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

1978-12-14

1981-01-20

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Imaged product

Nonsilver image

8476, 8490, 260 4575C, 260 4575M, 260 4575N, 260 4575R, 428411, 428500, 428539, 430216, 430372, 430512, 430517, 430551, 430559, 430561, G03C 140, G03C 184, G03C 700, G03C 110

Patent

active

042463297

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: 2615860 (1952-10-01), Burgess
patent: 4050938 (1977-09-01), Smith et al.

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