Alumina-based fibrous mass, process for producing same, and use
US9827553B2 · kind B2 · utility
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Key dates
| Filing date | Oct 31, 2013 |
| Grant date | Nov 28, 2017 |
| Priority date | — |
| Expiry date | Oct 31, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2235/77
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
To provide an alumina-based fibrous mass having a high areal pressure and is usable as a holding material for an exhaust gas cleaners and a production process thereof; the alumina-based fibrous mass has a chemical composition containing an Al2O3 in an amount of 70% or more and less than 90% and having a total pore volume of 0.0055 mL/g or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.