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公开(公告)号：BR8801270A
公开(公告)日：1988-10-25
申请号：BR8801270
申请日：1988-03-21
Applicant: BASF AG
Inventor： KAIBEL GERD , HEFNER WERNER , KELLER PETER , DREWITZ WERNER
Abstract: 1,3-Butadiene is isolated from a C4-hydrocarbon mixture containing 1,3-butadiene and small amount of propyne and C5-hydrocarbons by extractive distillation with a selective solvent and subsequent distillative purification of the crude 1,3-butadiene obtained in the extractive distillation.
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42.发明专利
公开(公告)号：CA1222258A
公开(公告)日：1987-05-26
申请号：CA455081
申请日：1984-05-24
Applicant: BASF AG
Inventor： LINDNER ALFRED , BROELLOS KLAUS , SANDROCK GERHARD , VOLKAMER KLAUS , HEFNER WERNER
Abstract: The invention relates to a process for the separation of a C4-hydrocarbon mixture which essentially contains n-butenes and butanes. This process is characterized in that the mixture is reacted with a carboxylic acid in the presence of an acidic catalyst to form a butyl carboxylate; the reaction mixture obtained from the esterification zone is distilled to give, as the top product, a fraction containing the butanes, and, as the bottom product, a fraction containing the resulting butyl carboxylate; the butyl carboxylate is decomposed at elevated temperatures to give the carboxylic acid and n-butenes; and the mixture of n-butenes and carboxylic acid is then distilled, the n-butenes being obtained as the top product, and the carboxylic acid as the bottom product. This process permits to use apparatus that are less expensive than those required for the conventional extractive distillation method.
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公开(公告)号：NO840862A
公开(公告)日：1984-09-10
申请号：NO840862
申请日：1984-03-07
Applicant: BASF AG
Inventor： WAGNER ECKHART , VOLKAMER KALUS , HEFNER WERNER , WAGNER ULRICH
CPC classification number: B01D53/1462 , C07C7/11 , Y02C10/06 , Y02P20/152 , C07C9/04
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公开(公告)号：IN1055CH2002A
公开(公告)日：2007-04-06
申请号：IN1055CH2002
申请日：2002-07-09
Applicant: BASF AG
Inventor： TELES JOAQUIM HENRIQUE , REHFINGER ALWIN , BASSLER PETER , RIEBER NORBERT , HEFNER WERNER , BERG ANNE , RUDOLF PETER
IPC: B01D3/00 , C07B61/00 , C07C5/42 , C07C11/06 , C07D301/12 , C07D301/32 , C07D303/04
Abstract: A mixture (M1) comprising an alkene and oxygen is worked up by a process in which (i) oxygen is removed from the mixture (M1) by a nondistillative method to give a mixture (M2) and (ii) the alkene is separated off from the mixture (M2) by distillation.
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公开(公告)号：DE60111015T2
公开(公告)日：2005-11-03
申请号：DE60111015
申请日：2001-01-12
Applicant: BASF AG
Inventor： TELES HENRIQUE , REHFINGER ALWIN , BASSLER PETER , RIEBER NORBERT , HEFNER WERNER , BERG ANNE , RUDOLF PETER
IPC: B01D3/00 , C07B61/00 , C07C5/42 , C07C11/06 , C07D301/12 , C07D301/32 , C07D303/04
Abstract: A mixture (M1) comprising an alkene and oxygen is worked up by a process in which (i) oxygen is removed from the mixture (M1) by a nondistillative method to give a mixture (M2) and (ii) the alkene is separated off from the mixture (M2) by distillation.
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Patent Agency Ranking
公开(公告)号：DE19840372A1
公开(公告)日：2000-03-09
申请号：DE19840372
申请日：1998-09-04
Applicant: BASF AG
Inventor： FLICK KLEMENS , MEISNER RUPRECHT , HEFNER WERNER , FESER RAINER , KUNZ FABIAN
IPC: B01J23/38 , B01J21/08 , B01J23/44 , B01J23/50 , B01J23/72 , B01J23/755 , B01J32/00 , B01J33/00 , B01J35/10 , C07B63/02 , C07C11/04 , C07C11/06 , C10G35/06 , C10G45/40 , C10G70/02 , C07B63/00 , C07B31/00 , B01D53/00
Abstract: Catalyst contains 0.05-1.0 wt.% of a group 10 metal (compound) and 0.05-1.0 wt.% of a group 11 metal (compound). The weight ratio of the group 11 metal to the group 10 metal is 0.95-1.05. The catalyst is supported on a silicon dioxide support having a BET surface area of 2-400 m /g. At least 20% of the total pore volume of the catalyst is present in pores having a diameter above 100 nanometers An Independent claim is also included for a process for removing alkynes, dienes and simple unsaturated hydrocarbons and/or oxygen from material streams by reacting the material stream with hydrogen over a catalyst containing 0.05-1.0 wt.% of a group 10 metal (compound) and 0.05-1.0 wt.% of a group 11 metal (compound).
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公开(公告)号：SG55115A1
公开(公告)日：1998-12-21
申请号：SG1996006552
申请日：1996-03-09
Applicant: BASF AG
Inventor： TENTEN ANDREAS , NEUMANN HANS-PETER , VOGEL HERBERT , MACHHAMMER OTTO , HEFNER WERNER , RUPPEL WILHELM
IPC: C07B35/04 , C07B41/06 , C07B41/08 , C07C27/00 , C07C45/32 , C07C45/35 , C07C47/22 , C07C51/235 , C07C51/25 , C07C51/265 , C07C57/05 , C07D301/08
Abstract: Continuous gas phase partial oxidn. of an organic cpd. (I) with heterogeneous catalyst in an oxidn. reactor uses a charge gas mixt. contg. (I) O2 and an inert diluent gas (II), which consists partly of combustible gases (IIA). The novelty is that the (IIA) fraction of (II) in the prod. gas stream leaving the oxidn. reactor is not recycled to partial oxidn. but used in another chemical reaction.
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公开(公告)号：IN174495B
公开(公告)日：1994-12-24
申请号：IN607MA1989
申请日：1989-08-14
Applicant: BASF AG
Inventor： GERHARDT WOLFGANG , HEFNER WERNER
IPC: B01D53/00
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公开(公告)号：NO163172C
公开(公告)日：1990-04-18
申请号：NO850923
申请日：1985-03-08
Applicant: BASF AG
Inventor： WERNER ECKHART , VOLKAMER KLAUS , HEFNER WERNER , WAGNER ULRICH
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公开(公告)号：NO160178C
公开(公告)日：1989-03-22
申请号：NO854706
申请日：1985-11-25
Applicant: BASF AG
Inventor： WAGNER ECKHART , VOLKAMER KLAUS , HEFNER WERNER , WAGNER ULRICH , SCHUBERT FRANZ
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