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    REDUCTION CLEARING OF POLYESTER TEXTILES
    93.
    发明专利
    REDUCTION CLEARING OF POLYESTER TEXTILES 未知

    公开(公告)号：HK1022002A1

    公开(公告)日：2000-07-21

    申请号：HK00100817

    申请日：2000-02-11

    Applicant: BASF AG

    Inventor： BECKMANN EBERHARD ,  KRUEGER RUDOLF ,  KARL ULRICH ,  TRITSCHLER CLAUS

    IPC: D06P1/62 ,  C07C309/08 ,  C07C309/14 ,  C07C313/04 ,  D06P3/54 ,  D06P5/04 ,  D06P5/06 ,  D06P5/10 ,  D06P

    Abstract: A process for reduction clearing dyed or printed polyester textiles, which comprises adding, to an acidic dyeing liquor or a wash bath, an aftertreatment composition comprising as componentsa) at least one compound of the formula (I)where A is NR 3-q or OR 2-p; p,q means q when A is NR 3-q, and p when A is OR 2-p; R , R , R are each hydrogen or C1-C6-alkyl; R represents identical or different radicals selected from the group consisting of hydrogen, C1-C20-alkyl, C3-C8-cycloalkyl opt. substituted by from one to three C1-C4-alkyl radicals; M is the equivalent of an ammonium, alkali metal or a kaline earth metal ion; m is 0 or 1; p is 1 or 2; and q is 1, 2 or 3, subject to the provisos that at least one of R , R , R is C1-C6-alkyl when A is OR 2-p and that, if m is 0: the compound of formula (I) is S2O4M2, and the compound of the formula (I) is used together with sufficient acid acceptor to raise the pH of the dyeing liquor or of the wash bath by from 1 to 3 units,b) optionally at least one compound of the formula (II)where A, R , R , R , R , M, p,q p and q are each as defined for the formula (I), although the specific choice of these variables does not have to be the same for the compounds of the formulae (I) and (II)c) and optionally further additives.

    94.
    发明专利
    未知

    公开(公告)号：DK0808302T3

    公开(公告)日：2000-07-17

    申请号：DK96901746

    申请日：1996-01-20

    Applicant: BASF AG

    Inventor： KARL ULRICH ,  SEITZ WERNER

    IPC: C07B57/00 ,  C07C253/34 ,  C07C255/43

    Abstract: PCT No. PCT/EP96/00236 Sec. 371 Date Jul. 7, 1997 Sec. 102(e) Date Jul. 7, 1997 PCT Filed Jan. 20, 1996 PCT Pub. No. WO96/23764 PCT Pub. Date Aug. 8, 1996A process for resolving the racemates of phenylacetonitriles of the formula I I where R1, R2, R3 and m have the meanings stated in the description is described. The process comprises dissolving the racemates I in a polar solvent, adding from 0.5 to 1.0 mol of optically active camphorsulfonic acid per mol of compound I, heating to 40 DEG -100 DEG C., allowing to cool and liberating the optically active phenylacetonitrile I from the salt obtained in this way.

    95.
    发明专利
    未知

    公开(公告)号：ES2145427T3

    公开(公告)日：2000-07-01

    申请号：ES96901746

    申请日：1996-01-20

    Applicant: BASF AG

    Inventor： KARL ULRICH ,  SEITZ WERNER

    IPC: C07B57/00 ,  C07C253/34 ,  C07C255/43

    Abstract: PCT No. PCT/EP96/00236 Sec. 371 Date Jul. 7, 1997 Sec. 102(e) Date Jul. 7, 1997 PCT Filed Jan. 20, 1996 PCT Pub. No. WO96/23764 PCT Pub. Date Aug. 8, 1996A process for resolving the racemates of phenylacetonitriles of the formula I I where R1, R2, R3 and m have the meanings stated in the description is described. The process comprises dissolving the racemates I in a polar solvent, adding from 0.5 to 1.0 mol of optically active camphorsulfonic acid per mol of compound I, heating to 40 DEG -100 DEG C., allowing to cool and liberating the optically active phenylacetonitrile I from the salt obtained in this way.

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