High water reduction powder preparation for dry mortar
US12391616B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Mar 26, 2020 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Dec 18, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2351/08
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
PCE-type copolymers in powder form can be obtained by spry-drying and are easily re-dispersed in water. The fineness and the anti-caking properties of said PCE-type copolymers in powder form, as well as their water reduction potential and influence on slump life are improved. A production process of said PCE-type copolymers in powder form is by a spray-drying method, and PCE-type copolymers can be used for the improvement of mineral binder compositions and especially dry mortars.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.