High-contrast development process for silver halide photographic

Details High-contrast development process for silver halide photographic High-contrast development process for silver halide photographic

1989-02-06

1991-04-02

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

Process using lithographic infectious developer

430264, 430268, 430438, 430486, 430487, 430490, G03C 526, G03C 530

Patent

active

050046705

ABSTRACT:
A high-contract development process is disclosed, which comprises developing a silver halide photographic material containing at least a hydrazine derivative with a developer having a pH of from 10.0 to 12.3 and containing

REFERENCES:
patent: 4170478 (1979-10-01), Case et al.
patent: 4269929 (1981-05-01), Nothnagle
patent: 4298673 (1981-11-01), Kubotera et al.
patent: 4429036 (1984-01-01), Hirano et al.
patent: 4740452 (1988-04-01), Okutsu et al.
patent: 4755448 (1988-07-01), Katoh
patent: 4863830 (1989-09-01), Okutsu et al.

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