Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Pigments used as dyes
Reexamination Certificate
2009-03-05
2011-12-20
Elhilo, Eisa (Department: 1761)
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Pigments used as dyes
C008S639000, C008S690000, C008S692000, C106S031600
Reexamination Certificate
active
08080067
ABSTRACT:
To provide an azo pigment composition exhibiting very good hue and light fastness and having excellent tinctorial strength (color density) and preferably further provide an azo pigment composition containing an azo pigment having characteristic X-ray diffraction peaks at different positions or a tautomer thereof. An azo pigment composition comprising at least one kind of an azo pigment represented by formula (1) having characteristic X-ray diffraction peaks at Bragg angles(20±0.2°) of 7.6°, 25.6° and 27.7° in the CuKα characteristic X-ray diffraction or a tautomer thereof:
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Hayashi Shinya
Tateishi Keiichi
Elhilo Eisa
Fujifilm Corporation
Sughrue & Mion, PLLC
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