BE792559A - Procede pour la separation de lactames - Google Patents

Procede pour la separation de lactames

Info

Publication number
BE792559A
BE792559A BE792559DA BE792559A BE 792559 A BE792559 A BE 792559A BE 792559D A BE792559D A BE 792559DA BE 792559 A BE792559 A BE 792559A
Authority
BE
Belgium
Prior art keywords
lactames
separation
Prior art date
Application number
Other languages
English (en)
French (fr)
Original Assignee
Stamicarbon
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.)
Publication date
Publication of BE792559A publication Critical patent/BE792559A/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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
BE792559D 1971-12-11 Procede pour la separation de lactames BE792559A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7117035,A NL170630C (nl) 1971-12-11 1971-12-11 Werkwijze voor de afscheiding van lactam.

Publications (1)

Publication Number Publication Date
BE792559A true BE792559A (fr) 1973-06-12

Family

ID=19814675

Family Applications (1)

Application Number Title Priority Date Filing Date
BE792559D BE792559A (fr) 1971-12-11 Procede pour la separation de lactames

Country Status (12)

Country Link
US (1) US3879380A (cs)
JP (1) JPS5437156B2 (cs)
BE (1) BE792559A (cs)
BR (1) BR7208691D0 (cs)
CH (1) CH575390A5 (cs)
DE (1) DE2260014A1 (cs)
ES (1) ES409481A1 (cs)
FR (1) FR2162670B1 (cs)
GB (1) GB1397289A (cs)
IN (1) IN139192B (cs)
IT (1) IT973978B (cs)
NL (1) NL170630C (cs)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7607047A (nl) * 1976-06-28 1977-12-30 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactam-zwavelzuur- -reactiemengsel.
NL7700882A (nl) * 1977-01-28 1978-08-01 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel.
WO2013053377A1 (en) * 2011-10-10 2013-04-18 Dsm Ip Assets B.V. High temperature lactam neutralisation
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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2249177A (en) * 1941-07-15 Rearrangement reaction of oxevies
US2351381A (en) * 1944-06-13 Process for the conversion of
US2737511A (en) * 1956-03-06 Extraction of lactam
US2993889A (en) * 1961-07-25 Separation of a lactam from an acid
US2723266A (en) * 1952-05-15 1955-11-08 British Celanese Process for producing amides and lactams
NL144600B (nl) * 1964-03-07 1975-01-15 Stamicarbon Afscheiding van lactamen uit een sterk zwavelzuur milieu.
JPS5220997A (en) * 1975-08-12 1977-02-17 Nippon Peroxide Co Ltd Coloring method of sodium percarbonate

Also Published As

Publication number Publication date
IT973978B (it) 1974-06-10
NL170630C (nl) 1982-12-01
NL170630B (nl) 1982-07-01
DE2260014A1 (de) 1973-06-14
FR2162670B1 (cs) 1976-08-20
JPS5437156B2 (cs) 1979-11-13
ES409481A1 (es) 1975-11-16
FR2162670A1 (cs) 1973-07-20
IN139192B (cs) 1976-05-22
JPS4864089A (cs) 1973-09-05
BR7208691D0 (pt) 1973-09-25
NL7117035A (cs) 1973-06-13
GB1397289A (en) 1975-06-11
CH575390A5 (cs) 1976-05-14
US3879380A (en) 1975-04-22

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