ClassID:

30421

B01D2255/50 - page 4 - CPC Classification

Classification description:

Catalysts Zeolites

Recent Application in this class:
#901
20110064632
2011-03-17

Staged Catalyst System and Method of Using the Same

#902
20110056187
2011-03-10

METHOD FOR DECREASING NITROGEN OXIDES IN HYDROCARBON-CONTAINING EXHAUST GASES USING AN SCR CATALYST BASED ON A MOLECULAR SIEVE

#903
20110052462
2011-03-03

FILTERS FOR REMOVAL OF VOLATILE SILOXANES AND LIFETIME EXTENSION OF PHOTOCATALYTIC DEVICES

#904
20110052452
2011-03-03

NOreduction device for diesel vehicles

#905
20110047989
2011-03-03

APPARATUS FOR AFTER-TREATMENT OF EXHAUST FROM DIESEL ENGINE

#906
20110044873
2011-02-24

Fabrication method of zeolite honeycomb type catalyst for reducing nitrogen oxide

#907
20110044871
2011-02-24

Coating composition for diesel oxidation catalysts

#908
20110041479
2011-02-24

Exhaust gas purification method and exhaust gas purification system

#909
20110039689
2011-02-17

SHAPED CATALYST BODY

#910
20110020204
2011-01-27

Chabazite zeolite catalysts having low silica to alumina ratios

#911
20110011068
2011-01-20

Exhaust gas treatment system

#912
20110011067
2011-01-20

Ash filter, exhaust gas treatment system incorporating the same and method of using the same

#913
20110000189
2011-01-06

DeNox of diesel engine exhaust gases using a temperature-controlled precatalyst for providing NOin accordance with the requirements

#914
20100316547
2010-12-16

Catalysts for lean burn engines

#915
20100310440
2010-12-09

PROCESS FOR THE DIRECT SYNTHESIS OF Cu CONTAINING SILICOALUMINOPHOSPHATE (Cu-SAPO-34)

#916
20100307133
2010-12-09

EXHAUST GAS CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE, AND METHOD OF CONTROLLING THE SAME

#917
20100304957
2010-12-02

Zeolite-based honeycomb body

#918
20100303699
2010-12-02

Method of removing NO from waste gas

#919
20100296992
2010-11-25

Honeycomb Catalyst And Catalytic Reduction Method

#920
20100290963
2010-11-18

TRANSITION METAL / ZEOLITE SCR CATALYSTS

#921
20100282189
2010-11-11

Exhaust gas cleaner

#922
20100281851
2010-11-11

Exhaust gas emissions reactor and method of treating exhaust gas

#923
20100276337
2010-11-04

Ferrierite composition for reducing NO emissions during fluid catalytic cracking

#924
20100267548
2010-10-21

Small pore molecular sieve supported copper catalysts durable against lean/rich aging for the reduction of nitrogen oxides

#925
20100266471
2010-10-21

Exhaust aftertreatment system and method of treating exhaust gas

#926
20100263844
2010-10-21

Heat exchange system

#927
20100257845
2010-10-14

Exhaust purification device for internal combustion engine

#928
20100254862
2010-10-07

Selective reduction catalyst

#929
20100247409
2010-09-30

Non-zeolite base metal SCR catalyst

#930
20100247396
2010-09-30

Selective Catalytic Reduction Filter and Method of Using Same

#931
20100242864
2010-09-30

Exhaust gas purification system and exhaust gas purification method

#932
20100242440
2010-09-30

Apparatus, system, and method for estimating an NOx conversion efficiency of a selective catalytic reduction catalyst

#933
20100242424
2010-09-30

HONEYCOMB FILTER

#934
20100240525
2010-09-23

Zero platinum group metal catalysts

#935
20100239478
2010-09-23

Filter

#936
20100236224
2010-09-23

Emissions treatment system with lean NOx trap

#937
20100229542
2010-09-16

TEXTURIZED PURIFICATION STRUCTURE INCORPORATING AN ELECTROCHEMICAL CATALYST SYSTEM

#938
20100229533
2010-09-16

Perovskite-type compounds for use in lean NOtraps

#939
20100224142
2010-09-09

Method of exhaust cleaning for internal combustion engine and exhaust cleaner

#940
20100223919
2010-09-09

NOx reduction catalyst and exhaust system using the same

#941
20100221165
2010-09-02

OFF-GAS CATALYST FOR HYDROCHLORIC ACID-CONTAINING OFF-GASES

#942
20100209327
2010-08-19

Structured SCR catalyst for the reduction of nitrogen oxides in the exhaust gas from lean-burn engines using ammonia as reducing agent

