Element for filtering and/or purifying hot gases, and a process for manufacturing same
US5165899A · kind A · utility
16Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1990 |
| Grant date | Nov 24, 1992 |
| Priority date | — |
| Expiry date | Aug 30, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/12431
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An element is disclosed for filtering and/or purifying hot gases, comprising a fibrous structure with a predetermined degree of porosity and formed of metal alloy fibrils of the MCrAlX type, in which M is a matrix chosen from iron and/or nickel and/or cobalt, and X is an element reinforcing the adhesion of the oxide layer which is formed on the fibrils in contact with the hot gases, chosen from zirconium, yttrium, cerium, lanthanum and misch metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.