G - Physics – 03 – C
Patent
G - Physics
03
C
96/43
G03C 1/40 (2006.01) G03C 7/388 (2006.01)
Patent
CA 1072388
AN INCORPORATION PROCESS ABSTRACT OF DISCLOSURE A photographic silver halide material with at least one halide emulsion layer and at least one substance in hetero- geneous contribution emulsified in oilformer compounds and a process of preparing the said photographic silver halide materials. The substances are introduced into photographic emulsions prior to coating by way of adding a hydrophilic phase containing in emulsified form the substances which are emulsified in the hydrophilic phase in form of a solution containing at least one substantially diffusion-resistant, substantially water-insoluble, substantially non-coupling dispersible .beta.-diketo compound with at least 9 carbon atoms, .beta.-keto carboxylic acid ester, .beta.-keto carboxylic acid amide, .beta.-cyano acetyl compound or .beta.-dicarboxylic acid ester with at least 13 carbon atoms as oilformer. The photographic material shows advantageous results i.a. with respect of stability of the emulsified substances in the layers and excellent sensitometric results.
221314
Langen Hans
Meyer Rudolf
Ranz Erwin
Sobel Johannes
Agfa-Gevaert Aktiengesellschaft
Na
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