Filter and method of making same
US4305782A · kind A · utility
79Cited by
7References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1980 |
| Grant date | Dec 15, 1981 |
| Priority date | — |
| Expiry date | May 8, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2239/1233
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter media sheet comprising fine particulate and a self-bonding matrix of cellulose fiber, the surfaces of at least one of which are modified with cationic colloidal silica.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.