ClassID:

29778

B01D53/945 - page 4 - CPC Classification

Classification description:

Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,; Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes; Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC] characterised by a specific catalyst

Recent Application in this class:
#901
20090010815
2009-01-08

Hexagonal-cell honeycomb catalyzer for purifying exhaust gas

#902
20090005241
2009-01-01

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

#903
20090004081
2009-01-01

Exhaust gas purifying catalyst composition containing zeolite for reducing hydrogen sulfide

#904
20080318770
2008-12-25

Exhaust Gas-Purifying Catalyst

#905
20080318769
2008-12-25

Catalyst and Method for Manufacturing Catalyst for Use in Exhaust Emission Control

#906
20080318765
2008-12-25

NANOALLOYS IN EMISSIONS CONTROL AFTER-TREATMENT SYSTEMS

#907
20080317653
2008-12-25

Exhaust treatment system and catalyst system

#908
20080282683
2008-11-20

Device for the purification of exhaust gas

#909
20080279738
2008-11-13

Zeolite Catalyst for the Simultaneous Removal of Carbon Monoxide and Hydrocarbons From Oxygen-Rich Exhaust Gases and Processes for the Manufacture Thereof

#910
20080269046
2008-10-30

EXHAUST GAS PURIFICATION CATALYST AND MANUFACTURING METHOD THEREOF

#911
20080260991
2008-10-23

Catalyst supporting honeycomb and method of manufacturing the same

#912
20080256935
2008-10-23

Exhaust system comprising exotherm-generating catalyst

#913
20080254978
2008-10-16

Exhaust gas purifying catalyst and method of producing the same

#914
20080254977
2008-10-16

Catalyst for exhaust gas purification and exhaust gas purification apparatus

#915
20080249303
2008-10-09

METHODS OF SEPARATION AND DETECTION OF BAZEDOXIFENE ACETATE IN PHARMACEUTICAL COMPOSITIONS

#916
20080233039
2008-09-25

Catalysts For Co Oxidation,Voc Combustion And Nox Reduction And Methods Of Making And Using The Same

#917
20080227627
2008-09-18

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

#918
20080226514
2008-09-18

Exhaust gas treatment catalyst

#919
20080219906
2008-09-11

Multilayered catalyst compositions

#920
20080214390
2008-09-04

Catalyst for purifying exhaust gas

#921
20080207438
2008-08-28

Catalytic material and catalyst for purifying exhaust gas component

#922
20080187714
2008-08-07

Exhaust gas purifying catalyst and manufacturing method thereof

#923
20080187477
2008-08-07

Catalyst for treating exhaust gases, method for producing the same, and method for treating exhaust gases

#924
20080182746
2008-07-31

Exhaust gas-purifying catalyst

#925
20080171650
2008-07-17

Nonwoven composites and related products and methods

#926
20080167181
2008-07-10

Exhaust gas purifying catalyst and producing method thereof

#927
20080159936
2008-07-03

Treatment of cold start engine exhaust

#928
20080152565
2008-06-26

Method and apparatus for the purification of exhaust gas from a compression ignition engine

#929
20080146439
2008-06-19

Exhaust gas purging catalyst and method for producing the exhaust gas purging catalyst

#930
20080141660
2008-06-19

Catalyst And System For Reducing Exhaust Of Diesel Engines

#931
20080139382
2008-06-12

CATALYST FOR PURIFICATION OF EXHAUST GAS

#932
20080132409
2008-06-05

Fibrous Catalyst

#933
20080132405
2008-06-05

Catalyzed SCR filter and emission treatment system

#934
20080125313
2008-05-29

Engine Exhaust Catalysts Containing Palladium-Gold

#935
20080125309
2008-05-29

Engine exhaust catalysts containing zeolite and zeolite mixtures

#936
20080125308
2008-05-29

Engine exhaust catalysts containing palladium-gold

#937
20080124514
2008-05-29

Engine exhaust catalysts containing palladium-gold

#938
20080119353
2008-05-22

Method for Producing Heterogeneous Catalysts Containing Metal Nanoparticles

#939
20080112870
2008-05-15

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

#940
20080112865
2008-05-15

Nonwoven Composites and Related Products and Methods

#941
20080096759
2008-04-24

Exhaust-gas-purifying catalyst

#942
20080095687
2008-04-24

Oxidation catalyst for purifying exhaust gas

#943
20080090723
2008-04-17

Zirconia-ceria-yttria-based mixed oxide and process for producing the same

#944
20080090722
2008-04-17

Catalyst carrier and catalyst using the same

#945
20080085830
2008-04-10

Method and device for catalytic oxidation and reduction of gases and vapours by crystalline compounds of heavy metals and rare earths

