Method of preparation of cationic polymers with reduced halides content
US10836871B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Sep 20, 2017 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Nov 13, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2347/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a polymer preparation method for preparing water-soluble cationic polymers P1 wherein the halides content is reduced, as well as to the use of these polymers as additives in compositions that are based on inorganic mineral binders or in the treatment of aqueous open, semi-closed, or closed circuits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.