FR2392010A1 - Purification de la caprolactame - Google Patents

Purification de la caprolactame

Info

Publication number
FR2392010A1
FR2392010A1 FR7815780A FR7815780A FR2392010A1 FR 2392010 A1 FR2392010 A1 FR 2392010A1 FR 7815780 A FR7815780 A FR 7815780A FR 7815780 A FR7815780 A FR 7815780A FR 2392010 A1 FR2392010 A1 FR 2392010A1
Authority
FR
France
Prior art keywords
caprolactam
phase
toluene
water
cyclohexanone oxime
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.)
Withdrawn
Application number
FR7815780A
Other languages
English (en)
French (fr)
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Publication of FR2392010A1 publication Critical patent/FR2392010A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
FR7815780A 1977-05-28 1978-05-26 Purification de la caprolactame Withdrawn FR2392010A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19772724361 DE2724361A1 (de) 1977-05-28 1977-05-28 Reinigung von caprolactam

Publications (1)

Publication Number Publication Date
FR2392010A1 true FR2392010A1 (fr) 1978-12-22

Family

ID=6010216

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7815780A Withdrawn FR2392010A1 (fr) 1977-05-28 1978-05-26 Purification de la caprolactame

Country Status (7)

Country Link
JP (1) JPS53147085A (it)
BE (1) BE867528A (it)
DE (1) DE2724361A1 (it)
ES (1) ES470183A1 (it)
FR (1) FR2392010A1 (it)
IT (1) IT7849565A0 (it)
NL (1) NL7805812A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152843A2 (en) * 1984-02-08 1985-08-28 SNIA BPD S.p.A. A method of purifying caprolactam

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7612486A (nl) * 1975-11-13 1977-05-17 Bayer Ag Werkwijze voor het zuiveren van caprolactam.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7612486A (nl) * 1975-11-13 1977-05-17 Bayer Ag Werkwijze voor het zuiveren van caprolactam.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152843A2 (en) * 1984-02-08 1985-08-28 SNIA BPD S.p.A. A method of purifying caprolactam
EP0152843A3 (en) * 1984-02-08 1987-05-27 SNIA BPD S.p.A. A method of purifying caprolactam

Also Published As

Publication number Publication date
ES470183A1 (es) 1979-01-01
NL7805812A (nl) 1978-11-30
BE867528A (fr) 1978-11-27
DE2724361A1 (de) 1978-11-30
JPS53147085A (en) 1978-12-21
IT7849565A0 (it) 1978-05-26

Similar Documents

Publication Publication Date Title
FR2392010A1 (fr) Purification de la caprolactame
GB1430006A (en) Method of extracting lactams from acidic reaction mixtures
Cope et al. Cyclic Polyolefins. XL. cis-cis-and cis-trans-1, 3-Cycloöctadiene from Cycloöcten-3-yldimethylamine1
SU719497A3 (ru) Способ рекуперации перекиси водорода
IE36552B1 (en) Process for purifying lactams
GB1430221A (en) Process for recovering resorcinol and hydroquinone in mixture
ATE126191T1 (de) Verfahren zur herstellung p,p'-biphenol.
GB1530357A (en) Purification of caprolactam
Cook et al. The thermal decomposition of two bis-(tri-alkylcyclohexadienone) peroxides
ES375942A1 (es) Procedimiento de deshidratacion del acido maleico en anhi- drido maleico.
GB1495481A (en) Process for the obtaining of isobutylene of high purity
GB1436113A (en) Purification of phosphoric acid
GB1030727A (en) Process for the continuous manufacture, purification and isolation of lactic acid
GB1519913A (en) Purification of naphthalene
GB1209272A (en) Cleaning of phosphoric acid
GB1412041A (en) Preparing hydroquinone
SU138030A1 (ru) Способ получени поликарбонатов
US3839457A (en) Process for the preparation of 2-hexenal
US3583980A (en) Process for the production of lactams
JPS51117196A (en) Method for regeneration of the waste solution of the caustic soda cont aining aluminum
ES422849A1 (es) Procedimiento para la deshidratacion parcial de ciclohexa- nonoxima.
GB1262995A (en) Purification of phenol
KR810000491B1 (ko) ε-카프로락탐 정제법
GB1150418A (en) Purifying Laurolactam
SU341784A1 (ru) Способ выделени ароматических углеводородов

Legal Events

Date Code Title Description
RE Withdrawal of published application