#946
20080081762
2008-04-03

Catalyst for purifying exhaust gases

#947
20080081761
2008-04-03

Catalyst for Purifying Exhaust Gases

#948
20080076007
2008-03-27

Catalyst and a Method for Manufacturing the Same

#949
20080075646
2008-03-27

Structured automotive catalyst with improved thermal ageing stability

#950
20080072578
2008-03-27

Treatment Systems and Methods for Internal Combustion Engine Exhaust Streams

#951
20080072551
2008-03-27

Highly porous mullite particulate filter substrate

#952
20080066458
2008-03-20

Catalyst system for vehicle exhaust gas purification devices, exhaust gas purification device using the same, and method for purification of exhaust gases

#953
20080064587
2008-03-13

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

#954
20080056970
2008-03-06

Treatment of engine exhaust using molecular sieve SSZ-75

#955
20080056965
2008-03-06

Exhaust gas catalytic conversion system

#956
20080047261
2008-02-28

Three-layered catalyst system for purifying exhaust gases of internal engines

#957
20080045404
2008-02-21

Catalyst containing little or no rhodium for purifying exhaust gases of internal combustion engine

#958
20080044330
2008-02-21

Layered catalyst composite

#959
20080044329
2008-02-21

Layered catalyst composite

#960
20080042104
2008-02-21

Layered catalyst composite

#961
20080038172
2008-02-14

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

#962
20080038161
2008-02-14

Method for producing a catalyst and the catalyst made therefrom

#963
20080028756
2008-02-07

Exhaust emission control device

#964
20080028608
2008-02-07

Catalyst substrate having improved thermal durability

#965
20080026932
2008-01-31

NOx purifying catalyst

#966
20080020925
2008-01-24

Composition Based On Oxides Of Zirconium, Praseodymium, Lanthanum Or Neodymium, Method For The Preparation And Use Thereof In A Catalytic System

#967
20080016848
2008-01-24

Exhaust System For An Internal Combustion Engine, and Method For Operating Such An Exhaust System

#968
20080009410
2008-01-10

Cerium oxide-zirconium oxide-based mixed oxide and method for producing the same

#969
20080003155
2008-01-03

Platinum-bismuth catalysts for treating engine exhaust

#970
20070292329
2007-12-20

Method for Producing Noble Metal-Containing Heat-Resistant Oxide

#971
20070274890
2007-11-29

Exhaust gas purifying catalyst and exhaust gas purifying method

#972
20070269352
2007-11-22

Catalytic body and manufacturing method of the same

#973
20070265160
2007-11-15

Exhaust gas purification catalyst

#974
20070264518
2007-11-15

Exhaust gas cleaning catalyst with an axially varying precious metal concentration and processes for making the catalyst

#975
20070259779
2007-11-08

Catalyst carrier substrate coated with washcoat comprising fibrous material

#976
20070249497
2007-10-25

Catalyst composition

#977
20070248507
2007-10-25

Exhaust gas purification device

#978
20070246433
2007-10-25

Refractory exhaust filtering method and apparatus

#979
20070244002
2007-10-18

CE-ZR based solid solutions and methods for making and using the same

#980
20070238609
2007-10-11

Oxidation catalyst for cleaning exhaust gas

#981
20070238606
2007-10-11

Exhaust gas purifying catalyst composition containing zeolite for reducing hydrogen sulfide

#982
20070234714
2007-10-11

Device for reducing particles of an exhaust gas, exhaust gas purification system and vehicle having the device or the system

#983
20070227130
2007-10-04

Catalytic converter apparatus for purifying exhaust gas

#984
20070225159
2007-09-27

Exhaust Gas Purifying Catalyst and Production Process Thereof

#985
20070220871
2007-09-27

Method and apparatus for filtration of a two-stroke engine exhaust

#986
20070219089
2007-09-20

Catalyst for exhaust gas purification, production method therefor, and method for purification of exhaust gas using the catalyst

#987
20070219082
2007-09-20

Adsorbent for hydrocarbons, catalyst for exhaust gas purification and method for exhaust gas purification

#988
20070215009
2007-09-20

Metal oxide nanoporous material, coating composition to obtain the same, and methods of manufacturing them

#989
20070213208
2007-09-13

Perovskite-type composite oxide, catalyst composition and method for producing perovskite-type composite oxide

