Reshapable hair styling composition comprising aqueous colloidal dispersions of sulfonated polyurethane urea
US6517821B1 · kind B1 · utility
12Cited by
66References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2000 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Jul 27, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/87
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A reshapable hair styling composition comprising, in a cosmetic vehicle appropriate for hair, at least one sulfonated polyurethane urea obtained by reacting: (a) at least one sulfonated polyol, (b) at least one non-sulfonated polyol, (c) at least one polyisocyanate selected from aliphatic and cycloaliphatic polyisocyanates, and (d) excess water, wherein the sulfonated polyurethane urea has been chain-extended.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.