Appeal No. 1997-1513
Application No. 08/249,736
comprises, in a film substrate, at least one disazo dye
represented by the formula (I) in the form of the free acid
wherein Me is copper, A is a phenyl group which is substituted1
by at least one member selected from the group consisting of
sulfo, sulfamoyl, nitro, C -C alkyl, C -C alkoxy, carboxy,1 4 1 4
halogen, and unsubstituted amino or amino substituted by one
or two substituents selected from C -C alkyl, hydroxy or
1 4
cyano-substituted C -C alkylcarbonyl; or a napthyl group which
1 4
is substituted by at least one of sulfo or hydroxy, B is a 1-1
naphthol or 2-naphthol residue which is substituted by sulfo
or by sulfo and at least one member selected from the group
consisting of hydroxy, unsubstituted amino and amino
substituted by one or two substituents selected from C -C
1 4
alkyl, C -C alkylcarbonyl, carbamoyl, sulfamoyl, unsubstituted
1 4
phenyl, unsubstituted benzoyl, and phenyl or benzoyl
substituted by sulfo, amino or C -C alkoxy, and in which its
1 4
hydroxy group is adjacent to the azo group and is linked with
the transition metal Me to form the complex, and R is a C -C1 1 4
alkoxy; and at least two kinds of dyes selected from
a group [A] consisting of disazo dyes represented by the
following formula (II) in the form of free acid
2
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