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公开(公告)号:DE50305512D1
公开(公告)日:2006-12-07
申请号:DE50305512
申请日:2003-08-08
Applicant: BASF AG
Inventor: FUNKE FRANK , HILL THOMAS , VON WATZDORF RUEDIGER , MATTMANN WOLFGANG , HARDER WOLFGANG , HENKES ERHARD , LITTMANN GERD , JULIUS MANFRED
IPC: C07C209/86 , B01D3/14 , C07C209/84 , C07C211/36
Abstract: Recovery of isophoronediamine (IPDA) comprises preparation of IPDA having a cis/trans isomer ratio of less than 73/27 and separation into at least 5 fractions by distillation including an IPDA fraction having a cis/trans ratio of greater than 73/27 and a fraction having a cis/trans ratio of less than 66/34. A process for the recovery of 3-aminomethyl-3,5,5-trimethylcyclohexylamine (isophoronediamine, IPDA) comprises; (a) preparation of IPDA having a cis/trans isomer ratio of less than 73/27; (b) introduction of IPDA to the middle region of a distillation column having inserts and distillation of IPDA at 5-300 degreesC and 10-2000 mbar; (c) optionally further purification of the IPDA from (b) by distillation in at least one further column whereby the IPDA from step (b) and (c) are separated into at least 5 fractions comprising an organic fraction (1a) containing impurities having a lower b. pt. than trans-IPDA, an aqueous fraction (1b) containing impurities having a lower b. pt. than trans-IPDA, a fraction (2) containing impurities having a higher b. pt. than cis-IPDA, an IPDA fraction (3) having a cis/trans ratio of greater than 73/27 and an IPDA fraction (4) having a cis/trans ratio of less than 66/34.
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公开(公告)号:AU2003258591A8
公开(公告)日:2004-04-30
申请号:AU2003258591
申请日:2003-08-08
Applicant: BASF AG
Inventor: HARDER WOLFGANG , WATZDORF JOBST RUDIGER VON , LITTMANN GERD , MATTMANN WOLFGANG , HILL THOMAS , HENKES ERHARD , JULIUS MANFRED , FUNKE FRANK
IPC: C07C209/86 , B01D3/14 , C07C209/84 , C07C211/36
Abstract: Recovery of isophoronediamine (IPDA) comprises preparation of IPDA having a cis/trans isomer ratio of less than 73/27 and separation into at least 5 fractions by distillation including an IPDA fraction having a cis/trans ratio of greater than 73/27 and a fraction having a cis/trans ratio of less than 66/34. A process for the recovery of 3-aminomethyl-3,5,5-trimethylcyclohexylamine (isophoronediamine, IPDA) comprises; (a) preparation of IPDA having a cis/trans isomer ratio of less than 73/27; (b) introduction of IPDA to the middle region of a distillation column having inserts and distillation of IPDA at 5-300 degreesC and 10-2000 mbar; (c) optionally further purification of the IPDA from (b) by distillation in at least one further column whereby the IPDA from step (b) and (c) are separated into at least 5 fractions comprising an organic fraction (1a) containing impurities having a lower b. pt. than trans-IPDA, an aqueous fraction (1b) containing impurities having a lower b. pt. than trans-IPDA, a fraction (2) containing impurities having a higher b. pt. than cis-IPDA, an IPDA fraction (3) having a cis/trans ratio of greater than 73/27 and an IPDA fraction (4) having a cis/trans ratio of less than 66/34.
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公开(公告)号:AU2002352013A1
公开(公告)日:2003-07-09
申请号:AU2002352013
申请日:2002-11-15
Applicant: BASF AG
Inventor: HENKES ERHARD , SCHMIDTKE HELMUT , FISCHER ROLF-HARTMUTH , JULIUS MANFRED , LEBKUCHER ROLF , ROSS KARL-HEINZ , RUDLOFF MARTIN , STOPS PETER
IPC: C07D207/26 , C07D207/267
Abstract: Process for the continuous preparation of N-methyl-2-pyrrolidone (NMP) by reacting gamma-butyrolactone (GBL) with monomethylamine (MMA) in the liquid phase, wherein GBL and MMA are used in a molar ratio of from 1:1.08 to 1:2 and the reaction is carried out at from 320 to 380° C. and an absolute pressure of from 70 to 120 bar.
