ClassID:

29787

B01D53/949 - CPC Classification

Classification description:

Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,; Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes; Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start for storing sulfur oxides

Recent Application in this class:
#1
20180036680
2018-02-08

Diesel oxidation catalyst having a capture region for sulfur containing impurities

#2
20160175776
2016-06-23

Method for operating an exhaust gas after-treatment system for an internal combustion engine

#3
20120216516
2012-08-30

EXHAUST PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

#4
20120190541
2012-07-26

Sulfur resistant cladded titania—alumina supports

#5
20120085102
2012-04-12

METHOD FOR PURIFYING FLUE GASES OF A GAS ENGINE

#6
20110113757
2011-05-19

Exhaust purification device of internal combustion engine

#7
20100326057
2010-12-30

Exhaust Gas Purification Device

#8
20100257847
2010-10-14

Exhaust purification system of internal combustion engine

#9
20100205947
2010-08-19

S storage catalyst and exhaust-gas converting apparatus

#10
20100137132
2010-06-03

Sulfur storage catalyst

#11
20100034712
2010-02-11

Exhaust-gas converting apparatus

#12
20090277163
2009-11-12

Exhaust gas purification device

#13
20090255235
2009-10-15

Sulfur-resistant exhaust gas aftertreatment system for the oxidation of NO

#14
20090247403
2009-10-01

Honeycomb structure

#15
20090031705
2009-02-05

Exhaust Gas Purification Device of Compression Ignition Type Internal Combustion Engine

#16
20060254258
2006-11-16

Exhaust system for lean burn IC engines

#17
20060177367
2006-08-10

Octahedral molecular sieve sorbents and catalysts

#18
20050170954
2005-08-04

Exhaust gas cleaning catalyst

#19
20050169826
2005-08-04

Sulfur oxide adsorbents and emissions control

#20
20050164879
2005-07-28

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

#21
20050145827
2005-07-07

SOtrap for diesel and lean-burn gasoline automotive applications