Use of polymer powder compositions that can be redispersed in water and have cationic functionality, as flocculation aid
US10463991B2 · kind B2 · utility
0Cited by
5References
6Claims
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Key dates
| Filing date | Oct 6, 2015 |
| Grant date | Nov 5, 2019 |
| Priority date | — |
| Expiry date | Dec 30, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/343
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to the use of polymer powder compositions that can be redispersed in water and have cationic functionality, as flocculation aid, for example for dewatering waters or waste waters that are laden with solids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.