Base Metal Activated Rhodium Coatings for Catalysts in Three-Way Catalyst (TWC) Applications
US-2015352533-A1 · Dec 10, 2015 · US
Exhaust gas treatment catalyst
US9101916B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9101916-B2 |
| Application number | US-201214365738-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 14, 2012 |
| Priority date | Dec 16, 2011 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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Catalyst system suitable especially for the removal of CO compounds, comprising or consisting of an oxide, preferably of fluorite crystalline structure, conforming to the following molar formulation: Ce 1−u M y A z D v O 2−x , wherein Ce is cerium, A represents at least one element possessing a plurality of oxidation states and selected from Ti, Ga, In, V, Cr, Mn, Fe, Sn, Co, Ni, Cu, M represents at least one element selected from Gd, Y, Sc, Sm, Nd, Pr, Zn, D represents at least one element other than A and selected from Pt, Pd, Rh, Ru, Cu, Fe, Ag, and Au, u is between 0.05 and 0.45, y is between 0.01 and 0.4, Z is greater than 0 and less than 0.4, v is between 0.001 and 0.4, and x is greater than 0.
First claim
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The invention claimed is: 1. A catalyst system, comprising an oxide of fluorite crystalline structure of formula: Ce 1−u M y A z D v O 2−x , wherein: Ce is cerium, u is between 0.05 and 0.45, M is at least one element selected from the group consisting of Gd, Y, Sc, Sm, Nd, Pr, and Zn, y is between 0.01 and 0.4, A is at least one element possessing a plurality of oxidation states selected from the group consisting of Ti, Ga, In, V, Cr, Mn, Fe, Sn, Co, Ni, and Cu, z…
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Operations & Transport · mapped topic
Operations & Transport · mapped topic
Mechanical Engineering · mapped topic
Operations & Transport · mapped topic
Operations & Transport · mapped topic
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- What does patent US9101916B2 cover?
- Catalyst system suitable especially for the removal of CO compounds, comprising or consisting of an oxide, preferably of fluorite crystalline structure, conforming to the following molar formulation: Ce 1−u M y A z D v O 2−x , wherein Ce is cerium, A represents at least one element possessing a plurality of oxidation states and selected from Ti, Ga, In, V, Cr, Mn, Fe, Sn, Co, Ni, Cu, M repr…
- Who is the assignee on this patent?
- Saint Gobain Ct Recherches, Centre Nat Rech Scient
- What technology area does this patent fall under?
- Primary CPC classification B01J23/894. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Aug 11 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).