Exhaust gas purifying catalyst
US11364489B2 · kind B2 · utility
4Cited by
10References
6Claims
0Family size
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Key dates
| Filing date | Oct 12, 2018 |
| Grant date | Jun 21, 2022 |
| Priority date | — |
| Expiry date | Feb 14, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01N2510/0682
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An exhaust gas purifying catalyst includes: a wall-flow structure substrate including an inlet cell, an outlet cell, and a porous partition; a first catalyst layer formed inside the partition such that a thickness of the first catalyst layer is between 40% and 60%, inclusive, of an overall thickness Tw of the partition; and a second catalyst layer formed inside the partition such that the second catalyst layer extends across an entire region of the partition in a thickness direction thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.