Methods for reducing the amount of contaminants in water
US6821427B2 · kind B2 · utility
14Cited by
15References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 2004 |
| Grant date | Nov 23, 2004 |
| Priority date | — |
| Expiry date | Apr 20, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/001
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
In one aspect the present invention provides purification devices for reducing the amount of contaminants in water, each device includes a water-soluble flocculant disposed within a body defining a multiplicity of pores, wherein the pores have an average diameter in the range of from 1 &mgr;m to 2000 &mgr;m. The present invention also provides methods for reducing the amount of contaminants in water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.