Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Developing
Patent
1990-05-09
1991-08-20
Le, Hoa Van
Radiation imagery chemistry: process, composition, or product th
Post imaging processing
Developing
430438, 430439, 430440, 430442, 430446, 430481, 430966, G03C 526
Patent
active
050413635
ABSTRACT:
A method of processing a silver halide photographic material with a compact and high speed automatic processor is disclosed. The developing solution contains hydroquinone, 1-phenyl-4-methyl-3-pyrazolidone, and 1-phenyl-4,4-dimethyl-3-pyrazolidone or 1-phenyl-4-methyl-4-hydroxy-methyl-3-pyrazolidone. The method is suitable for an X-ray photographic material.
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patent: 4391900 (1983-07-01), Toyoda et al.
patent: 4693956 (1987-09-01), Marchesano
patent: 4810622 (1989-03-01), Yamada et al.
patent: 4863830 (1989-09-01), Okutsu et al.
Konica Corporation
Le Hoa Van
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