BE790692A - Procede d'obtention de lactames purs - Google Patents

Procede d'obtention de lactames purs

Info

Publication number
BE790692A
BE790692A BE790692DA BE790692A BE 790692 A BE790692 A BE 790692A BE 790692D A BE790692D A BE 790692DA BE 790692 A BE790692 A BE 790692A
Authority
BE
Belgium
Prior art keywords
obtaining pure
pure milk
milk
obtaining
pure
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
Priority claimed from NLAANVRAGE7114904,A external-priority patent/NL171893C/xx
Priority claimed from NL7211586A external-priority patent/NL7211586A/xx
Publication of BE790692A publication Critical patent/BE790692A/xx

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
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Polyamides (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
BE790692D 1971-10-29 Procede d'obtention de lactames purs BE790692A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7114904,A NL171893C (nl) 1971-10-29 1971-10-29 Werkwijze voor de winning van zuiver epsilon-aminocaprolactam.
NL7211586A NL7211586A (en) 1972-08-25 1972-08-25 High-purity epsilon-caprolactam prodn - by intramolecular rearrangement of cyclohexanone oxime with acid catalyst followed by

Publications (1)

Publication Number Publication Date
BE790692A true BE790692A (fr) 1973-04-27

Family

ID=26644695

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790692D BE790692A (fr) 1971-10-29 Procede d'obtention de lactames purs

Country Status (13)

Country Link
US (1) US3850910A (cs)
JP (1) JPS5335079B2 (cs)
AR (1) AR193140A1 (cs)
BE (1) BE790692A (cs)
CH (1) CH574414A5 (cs)
CS (1) CS183671B2 (cs)
DD (1) DD101668A5 (cs)
DE (1) DE2252891A1 (cs)
FR (1) FR2158051B1 (cs)
GB (1) GB1399000A (cs)
IT (1) IT966829B (cs)
PL (1) PL82397B1 (cs)
RO (1) RO64765A (cs)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7505130A (nl) * 1975-05-01 1976-11-03 Stamicarbon Werkwijze voor de winning van zuiver epsilon- -caprolactam uit een waterige oplossing hiervan.
NL7601061A (nl) * 1976-02-03 1977-08-05 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel.
NL7700882A (nl) * 1977-01-28 1978-08-01 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel.
IT1173261B (it) * 1984-02-08 1987-06-18 Snia Bpd Spa Procedimento di purificazione del caprolattame
JP2782919B2 (ja) * 1990-06-12 1998-08-06 宇部興産株式会社 ラクタム含有有機溶液の精製方法
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
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
BE1011047A3 (nl) * 1997-03-17 1999-04-06 Dsm Nv Werkwijze voor het zuiveren van caprolactam.
US7022844B2 (en) * 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1261891A (fr) * 1959-10-09 1961-05-26 Stamicarbon Procédé pour séparer un lactame d'un mélange réactionnel acide

Also Published As

Publication number Publication date
CS183671B2 (en) 1978-07-31
CH574414A5 (cs) 1976-04-15
FR2158051A1 (cs) 1973-06-08
GB1399000A (en) 1975-06-25
DD101668A5 (cs) 1973-11-12
JPS4852785A (cs) 1973-07-24
DE2252891A1 (de) 1973-05-03
RO64765A (ro) 1980-01-15
US3850910A (en) 1974-11-26
FR2158051B1 (cs) 1976-05-21
PL82397B1 (en) 1975-10-31
AR193140A1 (es) 1973-03-30
IT966829B (it) 1974-02-20
JPS5335079B2 (cs) 1978-09-25

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: STAMICARBON N.V.

Effective date: 19841027