Silver halide photographic material comprising mercaptotetrazole

Details Silver halide photographic material comprising mercaptotetrazole Silver halide photographic material comprising mercaptotetrazole

1995-08-03

1997-09-16

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430598, 430600, 430601, 430611, 430614, G03C 1005, G03C 108

Patent

active

056679530

ABSTRACT:
The present invention relates to a light-sensitive silver halide photographic material comprising a support and silver halide emulsion layer or layers, wherein at least one of said silver halide emulsion layers comprises an alkylaminomercaptotetrazole antifoggant. According to a preferred embodiment of the present invention said silver halide emulsion layer comprises tabular silver halide grains having an average aspect ratio higher than 3:1 and a thickness lower than 0.4 .mu.m.

REFERENCES:
patent: 5025164 (1991-06-01), Sidwell et al.
patent: 5192647 (1993-03-01), Kojima et al.
patent: 5219720 (1993-06-01), Black et al.
patent: 5290674 (1994-03-01), Hirano et al.
patent: 5376521 (1994-12-01), Inoue et al.
patent: 5411849 (1995-05-01), Hasegawa
United States Statutory Invention Registration H1063, Hosoi, Jun. 2, 1992.
Chemical Abstracts 122:20358 Corresponding to JP 6-175266.
International Patent Application Published under the PCT on Nov. 28, 1991 as Application No. WO 91/18320 (Claims and Abstract only).
"Organic Compounds and Their Pharmaceutical Use," by Stephen Baker, et al., European Patent Application No. EP 134.111 (CI.C07C149/273) (Abstract only).
European Patent Application No. 93/118,552.6.

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