DE69719042D1 - Verfahren zur herstellung von epsilon-caprolactam - Google Patents

Verfahren zur herstellung von epsilon-caprolactam

Info

Publication number
DE69719042D1
DE69719042D1 DE69719042T DE69719042T DE69719042D1 DE 69719042 D1 DE69719042 D1 DE 69719042D1 DE 69719042 T DE69719042 T DE 69719042T DE 69719042 T DE69719042 T DE 69719042T DE 69719042 D1 DE69719042 D1 DE 69719042D1
Authority
DE
Germany
Prior art keywords
caprolactam
producing epsilon
epsilon
producing
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.)
Expired - Lifetime
Application number
DE69719042T
Other languages
English (en)
Other versions
DE69719042T2 (de
Inventor
Philippus Guit
Wim Buijs
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Invista Technologies SARL Switzerland
EIDP Inc
Original Assignee
DSM NV
EI Du Pont de Nemours and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by DSM NV, EI Du Pont de Nemours and Co filed Critical DSM NV
Publication of DE69719042D1 publication Critical patent/DE69719042D1/de
Application granted granted Critical
Publication of DE69719042T2 publication Critical patent/DE69719042T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
DE69719042T 1996-09-02 1997-08-28 Verfahren zur herstellung von epsilon-caprolactam Expired - Lifetime DE69719042T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP96202438A EP0826666A1 (de) 1996-09-02 1996-09-02 Verfahren zur Herstellung von epsilon-Caprolactam
US2749696P 1996-09-30 1996-09-30
PCT/NL1997/000488 WO1998009944A1 (en) 1996-09-02 1997-08-28 PROCESS FOR THE PREPARATION OF ε-CAPROLACTAM

Publications (2)

Publication Number Publication Date
DE69719042D1 true DE69719042D1 (de) 2003-03-20
DE69719042T2 DE69719042T2 (de) 2003-11-27

Family

ID=8224339

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69719042T Expired - Lifetime DE69719042T2 (de) 1996-09-02 1997-08-28 Verfahren zur herstellung von epsilon-caprolactam

Country Status (10)

Country Link
EP (2) EP0826666A1 (de)
JP (1) JP2001500123A (de)
CN (1) CN1117730C (de)
CA (1) CA2264039A1 (de)
DE (1) DE69719042T2 (de)
ES (1) ES2192692T3 (de)
ID (1) ID18202A (de)
MY (1) MY118006A (de)
TW (1) TW412528B (de)
WO (1) WO1998009944A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0984002A1 (de) * 1998-09-03 2000-03-08 Dsm N.V. Verfahren zur kontinuierlichen Herstellung von einem wässrigen Gemisch von Epsilon-Caprolactam und Epsilon-Caprolactamvorläufern
EP1028109A1 (de) * 1999-02-12 2000-08-16 Dsm N.V. Verfahren zur Herstellung von Epsilon-Caprolactam
WO2001056984A1 (en) * 2000-02-03 2001-08-09 Dsm N.V. PROCESS FOR THE PREPARATION OF ε-CAPROLACTAM
US6660857B2 (en) 2000-02-03 2003-12-09 Dsm N.V. Process for the preparation of ε-caprolactam
EP1122241A1 (de) * 2000-02-03 2001-08-08 Dsm N.V. Verfahren zur Herstellung von epsilon-Caprolactam
DE10021201A1 (de) * 2000-05-03 2001-11-08 Basf Ag Verfahren zur Herstellung cyclischer Lactame
CN101747248B (zh) * 2008-12-03 2012-08-22 中国科学院大连化学物理研究所 一种由5-甲酰基戊酸甲酯制备己内酰胺的方法
CN103864689B (zh) * 2012-12-07 2017-12-22 Cap Iii 有限公司 一种提纯含水硫酸铵相的蒸发结晶步骤中获得的冷凝液的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485821A (en) * 1967-05-29 1969-12-23 Techni Chem Co The Process for preparing caprolactam and its alkyl substituted derivatives
DE1795013C3 (de) * 1968-07-29 1975-03-13 Kanebo, Ltd., Tokio Verfahren zur Herstellung von epsilon -Caprolactam
DE3602376A1 (de) * 1986-01-28 1987-07-30 Basf Ag Verfahren zur herstellung von (epsilon)-caprolactam
DE3602377A1 (de) * 1986-01-28 1987-07-30 Basf Ag Verfahren zur herstellung von caprolactam
DE3602375A1 (de) * 1986-01-28 1987-07-30 Basf Ag Verfahren zur herstellung von (epsilon)-caprolactam
DE3843791A1 (de) * 1988-12-24 1990-07-05 Basf Ag Verfahren zur herstellung von caprolactam

Also Published As

Publication number Publication date
ES2192692T3 (es) 2003-10-16
EP0826666A1 (de) 1998-03-04
TW412528B (en) 2000-11-21
DE69719042T2 (de) 2003-11-27
EP0927160A1 (de) 1999-07-07
ID18202A (id) 1998-03-12
EP0927160B1 (de) 2003-02-12
WO1998009944A1 (en) 1998-03-12
CA2264039A1 (en) 1998-03-12
CN1235595A (zh) 1999-11-17
JP2001500123A (ja) 2001-01-09
MY118006A (en) 2004-08-30
CN1117730C (zh) 2003-08-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DSM IP ASSETS B.V., HEERLEN, NL

Owner name: E.I. DU PONT DE NEMOURS AND CO., WILMINGTON, DEL.,

8327 Change in the person/name/address of the patent owner

Owner name: E.I. DUPONT DE NEMOURS AND CO., WILMINGTON, DEL.,

Owner name: INVISTA TECHNOLOGIES S.A.R.L., ZWEIGNIEDERLASSUNG