#990
20070209350
2007-09-13

Process for purification of sulphur-containing exhaust gas

#991
20070207920
2007-09-06

Production Method for Noble-Metal-Cluster-Supporting Catalyst

#992
20070207078
2007-09-06

Catalyst for treating exhaust gas and method for producing the same

#993
20070203021
2007-08-30

Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder

#994
20070197379
2007-08-23

Process for producing metal oxide particle and exhaust gas purifying catalyst

#995
20070197373
2007-08-23

Zirconia core particles coated with ceria particles, production process thereof and exhaust gas purifying catalyst

#996
20070196246
2007-08-23

Diesel particulate filter and exhaust emission control system

#997
20070196245
2007-08-23

DIESEL PARTICULATE FILTER

#998
20070191220
2007-08-16

Oxygen storage material, process for its preparation and its application in a catalyst

#999
20070191218
2007-08-16

Oxidation catalyst for cleaning exhaust gas

#1000
20070179054
2007-08-02

EXHAUST GAS PURIFICATION CATALYST

#1001
20070179052
2007-08-02

Exhaust gas purifying catalyst, metal oxide particle and production process thereof

#1002
20070167320
2007-07-19

Exhaust gas purifying catalyst

#1003
20070161508
2007-07-12

Exhaust gas purifying catalyst

#1004
20070161506
2007-07-12

Catalyst

#1005
20070155626
2007-07-05

Catalyst powder, exhaust gas purifying catalyst, and method of producing the catalyst powder

#1006
20070155625
2007-07-05

Catalyst and producing method thereof

#1007
20070155624
2007-07-05

Cerium/zirconium-base composite oxide, method for producing the same, oxygen storage/release component using said cerium-zirconium-base composite oxide, exhaust gas purification catalyst, and exhaust gas purification method using the same

#1008
20070155623
2007-07-05

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

#1009
20070153390
2007-07-05

Powdery catalyst, exhaust-gas purifying catalyzer, and powdery catalyst production method

#1010
20070137184
2007-06-21

Method of forming a catalyzed selective catalytic reduction filter

#1011
20070134145
2007-06-14

Precious metal catalyst stabilized with iron oxide for the removal of pollutants from exhaust gases from leanburn engines

#1012
20070129246
2007-06-07

Exhaust gas purifying catalyst and production process thereof

#1013
20070129244
2007-06-07

Exhaust gas purification apparatus for an internal combustion engine and a catalyst for purifying exhaust gas

#1014
20070128097
2007-06-07

Ceric oxide and method for production thereof, and catalyst for exhaust gas clarification

#1015
20070123418
2007-05-31

Catalyst composition containing gallium for purifying exhaust gases of internal combustion engine

#1016
20070117716
2007-05-24

Exhaust gas purification catalyst

#1017
20070117715
2007-05-24

Exhaust gas purification catalyst and method of fabricating the same

#1018
20070110651
2007-05-17

Multi-stage catalyst systems and uses thereof

#1019
20070110650
2007-05-17

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

#1020
20070110609
2007-05-17

Iron-chromium-aluminum alloy

#1021
20070104950
2007-05-10

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

#1022
20070104632
2007-05-10

Refractory exhaust filtering method and apparatus

#1023
20070104621
2007-05-10

Catalytic exhaust device for simplified installation or replacement

#1024
20070104620
2007-05-10

Catalytic Exhaust Device

#1025
20070099796
2007-05-03

Exhaust gas purifying catalyst and method of manufacturing the same

#1026
20070099298
2007-05-03

Catalyst for purifying exhaust gases and method of evaluating low-temperature purifying ability of the same

#1027
20070098611
2007-05-03

Stabilized flash calcined gibbsite as a catalyst support

#1028
20070093383
2007-04-26

Catalyst for oxidation emissions from compressed natural gas vehicles

#1029
20070093381
2007-04-26

Exhaust gas purifying catalyst

#1030
20070082810
2007-04-12

Methods for preparing coated metal substrates

#1031
20070077189
2007-04-05

CATALYST FOR IMPROVING THE EFFICACY OF NOx REDUCTION IN MOTOR VEHICLES

#1032
20070066479
2007-03-22

Exhaust gas purifying catalyst

#1033
20070051094
2007-03-08

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

#1034
20070049491
2007-03-01

Exhaust gas purifying catalyst and method for manufacturing the same

#1035
20070021294
2007-01-25

Exhaust gas-purifying catalyst

#1036
20070014710
2007-01-18

Catalyst for removing pollutants from exhaust gases from lean-burn engines, with ruthenium as active metal

#1037
20070014705
2007-01-18

High phosphorous poisoning resistant catalysts for treating automobile exhaust

#1038
20070006578
2007-01-11

Apparatus for removing particulate matter

#1039
20070004589
2007-01-04

Exhaust gas-purifying catalyst

#1040
20060288690
2006-12-28

Treatment of engine exhaust using molecular sieve SSZ-56

#1041
20060287196
2006-12-21

Catalyst for clarifying exhaust gas and method for preparation thereof, and exhaust gas clarification catalyst device for vehicle

#1042
20060276331
2006-12-07

Exhaust gas purification catalyst

#1043
20060270550
2006-11-30

Exhaust gas purifying catalyst

#1044
20060270549
2006-11-30

Exhaust gas-purifying catalyst

#1045
20060263284
2006-11-23

Composition based on cerium and zirconium oxides having a specific surface which is stable between 900° c and 1000° c method for the production and use thereof as a catalyst

#1046
20060257305
2006-11-16

Alumina-based perovskite catalysts and catalyst supports

#1047
20060252638
2006-11-09

Exhaust gas-purifying catalyst

#1048
20060251549
2006-11-09

Multi-zone catalytic converter

#1049
20060247126
2006-11-02

Hydrogen sulfide generation-suppressed catalyst

#1050
20060242947
2006-11-02

Emission Control System For An Engine

#1051
20060240977
2006-10-26

Catalyst for purifying an exhaust gas and a preparation process of the catalyst

#1052
20060233678
2006-10-19

Exhaust gas catalytic converter

#1053
20060228274
2006-10-12

Exhaust gas purifying apparatus

#1054
20060223698
2006-10-05

Exhaust gas purification catalyst

#1055
20060223694
2006-10-05

Perovskite catalyst system for lean burn engines

#1056
20060217263
2006-09-28

Exhaust gas purification catalyst

#1057
20060210462
2006-09-21

Compositions based on cerium oxide, zirconium oxide and, optionally, another rare earth oxide, having a specific raised surface at 1100°c, method for the production and use thereof as a catalyst

#1058
20060193757
2006-08-31

Diesel exhaust filter

#1059
20060189480
2006-08-24

Exhaust gas purifying catalyst, and method for producing the same

#1060
20060183634
2006-08-17

Catalyst structure and exhaust gas treatment system provided with catalyst

#1061
20060178261
2006-08-10

Reduced maximum reducibility temperature zirconium oxide and cerium oxide based composition, method for the production and use thereof as a catalyst

#1062
20060168949
2006-08-03

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

#1063
20060162317
2006-07-27

Process for treating compression ignition engine exhaust gas

#1064
20060156709
2006-07-20

Compression ignition engine and exhaust system therefor

#1065
20060142151
2006-06-29

Exhaust gas purifying catalyst

#1066
20060140831
2006-06-29

Boron-alumina catalyst support

#1067
20060128562
2006-06-15

Exhaust gas purification catalyst

#1068
20060115397
2006-06-01

Composition based on zirconium oxide and oxides of cerium, lanthanum and of another rare earth, a method for preparing same and use thereof as catalyst

#1069
20060115389
2006-06-01

Nanotechnological processing of catalytic surfaces

#1070
20060105908
2006-05-18

Catalyst for purifying exhaust gases and process for producing the same

#1071
20060100101
2006-05-11

Filter catalyst

#1072
20060100097
2006-05-11

PGM-FREE WASHCOATS FOR CATALYZED DIESEL PARTICULATE FILTER APPLICATIONS

#1073
20060094595
2006-05-04

Drying method for exhaust gas catalyst

#1074
20060089256
2006-04-27

Platinum-rhodium catalyst for automotive exhaust gas

#1075
20060088463
2006-04-27

Process for preparing zirconium-cerium-based mixed oxides

#1076
20060088459
2006-04-27

Catalyst for treatment and control of post-combustion emissions

#1077
20060081922
2006-04-20

Method of controlling emissions from a diesel cycle internal combustion engine with perovskite-type metal oxide compounds

#1078
20060063062
2006-03-23

Catalyst and a method for manufacturing the same

#1079
20060053760
2006-03-16

Cermet materials

#1080
20060052243
2006-03-09

Oxygen storage material, process for its preparation and its application in a catalyst

#1081
20060052242
2006-03-09

Exhaust gas purification catalyst and oxygen storage component for the same

#1082
20060051272
2006-03-09

Catalytic converter for 2-cycle engines or small engines

#1083
20060035780
2006-02-16

Catalyst for purifying diesel engine exhaust emissions

#1084
20060032510
2006-02-16

In situ synthesis of composite nanoscale particles

#1085
20060019824
2006-01-26

Exhaust gas purification catalyst

#1086
20050282701
2005-12-22

Layered exhaust treatment catalyst

#1087
20050266988
2005-12-01

Exhaust gas purifying apparatus

#1088
20050266986
2005-12-01

Catalyst for clarifying exhaust gas

#1089
20050262830
2005-12-01

Internal combustion engine installation comprising a direct-injection otto engine and a catalyst system

#1090
20050255993
2005-11-17

Method for producing exhaust gas purifying catalyst

#1091
20050255992
2005-11-17

Rhodium-rich catalysts doped with rare earth oxides

#1092
20050249653
2005-11-10

Method for producing perovskite-type composite oxide

#1093
20050245391
2005-11-03

Catalyst for exhaust gas purification

#1094
20050239642
2005-10-27

Catalytic filter for removing soot particulates from diesel engine exhaust and method of preparing the same

#1095
20050233897
2005-10-20

Catalyst for exhaust gas purification

#1096
20050227867
2005-10-13

Exhaust gas treatment catalyst

#1097
20050221979
2005-10-06

Purification catalyst for exhaust gas

#1098
20050220678
2005-10-06

Exhaust gas clarification catalyst carrying article

#1099
20050215428
2005-09-29

Exhaust gas-purifying catalyst and method of manufacturing the same

#1100
20050197244
2005-09-08

Exhaust treatment system and catalyst system

#1101
20050191218
2005-09-01

Ceramic diesel exhaust filters

#1102
20050187099
2005-08-25

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

#1103
20050186127
2005-08-25

Catalyst carrier body with passivation layer and method for producing the same

#1104
20050176581
2005-08-11

Catalyst carrier and method of producing same

#1105
20050175520
2005-08-11

Treating agent for exhaust gas containing metal hydride compound and method for treating exhaust gas containing metal hydride compound

#1106
20050172614
2005-08-11

Exhaust emission control device for an internal combustion engine

#1107
20050170958
2005-08-04

Exhaust gas purifying catalyst and method of producing same

#1108
20050170955
2005-08-04

Exhaust gas purifying catalyst and method of producing same

#1109
20050170954
2005-08-04

Exhaust gas cleaning catalyst

#1110
20050170953
2005-08-04

Exhaust-gas purifying catalyst

#1111
20050164880
2005-07-28

Process for the preparation of a TiO-containing catalyst or catalyst support which is stable to high temperatures

#1112
20050159310
2005-07-21

Catalyst carrier and method of producing same

#1113
20050153836
2005-07-14

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

#1114
20050153833
2005-07-14

Coated metal substrate

#1115
20050152817
2005-07-14

System for treating gaseous streams using metamorphosed mineral compositions having internal lattice defects

#1116
20050137079
2005-06-23

Catalyst formulation, exhaust system, and gas treatment device

#1117
20050129588
2005-06-16

Exhaust treatment device, and methods of making the same

#1118
20050124489
2005-06-09

Exhaust gas catalyst and method of manufacturing same

#1119
20050119120
2005-06-02

Exhaust gas purification catalytic material and method for fabricating the same

#1120
20050095189
2005-05-05

Catalysts, activating agents, support media, and related methodologies useful for making catalyst systems especially when the catalyst is deposited onto the support media using physical vapor deposition

#1121
20050070428
2005-03-31

Exhaust gas purifying catalyst

#1122
20050059547
2005-03-17

Cerium-zirconium composite metal oxide

#1123
20050059546
2005-03-17

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

#1124
20050049144
2005-03-03

Noble metal catalyst

#1125
20050044847
2005-03-03

Photocatalytic reactor

#1126
20050042151
2005-02-24

Nonwoven composites and related products and processes

#1127
20050032637
2005-02-10

Catalyst for purification of diesel engine exhaust gas

#1128
20050031514
2005-02-10

Catalyzed SCR filter and emission treatment system

#1129
20050020443
2005-01-27

Method of making a NOx adsorber catalyst

#1130
20050020442
2005-01-27

Doped alumina catalysts

#1131
20050019578
2005-01-27

Catalytic burning reaction

#1132
20050014638
2005-01-20

Exhaust gas cleaning catalyst

#1133
20050011182
2005-01-20

Exhaust gas purification apparatus for engine

#1134
20050002838
2005-01-06

Diesel particulate filter

#1135
18107361
2023-10-24

Apparatus for purifying exhaust gas

#1136
16263593
2020-06-30

After treatment system and after treatment method for lean-burn engine

#1137
15994201
2020-06-23

Method of exhaust cleanup from combustion processes using mixed-metal oxide based catalysts

#1138
15427618
2018-03-13

Catalyst for automotive emissions control

#1139
15377368
2018-01-09

Enhanced catalytic activity at the stoichiometric condition of zero-PGM catalysts for TWC applications

#1140
14090915
2014-09-30

Method for improving lean performance of PGM catalyst systems: synergized PGM