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    Stabilizer of color former and use thereof
    1.
    发明公开
    Stabilizer of color former and use thereof 审中-公开
    StabilisatorfürFarbentwickler und seine Verwendung

    公开(公告)号：EP2543706A2

    公开(公告)日：2013-01-09

    申请号：EP12187536.3

    申请日：2009-03-18

    申请人： ARKRAY, Inc.

    发明人： Yonehara, Satoshi ,  Inamura, Norio

    IPC分类号： C09B21/00 ,  C12Q1/26 ,  C12Q1/37 ,  G01N21/78 ,  C09B11/28 ,  C09B27/06 ,  C09B29/10 ,  C09B61/00 ,  G01N31/22 ,  C09B11/08 ,  C09B29/36 ,  C09B67/22 ,  C09B67/38 ,  G01N33/53

    CPC分类号： C09B21/00 ,  B82Y30/00 ,  C09B11/08 ,  C09B29/103 ,  C09B29/366 ,  C09B67/0033 ,  C09B67/0041 ,  C09B67/0089

    摘要： The present invention provides a stabilizer that can stabilize a salt of 10-(carboxymethylaminocarbonyl)-3,7-bis(dimethylamino)phenothiazine or a derivative thereof even under the existence of moisture or under light irradiation. A compound described in at least one of (1) and (2) and a compound described in at least one of (3) and (4) below is used as the stabilizer of the salt of 10-(carboxymethylaminocarbonyl)-3,7-bis(dimethylamino)phenothiazine or the derivative thereof.
    (1) a surfactant having an alkyl group with a carbon number of 8 to 16;
    (2) at least one pigment substance selected from the group consisting of a compound represented by the following formula (I), a compound represented by the following formula (II), and a flavonoid pigment:

            R 1 -N=N-R 2      (I)



    (3) quaternary ammonium having a hydrocarbon group with a carbon number of 12 or higher or a salt thereof; and
    (4) β-cyclodextrin or a derivative thereof.

    摘要翻译： 本发明提供了即使在水分存在或光照射下也能稳定10-（羧甲基氨基羰基）-3,7-双（二甲基氨基）吩噻嗪或其衍生物的盐的稳定剂。 使用（1）和（2）中至少之一描述的化合物和下述（3）和（4）中至少一个中所述的化合物作为10-（羧甲基氨基羰基）-3,7 双（二甲氨基）吩噻嗪或其衍生物。 （1）碳数为8〜16的烷基的表面活性剂; （2）选自由下式（I）表示的化合物，下式（II）表示的化合物和类黄酮颜料的至少一种颜料物质：€ƒ€ƒ€ƒ€ ƒ€ƒ€ƒƒR 1 -N = NR 2€ƒ€ƒ€ƒ（I）（3）碳数为12以上的烃基季铵或其盐; 和（4）β-环糊精或其衍生物。