Azoxy dyes and copper complexes thereof
    3.
    发明授权
    Azoxy dyes and copper complexes thereof 失效
    偶氮染料及其铜络合物

    公开(公告)号:US06903197B2

    公开(公告)日:2005-06-07

    申请号:US10795585

    申请日:2004-03-09

    CPC分类号: C09B45/28 C09B43/10 C09B43/44

    摘要: Azoxy dyes of the general formula I in the form of the free acid where n is 0 or 1, each R1 is selected from the group consisting of methoxy, hydroxyl and carboxyl, each R2 is selected from the group consisting of carboxyl, amino, C1-C4-alkylamino, allylamino, benzylamino and methoxycarbonylmethylamino, and the phenyl rings A may additionally be substituted by C1-C8-alkyl, unsubstituted or methyl- or halogen-substituted phenyl, hydroxyl, amino, nitro, halogen, carboxyl, N-benzylcarbamoyl, unsubstituted or nitro-, halogen-, C1-C4-alkoxy- or acetoxy-substituted phenylcarbamoyl and naphthylcarbamoyl or be benzofused, their copper complexes, a process for preparing the copper complex dyes, azoxy dyes of the formula I in their partially or completely deacylated form, their copper complexes, colorants comprising these azoxy dyes and/or their copper complexes and also their use for dyeing and printing natural or synthetic substrates.

    摘要翻译: n为0或1的游离酸形式的通式I的芳氧基染料,每个R 1选自甲氧基,羟基和羧基,每个R 2 选自羧基,氨基,C 1 -C 4 - 烷基氨基,烯丙基氨基,苄基氨基和甲氧基羰基甲基氨基,苯基环A可以另外 被C 1 -C 8 - 烷基取代,未取代的或甲基或卤素取代的苯基,羟基,氨基,硝基,卤素,羧基,N-苄基氨基甲酰基,未取代的 或硝基,卤素,C 1 -C 4 - 烷氧基或乙酰氧基取代的苯基氨基甲酰基和萘基氨基甲酰基或苯并稠合,它们的铜配合物,制备铜的方法 复合染料,它们部分或完全脱酰基形式的式I的偶氮染料,它们的铜络合物,包含这些偶氮染料和/或它们的铜络合物的着色剂,以及它们用于染色和印刷的用途 ral或合成底物。

    Process for the preparation of reactive azo dyes
    4.
    发明授权
    Process for the preparation of reactive azo dyes 失效
    反应性偶氮染料的制备方法

    公开(公告)号:US5872228A

    公开(公告)日:1999-02-16

    申请号:US875812

    申请日:1997-08-05

    申请人: Klaus Kunde

    发明人: Klaus Kunde

    CPC分类号: C09B62/0064 C09B43/44

    摘要: Reactive dyestuffs of the formula (I) ##STR1## wherein A denotes the radical of a diazo component andX is a fibre-reactive heterocyclic radicalare obtained by hydrolysis of maleylated azo dyestuffs of the formula (IV) ##STR2## and subsequent reaction with reactive components of the formula X-Hal without intermediate isolation, the other substituents having the meaning given in the description.

    摘要翻译: PCT No.PCT / EP96 / 00296 Sec。 371日期:1997年8月5日 102(e)日期1997年8月5日PCT 1996年1月25日PCT公布。 公开号WO96 / 24637 日期1988年8月15日式(I)的活性染料其中A表示重氮组分的基团,X表示纤维反应性杂环基团,通过水解式(IV)的马来酰化偶氮染料 (IV)和随后与式X-Hal的反应性组分反应而不进行中间分离,其它取代基具有在说明书中给出的含义。