Treatment additives, methods for making and methods for clarifying aqueous media
US8557125B2 · kind B2 · utility
1Cited by
4References
11Claims
0Family size
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Key dates
| Filing date | Jun 7, 2010 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Sep 22, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/365
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A coagulant composition includes chitosan, methacryloyloxyethyltrimethyl ammonium methyl sulfate and a redox initiator. A coagulant, method for making the coagulant and clarifying wastewater is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.