#943
20100205940
2010-08-19

EXHAUST EMISSION CONTROL SYSTEM OF INTERNAL COMBUSTION ENGINE AND EXHAUST EMISSION CONTROL METHOD

#944
20100184587
2010-07-22

Palladium-gold catalyst synthesis

#945
20100172828
2010-07-08

Metal Doped Zeolite and Process for its Preparation

#946
20100172814
2010-07-08

Zeolite catalyst with improved NOx reduction in SCR

#947
20100166628
2010-07-01

CATALYST FOR REDUCING NITROGEN-CONTAINING POLLUTANTS FROM THE EXHAUST GASES OF DIESEL ENGINES

#948
20100150790
2010-06-17

Catalyzing Lean NOx Filter and Method of Using Same

#949
20100143227
2010-06-10

MIXED CATALYST FOR NOx REDUCTION AND METHODS OF MANUFACTURE THEREOF

#950
20100143224
2010-06-10

Iron-containing aluminosilicate zeolites and methods of making and using same

#951
20100143223
2010-06-10

Denitrification Catalyst, Honeycomb Structure Type Denitrification Catalyst, and Method of Denitrification with the Same

#952
20100115926
2010-05-13

Method of controlling NOx purification system and NOx purification system

#953
20100115919
2010-05-13

Exhaust emission control device for internal combustion engine and performance diagnosis method for NOx adsorbent

#954
20100111796
2010-05-06

Integrated SCR and AMOx catalyst systems

#955
20100111791
2010-05-06

Bimetallic catalysts for selective ammonia oxidation

#956
20100101421
2010-04-29

Exhaust-gas converting apparatus

#957
20100101221
2010-04-29

CATALYSTS, SYSTEMS, AND METHODS FOR REDUCING NOx IN AN EXHAUST GAS

#958
20100101220
2010-04-29

Exhaust gas purifying catalyst

#959
20100101212
2010-04-29

Exhaust gas purifying method

#960
20100092362
2010-04-15

High silica chabazite for selective catalytic reduction, methods of making and using same

#961
20100092361
2010-04-15

Microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same

#962
20100092358
2010-04-15

Catalytically coated diesel particle filter, process for producing it and its use

#963
20100086459
2010-04-08

Impurity removing apparatus and method of operating the same

#964
20100077739
2010-04-01

Exhaust system implementing dual stage SCR

#965
20100077738
2010-04-01

System for reducing NOx in exhaust

#966
20100077737
2010-04-01

System for reducing NOx in exhaust

#967
20100075834
2010-03-25

Method for producing metal-doped zeolites and use thereof for the catalytic conversion of nitrogen oxides

#968
20100058739
2010-03-11

EXHAUST EMISSION PURIFICATION CATALYST AND ENGINE CONTROLLER

#969
20100055386
2010-03-04

HONEYCOMB STRUCTURE

#970
20100050616
2010-03-04

EXHAUST AFTERTREATMENT SYSTEM

#971
20100048384
2010-02-25

Engine exhaust catalysts containing palladium-gold

#972
20100048383
2010-02-25

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

#973
20100047161
2010-02-25

Formulation and method for improved ion exchange in zeolites and related aluminosilicates using polymer solutions

#974
20100037596
2010-02-18

EXHAUST PURIFICATION DEVICE OF COMPRESSION IGNITION TYPE INTERNAL COMBUSTION ENGINE

#975
20100034712
2010-02-11

Exhaust-gas converting apparatus

#976
20100031641
2010-02-11

Exhaust purification device of an internal combustion engine

#977
20100031640
2010-02-11

Exhaust purification device of internal combustion engine

#978
20100028231
2010-02-04

Synthesis and use of nanocrystalline zeolites

#979
20100028228
2010-02-04

Current storage estimation for selective catalytic reduction catalysts

#980
20100024389
2010-02-04

Nitrogen oxide estimation downstream of a selective catalytic reduction catalyst

#981
20100000202
2010-01-07

Dual catalyst NOx reduction system for exhaust from lean burn internal combustion engines

