3.
    发明专利
    未知

    公开(公告)号:DE59601820D1

    公开(公告)日:1999-06-10

    申请号:DE59601820

    申请日:1996-01-04

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/00023 Sec. 371 Date Jul. 1, 1997 Sec. 102(e) Date Jul. 1, 1997 PCT Filed Jan. 4, 1996 PCT Pub. No. WO96/20909 PCT Pub. Date Jul. 11, 1996Impurities are separated from aqueous solutions of 1,6-hexanediol or 1,6-hexanediol precursors, such as adipic and 6-hydroxycaproic acid, by a process which comprises adding at least one carboxylic acid to a solution (a) of 1,6-hexanediol and subjecting this solution (a) or a solution (b) containing carboxylic acid(s) as precursor(s) of 1,6-hexanediol to a heat treatment at temperatures above room temperature in the absence of hydrogen.

    4.
    发明专利
    未知

    公开(公告)号:DK277889D0

    公开(公告)日:1989-06-07

    申请号:DK277889

    申请日:1989-06-07

    Applicant: BASF AG

    Abstract: Process for preparing a biocatalyst by mixing a) polyolefin fibres which have been rendered hydrophilic, b) crude porcine pancreatic lipase, c) at least one water-soluble dihydric to hexahydric alcohol with 2 to 6 carbon atoms and d) an aqueous buffer solution of pH 5 to 9 at 0 to 40 DEG C, filtering after 1 minute to 3 days, and washing the filter cake, and the use of the biocatalyst obtained in this way for resolving esters of racemic alcohols in aqueous medium.

    6.
    发明专利
    未知

    公开(公告)号:ES2130780T3

    公开(公告)日:1999-07-01

    申请号:ES96900564

    申请日:1996-01-04

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/00023 Sec. 371 Date Jul. 1, 1997 Sec. 102(e) Date Jul. 1, 1997 PCT Filed Jan. 4, 1996 PCT Pub. No. WO96/20909 PCT Pub. Date Jul. 11, 1996Impurities are separated from aqueous solutions of 1,6-hexanediol or 1,6-hexanediol precursors, such as adipic and 6-hydroxycaproic acid, by a process which comprises adding at least one carboxylic acid to a solution (a) of 1,6-hexanediol and subjecting this solution (a) or a solution (b) containing carboxylic acid(s) as precursor(s) of 1,6-hexanediol to a heat treatment at temperatures above room temperature in the absence of hydrogen.

    7.
    发明专利
    未知

    公开(公告)号:DK277889A

    公开(公告)日:1989-12-11

    申请号:DK277889

    申请日:1989-06-07

    Applicant: BASF AG

    Abstract: Process for preparing a biocatalyst by mixing a) polyolefin fibres which have been rendered hydrophilic, b) crude porcine pancreatic lipase, c) at least one water-soluble dihydric to hexahydric alcohol with 2 to 6 carbon atoms and d) an aqueous buffer solution of pH 5 to 9 at 0 to 40 DEG C, filtering after 1 minute to 3 days, and washing the filter cake, and the use of the biocatalyst obtained in this way for resolving esters of racemic alcohols in aqueous medium.

    8.
    发明专利
    未知

    公开(公告)号:ES2195440T3

    公开(公告)日:2003-12-01

    申请号:ES98964487

    申请日:1998-12-04

    Applicant: BASF AG

    Abstract: The invention relates to a method for catalytically hydrogenating carboxylic acids or the anhydrides or esters thereof into alcohol on heterogeneous catalysts containing hydrogenating elements of groups 6, 7, 8, 9, 10 and 11 and optionally groups 2, 14 and 15 of the periodic table of elements or consisting thereof, in a liquid phase at temperatures of 100-300 DEG C and at pressures of 10-300 bars, whereby 1-3,000 ppm of a basic alkali or earth-alkaline compound in relation to the liquid hydrogenating feed and selected from a group consisting of hydroxides, carbonates, carboxylates and alcoholates is added to the hydrogenating reaction mixture.

    9.
    发明专利
    未知

    公开(公告)号:DE59807773D1

    公开(公告)日:2003-05-08

    申请号:DE59807773

    申请日:1998-12-04

    Applicant: BASF AG

    Abstract: The invention relates to a method for catalytically hydrogenating carboxylic acids or the anhydrides or esters thereof into alcohol on heterogeneous catalysts containing hydrogenating elements of groups 6, 7, 8, 9, 10 and 11 and optionally groups 2, 14 and 15 of the periodic table of elements or consisting thereof, in a liquid phase at temperatures of 100-300 DEG C and at pressures of 10-300 bars, whereby 1-3,000 ppm of a basic alkali or earth-alkaline compound in relation to the liquid hydrogenating feed and selected from a group consisting of hydroxides, carbonates, carboxylates and alcoholates is added to the hydrogenating reaction mixture.

    10.
    发明专利
    未知

    公开(公告)号:DK613088A

    公开(公告)日:1989-06-28

    申请号:DK613088

    申请日:1988-11-03

    Applicant: BASF AG

    Abstract: A biocatalyst is produced by mixing… a) an insoluble, only slightly swellable copolymer of an N-vinyllactam with a cyclic amide which contains at least two ethylenically unsaturated copolymerisable groups, of which at least one is bonded directly to the amide nitrogen,… b) crude pig pancreatic lipase,… c) at least one water-soluble dihydric to hexahydric alcohol with 2 to 6 carbon atoms and… d) an aqueous buffer solution of pH 5 to 9… at 0 to 40 DEG C, filtering after 1 minute to 3 days and washing the filter cake, and is used for resolving esters of racemic alcohols.

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