BE816209A - Procede d'obtention d'epsilon-caprolactame - Google Patents

Procede d'obtention d'epsilon-caprolactame

Info

Publication number
BE816209A
BE816209A BE145315A BE145315A BE816209A BE 816209 A BE816209 A BE 816209A BE 145315 A BE145315 A BE 145315A BE 145315 A BE145315 A BE 145315A BE 816209 A BE816209 A BE 816209A
Authority
BE
Belgium
Prior art keywords
caprolactam
epsilon
obtaining
obtaining epsilon
Prior art date
Application number
BE145315A
Other languages
English (en)
French (fr)
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 BE816209A publication Critical patent/BE816209A/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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Polyamides (AREA)
  • Pyrrole Compounds (AREA)
BE145315A 1973-06-12 1974-06-12 Procede d'obtention d'epsilon-caprolactame BE816209A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7308100A NL7308100A (pm) 1973-06-12 1973-06-12

Publications (1)

Publication Number Publication Date
BE816209A true BE816209A (fr) 1974-12-12

Family

ID=19819044

Family Applications (1)

Application Number Title Priority Date Filing Date
BE145315A BE816209A (fr) 1973-06-12 1974-06-12 Procede d'obtention d'epsilon-caprolactame

Country Status (13)

Country Link
US (1) US3944543A (pm)
JP (1) JPS5052079A (pm)
AR (1) AR203484A1 (pm)
BE (1) BE816209A (pm)
CS (1) CS183740B2 (pm)
DE (1) DE2428203A1 (pm)
ES (1) ES427168A1 (pm)
FR (1) FR2233321B1 (pm)
GB (1) GB1409522A (pm)
IN (1) IN140825B (pm)
IT (1) IT1021557B (pm)
NL (1) NL7308100A (pm)
TR (1) TR18304A (pm)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641454A1 (de) * 1976-09-15 1978-03-23 Bayer Ag Verfahren zur reinigung von epsilon-caprolactam
US4767503A (en) * 1983-08-29 1988-08-30 Allied Corporation Removal of light impurities from caprolactam by distillation with water
JP2649736B2 (ja) * 1990-06-22 1997-09-03 宇部興産株式会社 ラクタム含有有機溶液の精製法
BR0212067A (pt) * 2001-08-27 2004-08-03 Dsm Ip Assets Bv Processo para recuperar caprolactam a partir de produto de caprolactam aquoso empregando-se in situ caproato de amino de álcali
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
TW201114740A (en) * 2009-10-30 2011-05-01 China Petrochemical Dev Corp Taipei Taiwan Method of separating amide from amino acid ionic solution
CN115253380B (zh) * 2022-08-19 2023-09-01 清元智能科技研究院(湖北)有限公司 一种己内酰胺萃取系统和方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2221369A (en) * 1940-11-12 Process foe producing lactams
US2758991A (en) * 1956-08-14 Hvvevvtofry
FR1095772A (fr) * 1953-03-19 1955-06-06 Stamicarbon Procédé pour épurer des lactames
NL144600B (nl) * 1964-03-07 1975-01-15 Stamicarbon Afscheiding van lactamen uit een sterk zwavelzuur milieu.
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

Also Published As

Publication number Publication date
DE2428203A1 (de) 1975-01-09
GB1409522A (en) 1975-10-08
CS183740B2 (en) 1978-07-31
TR18304A (tr) 1977-01-07
JPS5052079A (pm) 1975-05-09
IN140825B (pm) 1976-12-25
FR2233321A1 (pm) 1975-01-10
AR203484A1 (es) 1975-09-15
ES427168A1 (es) 1976-07-16
FR2233321B1 (pm) 1978-01-13
US3944543A (en) 1976-03-16
IT1021557B (it) 1978-02-20
NL7308100A (pm) 1974-12-16

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