#982
20090324469
2009-12-31

Zero platinum group metal catalysts

#983
20090324468
2009-12-31

Zero platinum group metal catalysts

#984
20090324454
2009-12-31

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

#985
20090318283
2009-12-24

CATALYST COMPOSITION AND METHOD

#986
20090317307
2009-12-24

EXHAUST GAS PURIFYING DEVICE

#987
20090311146
2009-12-17

Exhaust gas treating apparatus

#988
20090305873
2009-12-10

HONEYCOMB STRUCTURE

#989
20090304566
2009-12-10

Ammonia SCR catalyst and method of using the catalyst

#990
20090301059
2009-12-10

Exhaust purification device of internal combustion engine

#991
20090301048
2009-12-10

Filter for Removing Particles from a Gas Stream and Method for its Manufacture

#992
20090298673
2009-12-03

EXHAUST GAS PURIFICATION CATALYST

#993
20090297419
2009-12-03

AMMONIA SCR CATALYST AND METHOD OF USING THE CATALYST

#994
20090291839
2009-11-26

HONEYCOMB STRUCTURE

#995
20090291837
2009-11-26

Honeycomb structure

#996
20090291834
2009-11-26

HONEYCOMB STRUCTURE

#997
20090291833
2009-11-26

HONEYCOMB STRUCTURE

#998
20090291828
2009-11-26

HONEYCOMB STRUCTURE

#999
20090291827
2009-11-26

HONEYCOMB STRUCTURE

#1000
20090291826
2009-11-26

HONEYCOMB STRUCTURE

#1001
20090291824
2009-11-26

HONEYCOMB STRUCTURE

#1002
20090291256
2009-11-26

Honeycomb structure

#1003
20090291255
2009-11-26

HONEYCOMB STRUCTURE

#1004
20090291034
2009-11-26

Honeycomb structure, exhaust gas conversion apparatus, and manufacturing method of the honeycomb structure

#1005
20090285737
2009-11-19

Processes for reducing nitrogen oxides using copper CHA zeolite catalysts

#1006
20090285736
2009-11-19

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

#1007
20090266057
2009-10-29

Exhaust purification device of an internal combustion engine

#1008
20090263304
2009-10-22

CATALYST FOR REMOVAL OF NITROGEN OXIDE AND METHOD FOR REMOVAL OF NITROGEN OXIDE

#1009
20090260349
2009-10-22

Air-injection system to improve effectiveness of selective catalytic reduction catalyst for gasoline engines

#1010
20090260346
2009-10-22

METHOD FOR PURIFICATION OF AN EXHAUST GAS FROM A DIESEL ENGINE

#1011
20090257935
2009-10-15

Base metal and base metal modified diesel oxidation catalysts

#1012
20090255241
2009-10-15

Method of forming a catalyzed selective catalytic reduction (SCR) filter

#1013
20090255240
2009-10-15

Sulfur-resistant exhaust gas aftertreatment system for the reduction of nitrogen oxides

#1014
20090255235
2009-10-15

Sulfur-resistant exhaust gas aftertreatment system for the oxidation of NO

#1015
20090246103
2009-10-01

HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING THE SAME

#1016
20090241521
2009-10-01

Apparatus for purifying exhaust gas

#1017
20090214396
2009-08-27

Engine exhaust catalysts containing palladium-gold

#1018
20090211232
2009-08-27

Emission treatment systems and methods using passivated surfaces

#1019
20090209408
2009-08-20

Exhaust Gas-Purifying Catalyst

#1020
20090199549
2009-08-13

Apparatus for reducing dibenzodioxin emissions and dibenzofuran emissions from transition metal-containing catalyzers

#1021
20090196813
2009-08-06

High temperature catalyst and process for selective catalytic reduction of NOin exhaust gases of fossil fuel combustion

#1022
20090196812
2009-08-06

Catalysts, Systems and Methods Utilizing Non-Zeolitic Metal-Containing Molecular Sieves Having the CHA Crystal Structure

#1023
20090155889
2009-06-18

SYSTEM AND METHOD FOR REGENERATION OF AN ABSORBENT SOLUTION

#1024
20090151341
2009-06-18

APPARATUS FOR REDUCING NITROGEN OXIDE CONTAINED IN EXHAUST GAS

#1025
20090151339
2009-06-18

Method and arrangement for improving the hydrolysis of a reduction agent in an exhaust gas post treatment system

#1026
20090145117
2009-06-11

Exhaust gas aftertreatment system

#1027
20090143221
2009-06-04

Zeolite-based honeycomb body

#1028
20090136388
2009-05-28

Air purification apparatus

#1029
20090081098
2009-03-26

Ammonia SCR catalyst and method of using the catalyst

#1030
20090060809
2009-03-05

Ammonia Decomposition Catalyst and Process for Decomposition of Ammonia Using the Catalyst

#1031
20090057199
2009-03-05

Compositions and processes for reducing NOx emissions during fluid catalytic cracking

#1032
20090048095
2009-02-19

Iron-containing aluminosilicate zeolites and methods of making and using same

#1033
20090048093
2009-02-19

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

#1034
20090010815
2009-01-08

Hexagonal-cell honeycomb catalyzer for purifying exhaust gas

#1035
20090004083
2009-01-01

NOx control for IC engines

#1036
20090004081
2009-01-01

Exhaust gas purifying catalyst composition containing zeolite for reducing hydrogen sulfide

