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    Method for producing liquid composition for basic azo dye
    1.
    发明专利
    Method for producing liquid composition for basic azo dye 有权
    用于生产基本AZO染料的液体组合物的方法

    公开(公告)号：JP2003306612A

    公开(公告)日：2003-10-31

    申请号：JP2003106963

    申请日：2003-04-10

    Applicant: Basf Ag ,  ビーエーエスエフ アクチェンゲゼルシャフト

    Inventor： SCHMIDT MICHAEL ,  MERGER ROLAND ,  TRESCH RAINER

    IPC: C09B33/04 ,  C09B41/00 ,  C09B44/06 ,  C09B67/34 ,  C09B69/06

    CPC classification number: C09B67/0076 ,  C09B41/001 ,  C09B44/06 ,  C09B69/065

    Abstract: PROBLEM TO BE SOLVED: To provide a method for producing a stable dye solution which is used as a direct liquid composition or a base material for the same without requiring a complicated and expensive isolating operation.
    SOLUTION: The method comprises performing a diazotization reaction at a pH adjusted to have an acidic value by using pure methanesulfonic acid or a mixture of monobasic acids containing at least ≥20 mole%, preferably ≥50 mole%, especially ≥80 mole% methanesulfonic acid.
    COPYRIGHT: (C)2004,JPO

    Abstract translation: 要解决的问题：提供一种稳定的染料溶液的制备方法，其用作直接液体组合物或用于其的基材，而不需要复杂和昂贵的隔离操作。 解决方案：该方法包括通过使用纯甲磺酸或含有至少≥20摩尔％，优选≥50摩尔％，特别是≥80摩尔的一元酸的混合物，将pH调节至具有酸性值的pH进行重氮化反应 ％甲磺酸。 版权所有（C）2004，JPO

    Naphtholactam dyes
    8.
    发明专利
    Naphtholactam dyes 未知

    公开(公告)号：AU3342695A

    公开(公告)日：1996-03-14

    申请号：AU3342695

    申请日：1995-08-04

    Applicant: BASF AG

    Inventor： GRUND CLEMENS ,  SCHEFCZIK ERNST ,  LAMM GUNTHER ,  MERGER ROLAND ,  SENS RUDIGER

    IPC: C07D401/04 ,  C07D495/04 ,  C07D495/06 ,  C09B57/00 ,  C09B57/06

    Abstract: PCT No. PCT/EP95/03112 Sec. 371 Date Feb. 18, 1997 Sec. 102(e) Date Feb. 18, 1997 PCT Filed Aug. 4, 1995 PCT Pub. No. WO96/06137 PCT Pub. Date Feb. 29, 1996The invention concerns naphtholactam derivatives of formula (I), in which: R1 represents hydrogen, optionally substituted C1-C6 alkyl C5-C6 cycloalkcyl or substituted phenyl; R2 and R3 represent hydrogen, C1-C8 alkanoyl, optionally substituted benzoyl, optionally substituted C2-C4 alkyl, optionally substituted C2-C4 alkenyl, optionally substituted C2-C4 alkinyl, a halogen, nitro, sulphamoyl, optionally substituted hydroxy, optionally substituted mercapto, C1-C6 alkysulphonyl or optionally substituted phenylsulphonyl; R4 represents hydrogen or, with R3, a group of formula (II); R5 represents hydrogen or C1-C6 alkyl; R6 represents cyano, carbamoyl, C1-C4 mono- or dialkylcarbamoyl carboxyl or C1-C4 alkoxycarbonyl; and R7 represents substituted C1-C4 alkyl, optionally substituted C5-C13 alkyl or benzoyl. Also disclosed is the use of these derivatives for dyeing or printing textiles.

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