Process for the development of color photographic light-sensitiv

Details Process for the development of color photographic light-sensitiv Process for the development of color photographic light-sensitiv

1982-04-08

1983-11-29

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

430372, 430377, 430445, 430489, 430490, 430551, 430622, G03C 700

Patent

active

044181400

ABSTRACT:
A process for the development of color photographic light-sensitive material is described. The process comprises color developing an exposed light-sensitive material in the presence of a compound of the general formula: ##STR1## wherein M is a hydrogen atom, an alkali metal atom, NH.sub.4 or a protective group for the mercapto group which undergoes cleavage by the action of an alkali; R is a hydrogen atom or an alkyl group containing 1 to 3 carbon atoms; and R' is a hydrogen atom or an alkyl group containing 1 to 3 carbon atoms. This process prevents the formation of color development fog without seriously reducing sensitivity.

REFERENCES:
patent: 3266897 (1966-08-01), Kennard et al.
patent: 4021248 (1977-05-01), Shiba et al.
patent: 4250252 (1981-02-01), Odenwalder et al.
patent: 4328302 (1982-05-01), Nishimura et al.

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