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公开(公告)号:DE50111991D1
公开(公告)日:2007-03-22
申请号:DE50111991
申请日:2001-05-16
Applicant: BASF AG
Inventor: BADER JOACHIM , BECHTOLSHEIMER HANS-HEINRICH , BRUCKER ARMIN , DOCKNER TONI , IFFLAND GABRIELE , KLINK HANS , MARTIN STEFAN , MOHR JUERGEN , MUGRAUER HANS-MARTIN
Abstract: Alkali metal ions are separated off from alkoxylates containing alkali metal ions by a process comprising:a) dilution of the alkali metal-containing alkoxylate with an inert solvent,b) treatment of the alkali metal-containing solution of the alkoxylate with a cationic exchanger in order to obtain a substantially alkali metal-free solution of the alkoxylate, andc) removal of the solvent from the substantially alkali metal-free solution of the alkoxylate in order to obtain a substantially alkali metal-free and substantially solvent-free alkoxylate.
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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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公开(公告)号:DE10025366A1
公开(公告)日:2001-11-29
申请号:DE10025366
申请日:2000-05-23
Applicant: BASF AG
Inventor: DOCKNER TONI , HESSE MICHAEL , BORCHERT HOLGER
IPC: B01J23/66 , B01J27/232 , C07D301/10 , C07D303/04
Abstract: A catalyst (I) containing silver, alkaline earth carbonate and aluminum oxide contains potassium hydroxide. Independent claims are included for (i) a process for the production of the catalyst (I) by application of silver, alkaline earth carbonate and potassium hydroxide onto an aluminum oxide support. (ii) a process for the epoxidation of propene by reaction of propene, an oxygen containing gas, and a halogen or halogen compound in the presence of the catalyst (I).
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公开(公告)号:DK0784046T3
公开(公告)日:2001-04-30
申请号:DK97100374
申请日:1997-01-10
Applicant: BASF AG
Inventor: MACHHAMMER OTTO , DOCKNER TONI , ENGERT GERD-JUERGEN , PROLL THEO
IPC: B01D9/02 , B01D3/00 , C07B61/00 , C07C51/235 , C07C51/25 , C07C51/43 , C07C51/48 , C07C57/04 , C07C57/05 , C07C57/055 , C07C57/07 , C07C69/54
Abstract: The production of acrylic acid (I) and/or its esters comprises; (a) catalytic gas-phase oxidation of propene and/or acrolein to give a gaseous product containing (I), (b) absorption of the reaction product with a solvent, (c) distillation in a column to give crude (I) and solvent, (d) purification of (I) by crystallisation and optionally (e) esterification of crystallised (I). Also claimed is an apparatus for the process, comprising reactor(s) for stage (a), an absorption column, a distillation column, dynamic crystalliser(s) and static crystalliser(s), and container(s) for intermediate storage.
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公开(公告)号:AU2162899A
公开(公告)日:1999-07-19
申请号:AU2162899
申请日:1998-12-17
Applicant: BASF AG
Inventor: MOHR JURGEN , DOCKNER TONI
IPC: C07C41/02 , C07B61/00 , C07C29/128 , C07C41/03 , C07C213/04 , C07C217/50 , C08G65/10 , C08G73/02 , C08G73/04
Abstract: In a process for preparing alkoxylated amines or alcohols in which a reaction mixture comprising an amine or an alcohol or a mixture of two or more amines and/or alcohols and an alkylene oxide, or a mixture of two or more different alkylene oxides, is reacted in one or more successive reaction steps, at least one of the reaction steps is carried out in the presence of a basic catalyst and, in at least one of the reaction steps, formic acid or a salt of formic acid or a mixture of two or more thereof is present in the reaction mixture or the reaction mixture is admixed with formic acid or a salt of formic acid, or a mixture of two or more thereof, after the alkoxylation is complete. The alkoxylates prepared by the process of the present invention have a light color and a low odor.
