IT7922355A0 - Metodo per la purificazione del caprolattame grezzo contenente ammidi ed altri sottoprodotti. - Google Patents

Metodo per la purificazione del caprolattame grezzo contenente ammidi ed altri sottoprodotti.

Info

Publication number
IT7922355A0
IT7922355A0 IT7922355A IT2235579A IT7922355A0 IT 7922355 A0 IT7922355 A0 IT 7922355A0 IT 7922355 A IT7922355 A IT 7922355A IT 2235579 A IT2235579 A IT 2235579A IT 7922355 A0 IT7922355 A0 IT 7922355A0
Authority
IT
Italy
Prior art keywords
purification
products
containing amides
caprolactam containing
raw caprolactam
Prior art date
Application number
IT7922355A
Other languages
English (en)
Other versions
IT1112840B (it
Inventor
Senni Paolo
Astarita Domenico
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=IT7922355(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of IT7922355A0 publication Critical patent/IT7922355A0/it
Priority to IT22355/79A priority Critical patent/IT1112840B/it
Application filed by Snia Viscosa filed Critical Snia Viscosa
Priority to GB8013028A priority patent/GB2050354A/en
Priority to US06/143,418 priority patent/US4293494A/en
Priority to DE19803016335 priority patent/DE3016335A1/de
Priority to BR8002641A priority patent/BR8002641A/pt
Priority to MX182177A priority patent/MX153697A/es
Priority to NL8002554A priority patent/NL8002554A/nl
Priority to JP5937880A priority patent/JPS55149249A/ja
Priority to ES491101A priority patent/ES491101A0/es
Priority to CA351,180A priority patent/CA1132546A/en
Priority to AU58037/80A priority patent/AU538254B2/en
Priority to IN513/CAL/80A priority patent/IN153035B/en
Priority to FR8009987A priority patent/FR2455584A1/fr
Priority to BE2/466A priority patent/BE883110A/fr
Publication of IT1112840B publication Critical patent/IT1112840B/it
Application granted granted Critical

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

Priority Applications (14)

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
GB8013028A GB2050354A (en) 1979-05-04 1980-04-21 Purification of caprolactam
US06/143,418 US4293494A (en) 1979-05-04 1980-04-24 Method for the purification of raw caprolactam which contains amides and other by-products
DE19803016335 DE3016335A1 (de) 1979-05-04 1980-04-28 Verfahren zur reinigung von rohcaprolactam
BR8002641A BR8002641A (pt) 1979-05-04 1980-04-29 Processo para a purificacao de caprolactama bruta e caprolactama purificada
MX182177A MX153697A (es) 1979-05-04 1980-04-30 Un metodo para la purificacion de caprolactama bruta
NL8002554A NL8002554A (nl) 1979-05-04 1980-05-02 Werkwijze voor het zuiveren van ruw caprolactam.
AU58037/80A AU538254B2 (en) 1979-05-04 1980-05-02 Purification of raw caprolactam
JP5937880A JPS55149249A (en) 1979-05-04 1980-05-02 Purification of crude caprolactam containing amide and other byproducts
ES491101A ES491101A0 (es) 1979-05-04 1980-05-02 Un metodo para la purificacion de caprolactama bruta
CA351,180A CA1132546A (en) 1979-05-04 1980-05-02 Method for the prufication of raw caprolactam which contains amides and other by-products
IN513/CAL/80A IN153035B (it) 1979-05-04 1980-05-03
FR8009987A FR2455584A1 (fr) 1979-05-04 1980-05-05 Procede pour purifier du caprolactame brut contenant des amides et d'autres sous-produits et caprolactame purifie obtenu
BE2/466A BE883110A (fr) 1979-05-04 1980-05-05 Procede pour purifier du caprolactame brut contenant des amides et d'autres sous-produits et caprolactame purifie obtenu

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 (2)

Publication Number Publication Date
IT7922355A0 true IT7922355A0 (it) 1979-05-04
IT1112840B IT1112840B (it) 1986-01-20

Family

ID=11195124

Family Applications (1)

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

Country Status (14)

Country Link
US (1) US4293494A (it)
JP (1) JPS55149249A (it)
AU (1) AU538254B2 (it)
BE (1) BE883110A (it)
BR (1) BR8002641A (it)
CA (1) CA1132546A (it)
DE (1) DE3016335A1 (it)
ES (1) ES491101A0 (it)
FR (1) FR2455584A1 (it)
GB (1) GB2050354A (it)
IN (1) IN153035B (it)
IT (1) IT1112840B (it)
MX (1) MX153697A (it)
NL (1) NL8002554A (it)

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
ES8104234A1 (es) 1981-04-01
CA1132546A (en) 1982-09-28
AU5803780A (en) 1980-11-06
FR2455584A1 (fr) 1980-11-28
US4293494A (en) 1981-10-06
MX153697A (es) 1986-12-19
NL8002554A (nl) 1980-11-06
AU538254B2 (en) 1984-08-02
GB2050354A (en) 1981-01-07
BE883110A (fr) 1980-11-05
DE3016335A1 (de) 1980-11-13
IN153035B (it) 1984-05-19
IT1112840B (it) 1986-01-20
BR8002641A (pt) 1980-12-09
ES491101A0 (es) 1981-04-01
JPS55149249A (en) 1980-11-20

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Legal Events

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TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970528