Patent ID: 8070832

Claim:
A dye of the general formula (I) where D is the residue of a diazo component; R 1 is hydrogen, (C 1 -C 6 )-alkyl, (C 1 -C 4 )-alkoxy, hydroxyl, halogen, â€”NHCHO, â€”NHCO(C 1 -C 6 )-alkyl or â€”NHSO 2 (C 1 -C 6 )-alkyl; R 2 is hydrogen, (C 1 -C 6 )-alkyl, (C 1 -C 4 )-alkoxy or halogen; R 3 is hydrogen, (C 1 -C 6 )-alkyl, substituted (C 1 -C 6 )-alkyl, (C 3 -C 4 )-alkenyl or substituted (C 3 -C 4 )-alkenyl or R 2 and R 3 combine to form the radical â€”C*H(CH 3 )CH 2 C(CH 3 ) 2 â€”, where the carbon atom marked * is attached to the phenyl nucleus; R 4 is hydrogen or (C 1 -C 6 )-alkyl; R 5 is hydrogen or (C 1 -C 6 )-alkyl; R 6 is hydrogen or (C 1 -C 6 )-alkyl; X is phenyl, thiophenyl, sulfonylphenyl or phenoxy; n is 0, 1, or 2; and m is 0 or 1.