Image forming method

Details Image forming method Image forming method

1997-03-24

1999-10-05

Le, Hoa Van

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430405, 430440, 430446, 430448, 430566, G03C 529

Patent

active

059621826

ABSTRACT:
A method for forming an image which comprises imagewise-exposing a silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the emulsion layer or other hydrophilic colloid layer contains a hydrazine derivative as a nucleating agent and contains at least one compound represented by formula (A); and then developing the exposed photographic material with a developer having a pH of 9.0 to 11.0 which contains an ascorbic acid type developing agent and does not substantially contain a dihydroxybenzene type developing agent: ##STR1## wherein X represents a hydrogen atom, an aryl group, a heterocyclic group, or a group represented by formula (B): ##STR2## wherein each of R.sub.1, R.sub.2 and R.sub.3 may be the same or different, and each represents a hydrogen atom or a group other than a hydroxyl group.

REFERENCES:
patent: H1508 (1995-12-01), Hirano
patent: 4725532 (1988-02-01), Kameoka et al.
patent: 4839258 (1989-06-01), Katoh
patent: 5236816 (1993-08-01), Purol et al.

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