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公开(公告)号:CA2311127A1
公开(公告)日:1999-07-08
申请号:CA2311127
申请日:1998-12-17
Applicant: BASF AG
Inventor: MOHR JURGEN , DOCKNER TONI
IPC: C07C41/02 , C07B61/00 , C07C29/128 , C07C41/03 , C07C213/04 , C07C217/50 , C08G65/10 , C08G73/02 , C08G73/04
Abstract: The invention relates to a method for producing oxalkylated amines or alcohols, whereby a reaction mixture containing an amine or an alcohol or a mixture of two or more amines and/or alcohols and an alkylene oxide or a mixture of two or more different alkylene oxides are made to react in one or several successive reaction steps. At least one of the steps of the reaction occurs in the presence of a basic catalyst and the reaction mixture in at least one of the reaction steps contains formic acid or a formic acid salt or a mixture of the two or more or the reaction mixture is mixed with formic acid or a formic acid salt or a mixture of the two or more when oxalkylation is finished. The alkoxylates obtained using the inventive method have little natural colour or odour.
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公开(公告)号:SG65631A1
公开(公告)日:1999-06-22
申请号:SG1997000030
申请日:1997-01-08
Applicant: BASF AG
Inventor: MACHHAMMER OTTO , DOCKNER TONI , ENGERT GERD-JUERGEN , PROLL THEO
IPC: B01D9/02 , B01D3/00 , C07B61/00 , C07C51/235 , C07C51/25 , C07C51/43 , C07C51/48 , C07C57/04 , C07C57/05 , C07C57/055 , C07C57/07 , C07C69/54
Abstract: The production of acrylic acid (I) and/or its esters comprises; (a) catalytic gas-phase oxidation of propene and/or acrolein to give a gaseous product containing (I), (b) absorption of the reaction product with a solvent, (c) distillation in a column to give crude (I) and solvent, (d) purification of (I) by crystallisation and optionally (e) esterification of crystallised (I). Also claimed is an apparatus for the process, comprising reactor(s) for stage (a), an absorption column, a distillation column, dynamic crystalliser(s) and static crystalliser(s), and container(s) for intermediate storage.
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公开(公告)号:BR9703320A
公开(公告)日:1999-01-05
申请号:BR9703320
申请日:1997-05-27
Applicant: BASF AG
Inventor: DOCKNER TONI , MACHHAMMER OTTO , ENGERT GERD-JUERGEN , PROLL THEO
IPC: B01D9/02 , B01D3/00 , C07B61/00 , C07C51/235 , C07C51/25 , C07C51/43 , C07C51/48 , C07C57/04 , C07C57/05 , C07C57/055 , C07C57/07 , C07C69/54
Abstract: The production of acrylic acid (I) and/or its esters comprises; (a) catalytic gas-phase oxidation of propene and/or acrolein to give a gaseous product containing (I), (b) absorption of the reaction product with a solvent, (c) distillation in a column to give crude (I) and solvent, (d) purification of (I) by crystallisation and optionally (e) esterification of crystallised (I). Also claimed is an apparatus for the process, comprising reactor(s) for stage (a), an absorption column, a distillation column, dynamic crystalliser(s) and static crystalliser(s), and container(s) for intermediate storage.
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公开(公告)号:CA2221543A1
公开(公告)日:1998-06-13
申请号:CA2221543
申请日:1997-12-12
Applicant: BASF AG
Inventor: NESTLER GERHARD , DOCKNER TONI
IPC: B01J31/02 , C07B61/00 , C07C67/03 , C07C67/29 , C07C67/297 , C07C69/533 , C07C67/02
Abstract: In a process for preparing .omega.-hydroxyesters of .alpha.,.beta.-unsaturated carboxylic acids, a vinyloxy ester of the carboxylic acid is treated with a strong acid in the presence of an alcohol, in particular a 1,2-diol or 1,3-diol.
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公开(公告)号:CZ9700336A3
公开(公告)日:1998-04-15
申请号:CZ33697
申请日:1997-02-05
Applicant: BASF AG
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