Method for improving the light fastness of organic substrate mat

Details Method for improving the light fastness of organic substrate mat Method for improving the light fastness of organic substrate mat

1980-05-15

1981-06-16

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

042738547

ABSTRACT:
The light stability of organic dyes is improved by the presence of at least one of the complexes represented by general formula (I) or (II) ##STR1## wherein M represents a Cu, Co, Ni, Pd or Pt atom; R.sup.1 and R.sup.4, which may be the same or different, each represents an alkyl group or an aryl group; R.sup.2 and R.sup.3, which may be the same or different, each represents a hydrogen atom, an alkyl group or an aryl group; or R.sup.1 and R.sup.2, and R.sup.3 and R.sup.4 may combine to represent a non-metallic atomic group necessary to form a 6-membered ring; and Z represents a non-metallic atomic group necessary to form a 5-membered ring, 6-membered ring, 8-membered ring, or 10-membered ring.

REFERENCES:
patent: 4050938 (1977-09-01), Smith et al.

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