Silver halide photographic materials

Details Silver halide photographic materials Silver halide photographic materials

1988-03-30

1990-10-09

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430606, 430607, 430613, 430614, G03C 133, G03C 134

Patent

active

049620177

ABSTRACT:
A compound of the general formula (I): ##STR1## (in which EAG represents an electron accepting group; R.sup.1 and R.sup.2 each represents a substituent except hydrogen; and R.sup.1 and R.sup.2, R.sup.1 and EAG, and R.sup.2 and EAG may be bonded together to form a ring) is incorporated into a silver halide photographic material. The compound of the formula (I) becomes oxidative after cleavage of the nitrogen-oxygen single bond in the molecule, and the compound displays an action as an antifoggant, a stabilizer and/or a black spot preventing agent in the photographic material.

REFERENCES:
patent: 3881939 (1975-05-01), Noda et al.
patent: 4245033 (1981-01-01), Eida et al.
patent: 4460682 (1984-07-01), Mizukura et al.
patent: 4490460 (1984-12-01), Shimba et al.
patent: 4554243 (1985-11-01), Ono et al.
patent: 4734353 (1988-03-01), Ono et al.
patent: 4783396 (1988-11-01), Nakamura et al.

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