Fine polymer particles having heterogeneous phase structure, sil

Details Fine polymer particles having heterogeneous phase structure, sil Fine polymer particles having heterogeneous phase structure, sil

1997-10-27

1998-09-08

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Post imaging processing

Developing

430436, 430439, 430536, 430627, G03C 7407

Patent

active

058043578

ABSTRACT:
A method for forming images on a silver halide light-sensitive material includes exposing a material which contains at least one light-sensitive silver halide emulsion layer and at least one hydrophilic colloidal layer, either of which includes a latex polymer having active methylene groups, and developing the exposed material with a developer which contains a dihydroxybenzene developing agent and an auxiliary developing agent showing superadditivity, wherein the following requirements are satisfied: the pH increase observed when adding 0.1 mole/l developer of NaOH to the developer.ltoreq.0.25; 9.5.ltoreq.initial pH of the developer.ltoreq.11.0; and the amount of the developer supplemented.ltoreq.225 ml/m.sup.2.

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