公开(公告)号：DE59905818D1

公开(公告)日：2003-07-10

申请号：DE59905818

申请日：1999-11-22

Applicant: BASF AG

Inventor： KLUGE MICHAEL ,  KESSEL KNUT ,  GREINDL THOMAS ,  BIEDERMANN NORBERT ,  SCHERR GUENTER ,  BOGENSTAETTER THOMAS

IPC: C07C273/18 ,  C07C273/00 ,  C07C275/70

公开(公告)号：AT242204T

公开(公告)日：2003-06-15

申请号：AT99123307

申请日：1999-11-22

Applicant: BASF AG

Inventor： KLUGE MICHAEL ,  KESSEL KNUT ,  GREINDL THOMAS ,  BIEDERMANN NORBERT ,  SCHERR GUENTER ,  BOGENSTAETTER THOMAS

IPC: C07C273/18 ,  C07C273/00 ,  C07C275/70

公开(公告)号：DE59905070D1

公开(公告)日：2003-05-22

申请号：DE59905070

申请日：1999-01-22

Applicant: BASF AG

Inventor： KAPPES ELISABETH ,  BRODT GREGOR ,  KROENER RUDI ,  WAGNER NORBERT ,  BOGENSTAETTER THOMAS ,  HILDEBRANDT SOEREN

IPC: C07B45/02 ,  C07D213/20

Abstract: Described is a process for preparing 1-(2-sulfoethyl)pyridinium betaine wherein pyridine is reacted with a sulfoethylating agent from the group consisting of carbyl sulfate, ethionic acid and its salt and vinylsulfonic acid and vinylsulfonate, the reaction taking place in aqueous solution or in pyridine.

公开(公告)号：DE10142284A1

公开(公告)日：2003-03-20

申请号：DE10142284

申请日：2001-08-29

Applicant: BASF AG

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

IPC: B01J8/08 ,  B01J8/00 ,  B01J8/06 ,  B01J8/20 ,  B01J19/00 ,  B01J19/24 ,  C07F9/141 ,  C07F9/38 ,  C07F9/40 ,  C07F9/165 ,  C07B61/00

Abstract: The invention relates to a method for carrying out a solid-liquid reaction, according to which a) a reaction suspension is prepared, containing a first reactant which is suspended in a suspension medium and a second reactant which is dissolved in the same, one of the reaction products being insoluble in the suspension medium, b) the reaction suspension is guided through a longish reaction zone, the Reynolds number of the flow being less than 20,000, and c) the insoluble reaction product formed is separated. The method is advantageous in that the insoluble reaction product is obtained in a form which is easy to filter.

公开(公告)号：DE19853984A1

公开(公告)日：2000-05-25

申请号：DE19853984

申请日：1998-11-23

Applicant: BASF AG

Inventor： KLUGE MICHAEL ,  KESSEL KNUT ,  GREINDL THOMAS ,  BIEDERMANN NORBERT ,  SCHERR GUENTER ,  BOGENSTAETTER THOMAS

IPC: C07C273/18 ,  C07C273/00 ,  C07C275/70