Silver halide photographic lightsensitive material

Details Silver halide photographic lightsensitive material Silver halide photographic lightsensitive material

1975-02-24

1976-01-13

Smith, Ronald H.

Gas separation: apparatus

Electric field separation apparatus

Electrode retaining or supporting means

2602402, G03C 184

Patent

active

039321886

ABSTRACT:
Irradiation and halation of a silver halide photographic lightsensitive material can be prevented by adding at least one of dyes represented by the following general formula to the layers on one or both sides of the light sensitive material. ##SPC1##
(wherein X is hydrogen atom, hydroxyl group, a halogen atom or a lower alkyl group, L is a methine group which may be substituted with a lower alkyl group at mesoposition, M is hydrogen atom, an alkali metal or ammonium group and n is 1 or 2).

REFERENCES:
patent: 2274782 (1942-03-01), Gaspar
patent: 3502474 (1970-03-01), Tsuda et al.
patent: 3647460 (1972-03-01), Hofman et al.
patent: 3746539 (1973-07-01), Ohmatsu et al.
patent: 3865817 (1975-02-01), Kobayashi et al.

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