DE69717846T2 - Behandlungsverfahren von laktamen - Google Patents

Behandlungsverfahren von laktamen

Info

Publication number
DE69717846T2
DE69717846T2 DE69717846T DE69717846T DE69717846T2 DE 69717846 T2 DE69717846 T2 DE 69717846T2 DE 69717846 T DE69717846 T DE 69717846T DE 69717846 T DE69717846 T DE 69717846T DE 69717846 T2 DE69717846 T2 DE 69717846T2
Authority
DE
Germany
Prior art keywords
lactatas
treatment method
treatment
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
DE69717846T
Other languages
English (en)
Other versions
DE69717846D1 (de
Inventor
Henri Chiarelli
Philippe Leconte
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.)
Rhodia Polyamide Intermediates SAS
Original Assignee
Rhodia Polyamide Intermediates SAS
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 Rhodia Polyamide Intermediates SAS filed Critical Rhodia Polyamide Intermediates SAS
Application granted granted Critical
Publication of DE69717846D1 publication Critical patent/DE69717846D1/de
Publication of DE69717846T2 publication Critical patent/DE69717846T2/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
DE69717846T 1996-10-24 1997-10-23 Behandlungsverfahren von laktamen Expired - Lifetime DE69717846T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9613203A FR2755132B1 (fr) 1996-10-24 1996-10-24 Procede de traitement de lactames
PCT/FR1997/001903 WO1998017641A1 (fr) 1996-10-24 1997-10-23 Procede de traitement de lactames

Publications (2)

Publication Number Publication Date
DE69717846D1 DE69717846D1 (de) 2003-01-23
DE69717846T2 true DE69717846T2 (de) 2003-08-21

Family

ID=9497150

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69717846T Expired - Lifetime DE69717846T2 (de) 1996-10-24 1997-10-23 Behandlungsverfahren von laktamen

Country Status (15)

Country Link
US (1) US6069246A (de)
EP (1) EP0938473B1 (de)
JP (1) JP3579428B2 (de)
KR (1) KR100503982B1 (de)
CN (1) CN1103334C (de)
AR (1) AR009385A1 (de)
BR (1) BR9712568A (de)
CA (1) CA2268807C (de)
DE (1) DE69717846T2 (de)
ES (1) ES2188919T3 (de)
FR (1) FR2755132B1 (de)
ID (1) ID18636A (de)
RU (1) RU2180900C2 (de)
TW (1) TW438778B (de)
WO (1) WO1998017641A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2780401B1 (fr) * 1998-06-25 2001-02-09 Rhone Poulenc Fibres Procede de vaporisation d'aminonitrile
FR2781476B1 (fr) * 1998-07-22 2000-09-22 Rhone Poulenc Fibres Procede de distillation d'ammoniac contenu dans un melange comprenant du caprolactame
US6372939B1 (en) 2000-11-16 2002-04-16 E.I. Du Pont De Nemours And Company Production of 6-aminocaproic acid
US6365770B1 (en) 2000-11-16 2002-04-02 E. I. Du Pont De Nemours And Company Production of alkyl 6-aminocaproate
FR2822465A1 (fr) * 2001-03-21 2002-09-27 Rhodia Polyamide Intermediates Procede d'hydrolyse cyclisante d'un compose aminonitrile en lactame
US6858728B2 (en) * 2003-06-17 2005-02-22 Invista North America S.A.R.L. Method for making caprolactam from impure ACN in which THA is not removed until after caprolactam is produced
US6716977B1 (en) 2003-06-17 2004-04-06 E. I. Du Pont De Nemours And Company Method for making caprolactam from impure ACN wherein ammonia and water are removed from crude caprolactam in a simple separation step and then THA is removed from the resulting caprolactam melt
US7060820B1 (en) 2005-03-18 2006-06-13 Invista North America S.A.R.L. Process for making caprolactam
FR2944791B1 (fr) 2009-04-27 2012-02-10 Rhodia Operations Procede de preparation de lactames.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2714379B1 (fr) * 1993-12-23 1996-02-02 Rhone Poulenc Chimie Procédé de préparation de lactame.
FR2729949A1 (fr) * 1995-01-27 1996-08-02 Rhone Poulenc Chimie Procede de preparation de lactame

Also Published As

Publication number Publication date
TW438778B (en) 2001-06-07
KR100503982B1 (ko) 2005-07-27
RU2180900C2 (ru) 2002-03-27
US6069246A (en) 2000-05-30
CN1237158A (zh) 1999-12-01
FR2755132B1 (fr) 1998-11-27
AR009385A1 (es) 2000-04-12
JP3579428B2 (ja) 2004-10-20
JP2000505102A (ja) 2000-04-25
KR20000052696A (ko) 2000-08-25
BR9712568A (pt) 1999-10-19
CA2268807A1 (fr) 1998-04-30
EP0938473B1 (de) 2002-12-11
FR2755132A1 (fr) 1998-04-30
CN1103334C (zh) 2003-03-19
CA2268807C (fr) 2003-07-08
WO1998017641A1 (fr) 1998-04-30
EP0938473A1 (de) 1999-09-01
ES2188919T3 (es) 2003-07-01
ID18636A (id) 1998-04-30
DE69717846D1 (de) 2003-01-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: PFENNING MEINIG & PARTNER GBR, 80339 MUENCHEN

8328 Change in the person/name/address of the agent

Representative=s name: MAIWALD PATENTANWALTSGESELLSCHAFT MBH, 80335 MUENC