Surfactant responsive emulsion polymerized micro-gels
US10265263B2 · kind B2 · utility
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4References
24Claims
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Key dates
| Filing date | Sep 13, 2012 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Aug 2, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/80
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A stable, aqueous composition containing a crosslinked, nonionic, amphiphilic polymer capable of forming a yield stress fluid in the presence of a surfactant is disclosed. The yield stress fluid is capable of suspending insoluble materials in the form of particulates and/or droplets requiring suspension or stabilization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.