Formation and photographic use of solid particle dye dispersions

Details Formation and photographic use of solid particle dye dispersions Formation and photographic use of solid particle dye dispersions

1998-05-18

2000-04-04

Baxter, Janet

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Antihalation or filter layer containing

430517, 430631, G03C 176, G03C 1825, G03C 183

Patent

active

060459867

ABSTRACT:
The present invention provides a method of forming a dispersion of solid particles of a dye in a gelatin medium which includes the steps of milling the solid dye in the present of a glycerophospholipid dispersant in an aqueous medium and diluting the resulting dispersion with an aqueous solution containing a gelatin. In addition, a photographic element is provided comprising a support having coated thereon at least one silver halide emulsion layer and at least one additional gelatin layer that contains a dispersion of solid particles of a dye and a glycerophospholipid dispersant.

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