| abstract |
The subject of the invention is novel quaternary ammonium derivatives of formula: (CF DRAWING IN BOPI) in which Cp represents an ammonium or quaternary polyammonium residue, B means a residue comprising two quaternary ammonium groups, k means O or an integer from 1 to 10 inclusive, the symbols X 'each represent a chlorine or bromine atom, a hydroxy or optionally substituted ammonium group or a residue comprising two quaternary ammonium groups, A (cation) represents an anion and m means an equal integer among the cationic groups of the molecule, and their preparation. |