Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Identified radiation sensitive composition with color...
Patent
1985-04-18
1986-09-23
Downey, Mary F.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Identified radiation sensitive composition with color...
430552, 430553, 430558, 430505, G03C 732, G03C 734
Patent
active
046135642
ABSTRACT:
A silver halide photographic material having one or more silver halide emulsion layers formed on a support is disclosed, wherein at least one of said silver halide emulsion layers contains a cyan coupler of formula (I) in combination with a cyan coupler of formula (II) ##STR1## (wherein R.sub.1 is a ballast group; R.sub.2 is a halogen atom or a monovalent organic group; m is an integer of 0 to 4, provided that when m is 2 or more, R.sub.2 may be the same or different; R.sub.3 is a hydrogen atom or a halogen atom; W is a halogen atom or an alkyl group; and Z.sub.1 is a hydrogen atom or a group capable of leaving upon reaction with the oxidized product of an aromatic primary amine color developing agent); ##STR2## (wherein R.sub.4 is an alkyl or alkoxy group; n is an integer of 0 to 5, provided that when n is 2 or more, R.sub.4 may be the same or different; R.sub.5 is an alkylene group; R.sub.6 is an alkyl group; R.sub.7 is a hydrogen atom, a halogen atom or an alkyl group; and Z.sub.2 is a hydrogen atom or a group capable of leaving upon reaction with the oxidized product of an aromatic primary amine color developing agent).
REFERENCES:
patent: 4427767 (1984-01-01), Aoki et al.
patent: 4458012 (1984-07-01), Ito et al.
patent: 4537857 (1985-08-01), Takada et al.
Kadowaki Takashi
Onodera Kaoru
Takada Shun
Downey Mary F.
Konishiroku Photo Industry Co,., Ltd.
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