BE861593A - Procede ameliore pour l'extraction continue de la caprolactame par le benzene - Google Patents

Procede ameliore pour l'extraction continue de la caprolactame par le benzene

Info

Publication number
BE861593A
BE861593A BE183243A BE183243A BE861593A BE 861593 A BE861593 A BE 861593A BE 183243 A BE183243 A BE 183243A BE 183243 A BE183243 A BE 183243A BE 861593 A BE861593 A BE 861593A
Authority
BE
Belgium
Prior art keywords
caprolactam
benzene
improved process
continuous extraction
extraction
Prior art date
Application number
BE183243A
Other languages
English (en)
French (fr)
Original Assignee
Basf Ag
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 Basf Ag filed Critical Basf Ag
Publication of BE861593A publication Critical patent/BE861593A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
BE183243A 1976-12-11 1977-12-07 Procede ameliore pour l'extraction continue de la caprolactame par le benzene BE861593A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2656182A DE2656182C3 (de) 1976-12-11 1976-12-11 Verfahren zur kontinuierlichen Extraktion von Caprolactam aus Wasser enthaltendem Rohlactam

Publications (1)

Publication Number Publication Date
BE861593A true BE861593A (fr) 1978-06-07

Family

ID=5995257

Family Applications (1)

Application Number Title Priority Date Filing Date
BE183243A BE861593A (fr) 1976-12-11 1977-12-07 Procede ameliore pour l'extraction continue de la caprolactame par le benzene

Country Status (5)

Country Link
US (1) US4154729A (xx)
JP (1) JPS5373579A (xx)
BE (1) BE861593A (xx)
DE (1) DE2656182C3 (xx)
NL (1) NL7713397A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2845019A1 (de) * 1978-10-16 1980-04-30 Basf Ag Verfahren zur kontinuierlichen herstellung von epsilon -caprolactam durch beckmann'sche umlagerung
DE2926279A1 (de) * 1979-06-29 1981-01-08 Basf Ag Verfahren zur reinigung von caprolactam
DE3026538A1 (de) * 1980-07-12 1982-02-11 Basf Ag, 6700 Ludwigshafen Verfahren zur kontinuierlichen extraktion von caprolactam als solches und dessen oligomere enthaltenden waessrigen loesungen
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
MX2011002445A (es) * 2008-09-04 2011-04-21 Dsm Ip Assets Bv Lavado de una fase organica que comprende caprolactama.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758991A (en) * 1956-08-14 Hvvevvtofry
US3761467A (en) * 1971-02-11 1973-09-25 Allied Chem Recovery of epsilon-caprolactam
NL164028C (nl) * 1971-05-07 1980-11-17 Stamicarbon Werkwijze voor de afscheiding van lactamen.
CA989830A (en) * 1971-05-07 1976-05-25 Abraham H. De Rooij Process for preparing and recovering lactams
NL7505130A (nl) * 1975-05-01 1976-11-03 Stamicarbon Werkwijze voor de winning van zuiver epsilon- -caprolactam uit een waterige oplossing hiervan.

Also Published As

Publication number Publication date
US4154729A (en) 1979-05-15
NL7713397A (nl) 1978-06-13
DE2656182C3 (de) 1979-10-04
DE2656182A1 (de) 1978-06-22
DE2656182B2 (de) 1979-02-08
JPS5373579A (en) 1978-06-30

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: BASF A.G.

Effective date: 19971207