Layered composite oxide, oxidation catalyst, and diesel particulate filter
US9091195B2 · kind B2 · utility
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Key dates
| Filing date | Oct 3, 2011 |
| Grant date | Jul 28, 2015 |
| Priority date | — |
| Expiry date | Sep 1, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A layered composite oxide is provided which is excellent in oxygen ion conductivity and, is capable of effectively decreasing a PM oxidation temperature without using a noble metal such as platinum or the like. The layered composite oxide is used in an oxidation catalyst, DPF, a ternary catalyst, and a NOx purification catalyst. The layered composite oxide has a composition represented by the following formula (1), La1.5Sr1.5Mn2-yByO7 . . . (1) (wherein B represents Cu and/or Fe, and y satisfies 0<y≦0.2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.