Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Pigments used as dyes
Reexamination Certificate
2009-03-05
2011-11-22
Elhilo, Eisa (Department: 1761)
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Pigments used as dyes
C008S639000, C008S662000, C008S688000, C008S690000, C008S692000, C008S693000, C106S031130
Reexamination Certificate
active
08062383
ABSTRACT:
To provide an azo pigment composition having extremely good hue and extremely good light fastness and showing excellent tinctorial strength (color density) and, preferably, to provide an azo pigment composition further containing an azo pigment having characteristic X-ray diffraction peaks at different positions or a tautomer thereof An azo pigment composition which contains at least one azo pigment represented by the following formula (1) and having characteristic peaks at Bragg angles (20±0.2°) of 7.2° and 25.9° in X-ray diffraction with the characteristic Cu Kα line, or a tautomer thereof:.
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Elhilo Eisa
FUJIFILM Corporation
Sughrue & Mion, PLLC
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