Water-purifying material, a process for manufacturing the same and a process for purifying water
US5342528A · kind A · utility
40Cited by
16References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1993 |
| Grant date | Aug 30, 1994 |
| Priority date | — |
| Expiry date | Apr 1, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/505
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A water purifying material containing (1) an activated carbon having (a) silver and/or an inorganic silver compound and (b) a water soluble alkaline earth metal salt supported thereon and (2) a bone-char, which can significantly inhibit the dissolution of silver and can be used for a long period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.