Amphiphilic cationic associative polymers, preparation process, use as thickeners and composition comprising them
US6939938B2 · kind B2 · utility
13Cited by
4References
56Claims
0Family size
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Key dates
| Filing date | Jan 21, 2003 |
| Grant date | Sep 6, 2005 |
| Priority date | — |
| Expiry date | Jan 21, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5426
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel water-soluble or water-dispersible amphiphilic cationic associative polymers, a process for preparing them and their use in compositions for topical application, such as for cosmetic use, as thickeners, and the compositions comprising these polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.