Novel quaternary ammonium compounds of formula (1) and (2): ##STR1## wherein R represents a straight or branched alkylene group containing from 2 to 24 carbon atoms, an alicyclic alkylene group, an aralkylene group or a group of the formula --CH.sub.2 CH.sub.2 O).sub.p (CH.sub.2 CH.sub.2).sub.q (in which...http://www.google.de/patents/US5132425?utm_source=gb-gplus-sharePatent US5132425 - Quaternary ammonium compounds
