Silver halide photographic materials

Radiation imagery chemistry: process – composition – or product th – Silver halide colloid tanning process – composition – or product

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430512, 430572, 430573, 430574, 430576, G03C 116

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050932225

ABSTRACT:
A negative silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein said silver halide emulsion layer or another hydrophilic colloid layer provided on the support contains (i) a hydrazine derivative, (ii) at least one cationic dye selected from the group consisting of cyanine dyes, hemicyanine dyes and rhodacyanine dyes, and (iii) a compound represented by formula (I) and having substantially no absorption maximum at the visible region; ##STR1## wherein Z.sup.11, Z.sup.12, R.sup.11, R.sup.12, X and n are defined in the specification.

REFERENCES:
patent: 3976492 (1976-08-01), Hinata et al.
patent: 4725532 (1988-02-01), Kameoka et al.
patent: 4755448 (1988-07-01), Katoh
patent: 4800150 (1989-01-01), Katoh
patent: 4851321 (1989-07-01), Takagi et al.
patent: 4873173 (1989-10-01), Sasaoka et al.
patent: 4956257 (1990-09-01), Inoue
Research Disclosure, vol. 176, RD No. 17643, p. 23, IV-J (Dec. 1978).
European Search Report.
Patent Abstracts of Japan, vol. 11, No. 203 (p. 591).
JP-A-62 25 745 (Fuji Photo Film Co., Ltd.).
Patent Abstracts of Japan, vol. 10, No. 183 (p. 472).
JP-A-61 29 837 (Fuji Photo Film Co., Ltd.).
U.S. Pat. No. 4,722,884 (Inoue et al.).

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