Metallic honeycomb body for supporting catalyst and production method thereof
US5665669A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 12, 1994 |
| Grant date | Sep 9, 1997 |
| Priority date | — |
| Expiry date | Oct 12, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J35/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A metallic honeycomb body for supporting a catalyst comprises a flat plate and a corrugated plate; these plates are formed by a foil of stainless steel in which the steel contains more than 1% of Si and the surface of the steel is covered by a film which is mainly formed by an oxide chrome at a high temperature, and are mutually bonded by diffusion bonding. The chemical composition of the foil material is comprised of up to 0.2% of C, more than 1 to 5% of Si, 9 to 22% of Cr, up to 0.8% of Al, and as necessary, at least one member selected from the group of Nb, V, Mo W and REM (rare earth member) including Y. The metallic honeycomb body is formed by which said body is annealed at a vacuum degree of 10.sup.-2 to 10.sup.-4 Torr and in a temperature range of 1200.degree. to 1300.degree. C. for 1 to 30 minutes in a vacuum annealing furnace.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.