Chrome complexed magenta dye developers

Radiation imagery chemistry: process – composition – or product th – Transfer procedure between image and image layer – image... – Diffusion transfer process – element – or identified image...

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430562, G03C 140, G03C 110

Patent

active

042672538

ABSTRACT:
There are described novel magenta 1:1 chrome-complexed dye developers which are particularly useful in photographic products and processes. These novel magenta dye developers are ionic salts which include a cation and a colorless ligand which is a radical of an iminodiacetic acid.

REFERENCES:
patent: 3544545 (1970-12-01), Idelson
patent: 3551406 (1970-12-01), Idelson
patent: 3879336 (1975-04-01), Maeda et al.
patent: 4033942 (1977-07-01), Beffa et al.
patent: 4174221 (1979-11-01), Idelson
Martell et al., Chemistry of the Metal Chelate Compounds, Prentice-Hall, N.Y., 1956, pp. 534, 535, 548-551.

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