QUINOPHTHALONE COMPOUND AND COLORING COMPOSITION

PROBLEM TO BE SOLVED: To provide a yellow compound excellent in color characteristics such as coloring power, clarity and hue and in durability such as light resistance and heat resistance.SOLUTION: A quinophthalone compound is represented by general formula (1). In the formula: A is a divalent orga...

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Bibliographic Details
Main Authors MASAOKA TOSHIHIRO, HORIUCHI KENICHIRO, TAKUMA HIROSUKE
Format Patent
LanguageEnglish
Published 26.04.2012
Subjects
ADHESIVES
CHEMISTRY
DYES
HETEROCYCLIC COMPOUNDS
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
ORGANIC CHEMISTRY
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
PHYSICS
POLISHES
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Summary:PROBLEM TO BE SOLVED: To provide a yellow compound excellent in color characteristics such as coloring power, clarity and hue and in durability such as light resistance and heat resistance.SOLUTION: A quinophthalone compound is represented by general formula (1). In the formula: A is a divalent organic residue. Preferably, the organic residue is selected from a phenylene group, an alkylene group, an alicyclic alkylene group, and specific connected biphenyl groups.
Bibliography:Application Number: JP20100230603