BE858713A - PURIFICATION OF EPSILON-CAPROLACTAM - Google Patents

PURIFICATION OF EPSILON-CAPROLACTAM

Info

Publication number
BE858713A
BE858713A BE180918A BE180918A BE858713A BE 858713 A BE858713 A BE 858713A BE 180918 A BE180918 A BE 180918A BE 180918 A BE180918 A BE 180918A BE 858713 A BE858713 A BE 858713A
Authority
BE
Belgium
Prior art keywords
caprolactam
epsilon
purification
Prior art date
Application number
BE180918A
Other languages
French (fr)
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 BE858713A publication Critical patent/BE858713A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Pyrrole Compounds (AREA)
  • Polyamides (AREA)
BE180918A 1976-09-15 1977-09-15 PURIFICATION OF EPSILON-CAPROLACTAM BE858713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762641478 DE2641478A1 (en) 1976-09-15 1976-09-15 CLEANING CAPROLACTAM

Publications (1)

Publication Number Publication Date
BE858713A true BE858713A (en) 1978-03-15

Family

ID=5987958

Family Applications (1)

Application Number Title Priority Date Filing Date
BE180918A BE858713A (en) 1976-09-15 1977-09-15 PURIFICATION OF EPSILON-CAPROLACTAM

Country Status (9)

Country Link
JP (1) JPS5337687A (en)
BE (1) BE858713A (en)
BR (1) BR7706142A (en)
DD (1) DD132128A5 (en)
DE (1) DE2641478A1 (en)
ES (1) ES462353A1 (en)
FR (1) FR2364905A1 (en)
GB (1) GB1529559A (en)
NL (1) NL7710151A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2845075A1 (en) * 1978-10-17 1980-05-08 Basf Ag METHOD FOR PURIFYING ROHCAPROLACTAM
TW215084B (en) * 1992-04-17 1993-10-21 Sumitomo Chemical Co Process for producing a high purity caprolactam

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1397132A (en) * 1963-05-22 1965-04-30 Halcon International Inc Chemical process for the purification of lactams
FR1445047A (en) * 1964-08-18 1966-07-08 Zimmer Verfahrenstechnik Process for the purification of caprolactam by oxidation

Also Published As

Publication number Publication date
FR2364905B1 (en) 1981-11-27
DD132128A5 (en) 1978-08-30
FR2364905A1 (en) 1978-04-14
NL7710151A (en) 1978-03-17
BR7706142A (en) 1978-07-04
JPS5337687A (en) 1978-04-06
DE2641478A1 (en) 1978-03-23
GB1529559A (en) 1978-10-25
ES462353A1 (en) 1978-06-16

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BAYER A.G.

Effective date: 19840915