Patent ID: 6413926
Filing Date: 2002-07-02
Classification: C07C,C07F,C11D

Abstract:
A process which prevents the redeposition of migrating dyes in a wash liquor, which comprises adding to the wash liquor, which comprises a peroxide-containing detergent, from 0.5 to 150 mg per liter of wash liquor of at least one asymmetrical compound of the formula in whichn is 0, 1, 2 or 3, m is 1, 2 or 3, A is an anion; Y is a linear or branched alkylene radical of the formula â€”[C(R5)2]râ€”, where r is an integer from 1 to 8 and the R5 radicals independently of one another are hydrogen or C1-C4alkyl; â€”CX&boxH;CXâ€”, in which X is cyano, linear or branched C1-C8alkyl or di(linear or branched C1-C8alkyl)-amino, â€”(CH2)qâ€”NR4â€”(CH2)qâ€”, in which R4 is hydrogen or linear or branched C1-C4alkyl and q is 1, 2, 3 or 4; or a 1,2-cyclohexylene radical of the formula: â€”(CH2)qâ€”NR4â€”(CH2)qâ€”, in which R4 is hydrogen or linear or branched C1-C4alkyl and q is 1, 2, 3 or 4; or a 1,2-cyclohexylene radical of the formula: or a 1,2-aryl radical of the formula in which R9 is SO3H, CH2OH or CH2NH2,R and R1 independently of one another are cyano, halogen, OR5 or COOR5, in which R5 is hydrogen or linear or branched C1-C4alkyl, or are nitro, linear or branched C1-C8alkyl, linear or branched, partially fluorinated or perfluorinated C1-C8alkyl, NHR6 or NR6R7 in which R6 and R7 are identical or different and are each linear or branched C1-C12alkyl or in which R6 and R7, together with the nitrogen atom connecting them, form a 5-, 6- or 7-membered ring which may include further heteroatoms, or are linear or branched C1-C8alkyl-R8, in which R8 is a radical OR5, COOR5 or NR6R7 with the above definitions or is NH2, or are â€”NâŠ•R4R6R7, in which R4, R6 and R7 are as defined above, R2 and R3 independently of one another are hydrogen, linear or branched C1-C4 alkyl or unsubstituted aryl, or aryl substituted by cyano, halogen, OR5 or COOR5, in which R5 is hydrogen or linear or branched C1-C4alkyl, or by nitro, linear or branched C1-C8alkyl, NHR6 or NR6R7 in which R6 and R7 are identical or different and are as defined above, or by linear or branched C1-C8alkyl-R8, in which R8 is a radical OR5, COOR5 or NR6R7 with the above definitions or is NH2, or by â€”NâŠ•R4R6R7, in which R4, R6 and R7 are as defined above, with the proviso that R and R1 do not have the same definition if n and m are identical.