Silver halide photographic light-sensitive material

Details Silver halide photographic light-sensitive material Silver halide photographic light-sensitive material

1987-03-27

1988-12-13

Michl, Paul R.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430386, 430387, G03C 738

Patent

active

047910526

ABSTRACT:
A silver halide photographic light-sensitive material containing a 1H-pyrazolo[3,2-c]-s-triazole type magenta coupler is disclosed. The magenta coupler has an --SO.sub.2 -- group and at least one group selected from the group consisting of a --COOM group and a --SO.sub.3 M group, M being a hydrogen atom or a cation, in its molecule. The photographic material is improved in color development performance and preservability of magenta images.

REFERENCES:
patent: 4548899 (1985-10-01), Nakayama et al.
patent: 4588679 (1986-05-01), Furutachi
patent: 4623617 (1986-11-01), Kaneko et al.
patent: 4684603 (1987-08-01), Nishijima et al.
patent: 4695530 (1987-09-01), Nakamura et al.

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