US 4,822,375 A · Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds

Abstract

Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds. Dyeing composition for keratinous fibres, and especially human hair, characterized in that it contains, in a cosmetically acceptable medium suitable for dyeing these fibres, at least one dye corresponding to the formula: ##STR1## in which R.sub.1 denotes a hydrogen atom or a lower alkyl group or a group --SiR.sub.9 R.sub.10 R.sub.11 ; R.sub.2 and R.sub.3, which may be identical or different, denote a hydrogen atom, a lower alkyl group, a carboxyl group, a lower alkoxycarbonyl group or a group -COOSiR.sub.9 - R.sub.10 R.sub.11 ; and R.sub.5, which may be identical or different, denote at least one linear or branched C.sub.1 -C.sub.20 alkyl group, a formyl group, a linear or branched C.sub.2 -C.sub.20 acyl group, a linear or branched C.sub.3 -C.sub.20 alkenoyl group, a group --SiR.sub.9 R.sub.10 R.sub.11, a group --P(O)(OR.sub.6).sub.2 or a group R.sub.6 OSO.sub.2 --, the other group R.sub.4 or R.sub.5 being able to be a hydrogen atom, R.sub.4 and R.sub.5 are not simultaneously acetyl, or alternatively R.sub.4 and R.sub.5, together with the oxygen atoms to which they are attached, form a ring optionally containing a carbonyl group, a thiocarbonyl group, a group>P(O)OR.sub.6 or>CR.sub.7 R.sub.8 ; R.sub.6 denoting a hydrogen atom or a lower alkyl group, R.sub.7 denoting a hydrogen atom or a lower alkyl group, and R.sub.8 denotes a lower alkoxy group or a mono- or dialkylamino group, R.sub.9, R.sub.10 and R.sub.11, which may be identical or different, denoting linear or branched lower alkyl groups, and the cosmetically acceptable salts of alkali metals, alkaline earth metal metals, ammonia or amines.

Claims25

Dependent claims

A dye composition for keratinous fibers comprises, in a cosmetically acceptable medium and in an amount ranging from 0.01 to 5 percent by weight based on the total weight of said composition, at least one dye having the formula ##STR5## wherein R.sub.1 represents hydrogen, lower alkyl or --SiR.sub.9 R.sub.10 R.sub.11,

R.sub.2 and R.sub.3, each independently, represent hydrogen, lower alkyl, lower alkoxy carbonyl or --COOSiR.sub.9 R.sub.10 R.sub.11,
R.sub.4 and R.sub.5, each independently, represent a member selected from the group consisting of linear or branched C.sub.1 -C.sub.20 alkyl, formyl, linear or branched C.sub.2 -C.sub.20 acyl, linear or branched C.sub.3 -C.sub.20 alkenoyl, --SiR.sub.9 R.sub.10 R.sub.11, --P(O)(OR.sub.6).sub.2 and R.sub.6 OSO.sub.2 --, or one of R.sub.4 and R.sub.5 is hydrogen and the other has the meaning given above, with the proviso that R.sub.4 and R.sub.5 are not simultaneously acetyl,
or R.sub.4 and R.sub.5 together with the oxygen atoms to which they are attached form a ring containing a carbonyl group, a thiocarbonyl group, a >P(O)OR.sub.6 group or a >CR.sub.7 R.sub.8 group,
R.sub.6 represents hydrogen or lower akyl,
R.sub.7 represents hydrogen or lower alkyl,
R.sub.8 represents lower alkoxy, monoalkylamino or dialkylamino,
R.sub.9, R.sub.10 and R.sub.11, each independently, represent linear or branched lower alkyl, and
the cosmetically acceptable alkali metal, alkaline earth metal, ammonia or amine salts of the dye of formula I,
said dye composition also including an effective amount of at least one of a surfactant, an anionic polymer, a nonionic polymer a cationic polymer, an amphoteric polymer, a thickening agent, a penetrating agent, a swelling agent, a sequestering agent, an antioxidant, a buffer, an electrolyte and a perfume.

6 more elements

A process for dyeing keratinous fibers comprising applying to said fibers in an amount effective to dye said fibers a dye composition comprising, in a cosmetically acceptable medium, at least one dye having the formula ##STR6## wherein R.sub.1 represents hydrogen, lower alkyl or --SiR.sub.9 R.sub.10 R.sub.11,

R.sub.2 and R.sub.3, each independently, represent hydrogen, lower alkyl, carbonyl, lower alkoxy carbonyl or --COOSiR.sub.9 R.sub.10 R.sub.11,
R.sub.4 and R.sub.5, each independently, represent a member selected from the group consisting of linear or branched C.sub.1 -C.sub.20 alkyl, formyl, linear or branched C.sub.2 -C.sub.20 acyl, linear or branched C.sub.3 -C.sub.20 alkenoyl, --SiR.sub.9 R.sub.10 R.sub.11, --P(O)(OR.sub.6).sub.2, or one of R.sub.4 and R.sub.5 is hydrogen and the other has the meaning given above, with the proviso that R.sub.4 and R.sub.5 are not simultaneously acetyl,
or R.sub.4 and R.sub.5 together with the oxygen atoms to which they are attached form a ring containing a carbonyl group, a thiocarbonyl group, a >P(O)OR.sub.6 group or a >CR.sub.7 R.sub.8 group,
R.sub.6 represents hydrogen or lower alkyl,
R.sub.7 represents hydrogen or lower alkyl,
R.sub.8 represents lower alkoxy, monoalkylamino or dialkylamino,
R.sub.9, R.sub.10 and R.sub.11, each independently, represent linear or branched lower alkyl,
and the cosmetically acceptable alkali metal, alkaline earth metal, ammonia or amine salts of the dye of formula I,
said dye of formula I being present in said composition in an amount ranging from 0.01 to 5 percent by weight based on the total weight of said composition.

6 more elements

Dependencies are inferred from the claim text.

Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds

Life of this patent

Dyeing compositions for keratinous fibres based on indole derivatives, and new compounds

Life of this patent

Abstract

Claims25