ClassID:

242345

Y10S502/52712 - CPC Classification

Classification description:

Catalyst, solid sorbent, or support therefor: product or process of making Plural layers on a support, each layer having a distinct function

Sub-classes:
Recent Application in this class:
#1
20190358616
2019-11-28

Oxidation catalyst for internal combustion engine exhaust gas treatment

#2
20190255485
2019-08-22

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#3
20180104677
2018-04-19

Oxidation catalyst for internal combustion engine exhaust gas treatment

#4
20170087512
2017-03-30

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#5
20150298059
2015-10-22

Catalysed soot filter for treating the exhaust gas of a compression ignition engine

#6
20150290627
2015-10-15

Systems and methods for using copper-manganese spinel as active phase for diesel oxidation applications

#7
20150224478
2015-08-13

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#8
20150202604
2015-07-23

Oxidation catalyst for internal combustion engine exhaust gas treatment

#9
20150105247
2015-04-16

Methods and processes of coating zero-PGM catalysts including with Cu, Mn, Fe for TWC applications

#10
20150105243
2015-04-16

Systems and methods for zero-PGM binary catalyst having Cu, Mn, and Fe for TWC applications

#11
20150017082
2015-01-15

Process for elimination of hexavalent chromium compounds on metallic substrates within zero-PGM catalyst systems

#12
20140301923
2014-10-09

Selective catalytic reduction catalyst system

#13
20140274665
2014-09-18

Selective catalytic reduction catalyst system

#14
20140271425
2014-09-18

Methods for oxidation and two-way and three-way ZPGM catalyst systems and apparatus comprising same

#15
20140271422
2014-09-18

Selective catalytic reduction catalyst system

#16
20140178273
2014-06-26

Ammonia oxidation catalyst system

#17
20140171301
2014-06-19

Gas purifying catalyst for internal combustion engine

#18
20140170044
2014-06-19

Catalyst compositions, catalytic articles, systems and processes using protected molecular sieves

#19
20140161695
2014-06-12

Diesel oxidation catalyst comprising palladium, gold and ceria

#20
20140140911
2014-05-22

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#21
20140130760
2014-05-15

Oxidation catalyst for internal combustion engine exhaust gas treatment

#22
20140113807
2014-04-24

Exhaust emission control catalyst

#23
20140065044
2014-03-06

Ammonia oxidation catalyst, exhaust gas purification device using same, and exhaust gas purification method

#24
20140057776
2014-02-27

Exhaust gas purification catalyst

#25
20140044635
2014-02-13

Ammonia oxidation catalyst, exhaust gas purification device using same, and exhaust gas purification method

#26
20140044630
2014-02-13

Catalyzed substrate and exhaust system for internal combustion engine

#27
20130336863
2013-12-19

SCR catalytic converter having improved hydrocarbon resistance

#28
20130310248
2013-11-21

Double layered exhaust gas purification catalyst

#29
20130287660
2013-10-31

Three-way catalyst having an upstream single-layer catalyst

#30
20130280150
2013-10-24

Catalytically active particulate filter and use thereof

#31
20130189173
2013-07-25

Lean HC conversion of TWC for lean burn gasoline engines

#32
20130089481
2013-04-11

Oxidation catalyst for internal combustion engine exhaust gas treatment

#33
20120202683
2012-08-09

Layered catalyst

#34
20120128557
2012-05-24

Three-way catalyst having an upstream single-layer catalyst

#35
20120040824
2012-02-16

Exhaust gas-purifying catalyst

#36
20110237431
2011-09-29

Honeycomb structural body for exhaust gas purification

#37
20110217216
2011-09-08

Carbon monoxide conversion catalyst

#38
20110212008
2011-09-01

Catalyzed soot filter

#39
20110107752
2011-05-12

Small engine layered catalyst article and method of making

#40
20110082031
2011-04-07

Method and system for monitoring a hydrocarbon adsorber

#41
20090173065
2009-07-09

Exhaust gas catalyst and exhaust gas processing apparatus using same