Manufacture of pyranthrones
    1.
    发明授权
    Manufacture of pyranthrones 失效
    吡啶的制备

    公开(公告)号:US3673220A

    公开(公告)日:1972-06-27

    申请号:US3673220D

    申请日:1970-10-09

    Applicant: BASF AG

    Inventor: BOCK GUSTAV

    CPC classification number: C09B3/42

    Abstract: A new process for the manufacture of pyranthrones (I) from 2,2'' -dialkyl-1,1''-dianthraquinonyls (II) by heating (II) at from 150* to 210* C. in polar organic solvents in the presence of alkali metal acetates.

    Abstract translation: 通过在极性有机溶剂中在150-210℃下加热(II),在2,2'-二烷基-1,1'-二蒽醌(II)存在下,从2,2'-二烷基-1,1'-二蒽醌(II)制备吡喃酮 碱金属乙酸盐。

    Disperse dyes based on isoindolene derivatives
    2.
    发明授权
    Disperse dyes based on isoindolene derivatives 失效
    基于异吲哚衍生物的分散染料

    公开(公告)号:US3923806A

    公开(公告)日:1975-12-02

    申请号:US44894774

    申请日:1974-03-07

    Applicant: BASF AG

    CPC classification number: C09B57/04

    Abstract: IN WHICH BOTH R''s are alkyl, phenyl or phenalkyl (the radical R bearing other substituents if desired) and X is the radical of a methyleneactive compound. The dyes dye fibers of linear polyesters brilliant greenish yellow to bluish red shades.

    Disperse dyes of the formula:

    Abstract translation: 分散染料的配方:

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