ClassID:

30400

B01D2255/20715 - page 3 - CPC Classification

Classification description:

Catalysts; Metals or compounds thereof; Transition metals Zirconium

Recent Application in this class:
#601
20090084266
2009-04-02

Particulate filter

#602
20090084090
2009-04-02

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

#603
20090081087
2009-03-26

Exhaust gas purifier

#604
20090069174
2009-03-12

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

#605
20090041637
2009-02-12

Catalyst-supported particulate filter

#606
20090041636
2009-02-12

Catalyst-supported particulate filter

#607
20090036300
2009-02-05

Exhaust gas-purifying catalyst

#608
20090025375
2009-01-29

Catalyst composition and structure for a diesel-fueled autothermal reformer placed in and exhaust stream

#609
20090010801
2009-01-08

AIR CLEANER

#610
20090004083
2009-01-01

NOx control for IC engines

#611
20090000281
2009-01-01

Method for catalytic reduction of nitrogen oxides

#612
20080318771
2008-12-25

Particulate matter (PM) oxidizing catalyst

#613
20080318770
2008-12-25

Exhaust Gas-Purifying Catalyst

#614
20080318765
2008-12-25

NANOALLOYS IN EMISSIONS CONTROL AFTER-TREATMENT SYSTEMS

#615
20080317646
2008-12-25

Catalytic converter and manufacturing method thereof

#616
20080305949
2008-12-11

MERCURY REMOVAL SORBENT

#617
20080300132
2008-12-04

MERCURY REMOVAL SORBENT

#618
20080299028
2008-12-04

CATALYST AND PROCESS FOR THE CONVERSION OF NITROUS OXIDE

#619
20080295689
2008-12-04

Mercury removal sorbent

#620
20080286184
2008-11-20

Selective catalytic reduction type catalyst

#621
20080280750
2008-11-13

Catalysts for treating acid and halogen gases and production methods thereof

#622
20080279740
2008-11-13

DeNOx catalyst preparation method

#623
20080274878
2008-11-06

Platinum Based Catalyst for Oxidation/Reduction Reaction and Its Use

#624
20080269046
2008-10-30

EXHAUST GAS PURIFICATION CATALYST AND MANUFACTURING METHOD THEREOF

#625
20080260991
2008-10-23

Catalyst supporting honeycomb and method of manufacturing the same

#626
20080254978
2008-10-16

Exhaust gas purifying catalyst and method of producing the same

#627
20080226514
2008-09-18

Exhaust gas treatment catalyst

#628
20080213145
2008-09-04

Method of decomposing nitrogen dioxide

#629
20080207438
2008-08-28

Catalytic material and catalyst for purifying exhaust gas component

#630
20080202107
2008-08-28

SCR on low thermal mass filter substrates

#631
20080187714
2008-08-07

Exhaust gas purifying catalyst and manufacturing method thereof

#632
20080139382
2008-06-12

CATALYST FOR PURIFICATION OF EXHAUST GAS

#633
20080132405
2008-06-05

Catalyzed SCR filter and emission treatment system

#634
20080120970
2008-05-29

NOx Storage Materials and Traps Resistant to Thermal Aging

#635
20080090722
2008-04-17

Catalyst carrier and catalyst using the same

#636
20080056965
2008-03-06

Exhaust gas catalytic conversion system

#637
20080045404
2008-02-21

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

#638
20080028608
2008-02-07

Catalyst substrate having improved thermal durability

#639
20080026932
2008-01-31

NOx purifying catalyst

#640
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

#641
20070274890
2007-11-29

Exhaust gas purifying catalyst and exhaust gas purifying method

#642
20070274888
2007-11-29

Methods and sytems for the destruction of perfluorinated compounds

#643
20070265160
2007-11-15

Exhaust gas purification catalyst

#644
20070225159
2007-09-27

Exhaust Gas Purifying Catalyst and Production Process Thereof

#645
20070220871
2007-09-27

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

#646
20070215009
2007-09-20

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

#647
20070204870
2007-09-06

Catalysts to reduce carbon monoxide such as in the mainstream smoke of a cigarette

#648
20070197379
2007-08-23

Process for producing metal oxide particle and exhaust gas purifying catalyst

#649
20070197373
2007-08-23

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

#650
20070179054
2007-08-02

EXHAUST GAS PURIFICATION CATALYST

#651
20070173404
2007-07-26

Process for producing an SCR catalyst

#652
20070149391
2007-06-28

Low temperature ammonia remediation catalysts

#653
20070137184
2007-06-21

Method of forming a catalyzed selective catalytic reduction filter

#654
20070129246
2007-06-07

Exhaust gas purifying catalyst and production process thereof

#655
20070098611
2007-05-03

Stabilized flash calcined gibbsite as a catalyst support

#656
20070060473
2007-03-15

Catalyst produced by using multi-element metal colloid

#657
20070025901
2007-02-01

Catalyst and method for contact decomposition of nitrogen oxides

#658
20060228272
2006-10-12

Purifier

#659
20060198777
2006-09-07

Mercury removal sorbent

#660
20060035780
2006-02-16

Catalyst for purifying diesel engine exhaust emissions

#661
20050227867
2005-10-13

Exhaust gas treatment catalyst

#662
20050176581
2005-08-11

Catalyst carrier and method of producing same

#663
20050159310
2005-07-21

Catalyst carrier and method of producing same

#664
20050145827
2005-07-07

SOtrap for diesel and lean-burn gasoline automotive applications

#665
20050119120
2005-06-02

Exhaust gas purification catalytic material and method for fabricating the same

#666
20050070428
2005-03-31

Exhaust gas purifying catalyst

#667
20050031514
2005-02-10

Catalyzed SCR filter and emission treatment system

#668
20050031513
2005-02-10

Gasoline engine with an exhaust system for combusting particulate matter

#669
20050031501
2005-02-10

Exhaust gas-purifying catalyst system

#670
20050002839
2005-01-06

Catalyst for removing hydrocarbons from exhaust gas and method for purification of exhaust gas

#671
15861208
2019-08-13

Dosing method and apparatus for reductant urea solutions with catalyst precursors to assist selective catalytic reduction

#672
15427618
2018-03-13

Catalyst for automotive emissions control

#673
15377368
2018-01-09

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