Dye developer processes

Details Dye developer processes Dye developer processes

1980-04-24

1981-08-04

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...

430239, 430446, 430469, 430487, G03C 140, G03C 554, G03C 700, G03C 530

Patent

active

042823064

ABSTRACT:
Diffusion transfer color processes employing dye developers have been found to give improved results by the inclusion in the processing composition of a 5- or 6-membered aromatic unsaturated diazole free of imino nitrogen atoms.

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patent: 3474098 (1969-10-01), Hitchings et al.
patent: 3649265 (1972-03-01), Stewart
patent: 3785814 (1974-01-01), Land et al.
patent: 3899331 (1975-08-01), Bloom et al.
patent: 4095982 (1978-06-01), Yoneyama et al.
patent: 4102684 (1978-07-01), Greenwald
patent: 4147543 (1979-04-01), Kubotera et al.
1981-1982 Aldrich Cat. Handbook of Fine Chemicals, Cat. 20, Aldrich Chem. Co., Milwaukee, Wis., 1980, p. 111.
"The Nitrosation of . . . Derivatives", Freeman et al., J. Org. Chem. (1969), vol. 34 pp. 187-194.
Eastman Kodak Chem. Cat., No. 50, p. 147.

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