1.
    发明专利
    未知

    公开(公告)号:DE3108720A1

    公开(公告)日:1982-09-16

    申请号:DE3108720

    申请日:1981-03-07

    Applicant: BASF AG

    Abstract: Triaminotriarylmethane colorants are obtainable by first reacting an aluminum or iron trihalide complex of a 4,4',4''-trihalotriphenylmethyl halide with a metanilic acid, a sulfanilic acid or a beta -naphthylaminesulfonic acid and then reacting the product with one or more anilines to replace the halogen atoms located in the 4-positions. The compounds according to the invention are very useful as pigments, for example in printing inks, or for toning carbon black.

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