Combination of a sulfonated surfactant composition and star macromolecules
US11441065B2 · kind B2 · utility
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Key dates
| Filing date | Oct 3, 2017 |
| Grant date | Sep 13, 2022 |
| Priority date | — |
| Expiry date | Feb 22, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2438/01
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a composition comprising at least one sulfonated surfactant composition and one or more multi-arm star macromolecules having a core and a plurality of polymeric arms, and methods of preparing and using the same. In one aspect of the invention, this composition is capable of increasing the viscosity, and/or temperature-stability to an aqueous system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.