Silver halide photographic materials containing sulfonamido-solu

Details Silver halide photographic materials containing sulfonamido-solu Silver halide photographic materials containing sulfonamido-solu

1992-07-27

1993-10-26

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430505, 430544, 430449, 430955, 430956, 430957, 430958, 430959, 430960, 430387, 252600, G03C 108, G03C 726, G03C 732

Patent

active

052565297

ABSTRACT:
A magenta dye-forming pyrazolotriazole coupler solubilized by one or two sulfonamido groups results in a coupler having increased coupling activity, low fog and good dispersability. The couplers are useful in photographic elements and react with oxidized silver halide to form dyes, and/or to release photographically useful groups.

REFERENCES:
patent: 4741995 (1988-05-01), Tani et al.
patent: 4762775 (1988-09-01), Ogawa et al.
patent: 4791052 (1988-12-01), Kida et al.
patent: 4835094 (1989-05-01), Wolff et al.
patent: 4865963 (1989-09-01), Furutachi et al.
patent: 4959299 (1990-09-01), Sakanone et al.

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