Radiation imagery chemistry: process – composition – or product th – Color imaging process – Using identified radiation sensitive composition in the...
Patent
1981-01-14
1983-01-11
Brown, J. Travis
Radiation imagery chemistry: process, composition, or product th
Color imaging process
Using identified radiation sensitive composition in the...
430385, 430552, 430553, 430558, G03C 700
Patent
active
043682570
ABSTRACT:
A method of forming a cyan dye image by development of an exposed silver halide photographic material with a developer containing a cyan coupler having one of the following formulae: ##STR1## wherein R.sub.1 is a hydrogen atom or alkyl having 1 to 20 carbon atoms; R.sub.2 is alkyl, aryl, or a hetero ring; R.sub.3 is hydrogen or halogen; X is arylene or alkylene; Z is a coupling off group; n is 1 or 2; ##STR2## wherein Cy, Cy' and Cy" are individually a cyclic aliphatic, aromatic or heterocyclic group; R, R' and R" are individually alkyl; A is hydrogen or a monovalent organic group, Y is a divalent organic group, K, l, m, m' m" are individually 0 or 1, provided that when m=0, Cy is a cyclic aliphatic or heterocyclic group.
REFERENCES:
patent: 2801171 (1957-07-01), Fierke et al.
patent: 3839044 (1974-10-01), Salminen et al.
patent: 4124396 (1978-11-01), Osborn
patent: 4299914 (1981-11-01), Fujimatsu et al.
Fujimatsu Wataru
Matsuura Katsumi
Sasaki Osamu
Usagawa Yasushi
Brown J. Travis
Konishiroku Photo Industry Co,., Ltd.
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