Apparatus for purifying exhaust waste gases
US3969082A · kind A · utility
31Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1973 |
| Grant date | Jul 13, 1976 |
| Priority date | — |
| Expiry date | Jul 2, 1993 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02B1/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for purifying exhaust waste gases including a catalytic element comprising a substrate of metal carrying a surface layer compatible with and supporting a coating of catalytic material, a major proportion of the surface coating of catalytic material comprising an unagglomerated atomic dispersion. An example of such a substrate is an aluminum bearing ferritic steel which has been heat treated in air to form an essentially alumina surface layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.