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公开(公告)号:AT343561T
公开(公告)日:2006-11-15
申请号:AT03794858
申请日:2003-08-08
Applicant: BASF AG
Inventor: FUNKE FRANK , HILL THOMAS , VON WATZDORF JOBST RUEDIGER , MATTMANN WOLFGANG , HARDER WOLFGANG , HENKES ERHARD , LITTMANN GERD , JULIUS MANFRED
IPC: C07C209/86 , B01D3/14 , C07C209/84 , C07C211/36
Abstract: Recovery of isophoronediamine (IPDA) comprises preparation of IPDA having a cis/trans isomer ratio of less than 73/27 and separation into at least 5 fractions by distillation including an IPDA fraction having a cis/trans ratio of greater than 73/27 and a fraction having a cis/trans ratio of less than 66/34. A process for the recovery of 3-aminomethyl-3,5,5-trimethylcyclohexylamine (isophoronediamine, IPDA) comprises; (a) preparation of IPDA having a cis/trans isomer ratio of less than 73/27; (b) introduction of IPDA to the middle region of a distillation column having inserts and distillation of IPDA at 5-300 degreesC and 10-2000 mbar; (c) optionally further purification of the IPDA from (b) by distillation in at least one further column whereby the IPDA from step (b) and (c) are separated into at least 5 fractions comprising an organic fraction (1a) containing impurities having a lower b. pt. than trans-IPDA, an aqueous fraction (1b) containing impurities having a lower b. pt. than trans-IPDA, a fraction (2) containing impurities having a higher b. pt. than cis-IPDA, an IPDA fraction (3) having a cis/trans ratio of greater than 73/27 and an IPDA fraction (4) having a cis/trans ratio of less than 66/34.
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公开(公告)号:DE50207212D1
公开(公告)日:2006-07-27
申请号:DE50207212
申请日:2002-08-30
Applicant: BASF AG
Inventor: RUDLOFF MARTIN , STOPS PETER , HENKES ERHARD , SCHMIDTKE HELMUT , FISCHER ROLF-HARTMUTH , JULIUS MANFRED , LEBKUECHER ROLF , ROSS KARL-HEINZ
IPC: C07D207/26 , C07D201/08 , C07D207/267
Abstract: A process for continuously preparing 2-pyrrolidone by reacting gamma-butyrolactone with ammonia in the liquid phase in the presence of water, wherein the reaction is carried out at a temperature of from 275 to 300° C. and an absolute pressure of from 140 to 180 bar.
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公开(公告)号:ES2290546T3
公开(公告)日:2008-02-16
申请号:ES03790870
申请日:2003-08-06
Applicant: BASF AG
Inventor: FUNKE FRANK , HILL THOMAS , VON WATZDORF JOBST RUDIGER , MATTMANN WOLFGANG , HARDER WOLFGANG , HENKES ERHARD
IPC: C07C209/54 , C07C209/84 , C07B61/00 , C07C29/68 , C07C209/82 , C07C209/86 , C07C211/36
Abstract: Un proceso para preparar 3-aminometil-3, 5, 5-trimetilciclohexilamina (isoforonodiamina, IPDA) sustancialmente pura que tiene una proporción de isómeros cis/trans de por lo menos 73/27, y comprende la siguientes etapas: a) suministrar IPDA crudo que tenga una proporción de isómeros cis/trans de
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公开(公告)号:AU2003258591A1
公开(公告)日:2004-04-30
申请号:AU2003258591
申请日:2003-08-08
Applicant: BASF AG
Inventor: HENKES ERHARD , LITTMANN GERD , JULIUS MANFRED , FUNKE FRANK , HILL THOMAS , WATZDORF JOBST RUDIGER VON , MATTMANN WOLFGANG , HARDER WOLFGANG
IPC: C07C209/86 , B01D3/14 , C07C209/84 , C07C211/36 , C07C209/00
Abstract: Recovery of isophoronediamine (IPDA) comprises preparation of IPDA having a cis/trans isomer ratio of less than 73/27 and separation into at least 5 fractions by distillation including an IPDA fraction having a cis/trans ratio of greater than 73/27 and a fraction having a cis/trans ratio of less than 66/34. A process for the recovery of 3-aminomethyl-3,5,5-trimethylcyclohexylamine (isophoronediamine, IPDA) comprises; (a) preparation of IPDA having a cis/trans isomer ratio of less than 73/27; (b) introduction of IPDA to the middle region of a distillation column having inserts and distillation of IPDA at 5-300 degreesC and 10-2000 mbar; (c) optionally further purification of the IPDA from (b) by distillation in at least one further column whereby the IPDA from step (b) and (c) are separated into at least 5 fractions comprising an organic fraction (1a) containing impurities having a lower b. pt. than trans-IPDA, an aqueous fraction (1b) containing impurities having a lower b. pt. than trans-IPDA, a fraction (2) containing impurities having a higher b. pt. than cis-IPDA, an IPDA fraction (3) having a cis/trans ratio of greater than 73/27 and an IPDA fraction (4) having a cis/trans ratio of less than 66/34.
