Stabilization of a photographically produced silver image

Radiation imagery chemistry: process – composition – or product th – Color imaging process – Stabilizing

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Details

430402, 430428, 430429, 430965, G03C 740

Patent

active

048867373

ABSTRACT:
Photographically produced black and white images (silver images) are stabilized against subsequent destruction of the image silver, in particular due to discoloration, by treating the finished silver image with an aqueous after treatment bath containing aminotetrazole or a mercaptotetrahydrotriazine.

REFERENCES:
patent: 3712818 (1973-01-01), Nittel et al.
patent: 4760015 (1988-07-01), Berthold et al.

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