ClassID:

30381

B01D2255/104 - page 2 - CPC Classification

Classification description:

Catalysts; Noble metals or compounds thereof Silver

Recent Application in this class:
#301
20080127634
2008-06-05

Hybrid catalyst for NOx reduction using fuel hydrocarbons as reductant

#302
20080095687
2008-04-24

Oxidation catalyst for purifying exhaust gas

#303
20080070778
2008-03-20

Catalysts to reduce NOin an exhaust gas stream and methods of preparation

#304
20080069743
2008-03-20

Catalysts, systems and methods to reduce NOX in an exhaust gas stream

#305
20080069741
2008-03-20

Catalysts to reduce NOin an exhaust gas stream and methods of preparation

#306
20080053073
2008-03-06

Reformer assisted lean NOcatalyst aftertreatment system and method

#307
20080016848
2008-01-24

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

#308
20070281856
2007-12-06

Method of producing catalyst support particles and a catalyzer using the catalyst support particles

#309
20070232487
2007-10-04

Photocatalytic apatite composition as well as production method and article thereof

#310
20070181001
2007-08-09

Adsorptive filtering material having biological and chemical protective function and use thereof

#311
20070155625
2007-07-05

Catalyst and producing method thereof

#312
20070149385
2007-06-28

Catalyst system for reducing nitrogen oxide emissions

#313
20070113741
2007-05-24

Detachable filtering apparatus for an air conditioning system and an installment method thereof

#314
20070110651
2007-05-17

Multi-stage catalyst systems and uses thereof

#315
20070060473
2007-03-15

Catalyst produced by using multi-element metal colloid

#316
20070059223
2007-03-15

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

#317
20070031310
2007-02-08

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

#318
20070009400
2007-01-11

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

#319
20060286012
2006-12-21

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

#320
20060228283
2006-10-12

Catalyst and method for reducing nitrogen oxides in exhaust streams with hydrocarbons or alcohols

#321
20060222575
2006-10-05

Apparatus for photocatalytic reaction

#322
20060131179
2006-06-22

Method for low temperature, high activity and selectivity catalytic conversion using electrochemical (NEMCA) cells

#323
20060100097
2006-05-11

PGM-FREE WASHCOATS FOR CATALYZED DIESEL PARTICULATE FILTER APPLICATIONS

#324
20050288179
2005-12-29

Silver doped catalysts for treatment of exhaust

#325
20050279372
2005-12-22

Silver and silver oxide catalysts for the oxidation of carbon monoxide in cigarette smoke

#326
20050244313
2005-11-03

Configurations and methods for water purification

#327
20050163691
2005-07-28

NOx reduction composition for use in FCC processes

#328
20050135980
2005-06-23

Silver doped catalysts for treatment of exhaust

#329
20050101473
2005-05-12

Catalyst for selective NOreduction using hydrocarbons

#330
20050002843
2005-01-06

Catalytic process for nitrogen oxides reduction by multi-injection and use thereof