Exhaust gas purifying catalyst and manufacturing method thereof
US7851405B2 · kind B2 · utility
65Cited by
2References
21Claims
0Family size
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Key dates
| Filing date | Jan 25, 2008 |
| Grant date | Dec 14, 2010 |
| Priority date | — |
| Expiry date | Feb 5, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24157
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust gas purifying catalyst that includes noble metal particles, first compounds which support the noble metal particles and suppress movement of the noble metal particles, and second compounds which encapsulate the noble metal particles and the first compounds. The second compounds suppress the movement of the noble metal particles and suppress coagulation of the first compounds following mutual contact of the first compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.