Cationic polyazo dyestuffs, their stable solutions, their preparation,
and their use
    2.
    发明授权
    Cationic polyazo dyestuffs, their stable solutions, their preparation, and their use 失效
    阳离子多偶氮染料,它们的稳定溶液,其制备及其用途

    公开(公告)号:US4502862A

    公开(公告)日:1985-03-05

    申请号:US571011

    申请日:1984-01-16

    申请人: Roderich Rave

    发明人: Roderich Rave

    摘要: Cationic polyazo dyestuffs which can be obtained by reacting diaminobenzene derivatives of the general formula ##STR1## wherein R represents hydrogen, C.sub.1 - to C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -alkoxy or halogen,if appropriate in a mixture with up to 30% of aromatic monoamines of the formula ##STR2## wherein R.sup.2 represents hydrogen, C.sub.1 - to C.sub.4 -alkyl, C.sub.1 - to C.sub.4 -alkoxy, halogen or C.sub.1 - to C.sub.4 -acylamino and n represents 1 to 3,with 0.5 to 0.75 mole of a salt or ester of nitrous acid per mole of diamine and then with 1 to 4 moles of an alkylene oxide of the formula ##STR3## wherein R.sup.3 represents hydrogen or an optionally hydroxyl-, alkoxy- or halogen-substituted C.sub.1 - to C.sub.4 -alkyl radical,are used--preferably in the form of their solutions--for dyeing paper, leather and anionically modified synthetic fibres.

    摘要翻译: 阳离子多偶氮染料,其可以通过使通式为“IMAGE”的二氨基苯衍生物,其中R表示氢,C 1至C 4 - 烷基,C 1至C 4 - 烷氧基或卤素,如果合适的话,可与至多30% 其中R 2表示氢,C 1至C 4 - 烷基,C 1至C 4 - 烷氧基,卤素或C 1至C 4 - 酰基氨基,n表示1至3,其中0.5至0.75摩尔盐 或亚硝酸酯每摩尔二胺,然后与1至4摩尔下式的烯化氧,其中R 3表示氢或任选的羟基,烷氧基或卤素取代的C 1至C 4 - 烷基, 用于染色纸,皮革和阴离子改性合成纤维,优选以其溶液的形式。

    Novel azo dye compound
    6.
    发明申请
    Novel azo dye compound 有权
    新型偶氮染料化合物

    公开(公告)号:US20060142553A1

    公开(公告)日:2006-06-29

    申请号:US11280345

    申请日:2005-11-17

    IPC分类号: C07D237/36 C07D403/02

    摘要: A compound represented by formula (I): Formula (I) wherein Z1 and Z2 each are atoms necessary for forming an aromatic ring; V1 and V2 each are a substituent W1 or W2; when at least one V1 is W1, at least one V2 is W2, or when at least one V1 is W2, at least one V2 is W1; r is 1 to 4; s is 1 to 4; M1 is a counter ion; m1 is the number necessary for neutralizing charge; W1 is a hydroxyl, primary- or secondary- or tertiary-amino, acylamino, or sulfonamido group; W2 is a nitro, cyano, alkoxycarbonyl, aryloxycarbonyl, alkyl- or aryl-sulfonyl, carbamoyl, sulfamoyl, alkenyl, alkynyl, aryl, heterocyclic, sulfo, carboxyl, heterocyclic oxy, ammonio, alkyl- or aryl-sulfinyl, alkyl- or aryl-sulfonyl, acyl, or aryl- or heterocyclic-azo group; and the aromatic ring may have a substituent other than V1 and V2.

    摘要翻译: 式(I)表示的化合物:式(I)其中Z 1和Z 2各自为形成芳环所必需的原子; V 1和V 2各自为取代基W 1或W 2; 当至少一个V 1是W 1时,至少一个V 2是W 2 2,或者当在 至少一个V 1是W 2,至少一个V 2是W 1; r为1〜4; s是1到4; M 1是抗衡离子; m 1 是中和电荷所需的数量; W 1是羟基,伯或仲或叔氨基,酰氨基或亚磺酰氨基; W 2是硝基,氰基,烷氧基羰基,芳氧基羰基,烷基 - 或芳基 - 磺酰基,氨基甲酰基,氨磺酰基,烯基,炔基,芳基,杂环,磺基,羧基,杂环氧基,氨基,烷基 - 或 芳基 - 亚磺酰基,烷基 - 或芳基 - 磺酰基,酰基或芳基 - 或杂环 - 偶氮基; 芳环可以具有除V 1和V 2以外的取代基。

    Preparation of liquid formulations of basic azo dyes in carboxylic acid
solution and subsequent heating
    7.
    发明授权
    Preparation of liquid formulations of basic azo dyes in carboxylic acid solution and subsequent heating 失效
    在羧酸溶液中随后加热制备碱性偶氮染料的液体制剂

    公开(公告)号:US4923972A

    公开(公告)日:1990-05-08

    申请号:US181579

    申请日:1988-04-14

    申请人: Karl Schmeidl

    发明人: Karl Schmeidl

    摘要: Liquid formulations of basic azo dyes are prepared from unsubstituted or C.sub.1 -C.sub.4 -alkyl- or C.sub.1 -C.sub.4 -alkoxy-substituted m-phenylenediamine by diazotizing and coupling in carboxylic acid solution, which comprises performing the reaction with 0.76 to 0.95 mole of nitrile, calculated as nitrous acid and based on 1 mole of m-phenylenediamine, and then heating the resulting reaction mixture at from 60.degree. C. to the boiling point of the reaction mixture.

    摘要翻译: 通过在羧酸溶液中重氮化和偶联,从未取代的或C 1 -C 4 - 烷基 - 或C 1 -C 4 - 烷氧基取代的间苯二胺制备碱性偶氮染料的液体制剂,其包括用0.76-0.95摩尔腈进行反应, 以亚硝酸计算,并以1摩尔间苯二胺计算,然后将得到的反应混合物在60℃加热至反应混合物的沸点。