BE848260A - Purification de la caprolactame, - Google Patents

Purification de la caprolactame,

Info

Publication number
BE848260A
BE848260A BE172286A BE172286A BE848260A BE 848260 A BE848260 A BE 848260A BE 172286 A BE172286 A BE 172286A BE 172286 A BE172286 A BE 172286A BE 848260 A BE848260 A BE 848260A
Authority
BE
Belgium
Prior art keywords
caprolactam
purification
Prior art date
Application number
BE172286A
Other languages
English (en)
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 filed Critical
Publication of BE848260A publication Critical patent/BE848260A/fr

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE172286A 1975-11-13 1976-11-12 Purification de la caprolactame, BE848260A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2550934A DE2550934C3 (de) 1975-11-13 1975-11-13 Reinigung von Caprolactam

Publications (1)

Publication Number Publication Date
BE848260A true BE848260A (fr) 1977-05-12

Family

ID=5961626

Family Applications (1)

Application Number Title Priority Date Filing Date
BE172286A BE848260A (fr) 1975-11-13 1976-11-12 Purification de la caprolactame,

Country Status (9)

Country Link
US (1) US4239682A (fr)
JP (1) JPS5262289A (fr)
BE (1) BE848260A (fr)
CA (1) CA1080222A (fr)
DE (1) DE2550934C3 (fr)
FR (1) FR2331558A1 (fr)
GB (1) GB1530357A (fr)
IT (1) IT1066655B (fr)
NL (1) NL7612486A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2724361A1 (de) * 1977-05-28 1978-11-30 Bayer Ag Reinigung von caprolactam
DE2845075A1 (de) * 1978-10-17 1980-05-08 Basf Ag Verfahren zur reinigung von rohcaprolactam
NL8003365A (nl) * 1980-06-10 1982-01-04 Stamicarbon Werkwijze voor het zuiveren van 2-pyrrolidon.
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
IT1173261B (it) * 1984-02-08 1987-06-18 Snia Bpd Spa Procedimento di purificazione del caprolattame
JP2601945B2 (ja) * 1990-11-21 1997-04-23 宇部興産株式会社 ラクタム油の精製方法
JP2601946B2 (ja) * 1990-11-21 1997-04-23 宇部興産株式会社 ラクタム含有溶液の精製方法
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973355A (en) * 1961-02-28 Process for the production of pure x-caprolactim
US2221369A (en) * 1940-11-12 Process foe producing lactams
CH294693A (de) * 1950-07-26 1953-11-30 Inventa Ag Verfahren zur kontinuierlichen Herstellung von Rein-Lactamen durch Extraktion.
FR1105508A (fr) * 1953-05-20 1955-12-05 Dow Chemical Co Perfectionnements à un procédé de gravure sur métaux et à un bain de gravure utilisé dans ce procédé
DE2301587C3 (de) * 1973-01-13 1981-02-26 Bayer Ag, 5090 Leverkusen Verfahren zur Entfernung von Borsäure aus Lactamen

Also Published As

Publication number Publication date
DE2550934B2 (de) 1979-10-04
US4239682A (en) 1980-12-16
JPS5262289A (en) 1977-05-23
DE2550934C3 (de) 1980-06-12
NL7612486A (nl) 1977-05-17
JPS612657B2 (fr) 1986-01-27
DE2550934A1 (de) 1977-05-26
FR2331558A1 (fr) 1977-06-10
CA1080222A (fr) 1980-06-24
IT1066655B (it) 1985-03-12
GB1530357A (en) 1978-10-25
FR2331558B1 (fr) 1981-11-13

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