公开(公告)号：DE69409585D1

公开(公告)日：1998-05-20

申请号：DE69409585

申请日：1994-07-06

Applicant: BASF AG

Inventor： NIEDBALSKI EDMUND J ,  THURMAN LAURANCE R ,  SCHNUR RUDOLF ,  TROETSCH-SCHALLER IRENE DR ,  SCHUSTER LUDWIG DR ,  VOGES DIETER DR ,  ZEHNER PETER DR ,  BITTINS KLAUS DR

IPC: C02F1/78

公开(公告)号：DE69409585T2

公开(公告)日：1998-08-13

申请号：DE69409585

申请日：1994-07-06

Applicant: BASF AG

Inventor： NIEDBALSKI EDMUND J ,  THURMAN LAURANCE R ,  SCHNUR RUDOLF ,  TROETSCH-SCHALLER IRENE DR ,  SCHUSTER LUDWIG DR ,  VOGES DIETER DR ,  ZEHNER PETER DR ,  BITTINS KLAUS DR

IPC: C02F1/78

公开(公告)号：DE59501437D1

公开(公告)日：1998-03-19

申请号：DE59501437

申请日：1995-09-30

Applicant: BASF AG

Inventor： DOCKNER TONI DR ,  LERMER HELMUT DR ,  BITTINS KLAUS DR ,  NESTLER GERHARD DR ,  BRAUCH GUNDO DR

IPC: B01J27/02 ,  C07B61/00 ,  C07C67/08 ,  C07C67/60 ,  C07C69/54

Abstract: A process is claimed for the prodn. of 1,4-butanediol mono-(meth)acrylate (I) by esterification of (meth)acrylic acid (MAA) with 1,4-butanediol (BD). In this process the aq. soln. of unreacted BD which is obtd. is worked up by converting the BD into tetrahydrofuran (THF) and sepg. the THF.

公开(公告)号：DE19510890A1

公开(公告)日：1996-09-26

申请号：DE19510890

申请日：1995-03-24

Applicant: BASF AG

Inventor： BITTINS KLAUS DR ,  HEIDER MARC DR ,  SCHMIDT-RADDE MARTIN DR ,  KELLENBENZ JOCHEN DR ,  WAGNER KURT JOSEF ,  ZEHNER PETER DR

IPC: B01J3/00 ,  B01J10/00 ,  C07C29/36 ,  C07C29/44 ,  C07C41/08 ,  C07C51/235 ,  C07D233/54 ,  C07D233/58 ,  C07C43/16 ,  C07B47/00 ,  C07C51/14 ,  C07C67/36

Abstract: Gas or liq. phase reactions carried out at -50 to 300 deg C and 0.1 - 100 bar, taking place in the presence of a second gas phase.

公开(公告)号：DE19525474A1

公开(公告)日：1997-01-16

申请号：DE19525474

申请日：1995-07-12

Applicant: BASF AG

Inventor： HEIDER WOLFGANG ,  WOLFF STEFAN DR ,  BRUCHMANN BERND DR ,  BITTINS KLAUS DR

IPC: C07C273/00 ,  B01J10/00 ,  B01J19/00 ,  B01J19/18 ,  C07B61/00 ,  C07C273/16 ,  C07C273/18 ,  C07C275/62 ,  C08G18/78 ,  C07C265/14

Abstract: A process and device are disclosed for preparing (cyclo)aliphatic biuret groups-containing polyisocyanates from (cyclo)aliphatic diisocyanates and steam or a dehydrating substance as reactives that are mixed with each other in a stirring reactor. The reactives flow in opposite current through a cascade-shaped stirring reactor with at least two stages. The distribution of the gaseous reactives in the liquid reactives is intensified by turbulence-generating means built into the stirring reactor. Mutually spaced disks provided with central openings and/or turbulence-generating strips that extend in the longitudinal direction of the stirring reactor are used as turbulence-generating means.

公开(公告)号：DE4309731A1

公开(公告)日：1994-09-29

申请号：DE4309731

申请日：1993-03-25

Applicant: BASF AG

Inventor： ZEHNER PETER DR ,  BITTINS KLAUS DR ,  HAARDE WILHELM DR ,  EIDEN ULRICH DR ,  WOLFF DIETRICH DR ,  HERR MANFRED ,  HUPFER LEOPOLD DR

IPC: C07B61/00 ,  C07C67/36 ,  C07C69/06 ,  B01J31/02

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.

公开(公告)号：ES2112005T3

公开(公告)日：1998-03-16

申请号：ES95115501

申请日：1995-09-30

Applicant: BASF AG

Inventor： DOCKNER TONI DR ,  LERMER HELMUT DR ,  BITTINS KLAUS DR ,  NESTLER GERHARD DR ,  BRAUCH GUNDO DR

IPC: C07B61/00 ,  C07C67/08 ,  C07C67/60 ,  B01J27/02 ,  C07C69/54

Abstract: A process is claimed for the prodn. of 1,4-butanediol mono-(meth)acrylate (I) by esterification of (meth)acrylic acid (MAA) with 1,4-butanediol (BD). In this process the aq. soln. of unreacted BD which is obtd. is worked up by converting the BD into tetrahydrofuran (THF) and sepg. the THF.

公开(公告)号：DK0706991T3

公开(公告)日：1998-03-09

申请号：DK95115501

申请日：1995-09-30

Applicant: BASF AG

Inventor： DOCKNER TONI DR ,  LERMER HELMUT DR ,  NESTLER GERHARD DR ,  BITTINS KLAUS DR ,  BRAUCH GUNDO DR

IPC: B01J27/02 ,  C07B61/00 ,  C07C67/08 ,  C07C67/60 ,  C07C69/54

Abstract: A process is claimed for the prodn. of 1,4-butanediol mono-(meth)acrylate (I) by esterification of (meth)acrylic acid (MAA) with 1,4-butanediol (BD). In this process the aq. soln. of unreacted BD which is obtd. is worked up by converting the BD into tetrahydrofuran (THF) and sepg. the THF.

公开(公告)号：DE4436241A1

公开(公告)日：1996-04-18

申请号：DE4436241

申请日：1994-10-11

Applicant: BASF AG

Inventor： DOCKNER TONI DR ,  LERMER HELMUT DR ,  BITTINS KLAUS DR ,  NESTLER GERHARD DR ,  BRAUCH GUNDO DR

IPC: B01J27/02 ,  C07B61/00 ,  C07C67/08 ,  C07C67/60 ,  C07C69/54 ,  C07D307/08

Abstract: A process is claimed for the prodn. of 1,4-butanediol mono-(meth)acrylate (I) by esterification of (meth)acrylic acid (MAA) with 1,4-butanediol (BD). In this process the aq. soln. of unreacted BD which is obtd. is worked up by converting the BD into tetrahydrofuran (THF) and sepg. the THF.