Viscosity-reducing super-plasticising copolymers
US8563631B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Mar 31, 2010 |
| Grant date | Oct 22, 2013 |
| Priority date | — |
| Expiry date | Mar 31, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/30
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The invention mainly relates to the use of a (co)polymer having a main chain essentially consisting of (meth)acrylic units and polyoxyalkylated side-chains containing statistically-distributed hydrophobic units as an adjuvant for lowering the viscosity of hydraulic compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.