163

20080280750

2008-11-13

Catalysts for treating acid and halogen gases and production methods thereof

#164

20080226524

2008-09-18

Platinum group metal-free catalysts for reducing the ignition temperature of particulates on a diesel particulate filter

#165

20080226514

2008-09-18

Exhaust gas treatment catalyst

#166

20080187714

2008-08-07

Exhaust gas purifying catalyst and manufacturing method thereof

#167

20080182746

2008-07-31

Exhaust gas-purifying catalyst

#168

20080168763

2008-07-17

Optimized rhodium usage in LNT SCR system

#169

20080134888

2008-06-12

Mercury adsorbents compatible as cement additives

#170

20080120970

2008-05-29

NOx Storage Materials and Traps Resistant to Thermal Aging

#171

20080044330

2008-02-21

Layered catalyst composite

#172

20080038172

2008-02-14

Phosgard, a new way to improve poison resistance in three-way catalyst applications

#173

20070269353

2007-11-22

Emission treatment system with NSR and SCR catalysts

#174

20070196245

2007-08-23

DIESEL PARTICULATE FILTER

#175

20070110650

2007-05-17

Catalyst arrangement and method of purifying the exhaust gas of internal combustion engines operated under lean conditions

#176

20070104950

2007-05-10

Inorganic oxide, exhaust gas purifying catalyst carrier, and exhaust gas purifying catalyst

#177

20070077190

2007-04-05

Porous honeycomb structure and exhaust gas cleanup device using the same

#178

20070027031

2007-02-01

Catalyst material comprising transition metal oxide

#179

20070014705

2007-01-18

High phosphorous poisoning resistant catalysts for treating automobile exhaust

#180

20060225817

2006-10-12

Gas sorbents on the basis of intermetallic compounds and a method for producing the same

#181

20060168949

2006-08-03

Alumina-based lean NOx trap system and method of use in dual-mode HCCI engines

#182

20060168948

2006-08-03

Alumina-based lean NOx trap system and method of use

#183

20060154817

2006-07-13

Substrate for exhaust-gas purifying filter catalyst

#184

20060148644

2006-07-06

Exhaust gas control catalyst and manufacturing method thereof

#185

20060140835

2006-06-29

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

#186

20060140834

2006-06-29

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

#187

20060133969

2006-06-22

Exhaust system for a lean burn internal combustion engine

#188

20060120936

2006-06-08

Platinum group metal-free catalysts for reducing the ignition temperature of particulates on a diesel particulate filter

#189

20060100098

2006-05-11

Lean NOtrap with PGM zoned axially

#190

20060032214

2006-02-16

Thermally stable lean nox trap

#191

20060010854

2006-01-19

Exhaust gas clarifying device for internal combustion engine

#192

20050261127

2005-11-24

Catalyst carrier and catalyst body

#193

20050232826

2005-10-20

Exhaust treatment devices

#194

20050227867

2005-10-13

Exhaust gas treatment catalyst

#195

20050170954

2005-08-04

Exhaust gas cleaning catalyst

#196

20050164879

2005-07-28

Layered SOx tolerant NOx trap catalysts and methods of making and using the same

#197

20050153836

2005-07-14

Purification catalyst for exhaust gas, production method therefor, and purification catalyst device for exhaust gas

#198

20050148463

2005-07-07

Minimization of purge NOrelease from NOtraps by optimizing the oxygen storage capacity

#199

20050129601

2005-06-16

Emissions treatment system with NSR and SCR catalysts

#200

20050049143

2005-03-03

Exhaust gas treatment catalyst and exhaust gas treatment method

#201

20050016164

2005-01-27

Exhaust line for an internal combustion engine