Silver halide color photographic light-sensitive material, pyrrolotriazole compound, and dye-forming compound
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United States of America Patent
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Aug 10, 2004
Grant Date -
Jun 20, 2002
app pub date -
Sep 27, 2001
filing date -
Sep 28, 2000
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Abstract
Pyrrolotriazole compounds of the formula (I) and silver halide color photographic light-sensitive materials containing the compound as a cyan coupler, are disclosed: ##STR1## wherein R.sup.1 and R.sup.2 each independently are an alkyl, cycloalkyl, alkenyl, aryl or heterocyclic group, or R.sup.1 and R.sup.2 may bond together to form a 5- or 6-membered nitrogen-containing heterocycle; R.sup.3 is an alkyl, cycloalkyl or alkenyl group; R.sup.5 is an alkyl or aryl group; R.sup.4, R.sup.6, R.sup.7 and R.sup.8 each independently are a hydrogen atom or a substituent, with the proviso that at least one of R.sup.4, R.sup.6, R.sup.7 and R.sup.8 is a substituent, and that two groups of R.sup.4 to R.sup.8, which adjoin each other, do not bond together to form any ring.
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