Radiation imagery chemistry: process – composition – or product th – Color imaging process – Stabilizing
Patent
1983-12-02
1985-05-21
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Stabilizing
430505, 430551, G03C 740, G03C 726
Patent
active
045186790
ABSTRACT:
A color-photographic recording material which, in at least one light-sensitive silver halide emulsion layer, one intermediate layer and/or one protective layer, contains, as a stabilizer, at least one polyalkylpiperidine compound of the formula I or II ##STR1## in which m is the numbers 1 or 2 and, if m=1, A is a group of the formula ##STR2## and, if m=2, A is a group of the formula ##STR3## Color images which are obtained by image-wise exposure and development of this color-photographic recording material, display good stability towards the action of visible and ultraviolet light.
Reference is made to the description in respect of the meanings of the substituents and symbols in the formulae I and II.
REFERENCES:
patent: 3859293 (1975-01-01), Murayama et al.
patent: 3941744 (1976-03-01), Murayama et al.
patent: 4110334 (1978-08-01), Mayer et al.
patent: 4268593 (1981-05-01), Leppard et al.
patent: 4452884 (1984-06-01), Leppard
Leppard David G.
Rody Jean
Brown J. Travis
Ciba-Geigy AG
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