#1037
20090004079
2009-01-01

Multi-component catalyst system and method for the reduction of NO

#1038
20080317999
2008-12-25

Gas catalysts comprising porous wall honeycombs

#1039
20080317643
2008-12-25

Engine exhaust gas purifier

#1040
20080307779
2008-12-18

Regenerable sulfur traps for on-board vehicle applications

#1041
20080299016
2008-12-04

System and method for selective catalytic reduction of nitrogen oxides in combustion exhaust gases

#1042
20080292519
2008-11-27

Bifunctional catalysts for selective ammonia oxidation

#1043
20080287283
2008-11-20

Catalyst body and methods

#1044
20080256936
2008-10-23

Selective Catalytic Reduction Filter and Method of Using Same

#1045
20080241060
2008-10-02

Microporous crystalline material comprising a molecular sieve or zeolite having an 8-ring pore opening structure and methods of making and using same

#1046
20080241034
2008-10-02

Method for reducing the nitrogen oxide concentration in gases

#1047
20080241032
2008-10-02

Catalyzing Lean NOx Filter and Method of Using Same

#1048
20080227627
2008-09-18

Catalyst For the Treatment of Exhaust Gases and Processes For Producing the Same

#1049
20080226545
2008-09-18

Copper CHA zeolite catalysts

#1050
20080213145
2008-09-04

Method of decomposing nitrogen dioxide

#1051
20080202107
2008-08-28

SCR on low thermal mass filter substrates

#1052
20080193358
2008-08-14

Method for the Production of a Catalytically Active Mineral on the Basis of a Tectosilicate

#1053
20080188002
2008-08-07

METHOD AND APPARATUS FOR REMOVING SELENIUM OXIDE IN A SAMPLE, AND METHOD AND APPARATUS FOR MEASURING MERCURY IN COAL COMBUSTION EXHAUST GAS BY USING THE SAME

#1054
20080166282
2008-07-10

Ammonia SCR catalyst and method of using the catalyst

#1055
20080159936
2008-07-03

Treatment of cold start engine exhaust

#1056
20080132405
2008-06-05

Catalyzed SCR filter and emission treatment system

#1057
20080127634
2008-06-05

Hybrid catalyst for NOx reduction using fuel hydrocarbons as reductant

#1058
20080125308
2008-05-29

Engine exhaust catalysts containing palladium-gold

#1059
20080095683
2008-04-24

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

#1060
20080075646
2008-03-27

Structured automotive catalyst with improved thermal ageing stability

#1061
20080072578
2008-03-27

Treatment Systems and Methods for Internal Combustion Engine Exhaust Streams

#1062
20080064587
2008-03-13

Oxidation Catalyst for Exhaust Gas Purification, Catalyst Structure for Exhaust Gas Purification and Method for Purifying Exhaust Gas

#1063
20080060348
2008-03-13

Emissions reduction system

#1064
20080056970
2008-03-06

Treatment of engine exhaust using molecular sieve SSZ-75

#1065
20080053073
2008-03-06

Reformer assisted lean NOcatalyst aftertreatment system and method

#1066
20080044319
2008-02-21

Honeycomb catalyst and manufacturing method thereof

#1067
20080041045
2008-02-21

Apparatus and method for assisting selective catalytic reduction

#1068
20080034740
2008-02-14

Process for the removal of harmful substances from exhaust gases of combustion engines and catalyst for carrying out said process

#1069
20070286782
2007-12-13

REDUCTION OF OXIDES OF NITROGEN IN A GAS STREAM USING MOLECULAR SIEVE SSZ-75

#1070
20070277507
2007-12-06

Enhanced hybrid de-NOx system

#1071
20070275847
2007-11-29

Composition for reducing O emissions in FCC regeneration process

#1072
20070269353
2007-11-22

Emission treatment system with NSR and SCR catalysts

#1073
20070259771
2007-11-08

Catalyst for exhaust gas purification and method for exhaust gas purification

#1074
20070259770
2007-11-08

Extruded monolithic catalytic converter and manufacturing method

#1075
20070248517
2007-10-25

NOx reduction catalyst having excellent low-temperature characteristics

#1076
20070238606
2007-10-11

Exhaust gas purifying catalyst composition containing zeolite for reducing hydrogen sulfide

