Patent ID: 6929688

Claim:
Monoazo dyes of general formula (IV) wherein R 1 represents hydrogen, SO 3 M or SO 2 CH 2 CH 2 A, where A represents OH, OSO 3 M or NR 4 R 5 ; R 4 , R 5 independently represent hydrogen, substituted unbranched or branched alkyl having from 1 to 8 C atoms, where the substituents are selected from the group consisting of OH, OCH 3 , COOM and SO 3 M; X represents hydrogen, chloro or bromo; M represents hydrogen, a metal cation or an ammonium cation, which may be substituted by one or more alkyl or substituted alkyl or hydroxyalkoxyalky groups each having from 1 to 18 C atoms and n is 0 or 1.