7.
    发明专利
    未知

    公开(公告)号:DE1808015A1

    公开(公告)日:1970-06-11

    申请号:DE1808015

    申请日:1968-11-09

    Applicant: HOECHST AG

    Inventor: RIBKA DR JOACHIM

    Abstract: 1,257,950. Colouring P.V.C. FARBWERKE HOECHST A.G. 10 Nov., 1969 [9 Nov., 1968], No. 54897/69. Heading C3P. [Also in Division C4] Plasticized P.V.C. is coloured with dyestuffs of the formula wherein X is H, halogen, CH 3 , CF 3 , OCH 3 or NO 2 ; Y is H or halogen; and R is H, halogen, CH 3 or OCH 3 .

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