Patent ID: 8858651
Filing Date: 2014-10-14
Classification: C09B,C11D

Abstract:
1. A method of treating a polyester and/or nylon-comprising textile, the method comprising the steps of (i) treating the textile with an aqueous solution comprising a laundry care adjunct and from about 1 ppb to about 500 ppm of a thiophene azo carboxylate dye; and (ii) rinsing and drying the textile, said dye having a structure of Formula I: wherein R wherein R′ is selected from the group consisting of H, C wherein R″ is selected from the group consisting of H, C wherein 1≦x+y≦50: wherein y≧1; wherein −z=0 to 20; and wherein Q is selected from the group consisting of H and Y wherein Y is as defined below; with the proviso that the dye comprises at least one Q group that is Y; each R and wherein Y is an organic radical represented by Formula II wherein independently for each Y group, M is H or a charge balancing cation; m is 0 to 5; n is 0 to 5; the sum of m+n is 1 to 10; each R