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    Ink composition, ink for inkjet recording and inkjet recording method
    2.
    发明授权
    Ink composition, ink for inkjet recording and inkjet recording method 有权
    油墨组合物，喷墨记录用油墨和喷墨记录方法

    公开(公告)号：US08834619B2

    公开(公告)日：2014-09-16

    申请号：US14030112

    申请日：2013-09-18

    申请人： FUJIFILM Corporation

    发明人： Yoshiaki Nagata ,  Keiichi Tateishi ,  Toshiharu Tanaka

    IPC分类号： C09D11/02 ,  C09B31/153 ,  C09B31/072 ,  C09B31/20 ,  C09B31/28 ,  C09B31/30 ,  C09D11/00 ,  C09B31/08 ,  C09B35/60 ,  C09B33/28 ,  C09B56/04 ,  C09B33/22 ,  C09B33/26 ,  C09B35/54

    CPC分类号： C09D11/328 ,  C09B31/08 ,  C09B31/153 ,  C09B31/20 ,  C09B31/28 ,  C09B31/30 ,  C09B33/22 ,  C09B33/26 ,  C09B33/28 ,  C09B35/54 ,  C09B35/60 ,  C09B56/04

    摘要： An ink composition containing at least two kinds of water-soluble long-wavelength dyes whose absorption spectrum in an aqueous solvent has a maximum wavelength of 550 nm to 700 nm, in which at least one kind of the water-soluble long-wavelength dyes is a first water-soluble long-wavelength dye of an azo compound represented by the following Formula (1), at least one kind of the water-soluble long-wavelength dyes is a second water-soluble long-wavelength dye that is different from the first water-soluble long-wavelength dye, and the second water-soluble long-wavelength dye is a compound having two to four azo groups conjugated with each other per molecule, an ink for inkjet recording using the ink composition, and an inkjet recording method using the ink for inkjet recording using the ink for inkjet recording. Formula (1):

    摘要翻译： 一种油墨组合物，其含有至少两种水溶性长波长染料，其水溶液中的吸收光谱具有550nm至700nm的最大波长，其中至少一种水溶性长波长染料为 由下式（1）表示的偶氮化合物的第一种水溶性长波长染料，至少一种水溶性长波长染料是与第二种水溶性长波长染料不同的第二种水溶性长波长染料 第一水溶性长波长染料和第二水溶性长波长染料是具有每分子彼此共轭的2-4个偶氮基的化合物，使用该油墨组合物的喷墨记录用油墨和喷墨记录方法 使用用于喷墨记录的墨水的墨水用于喷墨记录。 公式1）：

    Azo compound, and dye-containing polarizing film comprising the same
    9.
    发明授权
    Azo compound, and dye-containing polarizing film comprising the same 有权
    偶氮化合物和含有该染料的偏光膜

    公开(公告)号：US08232375B2

    公开(公告)日：2012-07-31

    申请号：US12739210

    申请日：2008-10-30

    申请人： Takahiro Higeta ,  Hiroaki Ohno ,  Yuichi Sadamitsu

    发明人： Takahiro Higeta ,  Hiroaki Ohno ,  Yuichi Sadamitsu

    IPC分类号： G02B5/30 ,  C07C245/10

    CPC分类号： C07D249/22 ,  C09B31/072 ,  C09B31/08 ,  C09B31/20 ,  C09B31/22 ,  C09B31/30 ,  C09B45/28 ,  C09B56/08 ,  G02B5/3025 ,  G02B5/3033

    摘要： Disclosed is an azo compound represented by the formula (1) or (2) or a salt thereof. The azo compound or the salt thereof has an excellent light-polarizing property, and is extremely useful as a dichroic dye for use in a polarizing plate that shows less color leakage in a visible light range or a polarizing plate for a liquid crystal projector comprising the aforementioned polarizing plate. (1) (2) wherein R1 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a hydroxyl group, a sulfonate group or a carboxyl group; R2 to R5 independently represent a hydrogen atom, a lower alkyl group, a lower alkoxy group or an acetylamino group; X represents a benzoylamino group which may have a substituent, a phenylamino group which may have a substituent, a phenylazo group which may have a substituent, or a naphthotriazole group which may have a substituent; m represents a numeral number of 1 or 2; and n represents a numeral number of 0 or 1.

    摘要翻译： 公开了由式（1）或（2）表示的偶氮化合物或其盐。 偶氮化合物或其盐具有优异的光偏振性，并且作为用于偏光板的二色性染料非常有用，该偏光板在可见光范围内显示较少的色漏，或用于液晶投影仪的偏振片包括 上述偏振片。 （1）（2）其中R1表示氢原子，低级烷基，低级烷氧基，羟基，磺酸酯基或羧基; R2至R5独立地表示氢原子，低级烷基，低级烷氧基或乙酰氨基; X表示可以具有取代基的苯甲酰氨基，可以具有取代基的苯基氨基，可以具有取代基的苯偶氮基或可具有取代基的萘并三唑基; m表示1或2的数字; n表示数字0或1。