AU4151700A - Process for the preparation of caprolactam - Google Patents

Process for the preparation of caprolactam

Info

Publication number
AU4151700A
AU4151700A AU41517/00A AU4151700A AU4151700A AU 4151700 A AU4151700 A AU 4151700A AU 41517/00 A AU41517/00 A AU 41517/00A AU 4151700 A AU4151700 A AU 4151700A AU 4151700 A AU4151700 A AU 4151700A
Authority
AU
Australia
Prior art keywords
caprolactam
preparation
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.)
Abandoned
Application number
AU41517/00A
Inventor
Maria Louisa Christina Dsinter-De Hondt
Rita Dimphina Joosten
Johannes Albertus Wilhelmus Lemmens
Wouter Van Den Berg
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.)
Koninklijke DSM NV
Original Assignee
DSM NV
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 DSM NV filed Critical DSM NV
Publication of AU4151700A publication Critical patent/AU4151700A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
    • C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D223/08—Oxygen atoms
    • C07D223/10—Oxygen atoms attached in position 2
AU41517/00A 1999-04-29 2000-04-14 Process for the preparation of caprolactam Abandoned AU4151700A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1011936A NL1011936C2 (en) 1999-04-29 1999-04-29 Process for preparing caprolactam.
NL1011936 1999-04-29
PCT/NL2000/000244 WO2000066561A1 (en) 1999-04-29 2000-04-14 Process for the preparation of caprolactam

Publications (1)

Publication Number Publication Date
AU4151700A true AU4151700A (en) 2000-11-17

Family

ID=19769113

Family Applications (1)

Application Number Title Priority Date Filing Date
AU41517/00A Abandoned AU4151700A (en) 1999-04-29 2000-04-14 Process for the preparation of caprolactam

Country Status (4)

Country Link
AU (1) AU4151700A (en)
CO (1) CO5210968A1 (en)
NL (1) NL1011936C2 (en)
WO (1) WO2000066561A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2513050A2 (en) * 2009-12-18 2012-10-24 DSM IP Assets B.V. Caprolactam recovery with membrane treatment
CN103864689B (en) * 2012-12-07 2017-12-22 Cap Iii 有限公司 A kind of method of the condensate liquid obtained in the evaporative crystallization steps of purification of aqueous ammonium sulfate phase
CN103896840B (en) * 2012-12-28 2018-06-05 Cap Iii 有限公司 The method and apparatus of continuous production epsilon-caprolactams
CN103145618B (en) * 2013-03-15 2014-06-18 东明天军化工有限公司 Method for cogeneration of caprolactam and ammonium sulfate
CN104071948B (en) * 2014-06-25 2016-04-27 江苏久吾高科技股份有限公司 A kind of method and device utilizing membrane technique process caprolactam wastewater
CN111333577A (en) * 2020-02-26 2020-06-26 福建永荣科技有限公司 Brand-new caprolactam production system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3264060A (en) * 1966-08-02 Simultaneous recovery of pure ammoni- um sulfate and pure lactams from re- arrangement mixtures of alicyclic ketoximes
JPS523261A (en) * 1975-06-24 1977-01-11 Sumitomo Chem Co Ltd Purification method for polluted water

Also Published As

Publication number Publication date
CO5210968A1 (en) 2002-10-30
NL1011936C2 (en) 2000-10-31
WO2000066561A1 (en) 2000-11-09

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase