Color photographic recording material with thiosulphonic acid es

Details Color photographic recording material with thiosulphonic acid es Color photographic recording material with thiosulphonic acid es

1988-09-14

1989-09-19

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430543, 430550, 430554, G03C 738

Patent

active

048680990

ABSTRACT:
A color photographic recording material having a magenta layer which is prepared from a casting solution containing a 4-equivalent magenta coupler of the pyrazolone series and a thiosulphonic acid ester compound has the properties of 2-equivalent magenta couplers in its coupling reactivity and the properties of 4-equivalent magenta couplers in its speed of color formation.

REFERENCES:
patent: 3930866 (1976-01-01), Oishi et al.
patent: 4032346 (1977-06-01), Furutachi et al.

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