Patent · US Active

Alumina-based fibrous mass, process for producing same, and use

US9827553B2 · kind B2 · utility

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4References
1Claims
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Key dates

Filing dateOct 31, 2013
Grant dateNov 28, 2017
Priority date
Expiry dateOct 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.