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公开(公告)号：DE10257577A1
公开(公告)日：2004-07-01
申请号：DE10257577
申请日：2002-12-10
Applicant: BASF AG
Inventor： HELFERT HERBERT , LAQUA GERHARD , BUCKEL GERHARD , EIDEN ULRICH
Abstract: Processing of decomposable gases by scrubbing with a liquid in a packed column comprises supplying the gas under pressure to the lower part of the column and supplying the liquid at a lower temperature than the gas to the upper part of the column, the liquid being cooled during recycle.
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公开(公告)号：CO4990982A1
公开(公告)日：2000-12-26
申请号：CO97028494
申请日：1997-05-23
Applicant: BASF AG
Inventor： HUBINGER WOLFGANG , KELLER PETER , KAISER RUDOLF , HEIDER WOLFGANG , EIDEN ULRICH
Abstract: Una columna de contracorriente para disminuir elnivel de volátiles residuales en las dispersiones, que comprende entre 5 a 50 placas de doble flujo y/o placas de cedazo de flujo cruzado, en donde el área abierta específica en las placas de doble flujo está entre 2 a 25% y en las placas de cedazo de flujo cruzado entre 1 a 10%, el diámetro de perforación media en las placas de doble flujo es de 10 a 50 mm, y el diámetro de perforación media en las placas de cedazo de flujo cruzado está entre 2 a 10 mm.
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公开(公告)号：TR9802417T2
公开(公告)日：1999-03-22
申请号：TR9802417
申请日：1997-05-22
Applicant: BASF AG
Inventor： HUEBINGER WOLFGANG , KELLER PETER , KAISER RUDOLF , HEIDER WOLFGANG , EIDEN ULRICH
CPC classification number: B01D3/225 , B01D3/22 , B01D19/0015 , C08F6/003
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公开(公告)号：DE10022988A1
公开(公告)日：2001-11-15
申请号：DE10022988
申请日：2000-05-11
Applicant: BASF AG
Inventor： HELFERT HERBERT , SCHMIDT-RADDE MARTIN , LAQUA GERHARD , EIDEN ULRICH , SCHOLL STEPHAN , UEBLER CHRISTOPH
IPC: B01D3/14 , B01J3/00 , C07D201/16 , C07D207/26 , C07D207/267 , B09B3/00 , C08J11/02
Abstract: Residues from the production of pyrrolidone and N-vinylpyrrolidone are worked up by thermolysis.
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公开(公告)号：TR199802417T2
公开(公告)日：1999-03-22
申请号：TR9802417
申请日：1997-05-22
Applicant: BASF AG
Inventor： HUEBINGER WOLFGANG , KELLER PETER , KAISER RUDOLF , HEIDER WOLFGANG , EIDEN ULRICH
Abstract: In the counterflown column for lowering the residual volatile substance content of dispersions, having 5 to 50 vertical and/or transverse flow filter bases, the specific free aperture area in the vertical flow filter bases is 2 to 25 % and in the transverse flow filter bases 1 to 10 %, and the mean aperture diameter is 10 to 50 mm in the vertical and 2 to 10 mm in the transverse flow filter bases.
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Patent Agency Ranking
公开(公告)号：ES2288953T3
公开(公告)日：2008-02-01
申请号：ES01933954
申请日：2001-05-10
Applicant: BASF AG
Inventor： HELFERT HERBERT , SCHMIDT-RADDE MARTIN , LAQUA GERHARD , EIDEN ULRICH , SCHOLL STEPHAN , UBLER CHRISTOPH
IPC: C07D207/26 , B01D3/14 , B01J3/00 , C07D201/16 , C07D207/267
Abstract: Procedimiento para la elaboración de residuos de la obtención de pirrolidona, N-vinilpirrolidona o pirrolidona y N-vinilpirrolidona, teniendo los residuos la composición de un producto de cola, que se obtiene mediante reacción de gamma-butirolactona y amoniaco para dar pirrolidona, y/o mediante reacción de pirrolidona y etino para dar N-vinilpirrolidona, respectivamente tras purificación por destilación, caracterizado porque los residuos reunidos de la obtención de pirrolidona y N-vinilpirrolidona se someten a una termólisis, que se lleva a cabo en un tiempo de residencia de 1 a 10 horas, referido a los residuos empleados.
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公开(公告)号：AU3091697A
公开(公告)日：1998-01-05
申请号：AU3091697
申请日：1997-05-22
Applicant: BASF AG
Inventor： HUBINGER WOLFGANG , KELLER PETER , KAISER RUDOLF , HEIDER WOLFGANG , EIDEN ULRICH
Abstract: In the counterflown column for lowering the residual volatile substance content of dispersions, having 5 to 50 vertical and/or transverse flow filter bases, the specific free aperture area in the vertical flow filter bases is 2 to 25 % and in the transverse flow filter bases 1 to 10 %, and the mean aperture diameter is 10 to 50 mm in the vertical and 2 to 10 mm in the transverse flow filter bases.
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公开(公告)号：FI941397A0
公开(公告)日：1994-03-25
申请号：FI941397
申请日：1994-03-25
Applicant: BASF AG
Inventor： ZEHNER PETER , BITTINS KLAUS , HAARDE WILHELM , EIDEN ULRICH , WOLFF DIETRICH , HERR MANFRED , HUPFER LEOPOLD
Abstract: Methyl formate is prepared by reaction of carbon monoxide and methanol at elevated pressure and elevated temperature in the presence of an alkali metal methoxide by A) mixing the starting substances in a mixing zone, partially allowing them to react, saturating the reaction solution with CO and B) carrying the reaction to completion in one or more subsequent reaction zones without addition of further starting compounds.
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公开(公告)号：DE50112690D1
公开(公告)日：2007-08-16
申请号：DE50112690
申请日：2001-05-10
Applicant: BASF AG
Inventor： HELFERT HERBERT , SCHMIDT-RADDE MARTIN , LAQUA GERHARD , EIDEN ULRICH , SCHOLL STEPHAN , UEBLER CHRISTOPH
IPC: C07D207/26 , B01D3/14 , B01J3/00 , C07D201/16 , C07D207/267
Abstract: A process for working up residues from the preparation of pyrrolidone and/or N-vinylpyrrolidone comprises subjecting the residues to a thermolysis.
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公开(公告)号：AT366237T
公开(公告)日：2007-07-15
申请号：AT01933954
申请日：2001-05-10
Applicant: BASF AG
Inventor： HELFERT HERBERT , SCHMIDT-RADDE MARTIN , LAQUA GERHARD , EIDEN ULRICH , SCHOLL STEPHAN , UEBLER CHRISTOPH
IPC: C07D207/26 , B01D3/14 , B01J3/00 , C07D201/16 , C07D207/267
Abstract: A process for working up residues from the preparation of pyrrolidone and/or N-vinylpyrrolidone comprises subjecting the residues to a thermolysis.
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