3.
    发明专利
    未知

    公开(公告)号:BR7501648A

    公开(公告)日:1975-12-16

    申请号:BR7501648

    申请日:1975-03-19

    Applicant: HOECHST AG

    Abstract: Sparingly soluble to insoluble salts of dyestuff bases having one or more arylamino groups are useful for the spin-dyeing of acid-modified polymers containing acrylonitrile units.

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