JP2005502668A5 - - Google Patents

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Publication number
JP2005502668A5
JP2005502668A5 JP2003523225A JP2003523225A JP2005502668A5 JP 2005502668 A5 JP2005502668 A5 JP 2005502668A5 JP 2003523225 A JP2003523225 A JP 2003523225A JP 2003523225 A JP2003523225 A JP 2003523225A JP 2005502668 A5 JP2005502668 A5 JP 2005502668A5
Authority
JP
Japan
Prior art keywords
caprolactam
per
meq
product
alkalinity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2003523225A
Other languages
English (en)
Japanese (ja)
Other versions
JP2005502668A (ja
JP4351908B2 (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/NL2002/000558 external-priority patent/WO2003018562A1/en
Publication of JP2005502668A publication Critical patent/JP2005502668A/ja
Publication of JP2005502668A5 publication Critical patent/JP2005502668A5/ja
Application granted granted Critical
Publication of JP4351908B2 publication Critical patent/JP4351908B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2003523225A 2001-08-27 2002-08-23 減圧においてアルカリ性のカプロラクタム生成物を蒸留する方法 Expired - Fee Related JP4351908B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP01203217 2001-08-27
EP01203215 2001-08-27
EP01203214 2001-08-27
PCT/NL2002/000558 WO2003018562A1 (en) 2001-08-27 2002-08-23 Process for distilling alkaline caprolactam product at reduced pressure

Publications (3)

Publication Number Publication Date
JP2005502668A JP2005502668A (ja) 2005-01-27
JP2005502668A5 true JP2005502668A5 (enExample) 2006-01-05
JP4351908B2 JP4351908B2 (ja) 2009-10-28

Family

ID=27224307

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2003523225A Expired - Fee Related JP4351908B2 (ja) 2001-08-27 2002-08-23 減圧においてアルカリ性のカプロラクタム生成物を蒸留する方法
JP2003523214A Expired - Fee Related JP4368197B2 (ja) 2001-08-27 2002-08-23 インサイツ製造されたアルカリアミノカプロエートを使用して水性のカプロラクタム生成物からカプロラクタムを回収する方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2003523214A Expired - Fee Related JP4368197B2 (ja) 2001-08-27 2002-08-23 インサイツ製造されたアルカリアミノカプロエートを使用して水性のカプロラクタム生成物からカプロラクタムを回収する方法

Country Status (18)

Country Link
US (2) US20050029086A1 (enExample)
EP (2) EP1423369B1 (enExample)
JP (2) JP4351908B2 (enExample)
KR (2) KR100907146B1 (enExample)
CN (2) CN1252050C (enExample)
AT (1) ATE498611T1 (enExample)
AU (2) AU2002313611A1 (enExample)
BR (2) BR0212067A (enExample)
CO (2) CO5560549A2 (enExample)
CZ (1) CZ2004296A3 (enExample)
DE (1) DE60239205D1 (enExample)
EA (2) EA006481B1 (enExample)
ES (1) ES2429363T3 (enExample)
MX (1) MX298589B (enExample)
MY (2) MY144901A (enExample)
PL (2) PL370035A1 (enExample)
TW (2) TW568793B (enExample)
WO (2) WO2003018550A1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050029086A1 (en) * 2001-08-27 2005-02-10 Groot Zevert Louise A Process for distilling alkaline caprolactam product at reduced pressure
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
JP6320413B2 (ja) * 2012-12-19 2018-05-09 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ シクロヘキサノンオキシムのベックマン転位からの精製カプロラクタムの製造方法
US8841445B2 (en) 2012-12-19 2014-09-23 Basf Se Process for preparing purified caprolactam from the Beckmann rearrangement of cyclohexane oxime

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202870C (enExample)
CH549020A (de) * 1970-12-22 1974-05-15 Inventa Ag Verfahren zur reinigung von lactamen.
NL7308100A (enExample) * 1973-06-12 1974-12-16
DE3030735A1 (de) * 1980-08-14 1982-03-25 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von caprolactam durch spaltung von oligomeren des caprolactams
NL8102280A (nl) * 1981-05-09 1982-12-01 Stamicarbon Werkwijze voor het zuiveren van epsilon-caprolactam.
US4720328A (en) * 1981-06-26 1988-01-19 Akzona Incorporated Method for removing impurities from caprolactam
DD202870A1 (de) * 1981-09-29 1983-10-05 Leuna Werke Veb Destillative reinigung von epsilon-caprolactam
IT1222419B (it) * 1987-07-31 1990-09-05 Friuli Chim Spa Procedimento di purificazione del caprolattame
DE3729853A1 (de) * 1987-09-05 1989-03-23 Basf Ag Verfahren zur aufarbeitung von destillationsrueckstaenden, die bei der reinigung von caprolactam anfallen
US5496641A (en) * 1991-06-13 1996-03-05 Nippon Sheet Glass Co., Ltd. Plastic lens
DE4407222A1 (de) * 1994-03-04 1995-09-07 Basf Ag Verfahren zur Rückgewinnung von Caprolactam aus Oliogo- und/oder Polymeren des Caprolactams
DE19500041A1 (de) † 1995-01-03 1996-07-04 Basf Ag Verfahren zur kontinuierlichen Reinigung von aus 6-Aminocapronitril hergestelltem Roh-Caprolactam
FR2809395B1 (fr) † 2000-05-26 2002-07-19 Rhodia Polyamide Intermediates Procede de purification de lactames
JP2002145863A (ja) † 2000-11-02 2002-05-22 Mitsubishi Chemicals Corp ε−カプロラクタムの精製方法
DE60239191D1 (de) † 2001-03-01 2011-03-31 Dsm Ip Assets Bv Verfahren zur rückgewinnung und aufreinigung von caprolactam aus einem organischem lösungsmittel
US20050029086A1 (en) * 2001-08-27 2005-02-10 Groot Zevert Louise A Process for distilling alkaline caprolactam product at reduced pressure

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