Opaque developing/fixing monobath and its use for processing roo

Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Disparate function simultaneous process step

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430418, 430432, G03C 538

Patent

active

059121076

ABSTRACT:
Black-and-white elements, such as radiographic films, can be processed in roomlight using a developing/fixing monobath composition that also includes a particulate opacifying agent, such as carbon black, that provides safelight conditions in the processing composition. The processing method is carried out quickly, that is within 120 seconds.

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patent: 3867151 (1975-02-01), Katz
patent: 4216285 (1980-08-01), Miller
patent: 4803150 (1989-02-01), Dickerson et al.
patent: 4954425 (1990-09-01), Iwano
patent: 5178994 (1993-01-01), Yamada

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