Dye composition comprising a particular amphoteric surfactant and a sulfate or sulfonate surfactant
US9999583B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2014 |
| Grant date | Jun 19, 2018 |
| Priority date | — |
| Expiry date | Jul 21, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/596
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a composition for dyeing keratin fibers, comprising: a) one or more liquid fatty substances; b) one or more amphoteric surfactants of formula (I) below: Ra′—C(O)—NH—CH2—(CH2)n—N(B)(B′) in which: —B represents the group —CH2—CH2—O—X′; —B′ represents the group —(CH2)zY′, with z=1 or 2; —X′ represents the group —CH2—C(O)OH, —CH2—C(O)OZ′, —CH2—CH2—C(O)OH or —CH2—CH2—C(O)OZ′, or a hydrogen atom; —Y′ represents the group —C(O)OH, —C(O)OZ″, —CH2—CH(OH)—SO3H or the group —CH2—CH(OH)—SO3—Z″; —Z′ and Z″ represent, independently of each other, a cationic counterion derived from an alkali metal or alkaline-earth metal, such as sodium, an ammonium ion or an ion derived from an organic amine; —Ra′, represents a C10-C30 alkyl or alkenyl group derived from an acid Ra′—C(O)OH, which is preferably present in copra oil or in hydrolyzed linseed oil, an alkyl group, especially a C17 group and its iso form, or an unsaturated C17 group and —n represents an integer ranging from 1 to 10 and preferably from 1 to 5, —or quaternized forms thereof; c) one or more sulfate or sulfonate surfactants; d) one or more oxidation dye precursors. The present invention also relates to a p…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.