EP 4096811 A1 20221207 - DOUBLE-LAYER THREE-WAY CATALYST WITH FURTHER IMPROVED AGEING STABILITY
Title (en)
DOUBLE-LAYER THREE-WAY CATALYST WITH FURTHER IMPROVED AGEING STABILITY
Title (de)
DOPPELSCHICHTIGER DREIWEG-KATALYSATOR MIT WEITER VERBESSERTER ALTERUNGSSTABILITÄT
Title (fr)
CATALYSEUR À TROIS VOIES DOUBLE COUCHE PRÉSENTANT UNE MEILLEURE STABILITÉ AU VIEILLISSEMENT
Publication
Application
Priority
- DE 102020101876 A 20200127
- EP 2021051728 W 20210126
Abstract (en)
[origin: WO2021151876A1] The present invention relates to a catalyst comprising two layers on an inert catalyst carrier, a layer A containing at least palladium as a platinum group metal, in addition to a cerium/zirconium/lanthanum/yttrium mixed oxide, and a layer B, which is applied to layer A, containing at least rhodium as the platinum group metal, in addition to a cerium/zirconium/lanthanum/yttrium mixed oxide.
IPC 8 full level
B01D 53/94 (2006.01); B01J 23/63 (2006.01); B01J 35/00 (2006.01); B01J 37/02 (2006.01); F01N 3/10 (2006.01)
CPC (source: EP KR US)
B01D 53/945 (2013.01 - EP KR US); B01J 21/066 (2013.01 - EP KR); B01J 23/10 (2013.01 - US); B01J 23/44 (2013.01 - US); B01J 23/464 (2013.01 - US); B01J 23/63 (2013.01 - EP KR); B01J 35/19 (2024.01 - EP KR US); B01J 37/0244 (2013.01 - EP KR); F01N 3/101 (2013.01 - EP KR US); F01N 3/2803 (2013.01 - US); B01D 2255/1021 (2013.01 - EP KR US); B01D 2255/1023 (2013.01 - EP KR US); B01D 2255/1025 (2013.01 - EP KR US); B01D 2255/2061 (2013.01 - EP KR US); B01D 2255/2063 (2013.01 - EP KR US); B01D 2255/2065 (2013.01 - EP KR US); B01D 2255/20715 (2013.01 - EP KR US); B01D 2255/2092 (2013.01 - US); B01D 2255/407 (2013.01 - EP KR US); B01D 2255/9022 (2013.01 - EP KR US); B01D 2255/908 (2013.01 - EP KR US); F01N 2370/02 (2013.01 - US); Y02T 10/12 (2013.01 - EP KR)
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)
DE 102020101876 A1 20210729; CN 114828988 A 20220729; EP 4096811 A1 20221207; JP 2023511668 A 20230322; KR 20220128670 A 20220921; US 2023045409 A1 20230209; WO 2021151876 A1 20210805
DOCDB simple family (application)
DE 102020101876 A 20200127; CN 202180007219 A 20210126; EP 2021051728 W 20210126; EP 21703381 A 20210126; JP 2022544383 A 20210126; KR 20227029757 A 20210126; US 202117758826 A 20210126