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    METHOD FOR PRODUCING MULTIMETAL CYANIDE COMPOUNDS
    11.
    发明专利
    METHOD FOR PRODUCING MULTIMETAL CYANIDE COMPOUNDS 未知

    公开(公告)号：HU0300001A2

    公开(公告)日：2003-04-28

    申请号：HU0300001

    申请日：2001-02-20

    Applicant: BASF AG

    Inventor： BAUM EVA ,  FRANKE DIRK ,  GROSCH GEORG HEINRICH ,  HARRE KATHRIN ,  MUNZINGER MANFRED ,  STOESSER MICHAEL

    IPC: B01J27/26 ,  C01C3/08 ,  C08G65/02 ,  C08G65/26

    Abstract: A process for preparing polyether polyols includes a precipitation step, a recrystallization step, and a reaction step. In the precipitation step, a multimetal cyanide compound is precipitated by reaction of a metal salt with a cyanometalate compound. In the recrystallization step, the multimetal cyanide compound precipitated above is recrystallized by adding further metal salt and/or further cyanometalate compound. The recrystallization forms a multimetal cyanide catalyst compound. In the reaction step, an initiator and one or more alkylene oxide are reacted in the presence of the multimetal cyanide catalyst compound.

    12.
    发明专利
    未知

    公开(公告)号：AT233728T

    公开(公告)日：2003-03-15

    申请号：AT00128184

    申请日：2000-12-21

    Applicant: BASF AG

    Inventor： KESSEL KNUT ,  SCHERR GUENTER ,  BOGENSTAETTER THOMAS ,  ORSTEN STEFAN ,  FRANKE DIRK

    IPC: C07C277/06 ,  C07C277/08 ,  C07C279/14

    Abstract: Purification of creatine (I) involves adding the (I) to be purified, in anhydrous form, to a saturated aqueous solution of (I) monohydrate, so that the anhydrous (I) is dissolved with hydration, then separating the crystals of (I) monohydrate which precipitate from the solution. An Independent claim is also included for the preparation of (I) monohydrate, by: (a) reacting sarcosine with an guanylating agent in an aqueous medium, so that crude (I) monohydrate is precipitated; (b) separating the crude product form the medium; (c) optionally washing; (d) converting the product into anhydrous (I); (e) adding the anhydrous (I) to a saturated aqueous solution of (I) monohydrate, so that the anhydrous (I) is dissolved with hydration; (f) separating the crystals of (I) monohydrate which precipitate from the solution; and (g) utilizing the aqueous solution at least partially as aqueous medium in step (a) and/or washing liquid in step (c).

    13.
    发明专利
    未知

    公开(公告)号：DE59804199D1

    公开(公告)日：2002-06-27

    申请号：DE59804199

    申请日：1998-02-09

    Applicant: BASF AG

    Inventor： MERKLE RUPERT ,  EVA R ,  FRANKE DIRK ,  JONES A ,  MATTMANN WOLFGANG ,  MUNZINGER MANFRED

    IPC: C07C51/48 ,  C07C51/02 ,  C07C65/03 ,  C07C65/21 ,  C07C65/24

    Abstract: PCT No. PCT/EP98/00705 Sec. 371 Date Jul. 28, 1999 Sec. 102(e) Date Jul. 28, 1999 PCT Filed Feb. 9, 1998 PCT Pub. No. WO98/37054 PCT Pub. Date Aug. 27, 1998A process for the isolation of 3-[2-chloro-4-(trifluoromethyl)phenoxy]benzoic acid of the formula I from an aqueous solution of its metal salt comprises a) reacting the metal salt of 3-[2-chloro-4-(trifluoromethyl)phenoxy]benzoic acid with an organic or inorganic acid; b) heating the reaction mixture until a liquid two-phase system of organic and aqueous phase has formed; and c) separating the organic phase from the aqueous phase.

    14.
    发明专利
    未知

    公开(公告)号：DE19962227A1

    公开(公告)日：2001-06-28

    申请号：DE19962227

    申请日：1999-12-22

    Applicant: BASF AG

    Inventor： KESSEL KNUT ,  SCHERR GUENTER ,  BOGENSTAETTER THOMAS ,  ORSTEN STEFAN ,  FRANKE DIRK

    IPC: C07C277/06 ,  C07C277/08 ,  C07C279/14

    Abstract: Purification of creatine (I) involves adding the (I) to be purified, in anhydrous form, to a saturated aqueous solution of (I) monohydrate, so that the anhydrous (I) is dissolved with hydration, then separating the crystals of (I) monohydrate which precipitate from the solution. An Independent claim is also included for the preparation of (I) monohydrate, by: (a) reacting sarcosine with an guanylating agent in an aqueous medium, so that crude (I) monohydrate is precipitated; (b) separating the crude product form the medium; (c) optionally washing; (d) converting the product into anhydrous (I); (e) adding the anhydrous (I) to a saturated aqueous solution of (I) monohydrate, so that the anhydrous (I) is dissolved with hydration; (f) separating the crystals of (I) monohydrate which precipitate from the solution; and (g) utilizing the aqueous solution at least partially as aqueous medium in step (a) and/or washing liquid in step (c).

    Solid-liquid reaction
    18.
    发明专利
    Solid-liquid reaction 未知

    公开(公告)号：AU2002331091B2

    公开(公告)日：2007-11-29

    申请号：AU2002331091

    申请日：2002-08-29

    Applicant: BASF AG

    Inventor： BOGENSTATTER THOMAS ,  FRANKE DIRK ,  KLOPP INGO ,  MUNZINGER MANFRED

    IPC: B01J8/08 ,  B01J8/00 ,  B01J8/06 ,  B01J8/20 ,  B01J19/00 ,  B01J19/24 ,  C07F9/141 ,  C07F9/38 ,  C07F9/40

    Abstract: A process for carrying out a liquid/solid reaction comprises a) preparing a reaction suspension in which a first reactant is present in suspended form and a second reactant is present in dissolved form in a suspension medium, where one of the reaction products is insoluble in the suspension medium, b) passing the reaction suspension through an elongated reaction zone so that the Reynolds number of the stream is less than 20,000 and c) separating off the insoluble reaction product formed. The process has the advantage that the insoluble reaction product is obtained in a readily filterable form.

    Preparation of ethers, esters or acid anhydrides
    20.
    发明专利
    Preparation of ethers, esters or acid anhydrides 未知

    公开(公告)号：NZ535772A

    公开(公告)日：2005-11-25

    申请号：NZ53577203

    申请日：2003-04-14

    Applicant: BASF AG

    Inventor： KLOPP INGO ,  BOGENSTATTER THOMAS ,  FRANKE DIRK

    IPC: C07C51/02 ,  C07C51/41 ,  C07F9/141 ,  C07F9/06 ,  C07C45/79 ,  B01J8/20

    Abstract: A process for preparing ethers, esters or acid anhydrides is disclosed, wherein a cake of a first reactant selected from salts of organic or oxygen-containing inorganic acids or alkoxides disposed on a filtering element is allowed to flow though by a solution consisting of a second reactant selected from inorganic or organic acid halides and alkyl halides, whereby the formed insoluble halide salt remains on the filtering element, which enables the halide salt to be easily separated in an essentially quantitative manner.

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