Exhaust gas purification catalyst composition and exhaust gas purification catalyst
US9682365B2 · kind B2 · utility
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2References
7Claims
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Key dates
| Filing date | Apr 17, 2014 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Apr 17, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T10/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Provided is a new catalyst that can have heightened purification performance for NOx under lean conditions. Proposed is an exhaust gas purification catalyst composition provided with: a carrier (A) comprising zirconium phosphate; a catalyst active component (a) supported on the carrier (A); a carrier (B) comprising an inorganic oxide porous body; and a catalyst active component (b) supported on the carrier (B).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.