Image-transfer reversal emulsions and elements with incorporated

Details Image-transfer reversal emulsions and elements with incorporated Image-transfer reversal emulsions and elements with incorporated

1981-05-01

1982-07-27

Louie, Jr., Won H.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430223, 430559, 430598, 430562, G03C 700, G03C 140, G03C 110

Patent

active

043418589

ABSTRACT:
Direct-positive photographic emulsions and elements which include internal-image silver halide grains, a nucleating amount of a hydrazine compound and a redox dye releaser are improved by the incorporation of a nucleation-promoting amount of a quinone oxidizing agent. Diffusion transfer images made from elements using these emulsions exhibit improved image discrimination and improved maximum density.

REFERENCES:
Research Disclosure, 16929, 16936, May, 1978, pp. 36 and 10.

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