Silver halide photographic material and method for forming super

Details Silver halide photographic material and method for forming super Silver halide photographic material and method for forming super

1986-09-04

1988-07-05

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

Process using lithographic infectious developer

430264, 430445, 430446, 430599, 430564, 430567, 430600, 430603, G03C 106, G03C 524

Patent

active

047554495

ABSTRACT:
A negative type silver halide photographic material and a method for processing the photographic material to form a super high contrast negative image are disclosed. The photographic material comprises a support and at least one emulsion layer on the support, said emulsion layer comprising silver halide grains comprising a core of silver halide containing silver iodide and a shell covering the core, said shell consisting essentially of silver bromide, silver chloride, or silver chlorobromide and having a thickness of from 0.01 to 0.08 .mu.m, wherein the emulsion layer or a hydrophilic colloid layer other than the emulsion layer of the photograpic material contains a hydrazine derivative.

REFERENCES:
patent: 4070190 (1978-01-01), Friedrich et al.
patent: 4323643 (1982-04-01), Mitune et al.
patent: 4569904 (1986-02-01), Okutsu et al.

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