Coated calcium hypochlorite composition
US8252200B2 · kind B2 · utility
2Cited by
63References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2006 |
| Grant date | Aug 28, 2012 |
| Priority date | — |
| Expiry date | Nov 21, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2305/14
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
The present invention is directed to a water treatment composition, comprising: calcium hypochlorite coated with a coating comprising at least one hydrated or anhydrous salt. The present invention is also directed to a water treatment composition, comprising: (a) an inner core layer comprising calcium hypochlorite; (b) one or more interlayers of selected salts positioned on top of said inner core layer, and (c) one or more outer layers of selected salts positioned on top of said interlayer(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.