CH575390A5 - - Google Patents

Info

Publication number
CH575390A5
CH575390A5 CH1790572A CH1790572A CH575390A5 CH 575390 A5 CH575390 A5 CH 575390A5 CH 1790572 A CH1790572 A CH 1790572A CH 1790572 A CH1790572 A CH 1790572A CH 575390 A5 CH575390 A5 CH 575390A5
Authority
CH
Switzerland
Application number
CH1790572A
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.)
Filing date
Publication date
Application filed by Stamicarbon filed Critical Stamicarbon
Publication of CH575390A5 publication Critical patent/CH575390A5/xx

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
    • C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
CH1790572A 1971-12-11 1972-12-08 CH575390A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7117035,A NL170630C (nl) 1971-12-11 1971-12-11 Werkwijze voor de afscheiding van lactam.

Publications (1)

Publication Number Publication Date
CH575390A5 true CH575390A5 (fr) 1976-05-14

Family

ID=19814675

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1790572A CH575390A5 (fr) 1971-12-11 1972-12-08

Country Status (12)

Country Link
US (1) US3879380A (fr)
JP (1) JPS5437156B2 (fr)
BE (1) BE792559A (fr)
BR (1) BR7208691D0 (fr)
CH (1) CH575390A5 (fr)
DE (1) DE2260014A1 (fr)
ES (1) ES409481A1 (fr)
FR (1) FR2162670B1 (fr)
GB (1) GB1397289A (fr)
IN (1) IN139192B (fr)
IT (1) IT973978B (fr)
NL (1) NL170630C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7607047A (nl) * 1976-06-28 1977-12-30 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactam-zwavelzuur- -reactiemengsel.
NL7700882A (nl) * 1977-01-28 1978-08-01 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel.
WO2013053377A1 (fr) * 2011-10-10 2013-04-18 Dsm Ip Assets B.V. Neutralisation d'un lactame à haute température
CN115253380B (zh) * 2022-08-19 2023-09-01 清元智能科技研究院(湖北)有限公司 一种己内酰胺萃取系统和方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2351381A (en) * 1944-06-13 Process for the conversion of
US2993889A (en) * 1961-07-25 Separation of a lactam from an acid
US2249177A (en) * 1941-07-15 Rearrangement reaction of oxevies
US2737511A (en) * 1956-03-06 Extraction of lactam
US2723266A (en) * 1952-05-15 1955-11-08 British Celanese Process for producing amides and lactams
NL144600B (nl) * 1964-03-07 1975-01-15 Stamicarbon Afscheiding van lactamen uit een sterk zwavelzuur milieu.
JPS5220997A (en) * 1975-08-12 1977-02-17 Nippon Peroxide Co Ltd Coloring method of sodium percarbonate

Also Published As

Publication number Publication date
IN139192B (fr) 1976-05-22
DE2260014A1 (de) 1973-06-14
NL7117035A (fr) 1973-06-13
IT973978B (it) 1974-06-10
FR2162670B1 (fr) 1976-08-20
FR2162670A1 (fr) 1973-07-20
JPS4864089A (fr) 1973-09-05
JPS5437156B2 (fr) 1979-11-13
NL170630B (nl) 1982-07-01
ES409481A1 (es) 1975-11-16
BE792559A (fr) 1973-06-12
US3879380A (en) 1975-04-22
NL170630C (nl) 1982-12-01
GB1397289A (en) 1975-06-11
BR7208691D0 (pt) 1973-09-25

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Legal Events

Date Code Title Description
PL Patent ceased