Patent classifications
C
CHEMISTRY; METALLURGY
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C09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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C09B
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; , e.g. PIGMENTS; MORDANTS; LAKES
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29/00
Monoazo dyes prepared by diazotising and coupling
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C09B29/06
from coupling components containing amino as the only directing group
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C09B29/0807
characterised by the amino group
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C09B29/0811
further substituted alkylamino, alkenylamino, alkynylamino, cycloalkylamino aralkylamino or arylamino
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C09B29/0823

Azo compound, ink containing azo compound, and display and electronic paper containing the ink
09732226 · 2017-08-15 · ·

An azo compound excellent in solubility in solvent and having a high absorbance coefficient is disclosed, as well as an ink containing the azo compound. Such an ink contains a solvent having a relative permittivity at 22° C. and at a measurement frequency of 1 kHz of 3 or less and having a solubility in water at 25° C. of 20 mg/L or less, and an azo compound.