#1077
20070217978
2007-09-20

Minimization Of Pah Emissions During The Regeneration Of Particles Filters

#1078
20070199302
2007-08-30

Zeolite-Containing Oxidation Catalyst and Method of Use

#1079
20070173404
2007-07-26

Process for producing an SCR catalyst

#1080
20070149837
2007-06-28

Oxygenate conversion using molecular sieve SSZ-74

#1081
20070148071
2007-06-28

Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-74

#1082
20070148067
2007-06-28

Treatment of engine exhaust using molecular sieve SSZ-74

#1083
20070137184
2007-06-21

Method of forming a catalyzed selective catalytic reduction filter

#1084
20070134146
2007-06-14

Zeolite catalyst with improved NOx reduction in SCR

#1085
20070134138
2007-06-14

Exhaust gas purifying apparatus

#1086
20070089403
2007-04-26

Exhaust-gas purification system for the selective catalytic reduction of nitrogen oxides in the lean exhaust gas of internal combustion engines and method of exhaust-gas purification

#1087
20070077189
2007-04-05

CATALYST FOR IMPROVING THE EFFICACY OF NOx REDUCTION IN MOTOR VEHICLES

#1088
20070071666
2007-03-29

Synthesis and use of nanocrystalline zeolites

#1089
20070051094
2007-03-08

HC adsorbing material and device for judging deterioration of the HC adsorbing material

#1090
20070031310
2007-02-08

Reduction of NOx emissions using a staged silver/alumina catalyst system

#1091
20070021294
2007-01-25

Exhaust gas-purifying catalyst

#1092
20070000243
2007-01-04

Conversion system for reducing NOemissions

#1093
20060292052
2006-12-28

Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-56

#1094
20060288690
2006-12-28

Treatment of engine exhaust using molecular sieve SSZ-56

#1095
20060286012
2006-12-21

Method and apparatus for combination catalyst for reduction of NOin combustion products

#1096
20060263285
2006-11-23

Method of decomposing nitrogen dioxide

#1097
20060236684
2006-10-26

Diesel particulate matter reduction system

#1098
20060185335
2006-08-24

Method of manufacturing plugged honeycomb structure, and plugged honeycomb structure

#1099
20060159607
2006-07-20

Catalyst and method for reduction of nitrogen oxides

#1100
20060140835
2006-06-29

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

#1101
20060140831
2006-06-29

Boron-alumina catalyst support

#1102
20060115422
2006-06-01

Synthesis of amines boron-containing molecular sieve CHA

#1103
20060115403
2006-06-01

Reduction of oxides of nitrogen in a gas stream using high-silics molecular sieve CHA

#1104
20060115401
2006-06-01

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

#1105
20060110301
2006-05-25

Method of recovering energy using a catalytic finned heat exchanger

#1106
20060088469
2006-04-27

Method for preparation and activation of multimetallic zeolite catalysts, a catalyst composition and application for n2o abatement

#1107
20060073960
2006-04-06

Exhaust gas purifying catalyst and process for purifying exhaust gas

#1108
20060059900
2006-03-23

Exhaust gas purification system

#1109
20060051277
2006-03-09

Method and device for reducing the NO and NO of gases

#1110
20060014630
2006-01-19

Exhaust gas purifying catalyst and process for purification of exhaust gas

#1111
20060010854
2006-01-19

Exhaust gas clarifying device for internal combustion engine

#1112
20050244320
2005-11-03

Denitrification method

#1113
20050229677
2005-10-20

High-temperature gas sensors

#1114
20050220679
2005-10-06

System for automobile exhaust gas purification

#1115
20050201916
2005-09-15

Zeolite-containing oxidation catalyst and method of use

#1116
20050130836
2005-06-16

Production of catalyst for removal of introgen oxides

#1117
20050129601
2005-06-16

Emissions treatment system with NSR and SCR catalysts

#1118
20050100494
2005-05-12

Ferrierite compositions for reducing NOx emissions during fluid catalytic cracking

#1119
20050100493
2005-05-12

Ferrierite compositions for reducing NOx emissions during fluid catalytic cracking

#1120
20050056004
2005-03-17

Exhaust system for enhanced reduction of nitrogen oxides and particulates from diesel engines

#1121
20050042159
2005-02-24

Using molecular sieve SSZ-65 for reduction of oxides of nitrogen in a gas stream

#1122
20050031514
2005-02-10

Catalyzed SCR filter and emission treatment system

#1123
20050031513
2005-02-10

Gasoline engine with an exhaust system for combusting particulate matter

#1124
18479993
2024-08-27

Engine cold start system and method

#1125
16994788
2020-11-17

Small crystal SSZ-27, its synthesis and use

#1126
15958058
2019-09-03

Nitrogen oxides storage catalyst and methods of using the same

#1127
15160466
2017-08-08

Molecular sieve SSZ-104, its synthesis and use