| abstract |
The novel features in a colour photographic material comprising a light-sensitive Ag halide emulsion layer and optionally a non-light-sensitive layer nearer to the light source than the emulsion layer are that: (i) at least one of the layers contains a TiO2 pigment of primary particle diameter 1-100 nm; and (ii) at least one of the layers contains a phenol-substituted benzotriazole of formula (I) or (II). In (I), R1 and R3 = halogen, alkyl, alkoxy, aryloxy, alkylthio, arylthio, acyloxy, acylamino or acyl; R2 = alkyl or acyl; and m and n = 0, 1 or 2. In (II), R4 and R5 = H, halogen, OH, SH, alkyl, aryl, alkoxy, aryloxy, acyloxy, alkylthio, aryl- thio, -NR8R9, alkoxycarbonyl, carbamoyl or sulphamoyl; R6 = H, OH, halogen or alkyl; R7 = alkyl, alkoxy, alkylthio or a group of formula (IIa); R8 = H, alkyl or aryl; R9 = H, alkyl, aryl, acyl, alkoxycarbonyl, carbamoyl, sulphamoyl or sulphonyl; and o, p, q = 1-4. |