| abstract |
The present invention relates to the compounds of formula (I): in which : R₁ and R₂, identical or different, denote a methyl or ethyl radical; R₃ denotes a methyl, ethyl or hydroxyethyl radical; A denotes a radical R denotes H or CH₃; X⁻ denotes Cl⁻, Br⁻, I⁻, CH₃OSO₃⁻, CH₃SO₃⁻, or C₂H₅OSO₃⁻; whole numbers such as 1 ≦ p ≦ 15, O ≦ q ≦ 13 and 2 ≦ p + q ≦ 2O; and m denotes 0 or 1 and m + q ≠ 0; n denotes an integer equal to 2 or 3, as well as their neutralizing salts with bases, their preparation process and their use as an additive in compositions for treating keratin materials. |