Ceramic filter for a dust-containing gas and method for its production
US5073178A · kind A · utility
27Cited by
9References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 1990 |
| Grant date | Dec 17, 1991 |
| Priority date | — |
| Expiry date | Apr 5, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/09
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A ceramic filter for a dust-containing gas, which comprises a filter base having an average pore size of from 10 to 100 .mu.m, with the pore size ratio at positions of 75 vol % and 25 vol % of the accumulated pore size distribution being at least 1.3, and a filter layer having an average pore size of from 0.2 to 10 .mu.m fixed at least to the filtering side surface of the filter base so that the filter layer fills the pores open on the surface of the filter base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.