Filter for purifying exhaust gas
US4363644A · kind A · utility
36Cited by
11References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 3, 1981 |
| Grant date | Dec 14, 1982 |
| Priority date | — |
| Expiry date | Feb 3, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24157
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter for purifying exhaust gas of an automobile or the like comprises a rigid ceramic supporting member provided with at least one flow passage and porous ceramic filtering material which is charged within the passage and sintered to the walls so as to be integrally connected to the supporting member. This filter shows excellent exhaust gas purifying efficiency as well as high mechanical strength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.