Patent ID: 6353094
Filing Date: 2002-03-05
Classification: C09B

Abstract:
A dye of the formula (1) in whichMe is Cu or Ni, R1, is hydrogen or substituted or unsubstituted C1-C4alkyl or R1, is as defined for A, X1 is halogen, hydroxyl, C1-C4alkoxy, substituted or unsubstituted C1-C4alkylthio or amino or is an N-heterocyclic radical which may contain further heteroatoms, u is the number 1, 2, 3 or 4, q is the number 0 or 1, the benzene rings I, II or III are unsubstituted or further substituted and A is a radical of the formula (2a), (2b) or (3) in whichB1 and B2 independently of one another are an aliphatic bridge member, D1 and D2 independently of one another are the radical of a diazo component of the benzene or naphthalene series, R2 is hydrogen or substituted or unsubstituted C1-C4alkyl, R3 and R6 independently of one another are hydrogen, cyano, carbamoyl or sulfomethyl, R4 is hydrogen, C1-C4alkyl or amino, R5 is amino or N-mono- or N,N- di- C1-C4alkylamino which are unsubstituted or substituted in the alkyl part and R7 is hydrogen or C1-C4alkyl.