Dyeing composition for keratinous fibres comprising an associative polymer and a polymer with acrylamide units, dialkyldiallylammonium halide, and vinylic carboxylic acid
US7364594B2 · kind B2 · utility
3Cited by
67References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2001 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | Mar 2, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention concerns a composition for dyeing and in particular oxidation dyeing of keratinous fibers, in particular human keratinous fibers and more particularly hair, comprising, in a medium suitable for dyeing, at least an oxidation dye and/or a direct dye and at least an associative polymer, characterised in that it further comprises a polymer with acrylamide units (i), (ii) dialkyldiallylammonium halide, and (iii) vinylic carboxylic acid. The invention also concerns dyeing methods and devices using said dyeing composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.