Photographic processing compositions including...

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G - Physics

03

C

G03C 8/36 (2006.01) G03C 8/24 (2006.01) G03C 8/38 (2006.01)

Patent

CA 2138915

Photographic processing compositions comprising an aqueous alkaline medium and a hydrophobically modified thickening agent are disclosed. The subject thickening agent increases the viscosity of the processing composition while maintaining a relatively uniform homogenous mixture of the constituents thereof. The subject processing compositions are useful in photographic diffusion transfer film units and processes.

Compositions pour développement photographique constituées d'un milieu alcalin aqueux et d'un agent épaississant modifié hydrophobiquement. L'agent épaississant en question accroît la viscosité de la composition de développement tout en conservant un mélange de composants relativement uniforme et homogène. Les présentes compositions de développement s'appliquent à des procédés et à des unités de films de transfert photographique par diffusion.

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