Process for forming high contrast negative image

Details Process for forming high contrast negative image Process for forming high contrast negative image

1985-03-21

1986-10-28

Downey, Mary F.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

Process using lithographic infectious developer

430268, 430438, 430441, 430448, 430949, 430567, G03C 106, G03C 524

Patent

active

046198865

ABSTRACT:
A process for forming a high contrast negative image by developing an exposed substantial surface latent image type silver halide photographic light-sensitive material in the presence of hydrazines, which comprises using a developing solution having a pH value of 10.5 to 12.3 and containing at least

REFERENCES:
patent: 3776731 (1973-12-01), Iwano et al.
patent: 3793027 (1974-02-01), Okutsu et al.
patent: 3846129 (1974-11-01), Kuh
patent: 3876427 (1975-04-01), Okutsu et al.
patent: 4166742 (1979-09-01), Mifune et al.
patent: 4269929 (1981-05-01), Nothnagle
patent: 4416980 (1983-11-01), Fujiwhara et al.

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