EP 4228810 A1 20230823 - PASSIVE NITROGEN OXIDE ADSORBER
Title (en)
PASSIVE NITROGEN OXIDE ADSORBER
Title (de)
PASSIVER STICKOXIDABSORBER
Title (fr)
ADSORBEUR D'OXYDE D'AZOTE PASSIF
Publication
Application
Priority
- EP 20201663 A 20201014
- EP 2021078388 W 20211014
Abstract (en)
[origin: WO2022079141A1] The present invention relates to a passive nitrogen oxide adsorber for the passive storage of nitrogen oxides from the exhaust gas of a combustion engine, which comprises a carrier substrate of length L, cesium, palladium, and a zeolite of the structure type RHO. The catalyst is used in an exhaust gas system which comprises an SCR catalyst.
IPC 8 full level
B01J 29/74 (2006.01); B01D 53/94 (2006.01); B01J 20/32 (2006.01); B01J 23/44 (2006.01); B01J 23/58 (2006.01); B01J 29/60 (2006.01); B01J 29/82 (2006.01); B01J 35/04 (2006.01); B01J 37/02 (2006.01); C01B 33/26 (2006.01); C01B 39/48 (2006.01); F01N 3/08 (2006.01)
CPC (source: EP)
B01D 53/02 (2013.01); B01D 53/9477 (2013.01); B01D 53/9481 (2013.01); B01J 23/44 (2013.01); B01J 23/58 (2013.01); B01J 29/74 (2013.01); B01J 29/82 (2013.01); B01J 35/19 (2024.01); B01J 35/56 (2024.01); B01J 37/0244 (2013.01); B01J 37/0246 (2013.01); F01N 3/035 (2013.01); F01N 3/0814 (2013.01); F01N 3/0842 (2013.01); F01N 3/2066 (2013.01); F01N 3/28 (2013.01); B01D 2253/1085 (2013.01); B01D 2253/1122 (2013.01); B01D 2255/1023 (2013.01); B01D 2255/50 (2013.01); B01D 2255/91 (2013.01); B01D 2258/012 (2013.01); B01J 35/30 (2024.01); B01J 2229/186 (2013.01); B01J 2229/42 (2013.01); F01N 2510/06 (2013.01); F01N 2510/063 (2013.01); Y02A 50/20 (2018.01); Y02T 10/12 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2022079141 A1 20220421; EP 4228810 A1 20230823; JP 2023546321 A 20231102
DOCDB simple family (application)
EP 2021078388 W 20211014; EP 21786991 A 20211014; JP 2023516215 A 20211014