Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1989-03-10
1991-07-16
Schilling, Richard L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430387, 430558, G03C 738
Patent
active
050324977
ABSTRACT:
A silver halide photo-sensitive material having at least one silver halide emulsion layer on a support, characterized by that said silver halide emulsion layer contains at least one magenta-forming coupler of 1H-pyrazolo[ 3,2-c]-s-triazole type which is substituted by a tertiary alkyl group at the 3-position and, by another releasable group than a hydrogen atom at the 7-position.
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Katoh Katsunori
Kawakatsu Satoshi
Nakayama Noritaka
Shinozaki Kaoru
Konishiroku Photo Industry Co,., Ltd.
Schilling Richard L.
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