Back to results
US 10,537,511 B2Granted
Hair dyeing process using at least one dye, a titanium salt and an insoluble silicate
AssigneeL'oreal
InventorsBoris Lalleman, Alain LaGrange
Life of this patent
Estimating the term…
Abstract
The present invention relates to a process for dyeing keratin fibres, in particular human keratin fibres such as the hair, in which said fibres are treated using one or more cosmetic compositions comprising a) one or more dye(s), b) one or more titanium salts and optionally b1) at least one carboxylic acid, and c) one or more insoluble silicates and d) optionally one or more chemical oxidizing agents such as hydrogen peroxide or one or more hydrogen peroxide-generating systems.
Claims16
A method for dyeing keratin fibers, comprising applying to the fibers:
- a) at least one dye chosen from oxidation dyes or direct dyes, of synthetic or natural origin;
- b) at least one organic titanium salt chosen from compounds according to formula (I-A) below:
- wherein:
- A is chosen from a monovalent group when n is zero or a polyvalent group when n is greater than or equal to 1;
- a saturated or unsaturated, cyclic or non-cyclic, and aromatic or non-aromatic hydrocarbon-based group comprising from 1 to 50 carbon atoms which is optionally interrupted with at least one heteroatom and/or optionally substituted;
- n, n′, and n″ may be identical or different, n is an integer ranging from 0 to 4, n′ and n″ are integers chosen from 1, 2, 3, or 4, wherein n′+n″=6;
- M1 and M2, which may be identical or different, are chosen from a cationic counterion;
- and
- TiYn″ is chosen from Ti(OH)n″, Ti(O)n″/2, or Ti(OH)m1(O)m2 with m1+m2=n′;
- b1) at least one carboxylic acid according to formula (I) below, or salts thereof:
- wherein:
- A is chosen from monovalent (C1-C6)alkyl groups or polyvalent (C1-C6)alkylene groups optionally substituted with at least one hydroxyl group;
- and
- n is an integer ranging from 0 to 5;
- and
- c) at least one insoluble silicate chosen from clays of the smectite, vermiculite, stevensite, chlorite, palygorskite, or sepiolite family.
13 more elements
A cosmetic composition for dyeing keratin fibers, comprising:
- a) at least one dye chosen from oxidation dyes or direct dyes, of synthetic or natural origin;
- b) at least one organic titanium salt chosen from compounds according to formula (I-A) below:
- wherein:
- A is chosen from a monovalent group when n is zero or a polyvalent group when n is greater than or equal to 1;
- a saturated or unsaturated, cyclic or non-cyclic, and aromatic or non-aromatic hydrocarbon-based group comprising from 1 to 50 carbon atoms which is optionally interrupted with at least one heteroatom and/or optionally substituted;
- n, n′, and n″ may be identical or different, n is an integer ranging from 0 to 4, n′ and n″ are integers chosen from 1, 2, 3, or 4, wherein n′+n″=6;
- M1 and M2, which may be identical or different, are chosen from a cationic counterion;
- and
- TiYn″ is chosen from Ti(OH)n″, Ti(O)n″/2, or Ti(OH)m1(O)m2 with m1+m2=n′;
- b1) at least one or carboxylic acid according to formula (I) below, or salts thereof:
- wherein:
- A is chosen from monovalent (C1-C6)alkyl groups or polyvalent (C1-C6)alkylene groups optionally substituted with at least one hydroxyl group;
- and
- n is an integer ranging from 0 to 5;
- and
- c) at least one insoluble silicate chosen from clays of the smectite, vermiculite, stevensite, chlorite, palygorskite, or sepiolite family.
13 more elements
Dependencies are inferred from the claim text.