Photographic silver halide materials comprising a...

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G - Physics

03

C

96/136

G03C 1/83 (2006.01) C09B 23/08 (2006.01)

Patent

CA 1130130

- 12 - Abstract Photographic silver halide materials comprising light- absorbing dyes For absorbing light of the whole visible spectral region in a silver halide emulsion layer or in an anti- halation layer of a photographic material it suffices to use a 2-pyrazolin-5-one pentamethine oxonol dye corresponding to the formula : Image wherein R is a C1-C5 alkyl group. The dyes are used in dispersed form in at least one light-sensitive silver halide emulsion layer or in an antihalation layer. GV.1057

344600

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