Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1982-12-17
1984-06-05
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430372, 430523, 430961, G03C 726
Patent
active
044528841
ABSTRACT:
A color-photographic recording material which, in at least one light-sensitive silver halide emulsion layer, an interlayer and/or a protective layer, contains at least one polyalkylpiperidine compound of the formula I ##STR1## as a light stabilizer. Color images obtained by imagewise exposure and development of this color-photographic recording material display good stability to the action of visible and ultra-violet light.
With respect to the definitions of the substituents and symbols in formula I, reference is made to the specification.
REFERENCES:
patent: 2596926 (1952-05-01), Gunther et al.
patent: 3183219 (1965-05-01), Schuler
patent: 4148784 (1979-04-01), Malherbe et al.
patent: 4268593 (1981-05-01), Leppard et al.
Brown J. Travis
Ciba-Geigy AG
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