Radiation imagery chemistry: process – composition – or product th – Post imaging processing – Positive
Patent
1984-11-28
1986-07-08
Louie, Won H.
Radiation imagery chemistry: process, composition, or product th
Post imaging processing
Positive
430581, 430596, G03C 524, G03C 102
Patent
active
045993009
ABSTRACT:
There is provided a high speed and high contrast direct positive silver halide photographic emulsion which is free of discoloration by containing therein a dimethine dye having an indolenine ring which contains a cyano group as a substituent.
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patent: 4510235 (1985-04-01), Ukai et al.
Koga Masao
Miura Hidetoshi
Tanaka Akira
Louie Won H.
Mitsubishi Paper Mills Ltd.
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