BR8002641A - Processo para a purificacao de caprolactama bruta e caprolactama purificada - Google Patents

Processo para a purificacao de caprolactama bruta e caprolactama purificada

Info

Publication number
BR8002641A
BR8002641A BR8002641A BR8002641A BR8002641A BR 8002641 A BR8002641 A BR 8002641A BR 8002641 A BR8002641 A BR 8002641A BR 8002641 A BR8002641 A BR 8002641A BR 8002641 A BR8002641 A BR 8002641A
Authority
BR
Brazil
Prior art keywords
caprolactam
purification
raw
purified
purified caprolactam
Prior art date
Application number
BR8002641A
Other languages
English (en)
Inventor
D Astarita
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11195124&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8002641(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Snia Viscosa filed Critical Snia Viscosa
Publication of BR8002641A publication Critical patent/BR8002641A/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)
  • Pyrrole Compounds (AREA)
BR8002641A 1979-05-04 1980-04-29 Processo para a purificacao de caprolactama bruta e caprolactama purificada BR8002641A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22355/79A IT1112840B (it) 1979-05-04 1979-05-04 Metodo per la purificazione del caprolattame grezzo contenente ammidi e daltri sottoprodotti

Publications (1)

Publication Number Publication Date
BR8002641A true BR8002641A (pt) 1980-12-09

Family

ID=11195124

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8002641A BR8002641A (pt) 1979-05-04 1980-04-29 Processo para a purificacao de caprolactama bruta e caprolactama purificada

Country Status (14)

Country Link
US (1) US4293494A (pt)
JP (1) JPS55149249A (pt)
AU (1) AU538254B2 (pt)
BE (1) BE883110A (pt)
BR (1) BR8002641A (pt)
CA (1) CA1132546A (pt)
DE (1) DE3016335A1 (pt)
ES (1) ES8104234A1 (pt)
FR (1) FR2455584A1 (pt)
GB (1) GB2050354A (pt)
IN (1) IN153035B (pt)
IT (1) IT1112840B (pt)
MX (1) MX153697A (pt)
NL (1) NL8002554A (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10124579A1 (de) * 2001-05-21 2002-12-05 Bayer Ag Verfahren und Vorrichtung zur Extraktion von Polyamid
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
CN107556240B (zh) * 2016-08-24 2020-10-30 沧州旭阳化工有限公司 一种己内酰胺精制方法及精制己内酰胺的系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758991A (en) * 1956-08-14 Hvvevvtofry
FR1053885A (fr) * 1950-07-26 1954-02-05 Inventa Ag Procédé de préparation en continu de lactames purs par extraction
US3359260A (en) * 1964-12-30 1967-12-19 Union Carbide Corp Purification of epsilon-caprolactams
DE1670861A1 (de) * 1967-04-27 1971-03-11 Bayer Ag Verfahren zur Reinigung von Lactamen
NL7700234A (nl) * 1977-01-12 1978-07-14 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit epsilon-caprolactam- bevattend destil- latieresidu.

Also Published As

Publication number Publication date
FR2455584A1 (fr) 1980-11-28
JPS55149249A (en) 1980-11-20
DE3016335A1 (de) 1980-11-13
IT1112840B (it) 1986-01-20
CA1132546A (en) 1982-09-28
ES491101A0 (es) 1981-04-01
AU538254B2 (en) 1984-08-02
IN153035B (pt) 1984-05-19
MX153697A (es) 1986-12-19
BE883110A (fr) 1980-11-05
GB2050354A (en) 1981-01-07
ES8104234A1 (es) 1981-04-01
NL8002554A (nl) 1980-11-06
US4293494A (en) 1981-10-06
AU5803780A (en) 1980-11-06
IT7922355A0 (it) 1979-05-04

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