12.
    发明专利
    未知

    公开(公告)号:DE2948456A1

    公开(公告)日:1981-06-11

    申请号:DE2948456

    申请日:1979-12-01

    Applicant: BASF AG

    Abstract: Disazo dyes of the general formula I I where R is an araliphatic or aromatic radical, X1 is X2 is hydrogen, phenyl or an aliphatic or araliphatic radical, R1 is hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical, the rings A, B and C may be substituted and the rings B and C may carry a fused benzo ring, and the group may also be a heterocyclic radical of the formula The novel dyes are very suitable for dyeing polyesters and cellulose.

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