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公开(公告)号:DE10144631A1
公开(公告)日:2003-03-27
申请号:DE10144631
申请日:2001-09-11
Applicant: BASF AG
Inventor: SCHAEFER MARTIN , BOETTCHER ARND , KRAMER ANDREAS , HOEHN ARTHUR , KACZMAREK REINHARD , HENKES ERHARD
IPC: B01J23/42 , B01J23/44 , B01J23/63 , C07B61/00 , C07D207/32 , C07D207/323 , C07D213/06 , C07D213/133 , C07D213/16 , C07D213/24
Abstract: Production of pyrroles (I) or pyridines (III), comprises dehydrogenating the corresponding pyrrolidines (II) or piperidines (IV) in the presence of a supported noble metal catalyst comprises performing the reaction in the presence of 1-50 wt.% water. Production of pyrroles of formula (I) or pyridines of formula (III), comprises dehydrogenating the corresponding pyrrolidines of formula (II) or piperidines of formula (IV) in the presence of a supported noble metal catalyst comprises performing the reaction in the presence of 1-50 wt.% water. R -R = H or 1-6C aliphatic group.
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公开(公告)号:DE10142635A1
公开(公告)日:2003-03-20
申请号:DE10142635
申请日:2001-08-31
Applicant: BASF AG
Inventor: FUNKE FRANK , HILL THOMAS , MELDER JOHANN-PETER , SCHWAB EKKEHARD , HIMMEL WALTER , HENKES ERHARD , PETERSEN HERMANN , KOERNER REINHARD
IPC: B01J23/40 , B01J23/70 , B01J23/75 , B01J23/889 , B01J23/89 , B01J27/185 , B01J27/187 , B01J35/10 , B01J37/00 , B01J37/03 , B01J37/08 , B01J37/18 , C07B61/00 , C07C209/26 , C07C209/48 , C07C211/36 , C07C253/30 , C07C255/61
Abstract: The invention relates to a method for the production of 3-aminomethyl-3,5,5-trimethylcyclohexylamine (isophorondiamine, IPDA) with a cis/trans isomer ratio of at least 70/30 from 3-cyano-3,5,5-trimethylcyclohexanon (isophorone nitril, IPN), NH3 and H2, wherein hydrogenation is carried out in the presence of a hydrogenation catalyst at temperatures ranging from 50 to 200 DEG C and at a pressure ranging from 50 to 300 bar. The invention is characterized in that the alkali metal content of the hydrogenation catalyst is
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公开(公告)号:DE19910504A1
公开(公告)日:2000-09-14
申请号:DE19910504
申请日:1999-03-10
Applicant: BASF AG
Inventor: HENKES ERHARD , IFFLAND GABRIELE , CIPRIAN JUERGEN
IPC: C07D223/10 , C07B63/00 , C07D201/16 , C07D207/26 , C07D207/267 , C07D207/27 , C07D211/14 , C07D225/02 , C07D207/263 , C07D211/76 , C07D227/087
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