Process for passivating porous ceramic articles and an article made therefrom
US7867936B2 · kind B2 · utility
0Cited by
5References
12Claims
0Family size
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Key dates
| Filing date | Nov 29, 2007 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Sep 23, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24149
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method for passivating a porous ceramic article containing microcracks including filling the microcracks with a liquid, such as water, and then applying a washcoat as described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.