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BR8002640A - Processo para a purificacao de caprolactama bruta e caprolactam purificada - Google Patents

Processo para a purificacao de caprolactama bruta e caprolactam purificada

Info

Publication number
BR8002640A
BR8002640A BR8002640A BR8002640A BR8002640A BR 8002640 A BR8002640 A BR 8002640A BR 8002640 A BR8002640 A BR 8002640A BR 8002640 A BR8002640 A BR 8002640A BR 8002640 A BR8002640 A BR 8002640A
Authority
BR
Brazil
Prior art keywords
caprolactam
purification
purified
crude
crude caprolactam
Prior art date
Application number
BR8002640A
Other languages
English (en)
Inventor
N Toderi
P Senni
Original Assignee
Snia Viscosa
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 Snia Viscosa filed Critical Snia Viscosa
Publication of BR8002640A publication Critical patent/BR8002640A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8002640A 1979-04-30 1980-04-29 Processo para a purificacao de caprolactama bruta e caprolactam purificada BR8002640A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT7922250A IT7922250A0 (it) 1979-04-30 1979-04-30 Metodo per la purificazione di caprolattame grezzo.

Publications (1)

Publication Number Publication Date
BR8002640A true BR8002640A (pt) 1980-12-09

Family

ID=11193663

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8002640A BR8002640A (pt) 1979-04-30 1980-04-29 Processo para a purificacao de caprolactama bruta e caprolactam purificada

Country Status (9)

Country Link
US (1) US4314940A (pt)
JP (1) JPS55149248A (pt)
BE (1) BE883070A (pt)
BR (1) BR8002640A (pt)
DE (1) DE3016336A1 (pt)
FR (1) FR2455583A1 (pt)
GB (1) GB2047705A (pt)
IT (1) IT7922250A0 (pt)
NL (1) NL8002498A (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416870A (en) * 1993-12-03 1995-05-16 Motorola, Inc. Optoelectronic interface device and method with reflective surface
WO1998017642A1 (en) * 1996-10-21 1998-04-30 Dsm N.V. Process to separate epsilon-caprolactam from 6-aminocaproamide and 6-aminocaproamide oligomers
US5990306A (en) * 1997-09-03 1999-11-23 Alliedsignal Inc. Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR896883A (fr) * 1942-08-18 1945-03-06 Ig Farbenindustrie Ag Procédé de récupération de lactames à partir de solutions aqueuses diluées
DE1926932A1 (de) * 1968-07-19 1970-01-22 Leuna Werke Veb Verfahren zur Reinigung von Lactamen
DE1930218A1 (de) * 1969-06-13 1970-12-23 Bayer Ag Verfahren zur Reinigung von epsilon-Caprolactam
IT956941B (it) * 1972-06-28 1973-10-10 Snia Viscosa Procedimento per la preparazione di lattame puro da sue soluzioni primarie in solvente organico
US4013640A (en) * 1974-04-11 1977-03-22 Union Carbide Corporation Process for the recovery of amides

Also Published As

Publication number Publication date
FR2455583A1 (fr) 1980-11-28
NL8002498A (nl) 1980-11-03
IT7922250A0 (it) 1979-04-30
GB2047705A (en) 1980-12-03
BE883070A (fr) 1980-10-30
US4314940A (en) 1982-02-09
DE3016336A1 (de) 1980-11-13
JPS55149248A (en) 1980-11-20

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