abstract |
The invention relates to bisquaternary ammonium compounds of the formula (I) and their production, in which: R¹, R², R³, for example, the same or different (C₁-C₁₂) alkyl, which may also contain in the chain oxygen atoms or N-R⁴ links, in which R⁴ is (C₁-C₄) alkyl, and A is a chlorine, bromine, iodine atom or an OSO₃R⁵ radical, in which R⁵ is (C₁-C₄) alkyl or aryl. |