Aqueous dispersion of multistage polymer
US11499043B2 · kind B2 · utility
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Key dates
| Filing date | Dec 25, 2017 |
| Grant date | Nov 15, 2022 |
| Priority date | — |
| Expiry date | Aug 28, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An aqueous dispersion of a hydrophobically-modified alkali-soluble multistage polymer useful as a thickener affording high thickening efficiency and an aqueous coating composition comprising such aqueous dispersion showing good stability after heat aging without compromising stability upon addition of colorants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.