中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

156 records (took 0.024 seconds)

    عملية لتحضير أكسيد البروبيلين PROPYLENE OXIDE
    91.
    发明专利
    عملية لتحضير أكسيد البروبيلين PROPYLENE OXIDE 未知

    公开(公告)号：SA1477B1

    公开(公告)日：2006-10-29

    申请号：SA01220361

    申请日：2001-09-12

    Applicant: BASF AG

    Inventor： TELES JOAQUIM HENRIQUE ,  REHFINGER ALWIN ,  BERG ANNE ,  RUDOLF PETER ,  RIEBER NORBERT ,  BABLER PETER

    IPC: C07D20060101 ,  C07D301/12 ,  C07D301/32 ,  C07D303/04

    Abstract: الملخص: عمليةلتحضيرأكسيدالبروبيلين propylene oxide فيها:(i) يتمتفاعلالبروبين propene معفوقأكسيدالهيدروجين hydrogen peroxide فيوجودالميثانول methanol ليعطيأكسيدبروبيلين propylene oxide،حيثينتجمخلوط (Gi) يتضمنعلىأكسيدبروبيلين،propylene oxide ميثانول methanol،ماءوفوقأكسيدهيدروجين hydrogen peroxide غيرمتفاعل،(ii) يتمفصلمخلوط (Gii) يتضمنعلىميثانول methanol،ماءوفوقأكسيدالهيدروجين hydrogen peroxide منالمخلوط (Gi)،لينتجمخلوط (Ga) يتضمنعلىأكسيدالبروبيلين propylene oxide،وiii)) يتمفصلالماءمنالمخلوط (Gi) لينتجمخلوط (Giii) يتضمنعلىميثانول methanol وفورماتالمثيل methyl formate.

    96.
    发明专利
    未知

    公开(公告)号：DE50302623D1

    公开(公告)日：2006-05-04

    申请号：DE50302623

    申请日：2003-07-22

    Applicant: BASF AG

    Inventor： BASSLER PETER ,  GOEBBEL HANS-GEORG ,  TELES HENRIQUE ,  RUDOLF PETER

    IPC: C07D301/12 ,  B01D3/14 ,  B01D3/42

    Abstract: Process for the continuously operated purification by distillation of the methanol used as solvent in the synthesis of propylene oxide by reaction of a hydroperoxide with propylene, with the methoxypropanols being separated off simultaneously, wherein the solvent mixture obtained in the synthesis is separated in a dividing wall column into a low-boiling fraction including methanol, an intermediate-boiling fraction containing the methoxypropanols as azeotrope with water and a high-boiling fraction including water and propylene glycol.

    97.
    发明专利
    未知

    公开(公告)号：DE50204869D1

    公开(公告)日：2005-12-15

    申请号：DE50204869

    申请日：2002-02-06

    Applicant: BASF AG

    Inventor： TELES HENRIQUE ,  REHFINGER ALWIN ,  BERG ANNE ,  RUDOLF PETER ,  RIEBER NORBERT ,  BASSLER PETER

    IPC: C07D301/12 ,  C07D301/19 ,  C07D301/32 ,  C07D303/04

    Abstract: An organic compound having at least one C-C double bond is epoxidized by means of hydrogen peroxide in the presence of at least one catalytically active compound and at least one solvent, wherein a product mixture comprising alpha-hydroperoxyalcohols is reduced using at least one reducing agent. The process advantageously comprises at least the following steps: (i) reacting an organic compound having at least one C-C double bond with hydrogen peroxide in the presence of at least one catalytically active compound and at least one solvent to give a product mixture P1 comprising alpha-hydroperoxyalcohols; (ii) separating an epoxide formed in the reaction in step (i) and the unreacted organic compound having at least one C-C double bond from P1 or P1' to give a product mixture P2 or P2', where P2 comprises the alpha-hydroperoxyalcohols formed as by-product in the reaction in step (i) and P2' is largely free of alpha-hydroperoxyalcohols; (iii) treating P1 and/or P2 with at least one reducing agent so that the alpha-hydroperoxyalcohols are converted into corresponding glycols to give a product mixture P1' or P3.

    98.
    发明专利
    未知

    公开(公告)号：DE102004003003A1

    公开(公告)日：2005-09-01

    申请号：DE102004003003

    申请日：2004-01-20

    Applicant: BASF AG

    Inventor： GOEBBEL HANS-GEORG ,  BASLER PETER ,  TELES JOAQUIM HENRIQUE ,  RUDOLF PETER

    IPC: B01J8/06 ,  B01J19/24 ,  F28D7/02 ,  F28F1/02 ,  F28F1/08 ,  C07D301/12

    Abstract: Process and apparatus for the continuous preparation of a chemical compound in at least one reactor, where at least one of the reactors is a shell-and-tube reactor which has a shell and at least one internal tube located within the shell, wherein at least one of the internal tubes has, at least in part, a noncircular cross section and a helical configuration in the region in which it is surrounded by the shell.

Patent Agency Ranking