Method of water purification with oxides of chlorine
US5858246A · kind A · utility
67Cited by
19References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1997 |
| Grant date | Jan 12, 1999 |
| Priority date | — |
| Expiry date | Jan 14, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/722
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method of purifying water includes contacting water containing an oxide of chlorine, such as chlorine dioxide, chlorite, or chlorate, with a water purification composition that includes a Group 11 or Group 12 metal such as silver, copper, or zinc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.