DK103021C - Method for purifying ɛ-caprolactam. - Google Patents

Method for purifying ɛ-caprolactam.

Info

Publication number
DK103021C
DK103021C DK471262AA DK471262A DK103021C DK 103021 C DK103021 C DK 103021C DK 471262A A DK471262A A DK 471262AA DK 471262 A DK471262 A DK 471262A DK 103021 C DK103021 C DK 103021C
Authority
DK
Denmark
Prior art keywords
caprolactam
purifying
Prior art date
Application number
DK471262AA
Other languages
Danish (da)
Original Assignee
Inventa 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 Inventa Ag filed Critical Inventa Ag
Application granted granted Critical
Publication of DK103021C publication Critical patent/DK103021C/en

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
    • C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Polyamides (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK471262AA 1961-11-30 1962-11-01 Method for purifying ɛ-caprolactam. DK103021C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1394861A CH393332A (en) 1961-11-30 1961-11-30 Process for purifying e-caprolactam

Publications (1)

Publication Number Publication Date
DK103021C true DK103021C (en) 1965-11-08

Family

ID=4396688

Family Applications (1)

Application Number Title Priority Date Filing Date
DK471262AA DK103021C (en) 1961-11-30 1962-11-01 Method for purifying ɛ-caprolactam.

Country Status (4)

Country Link
CH (1) CH393332A (en)
DK (1) DK103021C (en)
ES (1) ES282923A1 (en)
GB (1) GB990124A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2781796B1 (en) * 1998-07-28 2000-09-22 Rhone Poulenc Fibres LACTAM DEHYDRATION PROCESS

Also Published As

Publication number Publication date
CH393332A (en) 1965-06-15
GB990124A (en) 1965-04-28
ES282923A1 (en) 1963-05-01

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