ClassID:

30383

B01D2255/20 - CPC Classification

Classification description:

Catalysts Metals or compounds thereof

Sub-classes:
Recent Application in this class:
#1
20260145131
2026-05-28

ATMOSPHERIC CARBON DIOXIDE CAPTURE SYSTEM

#2
20220040615
2022-02-10

FACE MASK

#3
20200330921
2020-10-22

Holding material for pollution control element, production method thereof, and pollution control apparatus

#4
20190282722
2019-09-19

GAS PROCESSING APPARATUS

#5
20180051614
2018-02-22

Emissions control substrate

#6
20160288113
2016-10-06

Honeycomb structural body and method for manufacturing the same

#7
20140371058
2014-12-18

Catalyst structure for treating exhaust gas

#8
20130036908
2013-02-14

Method and apparatus for control and elimination of undesirable substances

#9
20120232322
2012-09-13

Desulphurisation process

#10
20120093696
2012-04-19

SYSTEM FOR DEGRADING AND REMOVING TOXIC SUBSTANCE BY MEANS OF THERMAL EXCITATION OF CHROMIUM OXIDE OR NICKEL OXIDE

#11
20110262332
2011-10-27

Apparatus and Method for the Treatment of Gas

#12
20110206585
2011-08-25

Metal recovery method, metal recovery apparatus, gas exhaust system and film forming device using same

#13
20110083936
2011-04-14

Process and Facility for Removing One or More Compounds

#14
20110041487
2011-02-24

Catalyst apparatus and exhaust gas purification system for internal combustion engine

#15
20100234214
2010-09-16

Mercury adsorbents compatible as cement additives

#16
20100233052
2010-09-16

Mercury adsorbents compatible as cement additives

#17
20100158775
2010-06-24

Catalyst Systems and Methods for Treating Aircraft Cabin Air

#18
20100150801
2010-06-17

FORMED CATALYST FOR NOx REDUCTION

#19
20100148121
2010-06-17

REACTOR EMPLOYING CATALYSTS UPON OR WITHIN A CLOTH-LIKE MATERIAL

#20
20100111797
2010-05-06

ADDITIVE-CONTAINING ANIONIC CLAYS FOR REDUCING SOX EMISSIONS FROM AN FCC REGENERATOR AND PROCESS FOR MAKING THEM

#21
20100101413
2010-04-29

METHOD AND APPARATUS FOR CONTROL AND ELIMINATION OF UNDESIRABLE SUBSTANCES

#22
20100098618
2010-04-22

SULFUR REMOVAL FROM GASES

#23
20090324469
2009-12-31

Zero platinum group metal catalysts

#24
20090311156
2009-12-17

Removal of contaminants from gas streams

#25
20090291824
2009-11-26

HONEYCOMB STRUCTURE

#26
20090285738
2009-11-19

Direct oxidation of sulfur with carbon dioxide recycle

#27
20090263303
2009-10-22

Purification Device and Method for Purifying a Fluid Stream

#28
20090185968
2009-07-23

Application of a metallic anchor layer from a wire feed source to a metallic surface

#29
20090163357
2009-06-25

Sol-gel based oxidation catalyst and coating system using same

#30
20080317646
2008-12-25

Catalytic converter and manufacturing method thereof

#31
20080311011
2008-12-18

Photocatalytic reactor with movable conformal light guiding plate

#32
20080299016
2008-12-04

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

#33
20080292519
2008-11-27

Bifunctional catalysts for selective ammonia oxidation

#34
20080156699
2008-07-03

Process and facility for removing one or more compounds

#35
20080134888
2008-06-12

Mercury adsorbents compatible as cement additives

#36
20080132409
2008-06-05

Fibrous Catalyst

#37
20080038172
2008-02-14

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

#38
20070281855
2007-12-06

Sol-gel based oxidation catalyst and coating system using same

#39
20070274889
2007-11-29

Catalyst and method for catalytic reduction of nitrogen oxides

#40
20070149391
2007-06-28

Low temperature ammonia remediation catalysts

#41
20060008401
2006-01-12

Decomposition catalyst for nitrous oxide, process for producing the same and process for decomposing nitrous oxide

#42
20050137083
2005-06-23

Catalyst system for the reduction of NO