Patent ID: 8524648
Filing Date: 2013-09-03
Classification: C11D

Abstract:
1. A method of preventing the transfer of a textile dye from a dyed textile to an undyed textile or from a first dyed textile to a second dyed textile having a different color than the first dyed textile when washed together in an aqueous solution comprising a surfactant, said method comprising providing the aqueous solution with at least one polycarbonate-polyorganosiloxane compound containing at least one structural element of Formula (I): where each A is O, Y is a divalent or polyvalent, linear, cyclic or branched, saturated, unsaturated or aromatic, substituted or unsubstituted hydrocarbon radical with up to 1000 carbon atoms, where the carbon atoms of a polyorganosiloxane unit that is optionally also contained are not counted, which may contain one or more groups selected from —O—, —(CO)—, —NH—, —NR R R R and in the entire compound, not all the radicals Y and/or R or an acid addition compound and/or salt thereof.