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BR7208691D0 - Processo para recuperacao de lactamas - Google Patents

Processo para recuperacao de lactamas

Info

Publication number
BR7208691D0
BR7208691D0 BR8691/72A BR869172A BR7208691D0 BR 7208691 D0 BR7208691 D0 BR 7208691D0 BR 8691/72 A BR8691/72 A BR 8691/72A BR 869172 A BR869172 A BR 869172A BR 7208691 D0 BR7208691 D0 BR 7208691D0
Authority
BR
Brazil
Prior art keywords
recovery process
milk recovery
milk
recovery
Prior art date
Application number
BR8691/72A
Other languages
English (en)
Inventor
A Roooij
R Goettsch
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 BR7208691D0 publication Critical patent/BR7208691D0/pt

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)
BR8691/72A 1971-12-11 1972-12-08 Processo para recuperacao de lactamas BR7208691D0 (pt)

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
BR7208691D0 true BR7208691D0 (pt) 1973-09-25

Family

ID=19814675

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8691/72A BR7208691D0 (pt) 1971-12-11 1972-12-08 Processo para recuperacao de lactamas

Country Status (12)

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

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 (en) * 2011-10-10 2013-04-18 Dsm Ip Assets B.V. High temperature lactam neutralisation
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
US2737511A (en) * 1956-03-06 Extraction of lactam
US2993889A (en) * 1961-07-25 Separation of a lactam from an acid
US2249177A (en) * 1941-07-15 Rearrangement reaction of oxevies
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
ES409481A1 (es) 1975-11-16
GB1397289A (en) 1975-06-11
NL7117035A (pt) 1973-06-13
IT973978B (it) 1974-06-10
NL170630B (nl) 1982-07-01
JPS4864089A (pt) 1973-09-05
FR2162670B1 (pt) 1976-08-20
FR2162670A1 (pt) 1973-07-20
DE2260014A1 (de) 1973-06-14
IN139192B (pt) 1976-05-22
US3879380A (en) 1975-04-22
NL170630C (nl) 1982-12-01
BE792559A (fr) 1973-06-12
CH575390A5 (pt) 1976-05-14
JPS5437156B2 (pt) 1979-11-13

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