DE69304514T2 - Reinigung von 6-aminocapronitril - Google Patents

Reinigung von 6-aminocapronitril

Info

Publication number
DE69304514T2
DE69304514T2 DE69304514T DE69304514T DE69304514T2 DE 69304514 T2 DE69304514 T2 DE 69304514T2 DE 69304514 T DE69304514 T DE 69304514T DE 69304514 T DE69304514 T DE 69304514T DE 69304514 T2 DE69304514 T2 DE 69304514T2
Authority
DE
Germany
Prior art keywords
aminocapronitril
cleaning
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 - Fee Related
Application number
DE69304514T
Other languages
English (en)
Other versions
DE69304514D1 (de
Inventor
James Sieja
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.)
EIDP Inc
Original Assignee
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE69304514D1 publication Critical patent/DE69304514D1/de
Application granted granted Critical
Publication of DE69304514T2 publication Critical patent/DE69304514T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C253/00—Preparation of carboxylic acid nitriles
    • C07C253/32—Separation; Purification; Stabilisation; Use of additives
    • C07C253/34—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69304514T 1992-02-27 1993-02-24 Reinigung von 6-aminocapronitril Expired - Fee Related DE69304514T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/841,351 US5162567A (en) 1992-02-27 1992-02-27 Purification of 6-aminocapronitrile
PCT/US1993/001460 WO1993016984A1 (en) 1992-02-27 1993-02-24 Purification of 6-aminocapronitrile

Publications (2)

Publication Number Publication Date
DE69304514D1 DE69304514D1 (de) 1996-10-10
DE69304514T2 true DE69304514T2 (de) 1997-03-27

Family

ID=25284651

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69304514T Expired - Fee Related DE69304514T2 (de) 1992-02-27 1993-02-24 Reinigung von 6-aminocapronitril

Country Status (10)

Country Link
US (1) US5162567A (de)
EP (1) EP0628025B1 (de)
JP (1) JP3289903B2 (de)
KR (1) KR100268689B1 (de)
BR (1) BR9305994A (de)
CA (1) CA2130915C (de)
DE (1) DE69304514T2 (de)
ES (1) ES2090982T3 (de)
MX (1) MX9301069A (de)
WO (1) WO1993016984A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5312959A (en) * 1993-07-12 1994-05-17 E. I. Du Pont De Nemours And Company Purification of 2-methylglutaronitrile or adiponitrile
DE19517823A1 (de) 1995-05-18 1996-11-21 Basf Ag Verfahren zur Herstellung von Caprolactam
FR2735471B1 (fr) * 1995-06-16 1997-08-22 Rhone Poulenc Chimie Procede de preparation de lactames
DE19704614A1 (de) * 1997-02-07 1998-08-13 Basf Ag Verfahren zur Abtrennnung eines Imins aus einer Mischung enthaltend ein Amin und ein Imin
DE19704613A1 (de) 1997-02-07 1998-08-13 Basf Ag Verfahren zur Abtrennung von 6-Aminocapronsäurenitril aus Mischungen, die 6-Aminocapronsäurenitril und ein Imin enthalten
DE19704620A1 (de) 1997-02-07 1998-08-13 Basf Ag Verfahren zur Abtrennung von 6-Aminocapronitril aus Mischungen, die 6-Aminocapronitril und ein Imin enthalten
DE19812427A1 (de) 1998-03-20 1999-09-23 Basf Ag Verfahren zur Abtrennung eines Azepin-Derivats aus einer Mischung enthaltend ein Amin und ein Azepin-Derivat
US5961788A (en) * 1998-10-09 1999-10-05 E. I. Du Pont De Nemours And Company Sequential distillation process for removing tetrahydroazepine from aminocapronitrile and/or hexamethylenediamine
DE10059716A1 (de) * 2000-11-30 2002-06-06 Basf Ag Verfahren zur Reduzierung des Gehalts an einem ungesättigten Amin in einer Mischung enthaltend ein Amin und ein Nitril
DE10223827A1 (de) * 2002-05-28 2003-12-11 Basf Ag Verfahren zur Reduzierung des Gehalts an einem ungesättigten Amin in einer Mischung enthaltend ein Aminonitril, ein Diamin, ein Dinitril oder deren Gemische
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

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA601619A (en) * 1960-07-12 H. Ottenheym Johannes PROCESS FOR THE RECOVERY OF .omega.-AMINOCAPRONITRILE FROM MIXTURES OF .omega.-AMINOCAPRONITRILE,.omega.-CAPRONITRILE AND WATER
US2242309A (en) * 1938-03-23 1941-05-20 Du Pont Process for purifying nitriles
US3004059A (en) * 1958-02-11 1961-10-10 Degussa Process for the recovery of omega-aminonitriles
NL258960A (de) * 1959-12-15
US4601859A (en) * 1984-05-04 1986-07-22 Allied Corporation Selective hydrogenation of aliphatic dinitriles to omega-aminonitriles in ammonia with supported, finely dispersed rhodium-containing catalyst

Also Published As

Publication number Publication date
JP3289903B2 (ja) 2002-06-10
KR950700238A (ko) 1995-01-16
CA2130915A1 (en) 1993-09-02
DE69304514D1 (de) 1996-10-10
BR9305994A (pt) 1997-10-21
CA2130915C (en) 2004-05-18
WO1993016984A1 (en) 1993-09-02
EP0628025B1 (de) 1996-09-04
MX9301069A (es) 1993-08-01
KR100268689B1 (ko) 2000-10-16
JPH07504415A (ja) 1995-05-18
US5162567A (en) 1992-11-10
ES2090982T3 (es) 1996-10-16
EP0628025A1 (de) 1994-12-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee