ClassID:

30395

B01D2255/2065 - page 3 - CPC Classification

Classification description:

Catalysts; Metals or compounds thereof; Rare earth metals Cerium

Recent Application in this class:
#601
20120301381
2012-11-29

Transition metal/zeolite SCR catalysts

#602
20120301380
2012-11-29

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#603
20120301379
2012-11-29

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#604
20120301378
2012-11-29

TRANSITION METAL/ZEOLITE SCR CATALYSTS

#605
20120294786
2012-11-22

Exhaust purification device and exhaust purification method for diesel engine

#606
20120291420
2012-11-22

Oxidation catalysts for engines producing low temperature exhaust streams

#607
20120289755
2012-11-15

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

#608
20120288427
2012-11-15

Catalyzed soot filter with layered design

#609
20120277094
2012-11-01

CATALYST SUPPORT OR CATALYST, AND PROCESS FOR PRODUCING THE SAME

#610
20120258015
2012-10-11

Exhaust treatment system for an internal combustion engine

#611
20120252659
2012-10-04

CATALYST COMPOSITIONS AND APPLICATIONS THEREOF

#612
20120240554
2012-09-27

Manganese-based oxides promoted lean NOtrap (LNT) catalyst

#613
20120216516
2012-08-30

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#614
20120216512
2012-08-30

Exhaust emission control device for internal combustion engine

#615
20120214663
2012-08-23

LNT and SCR catalysts for combined LNT-SCR applications

#616
20120201732
2012-08-09

Ce containing, V-free mobile denox catalyst

#617
20120201731
2012-08-09

Zeolite catalyst containing metal

#618
20120191288
2012-07-26

ON-BOARD DIAGNOSTICS SYSTEM AND METHOD

#619
20120189489
2012-07-26

COMPLEX METAL OXIDE CATALYST, FILTER MODULE INCLUDING COMPLEX METAL OXIDE CATALYST, AND AIR CLEANER INCLUDING COMPLEX METAL OXIDE CATALYST

#620
20120149557
2012-06-14

Exhaust gas-purifying catalyst

#621
20120131911
2012-05-31

Exhaust gas purifying catalyst and method for manufacturing the same

#622
20120129681
2012-05-24

Method of controlling Ce:Zr ratio in oxide nanoparticles

#623
20120128934
2012-05-24

Part comprising a substrate carrying a ceramic coating layer

#624
20120124976
2012-05-24

APPARATUS FOR REMOVING MIXED NITROGEN OXIDES, CARBON MONOXIDE, HYDROCARBONS AND DIESEL PARTICULATE MATTER FROM DIESEL ENGINE EXHAUST STREAMS AT TEMPERATURES AT OR BELOW 280 DEGREES C

#625
20120124975
2012-05-24

Diesel oxidation catalyst articles and methods of making and using

#626
20120122672
2012-05-17

Exhaust gas-purifying catalyst

#627
20120107203
2012-05-03

Method and system using a filter for treating exhaust gas having particulate matter

#628
20120094827
2012-04-19

EXHAUST GAS-PURIFYING CATALYST AND METHOD OF PRODUCING SAME

#629
20120087838
2012-04-12

Catalyst and method of manufacture

#630
20120065058
2012-03-15

Exhaust gas-purifying catalyst

#631
20120058034
2012-03-08

Zeolite and redox oxide combined catalyst body

#632
20120058031
2012-03-08

Capture of volatilized vanadium and tungsten compounds in a selective catalytic reduction system

#633
20120058020
2012-03-08

Honeycomb filter and method for manufacturing honeycomb filter

#634
20120058019
2012-03-08

Honeycomb filter

#635
20120055142
2012-03-08

Catalysts for gasoline lean burn engines with improved NH-formation activity

#636
20120055141
2012-03-08

Catalyst for gasoline lean burn engines with improved NO oxidation activity

#637
20120040824
2012-02-16

Exhaust gas-purifying catalyst

#638
20120036834
2012-02-16

Mn, Ce and Zr mixed oxides oxidation catalyst

#639
20120027654
2012-02-02

Catalyst for purifying exhaust gas

#640
20120023915
2012-02-02

NOx storage materials and traps resistant to thermal aging

#641
20120021899
2012-01-26

Exhaust gas purifying catalyst

#642
20120015801
2012-01-19

PROCESS FOR PREPARATION OF A ZEOLITE-BASED CATALYST

#643
20120004094
2012-01-05

Nanoparticle carrying method

#644
20110311425
2011-12-22

COMPLEX OXIDE AND METHOD FOR PRODUCING THE SAME, AND CATALYST, METHOD AND APPARATUS FOR PURIFYING NITROGEN OXIDE

#645
20110305615
2011-12-15

NOx storage catalyst with reduced Rh loading

#646
20110305612
2011-12-15

NOx storage catalyst with improved hydrocarbon conversion activity

#647
20110287928
2011-11-24

Low level noble metal-supporting three-way catalyst

#648
20110274606
2011-11-10

Thermally regenerable nitric oxide adsorbent

#649
20110258993
2011-10-27

Exhaust system for lean burn IC engine including particulate filter and NOabsorbent

#650
20110250127
2011-10-13

Transition metal/zeolite SCR catalysts

#651
20110237429
2011-09-29

Exhaust gas purification catalyst

#652
20110237428
2011-09-29

EXHAUST GAS-PURIFYING CATALYST

#653
20110237425
2011-09-29

Zeolite honeycomb structure

#654
20110236625
2011-09-29

Formed zeolite honeycomb article and fired zeolite honeycomb article

#655
20110232266
2011-09-29

GASOLINE ENGINE WITH AN EXHAUST SYSTEM FOR COMBUSTING PARTICULATE MATTER

#656
20110230337
2011-09-22

Porous oxide catalyst and method of preparing the porous oxide catalyst

#657
20110219750
2011-09-15

EXHAUST GAS PURIFYING APPARATUS FOR INTERNAL COMBUSTION ENGINE

#658
20110217216
2011-09-08

Carbon monoxide conversion catalyst

#659
20110217215
2011-09-08

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

#660
20110203264
2011-08-25

Diesel exhaust gas purification catalyst and diesel exhaust gas purification system

#661
20110200504
2011-08-18

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

#662
20110197763
2011-08-18

Material for eliminating oxides of nitrogen with lamellar structure

#663
20110177939
2011-07-21

Exhaust gas purifying catalyst

#664
20110154807
2011-06-30

NOx TRAP

#665
20110143921
2011-06-16

Engine exhaust catalysts containing copper-ceria

#666
20110142737
2011-06-16

SELECTIVE CATALYTIC REDUCTION OF NITROGEN OXIDES IN THE EXHAUST GAS OF DIESEL ENGINES

#667
20110138789
2011-06-16

Capture of volatilized vanadium and tungsten compounds in a selective catalytic reduction system

#668
20110138777
2011-06-16

Diesel engine exhaust treatment system and method including a platinum group metal trapping device

#669
20110126527
2011-06-02

NOx storage materials and traps resistant to thermal aging

#670
20110120099
2011-05-26

Systems and methods for reducing NObreakthrough

#671
20110120086
2011-05-26

Reductant addition in exhaust system comprising NOx-absorbent

#672
20110116980
2011-05-19

PREFERENTIAL OXIDATION REACTOR

#673
20110111952
2011-05-12

Exhaust gas purifying catalyst and method for producing the same

#674
20110111949
2011-05-12

Exhaust gas-purifying catalyst

#675
20110110835
2011-05-12

Catalyst for decomposing nitrous oxide and method for performing processes comprising formation of nitrous oxide

#676
20110107752
2011-05-12

Small engine layered catalyst article and method of making

#677
20110094211
2011-04-28

Exhaust gas purifying catalyst

#678
20110086757
2011-04-14

Deoxidizer

#679
20110082031
2011-04-07

Method and system for monitoring a hydrocarbon adsorber

#680
20110065568
2011-03-17

Catalyst for purifying nitrogen oxide

#681
20110064639
2011-03-17

Composite oxide

#682
20110052454
2011-03-03

EXHAUST GAS PURIFICATION APPARATUS

#683
20100300077
2010-12-02

Dual-stage method for the reactivation of thermally aged nitrogen oxide storage catalysts

#684
20100290963
2010-11-18

TRANSITION METAL / ZEOLITE SCR CATALYSTS

#685
20100257845
2010-10-14

Exhaust purification device for internal combustion engine

#686
20100254862
2010-10-07

Selective reduction catalyst

#687
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

#688
20100224142
2010-09-09

Method of exhaust cleaning for internal combustion engine and exhaust cleaner

#689
20100223919
2010-09-09

NOx reduction catalyst and exhaust system using the same

#690
20100209323
2010-08-19

Mobile DeNOcatalyst

#691
20100204036
2010-08-12

NOx purifying catalyst

#692
20100196217
2010-08-05

APPLICATION OF BASIC EXCHANGE OS MATERIALS FOR LOWER TEMPERATURE CATALYTIC OXIDATION OF PARTICULATES

#693
20100190634
2010-07-29

NOx purifying catalyst

#694
20100189615
2010-07-29

Mechanically fused materials for pollution abatement in mobile and stationary sources

#695
20100143223
2010-06-10

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

#696
20100111793
2010-05-06

Catalyst, method and apparatus for removing nitrogen oxide

#697
20100111778
2010-05-06

Composite oxide for use as exhaust gas purification catalyst and filter

#698
20100099554
2010-04-22

EXHAUST GAS PURIFICATION CATALYST

#699
20100099552
2010-04-22

Nanocomposite particle and process of preparing the same

#700
20100098611
2010-04-22

Catalyst for decomposing nitrous oxide and method for performing processes comprising formation of nitrous oxide

#701
20100004122
2010-01-07

Exhaust Gas-Purifying Catalyst

#702
20090325787
2009-12-31

Nanocomposite particle and process of preparing the same

#703
20090324472
2009-12-31

Nanocomposite particle and process of preparing the same

#704
20090308054
2009-12-17

Method for controlling NOreduction system

#705
20090304566
2009-12-10

Ammonia SCR catalyst and method of using the catalyst

#706
20090304564
2009-12-10

NOx storage materials and traps resistant to thermal aging

#707
20090297419
2009-12-03

AMMONIA SCR CATALYST AND METHOD OF USING THE CATALYST

#708
20090297416
2009-12-03

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

#709
20090291838
2009-11-26

Urea SCR catalyst and manufacturing method for the same

#710
20090291828
2009-11-26

HONEYCOMB STRUCTURE

#711
20090288401
2009-11-26

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

#712
20090269265
2009-10-29

Exhaust gas purification method using selective reduction catalyst

#713
20090257934
2009-10-15

Transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage-reduction

#714
20090255236
2009-10-15

Low temperature hydrocarbon SCR

#715
20090246103
2009-10-01

HONEYCOMB STRUCTURE AND METHOD FOR MANUFACTURING THE SAME

#716
20090209416
2009-08-20

EXHAUST GAS-PURIFYING CATALYST

#717
20090199545
2009-08-13

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

#718
20090196811
2009-08-06

NOx REDUCTION CATALYST, NOx REDUCTION CATALYST SYSTEM, AND NOx REDUCTION METHOD

#719
20090191108
2009-07-30

Zirconium/Praseodymium Oxide NOx Traps and Prufication of Gases Containing Nitrogen Oxides (NOx) Therewith

#720
20090137387
2009-05-28

Catalyst for purifying exhaust gas

#721
20090104096
2009-04-23

Zone coated catalyst to simultaneously reduce NOx and unreacted ammonia

#722
20090084090
2009-04-02

Catalyst and Catalyst Structure for Reduction of Nitrogen Oxides, and Method for Catalytic Reduction of Nitrogen Oxides

#723
20090081098
2009-03-26

Ammonia SCR catalyst and method of using the catalyst

#724
20090062117
2009-03-05

Nitrogen oxide storage material and nitrogen oxide storage catalyst produced therefrom

#725
20090000281
2009-01-01

Method for catalytic reduction of nitrogen oxides

#726
20080307779
2008-12-18

Regenerable sulfur traps for on-board vehicle applications

#727
20080279741
2008-11-13

Reactor system for reducing NOemissions from boilers

#728
20080279740
2008-11-13

DeNOx catalyst preparation method

#729
20080167178
2008-07-10

High temperature ammonia SCR catalyst and method of using the catalyst

#730
20080166282
2008-07-10

Ammonia SCR catalyst and method of using the catalyst

#731
20080152565
2008-06-26

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

#732
20080120970
2008-05-29

NOx Storage Materials and Traps Resistant to Thermal Aging

#733
20080026937
2008-01-31

Transition metal-substituted hydrotalcite catalyst for removing nitrogen oxides from the exhaust gas of diesel engine by storage-reduction

#734
20080026932
2008-01-31

NOx purifying catalyst

#735
20070259770
2007-11-08

Extruded monolithic catalytic converter and manufacturing method

#736
20070204595
2007-09-06

Exhaust Gas Purification Apparatus of Internal Combustion Engine and Catalyst for Purifying Exhaust Gas of Internal Combustion Engine

#737
20070149385
2007-06-28

Catalyst system for reducing nitrogen oxide emissions

#738
20070110650
2007-05-17

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

#739
20070059223
2007-03-15

Catalyst structure for treating NOcontaining exhaust gas from a lean burn engine

#740
20070025901
2007-02-01

Catalyst and method for contact decomposition of nitrogen oxides

#741
20070009400
2007-01-11

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

#742
20060252638
2006-11-09

Exhaust gas-purifying catalyst

#743
20060248874
2006-11-09

Exhaust system for lean burn IC engine including particulate filter and NOabsorbent

#744
20060159607
2006-07-20

Catalyst and method for reduction of nitrogen oxides

#745
20060039843
2006-02-23

Zone coated catalyst to simultaneously reduce NOand unreacted ammonia

#746
20060014630
2006-01-19

Exhaust gas purifying catalyst and process for purification of exhaust gas

#747
20050196333
2005-09-08

Process for reducing nitrogen oxides

#748
20050164879
2005-07-28

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

#749
20050148463
2005-07-07

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

#750
20050130836
2005-06-16

Production of catalyst for removal of introgen oxides

#751
20050119117
2005-06-02

Particulate matter-oxidizing material and oxidizing catalyst

#752
20050101473
2005-05-12

Catalyst for selective NOreduction using hydrocarbons

#753
20050090393
2005-04-28

Catalyst for the reduction of NO to Nwith hydrogen under NOx oxidation conditions

#754
20050089456
2005-04-28

Exhaust gas purifcation apparatus of internal combustion engine and catalyst for purifying exhaust gas of internal combustion engine

#755
20050031513
2005-02-10

Gasoline engine with an exhaust system for combusting particulate matter

#756
17137028
2022-02-15

Core-shell structured catalyst, preparation method thereof and method for treating industrial tail gas

#757
15643108
2018-08-07

Catalytic nanosheets to lower soot light off temperatures, method for making nanosheets to lower soot light off temperatures

#758
15605178
2018-09-11

CeO-NiO mixed oxide catalysts for direct NOx decomposition