02.04.13
US Patent No. 8,158,572 B2; Procter & Gamble has patented a household care composition comprising linear polydimethylsiloxane-polyether copolymers with amino and/or quaternary ammonium groups, obtainable by the reaction of organopolysiloxanes functionalized with two, terminal secondary aminoalkyl groups with a chain-extended adduct bearing two, terminal glycidyl groups formed from the reaction of a diepoxide reacted with at least one amine compound.