Continuous azo coupling process
    1.
    发明授权
    Continuous azo coupling process 失效
    连续偶氮偶合过程

    公开(公告)号:US4252718A

    公开(公告)日:1981-02-24

    申请号:US11049

    申请日:1979-02-09

    CPC classification number: C09B41/006 C09B41/005 Y10S534/07

    Abstract: A process for the preparation of an aqueous slurry of a water-insoluble azo compound which comprises continuously mixing together, in a reaction zone from which the slurry is continuously removed, a first stream containing a diazonium compound resulting from the diazotization of a heterocyclic or weakly basic benzenoid amine in an acid medium, hereinafter referred to as the diazo component, and a second stream containing a compound capable of coupling with the diazo component under the conditions existing in the reaction zone to form a water-insoluble azo compound hereinafter referred to as the coupling component.

    Abstract translation: 一种制备水不溶性偶氮化合物的水性浆液的方法,其包括在连续除去浆料的反应区中连续混合含有由杂环或弱的重氮化产生的重氮化合物的第一流 酸性介质中的碱式苯胺,以下称为重氮组分,以及含有能够在反应区中存在的条件下与重氮组分偶联的化合物的第二料流,以形成以下称为不溶于水的偶氮化合物 耦合部件。

    Electrophotographic photoreceptor comprising azo compounds
    5.
    发明授权
    Electrophotographic photoreceptor comprising azo compounds 失效
    包含偶氮化合物的电子照相感光体

    公开(公告)号:US4618555A

    公开(公告)日:1986-10-21

    申请号:US686991

    申请日:1984-12-27

    CPC classification number: G03G5/0688 C09B35/35 C09B35/36 G03G5/0694 Y10S534/01

    Abstract: An electrophotographic photoreceptor according to this invention has a photosensitive layer in which a photoconductive substance with the following general formula (I): ##STR1## wherein X is selected from the group consisting of hydrogen atom, lower alkyl group, lower alkoxy group, halogen atom and cyano group;Y is phenylene or naphthylene group;Z.sub.1 and Z.sub.2 are independently the divalent group represented by the following formula: ##STR2## wherein A is a divalent group derived from the aromatic hydrocarbon or heterocyclic compound including one or more nitrogen atoms in the ring; andn is 1 or 2, is incorporated.

    Abstract translation: 根据本发明的电子照相感光体具有感光层,其中具有以下通式(I)的光电导物质:其中X选自氢原子,低级烷基,低级烷氧基 ,卤素原子和氰基; Y是亚苯基或亚萘基; Z1和Z2独立地是由下式表示的二价基团:其中A是衍生自在环中包含一个或多个氮原子的芳族烃或杂环化合物的二价基团; 并且n为1或2。

    Symmetrical hexakisazo compounds having a 2,2'-disulfostilbenyl central
radical
    6.
    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

    Applicant: Zdenek Allan

    Inventor: Zdenek Allan

    CPC classification number: C09B35/64 C09B43/08 Y10S8/919

    Abstract: 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.

    Abstract translation: 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。

    Tetrakisazo dyestuffs
    7.
    发明授权
    Tetrakisazo dyestuffs 失效
    四唑偶氮染料

    公开(公告)号:US4055558A

    公开(公告)日:1977-10-25

    申请号:US280230

    申请日:1972-08-14

    Applicant: Hermann Goebel

    Inventor: Hermann Goebel

    CPC classification number: D06P3/3226 C09B35/56

    Abstract: The subject matter of the present invention relates to tetrakisazo dyestuffs which in the acid form correspond to the formula ##STR1##wherein Z.sub.1, Z.sub.2 = an optionally substituted amino groupR = h or a non-ionogenic substituent, in particular halogen or alkyl,n = an integer of 1 to 3The rings A and B possible having further substituents, for example, alkoxy groups, such as methoxy groups, and the substituents R as well as Z.sub.1 and Z.sub.2 being the same or different. The new dyestuffs are suitable for dyeing and printing of natural fiber materials and distinguish themselves by good fastness properties.

    Abstract translation: 本发明的主题涉及四唑偶氮染料,其酸形式对应于下式:其中Z 1,Z 2 =任选取代的氨基R = H或非离子型取代基,特别是 卤素或烷基,N = 1至3的整数,可能具有另外的取代基的环A和B,例如烷氧基,例如甲氧基,取代基R以及Z1和Z2相同或不同。 新型染料适用于天然纤维材料的染色和印花,并通过良好的牢度特性进行区分。

    Symmetrical trisazo dye obtained by coupling tetrazotized
4-4'-diaminozobenzene with 2-carboxymethylamin0-8-naphthol-6-sulphonic
acid
    10.
    发明授权
    Symmetrical trisazo dye obtained by coupling tetrazotized 4-4'-diaminozobenzene with 2-carboxymethylamin0-8-naphthol-6-sulphonic acid 失效
    通过将四唑化的4-4'-二氨基苯与2-羧甲基甲基氨基-8-萘酚-6-磺酸偶联得到的对称三偶氮染料

    公开(公告)号:US4248776A

    公开(公告)日:1981-02-03

    申请号:US33225

    申请日:1979-04-25

    CPC classification number: C09B35/35

    Abstract: The present invention concerns a new acid trisazo dye suited for the dyeing of natural and synthetic polyamidic fibres and particularly for the dyeing of leather. The dye has the following structural formula: ##STR1## and dyes in a full black shade. The present invention also includes a process for the preparation of dye (I) and comprises tetrazotizing 4-4' diaminoazobenzene and then coupling the tetrazo-compound thus formed with 2 molecules of 2-carboxymethylamino-8-naphtol-6-sulphonic acid (carboxy methyl-gamma acid) in an alkaline medium.

    Abstract translation: 本发明涉及适用于天然和合成聚酰胺纤维染色的新型酸性三偶氮染料,特别是用于染色皮革。 该染料具有以下结构式:(I)和全黑色染料。 本发明还包括制备染料(I)的方法,并且包括将4-4'-二氨基偶氮苯四唑化,然后将由此形成的双偶氮化合物与2分子的2-羧甲基氨基-8-萘酚-6-磺酸(羧基 甲基-γ酸)在碱性介质中。

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