Photographic recording material containing an aldehyde remover

Details Photographic recording material containing an aldehyde remover Photographic recording material containing an aldehyde remover

1982-11-24

1983-11-08

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430542, 430554, 430555, 430614, 430623, G03C 140

Patent

active

044143095

ABSTRACT:
Compounds corresponding to the following general formula ##STR1## wherein R.sup.1 represents hydrogen, an aliphatic or cycloaliphatic group, an aralkyl group, an aryl group, a heterocyclic group or one of the following groups: --CO--alkyl, --CO--aryl, --CO--heterocyclic group, --SO.sub.2 --alkyl, --SO.sub.2 --aryl, --CO--O--alkyl, --CO--NH--NH.sub.2, ##STR2## and R.sup.2 represents hydrogen, an aliphatic or cycloaliphatic group, an aralkyl group, an aryl group, alkoxy, aroxy, carboxyl, carbamoyl, alkoxycarbonyl, an alkyl or aryl group attached through a carbonyl group, cyanogen, an amino group optionally substituted by alkyl, aralkyl, aryl or acyl, or a cyclic amino group
may be used as additives in the layers of color photographic recording materials to improve the stability of color couplers, in particular magenta couplers, against formaldehyde.

REFERENCES:
patent: T900028 (1972-07-01), Rush
patent: 2895827 (1959-07-01), Callear et al.
patent: 3168400 (1965-02-01), Blackmer et al.
patent: 3511663 (1970-05-01), Mariani et al.
patent: 3652278 (1972-03-01), Asano et al.
patent: 3811891 (1974-05-01), Dariak et al.
patent: 4003748 (1977-01-01), Langen et al.

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