Patent ID: 6518408
Filing Date: 2003-02-11
Classification: C09B

Abstract:
A compound of formula (1) whereinK1 and K2 are each independently of the other the radical of a coupling component from the benzene series, naphthalene series, 4-alkyl-6-hydroxypyridone-(2) series, 2,5-diamino-4-alkylpyridine series, 1-arylpyrazolone-(5) series or 1-aryl-5-aminopyrazole series, at least one of the radicals K1 and K2 containing a fibre-reactive group, with the proviso that (i) the fibre-reactive group is not 2-(&bgr;-sulfatoethylsulfonyl)ethylamino when K1 and K2 are phenyl substituted by a fibre-reactive group, and (ii) the fibre-reactive group is not &bgr;-sulfatoethylsulfonyl when K1 and K2 are N-(&bgr;-sulfato-ethyl)aniline substituted on the phenyl ring by a fibre-reactive group.