NL8002498A - Werkwijze voor het zuiveren van ruw caprolactam. - Google Patents

Werkwijze voor het zuiveren van ruw caprolactam. Download PDF

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Publication number
NL8002498A
NL8002498A NL8002498A NL8002498A NL8002498A NL 8002498 A NL8002498 A NL 8002498A NL 8002498 A NL8002498 A NL 8002498A NL 8002498 A NL8002498 A NL 8002498A NL 8002498 A NL8002498 A NL 8002498A
Authority
NL
Netherlands
Prior art keywords
caprolactam
compound
phenol
hydroxyl group
process according
Prior art date
Application number
NL8002498A
Other languages
English (en)
Dutch (nl)
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 NL8002498A publication Critical patent/NL8002498A/nl

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)
NL8002498A 1979-04-30 1980-04-29 Werkwijze voor het zuiveren van ruw caprolactam. NL8002498A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT7922250A IT7922250A0 (it) 1979-04-30 1979-04-30 Metodo per la purificazione di caprolattame grezzo.
IT2225079 1979-04-30

Publications (1)

Publication Number Publication Date
NL8002498A true NL8002498A (nl) 1980-11-03

Family

ID=11193663

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8002498A NL8002498A (nl) 1979-04-30 1980-04-29 Werkwijze voor het zuiveren van ruw caprolactam.

Country Status (9)

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

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
EP0958278B1 (de) * 1996-10-21 2004-05-12 DSM IP Assets B.V. Verfahren zum abtrennen von epsilon-caprolactam von 6-aminocapronamid und 6-aminocapronamidoligomeren
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
US4314940A (en) 1982-02-09
DE3016336A1 (de) 1980-11-13
BE883070A (fr) 1980-10-30
GB2047705A (en) 1980-12-03
FR2455583A1 (fr) 1980-11-28
JPS55149248A (en) 1980-11-20
BR8002640A (pt) 1980-12-09
IT7922250A0 (it) 1979-04-30

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