Stabilization of organic substrate materials including photograp

Details Stabilization of organic substrate materials including photograp Stabilization of organic substrate materials including photograp

1980-05-15

1981-05-19

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430 17, 430211, 430372, 430512, 430551, 430559, 430517, 430518, G03C 110, G03C 140, G03C 184

Patent

active

042686059

ABSTRACT:
Organic substrate materials having absorption maxima between 300 and 800 nm can be stabilized against the action of light by the presence of at least one compound represented by either of the following general formula (I) or (II): ##STR1## where M represents a metal atom selected from the group comprising Cu, Co, Ni, Pd and Pt; R.sup.1, R.sup.2, R.sup.3 and R.sup.4, may be the same or different and each represents a hydrogen atom, a halogen atom, cyano group, an alkyl group, an aryl group, a cycloalkyl group, or a heterocyclic ring, each of the latter four groups being bonded directly or via a divalent connecting group to the corresponding carbon atom of the benzene ring. Alternatively, R.sup.1 and R.sup.2, R.sup.2 and R.sup.3, or R.sup.3 and R.sup.4, may combine to represent the non-metallic atoms necessary to complete a 6-membered ring.
R.sup.5 and R.sup.6, may be the same or different and each represents a hydrogen atom, an alkyl group, an aryl group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkylsulfonyl group or an arylsulfonyl group.

REFERENCES:
patent: 4050938 (1977-09-01), Smith et al.
Balch et al., J. of Am. Chem. Soc., vol. 87, p. 2301.
Strefel, J. of Am. Chem. Soc., vol. 87, p. 3016.
Balch et al., J. of Am. Chem. Soc., vol. 88, p. 5201.
Holm et al., J. of Am. Chem. Soc., vol. 89, p. 2866.

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