WO2025153799 - MULTI-LAYER TWC FORMULATIONS WITH OPTIMALIZED PGM LOADINGS
National phase entry is expected:
Publication Number
WO/2025/153799
Publication Date
24.07.2025
International Application No.
PCT/GB2025/050039
International Filing Date
10.01.2025
Title **
[English]
MULTI-LAYER TWC FORMULATIONS WITH OPTIMALIZED PGM LOADINGS
[French]
FORMULATIONS DE TWC MULTICOUCHES AVEC CHARGEMENTS PGM OPTIMISÉS
Applicants **
JOHNSON MATTHEY PUBLIC LIMITED COMPANY
Inventors
LIU, Dongxia
VLACHOU, Maria C.
KOLPIN, Amy Louise
STONEHOUSE, Peter Charles
Priority Data
63/620,887
15.01.2024
US
Application details
| Total Number of Claims/PCT | * |
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| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| 译文 |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2432 | |
| EPO | Filing, Examination, Granting | 15245 | |
| Japan | Filing, Examination, Granting | 2585 | |
| South Korea | Filing, Examination, Granting | 2944 | |
| USA | Filing, Examination, Granting | 6540 |
Total:
29,746
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Abstract[English]
A catalyst article for treating exhaust gas comprising: a substrate comprising an inlet end, an outlet end with an axial length L; a first catalytic region comprising a first palladium component; a second catalytic region comprising a second rhodium component; a third catalytic region comprising a third palladium component; wherein the first catalytic region is adjacent to the second catalytic region; and wherein the first palladium component and the second rhodium component have a weight ratio of from 3:1 to 19:1, based on element.[French]
L'invention concerne un article catalyseur pour le traitement de gaz d'échappement comprenant : un substrat comprenant une extrémité d'entrée, une extrémité de sortie présentant une longueur axiale L ; une première région catalytique comprenant un premier composant de palladium ; une seconde région catalytique comprenant un second composant de rhodium ; une troisième région catalytique comprenant un troisième composant de palladium ; la première région catalytique étant adjacente à la seconde région catalytique ; et le premier composant de palladium et le second composant de rhodium présentant un rapport pondéral de 3:1 à 19:1, sur la base de l'élément.