36.
    发明专利
    未知

    公开(公告)号:DE59305423D1

    公开(公告)日:1997-03-27

    申请号:DE59305423

    申请日:1993-03-27

    Applicant: BASF AG

    Abstract: Method of preparing di- or triarylmethane dyes by oxidation of di- or triarylmethanes in the presence of a diluent and of an oxygen-transferring catalyst which contains a complexed heavy metal ion, or of a catalyst based on molybdenic acid and vanadium compounds, wherein the oxidising agent used is peroxomonosulphuric acid or salts thereof.

    38.
    发明专利
    未知

    公开(公告)号:DE59106904D1

    公开(公告)日:1995-12-21

    申请号:DE59106904

    申请日:1991-08-23

    Applicant: BASF AG

    Abstract: Disazo dyes suitable for preparing inks have the formula (I) where m is 1 or 2, n is 0 or 1, Z1 is hydrogen or substituted or unsubstituted C1-C4-alkyl, Z2 is hydrogen, substituted or unsubstituted C1-C4-alkyl, C1-C4-alkanoyl, substituted or unsubstituted benzoyl, C1-C4-alkylsulfonyl, substituted or unsubstituted phenylsulfonyl or a derivatized 1,3,5-triazinyl radical, and D is the radical of a diazo component of the class of the thiazole, thiophene, aminobenzoic acid or phenylenediamine compounds.

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