Method for producing a liquid formulation of salts of sulfoacidic azo dyes
    1.
    发明授权
    Method for producing a liquid formulation of salts of sulfoacidic azo dyes 失效
    制备磺酸偶氮染料盐液体制剂的方法

    公开(公告)号:US07488810B2

    公开(公告)日:2009-02-10

    申请号:US10534057

    申请日:2003-11-17

    IPC分类号: C09B35/52 C09B67/26

    摘要: A process for preparing a liquid formulation of salts of sulfonated azo dyes, comprising a) preparing vesuvin from m-phenylenediamine; b) without interveningly isolating the vesuvin coupling an at least equimolar amount of diazotized aminoarylsulfonic acids I H2N—Ar—SO3H  (I), where Ar is phenylene (which may be monosubstituted by sulfo) or naphthalene (which may be mono- or disubstituted by sulfo and/or monosubstituted by hydroxyl) onto vesuvin and c) isolating the dyes in their acid form and subsequently dissolving them in aqueous bases.

    摘要翻译: 一种制备磺化偶氮染料盐的液体制剂的方法,包括a)由间苯二胺制备维维酮; b)不干涉地将维苏文耦合分离至少等摩尔量的重氮化氨基芳基磺酸I <βin-line-formula description =“In-line Formulas”end =“lead”→> H2N-Ar-SO3H(I) 其中Ar为亚苯基(可以被磺基单取代)或萘(可以被磺基单取代或/或被单取代) 羟基),并且c)以它们的酸形式分离染料,随后将它们溶解在水性碱中。

    Symmetrical hexakisazo compounds having a 2,2'-disulfostilbenyl central
radical
    4.
    发明授权
    Symmetrical hexakisazo compounds having a 2,2'-disulfostilbenyl central radical 失效
    具有2,2(40-二磺基二苯基中心基团)的对称六氮杂偶合物

    公开(公告)号:US4141889A

    公开(公告)日:1979-02-27

    申请号:US819241

    申请日:1977-07-27

    申请人: Zdenek Allan

    发明人: Zdenek Allan

    CPC分类号: C09B35/64 C09B43/08 Y10S8/919

    摘要: Symmetrical hexakisazo compounds of the formula ##STR1## and mixtures of such compounds, WHEREINEach X is hydrogen or --SO.sub.3 M,each R.sub.1 is --OH or --NH.sub.2,each R.sub.2 is --OH or --NH.sub.2,each Y is hydrogen, methyl, or --SO.sub.3 M, andEach M, independently, is hydrogen or a non-chromophoric cation,Their production, dye compositions containing them, and their use in the dyeing of cellulosic substrates such as cotton and paper.

    摘要翻译: 式(VI)所示的对称六氮杂异构体和这些化合物的混合物,其中每个X是氢或-SO 3 M,每个R 1是-OH或-NH 2,每个R 2是-OH或-NH 2,每个Y是 氢,甲基或-SO 3 M,而EACH M独立地是氢或非发色阳离子。它们的生产,包含它们的染料组合物及其在细胞基质如棉花和纸浆的染色中的用途。

    Tetraazo direct urea-derived dye having a core of H-acid, K-acid or
S-acid
    8.
    发明授权
    Tetraazo direct urea-derived dye having a core of H-acid, K-acid or S-acid 失效
    具有H酸,K酸或S酸的核心的四氯乙烯直接尿素衍生的染色体

    公开(公告)号:US4013634A

    公开(公告)日:1977-03-22

    申请号:US444294

    申请日:1974-02-21

    IPC分类号: C09B35/52 C09B43/14

    CPC分类号: C09B43/14 C09B35/52

    摘要: Water-soluble polyazo direct dyes for paper and other cellulosics having the formula ##SPC1##Wherein:R is selected from unsubstituted phenyl, unsubstituted naphthyl, phenyl substituted with up to 3 substituents and naphthyl substituted with up to 3 substituents, said substituents selected from the group methyl, ethyl, methoxy, ethoxy, sulfonic acid, benzothiazolyl, and chlorotrimethylammonium acetyl, andX, y and Z are substituted so as to give derivatives of at least one of 1-amino-8-naphthol-4,6-disulfonic acid, 1-amino-8-naphthol-3,6-disulfonic acid, and 1-amino-8-naphthol-4-sulfonic acid.