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    2.
    发明专利
    未知

    公开(公告)号：ES2203138T3

    公开(公告)日：2004-04-01

    申请号：ES99923434

    申请日：1999-04-22

    Applicant: BASF AG

    Inventor： BIRNBACH STEFAN ,  DOCKNER TONI ,  MOHR JURGEN ,  BENFER REGINA ,  BIEG WALTER ,  PETERS JARREN

    IPC: C07D317/36 ,  C07D317/38

    Abstract: A process for the continuous production of 1,3-dioxolan-2-ones such as ethylene carbonate or propylene carbonate by reacting a corresponding oxirane with carbon dioxide in the liquid phase in the presence of a catalyst comprises conducting the reaction in a two-part reactor in whose first part the reaction is taken with backmixing to a conversion of not less than 80% of the oxirane II and in whose second part the reaction is completed under nonbackmixing conditions, and passing the carbon dioxide in countercurrent to the oxirane II in the entire reactor.

    6.
    发明专利
    未知

    公开(公告)号：DE19819586A1

    公开(公告)日：1999-11-04

    申请号：DE19819586

    申请日：1998-04-30

    Applicant: BASF AG

    Inventor： BIRNBACH STEFAN ,  DOCKNER TONI ,  MOHR JUERGEN ,  BENFER REGINA ,  BIEG WALTER ,  PETERS JARREN ,  RUGE BERND ,  WEINLE WERNER ,  ZEHNER PETER

    IPC: C07D317/36 ,  C07D317/38 ,  C07D317/44

    Abstract: The invention relates to a method for continually producing 1,3-dioxolan-2-ones such as ethylene carbonate or propylene carbonate by reacting a corresponding oxirane with carbon dioxide in liquid phase in the presence of a catalyst. The reaction is carried out in a two-part reactor. In the first part of the reactor, the reaction is carried out with back-mixing until a conversion rate of oxirane II of at least 80 % has been reached. In the second part, the reaction is completed under conditions without back-mixing, the carbon dioxide being guided to the oxirane II in a counterflow throughout the reactor.

    7.
    发明专利
    未知

    公开(公告)号：ID26310A

    公开(公告)日：2000-12-14

    申请号：ID20002218

    申请日：1999-04-22

    Applicant: BASF AG

    Inventor： BIRNBACH STEFAN ,  DOCKNER TONI ,  MOHR JURGEN ,  BENFER REGINA ,  BIEG WALTER ,  PETERS JARREN ,  RUGE BERND ,  WEINLE WERNER ,  ZEHNER PETER

    IPC: C07D317/36 ,  C07D317/38

    Abstract: A process for the continuous production of 1,3-dioxolan-2-ones such as ethylene carbonate or propylene carbonate by reacting a corresponding oxirane with carbon dioxide in the liquid phase in the presence of a catalyst comprises conducting the reaction in a two-part reactor in whose first part the reaction is taken with backmixing to a conversion of not less than 80% of the oxirane II and in whose second part the reaction is completed under nonbackmixing conditions, and passing the carbon dioxide in countercurrent to the oxirane II in the entire reactor.

    8.
    发明专利
    未知

    公开(公告)号：DE3583660D1

    公开(公告)日：1991-09-05

    申请号：DE3583660

    申请日：1985-12-06

    Applicant: BASF AG

    Inventor： BIEG WALTER ,  HEIDA BERND

    IPC: C12P1/00 ,  C12P7/26 ,  C12P7/40 ,  C12P17/08

    Abstract: A process for isolating useful organic prods. from aq. fermentation solns. contg. solid biomass by extn. with organic solvents, comprises passing the aq. fermentation soln. as disperse phase through a column with hydrophobic inserts. The column may be e.g. a spray column, pulsed and unpulsed filled columns with ordered or random filling, sieve plate columns and columns with rotating inserts. The inserts have a hydrophobic surface e.g. of PTFE, 'Halar' (RTM), 'Ultramid' (RTM), polypropylene, etc. The column has a sepn. zone with a residence time of at least 15 mins to minimise entrainment of solvent in the aq. phase.

    10.
    发明专利
    未知

    公开(公告)号：DE59906105D1

    公开(公告)日：2003-07-31

    申请号：DE59906105

    申请日：1999-04-22

    Applicant: BASF AG

    Inventor： BIRNBACH STEFAN ,  DOCKNER TONI ,  MOHR JUERGEN ,  BENFER REGINA ,  BIEG WALTER ,  PETERS JARREN ,  RUGE BERND ,  WEINLE WERNER ,  ZEHNER PETER

    IPC: C07D317/36 ,  C07D317/38

    Abstract: A process for the continuous production of 1,3-dioxolan-2-ones such as ethylene carbonate or propylene carbonate by reacting a corresponding oxirane with carbon dioxide in the liquid phase in the presence of a catalyst comprises conducting the reaction in a two-part reactor in whose first part the reaction is taken with backmixing to a conversion of not less than 80% of the oxirane II and in whose second part the reaction is completed under nonbackmixing conditions, and passing the carbon dioxide in countercurrent to the oxirane II in the entire reactor.

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