Patent ID: 7863236

Claim:
A detergent composition comprising at least one compound of formula (1) wherein X 1 and X 3 are NH 2 , and X 2 and X 4 are a radical of formula â€”N(R 1 )R 2 , wherein R 1 and R 2 are hydrogen; unsubstituted or COOH or CN substituted methyl; CH 2 CH 2 OH; unsubstituted or C 1 -C 4 alkyl-substituted cyclopentyl or cyclohexyl, or R 1 and R 2 , together with the nitrogen atom linking them, form an unsubstituted or C 1 -C 4 alkyl-substituted morpholino, piperidine or pyrrolidine ring, and M is hydrogen or a cation, together with at least one compound of formula (2) wherein R 3 and R 5 , independently from each other, are hydrogen; unsubstituted C 1 -C 8 alkyl or substituted C 1 -C 8 alkyl, R 4 and R 6 , independently from each other, are hydrogen; unsubstituted phenyl; unsubstituted C 1 -C 8 alkyl or substituted C 1 -C 8 alkyl, or NR 3 R 4 and/or NR 5 R 6 form an unsubstituted or substituted morpholino ring, and M is hydrogen or a cation.