Method for restraining the formation of re-reversal negative ima

Details Method for restraining the formation of re-reversal negative ima Method for restraining the formation of re-reversal negative ima

1986-06-18

1988-09-06

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430591, 430592, 430585, 430589, 430583, 430584, 430593, 430614, 430940, 430598, 430410, G03C 112, G03C 106

Patent

active

047693169

ABSTRACT:
A restraining method for restraining the formation of a re-reversal negative image is described, comprising incorporating a cyanine dye or a merocyanine dye which is electron donative and is adsorbable on silver halide in at least one hydrophilic colloid layer of an internal latent image type direct positive silver halide photographic material as a re-reversal restrainer.

REFERENCES:
patent: 3772030 (1973-11-01), Gilman et al.
patent: 4306016 (1981-12-01), Baralle et al.
patent: 4324855 (1982-04-01), Oishi et al.
patent: 4395478 (1983-07-01), Hoyen
patent: 4440851 (1984-04-01), Tosaka et al.
patent: 4481285 (1984-11-01), Takagi et al.

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