Aliphatic alpha, omega-diamine compounds and their use in hair dyeing
DCFirst Claim
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1. N,N'"'"'-Bis(β
- -hydroxyethyl)-N,N'"'"'-bis(4'"'"'-aminophenyl)-1,3-diamino-2-propanol or one of its addition salts with acids.
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Abstract
The invention relates to the new compounds consisting of N,N'"'"'-bis(β-hydroxyethyl)-N,N'"'"'-bis(4'"'"'-aminophenyl)-1,3-diamino-2-propanol and N,N'"'"'-bis(ethyl)-N,N'"'"'-bis(4'"'"'-amino-3'"'"'-methylphenyl)ethylenediamine, and their use in keratinous fiber dyeing compositions and processes.
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8 Claims
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1. N,N'"'"'-Bis(β
- -hydroxyethyl)-N,N'"'"'-bis(4'"'"'-aminophenyl)-1,3-diamino-2-propanol or one of its addition salts with acids.
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2. N,N'"'"'-Bis(ethyl)-N,N'"'"'-bis(4'"'"'-amino -3'"'"'-methylphenyl)-ethylenediamine or one of its addition salts with acids.
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3. A composition for dyeing keratinous fibres, in particular for hair, comprising, an effective concentration of an oxidation dye precursor selected from the group consisting of N,N'"'"'-bis(β
- -hydroxyethyl) -N,N'"'"'-bis (4'"'"'-aminoinophenyl)-1,3-diamino -2-propanol, N,N'"'"'-bis(ethyl)-N,N-40 -bis (4'"'"'-amino-3'"'"'-methylphenyl)ehtylenediamine, acid addition salts of N,N'"'"'-bis(β
-hydroxyethyl) -N,N'"'"'-bis (4'"'"'-amino-phenyl)-1,3-diamino -2-propanol and N,N'"'"'-bis(ethyl)-N,N'"'"'-bis(4'"'"'-amino-3'"'"'-methylphenyl) ethylenediamine and a carrier suitable for dyeing said fibres, wherein said effective concentration is sufficient, upon oxidative coupling of said precursor, to dye said fibres. - View Dependent Claims (4, 5, 6, 7, 8)
- -hydroxyethyl) -N,N'"'"'-bis (4'"'"'-aminoinophenyl)-1,3-diamino -2-propanol, N,N'"'"'-bis(ethyl)-N,N-40 -bis (4'"'"'-amino-3'"'"'-methylphenyl)ehtylenediamine, acid addition salts of N,N'"'"'-bis(β
Specification