Composition for treatment of water
US8691173B2 · kind B2 · utility
3Cited by
0References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2008 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Aug 11, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/28
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a composition for treatment of water comprising rice husk ash and at least one bactericidal agent bonded to the rice husk ash. The bactericidal agent bonded to the rice husk ash is preferably silver and more particularly the bactericidal agent is nano silver. The invention also relates to a method of water purification using a composition comprising rice husk ash and at least one bactericidal agent bonded to the rice husk ash.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.