Transfer imaging using metal-azo and metal-azomethine dyes

Details Transfer imaging using metal-azo and metal-azomethine dyes Transfer imaging using metal-azo and metal-azomethine dyes

1991-03-11

1993-01-19

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428211, 428480, 428913, 428914, B41M 5035, B41M 538

Patent

active

051807050

ABSTRACT:
Dye donor sheets comprising a substrate having a coating comprising a binder and at least one neutral 1:1 metal-azo or neutral 1:1 metal-azomethine dye having the general structure: ##STR1## wherein Z.sub.1 and Z.sub.2 each independently represent an arene nucleus, having from 5 to 14 ring atoms;

REFERENCES:
patent: 3765814 (1973-09-01), Bedell
patent: 4218367 (1980-08-01), Brouard et al.
patent: 4605607 (1986-08-01), Nikles et al.
patent: 5084435 (1992-01-01), Vanmaele et al.
Copending U.S. application Serial No. 07/667,658 filed Mar. 11, 1991 entitled "Polymerizable Metal-Azo and Metal-Azomethine Dyes".
"A Novel Concept of dye Application for Dying and Printing," Gulbins et al., JSDC, Dec. 1965.

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