Method for stabilizing organic substrates including photographic

Details Method for stabilizing organic substrates including photographic Method for stabilizing organic substrates including photographic

1978-11-14

1980-12-23

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Imaged product

Nonsilver image

430216, 430372, 430384, 430386, 430388, 430390, 430551, 430559, 430958, 260429R, 260439R, G03C 700

Patent

active

042411556

ABSTRACT:
A method for stabilizing an organic substrate to light the substrate having an absorption maximum in the range of about 300 nm-about 800 nm, which comprises making at least one complex represented by following general formula (I) coexist with the substrate: ##STR1## wherein M represents an atom selected from the group consisting of Cu, Co, Ni, Pd and Pt, X represents O or S, R.sub.1 represents an alkyl group, an aryl group, an alkoxy group, an aryloxy group or, when taken together, the R.sub.1 's bound to the same phosphorus atom represent the non-metallic atoms necessary to complete a 6-membered ring together with the phosphorus atom. A photographic element containing the above complex is also claimed.

REFERENCES:
patent: 2976122 (1961-03-01), Ertelt et al.
patent: 3293208 (1966-12-01), Milionis et al.
patent: 3588216 (1971-06-01), Bloom
patent: 3885966 (1975-05-01), Gracia et al.
patent: 4050938 (1977-09-01), Smith, Jr. et al.
patent: 4076531 (1978-02-01), Crowell
Photographic Gelatin, Croome et al., Focal Press, N.Y. .COPYRGT.1965, pp. 76-83.
Stabilization of Photographic Silver Halide Emulsions, Birr, Focal Press .COPYRGT.1974, pp. 28-35, 115-117.
Photographic Emulsions, James, NDC, Park Ridge, N.J. .COPYRGT.1973, pp. 24 to 27.
Mechanism of Oxid. Photodegradation and of UV Stabilization of Polyolefins, Cicchetti, Adv. Polymer Sci. vol. 7, pp. 70-112, (1970).

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