IT1079706B - Procedimento per il recupero di e-caprolattame da un miscuglio di e-caprolattame ed acido solforico e prodotto ottenuto - Google Patents

Procedimento per il recupero di e-caprolattame da un miscuglio di e-caprolattame ed acido solforico e prodotto ottenuto

Info

Publication number
IT1079706B
IT1079706B IT49923/77A IT4992377A IT1079706B IT 1079706 B IT1079706 B IT 1079706B IT 49923/77 A IT49923/77 A IT 49923/77A IT 4992377 A IT4992377 A IT 4992377A IT 1079706 B IT1079706 B IT 1079706B
Authority
IT
Italy
Prior art keywords
caprolattame
recovery
procedure
mixture
sulfuric acid
Prior art date
Application number
IT49923/77A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1079706B publication Critical patent/IT1079706B/it

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Processing Of Solid Wastes (AREA)
  • Physical Water Treatments (AREA)
IT49923/77A 1976-06-28 1977-06-21 Procedimento per il recupero di e-caprolattame da un miscuglio di e-caprolattame ed acido solforico e prodotto ottenuto IT1079706B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7607047A NL7607047A (nl) 1976-06-28 1976-06-28 Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactam-zwavelzuur- -reactiemengsel.

Publications (1)

Publication Number Publication Date
IT1079706B true IT1079706B (it) 1985-05-13

Family

ID=19826462

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49923/77A IT1079706B (it) 1976-06-28 1977-06-21 Procedimento per il recupero di e-caprolattame da un miscuglio di e-caprolattame ed acido solforico e prodotto ottenuto

Country Status (15)

Country Link
US (1) US4140685A (it)
JP (1) JPS6047254B2 (it)
AR (1) AR216766A1 (it)
BE (1) BE856019A (it)
BR (1) BR7704190A (it)
CA (1) CA1085836A (it)
CH (1) CH629784A5 (it)
DE (1) DE2728606A1 (it)
ES (1) ES460035A1 (it)
FR (1) FR2356640A1 (it)
GB (1) GB1522584A (it)
IT (1) IT1079706B (it)
MX (1) MX4280E (it)
NL (1) NL7607047A (it)
SU (1) SU710517A3 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7700882A (nl) * 1977-01-28 1978-08-01 Stamicarbon Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel.
US5900482A (en) * 1995-07-20 1999-05-04 Mitsubishi Chemical Corporation Process for the preparation of ε-caprolactam
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
WO2018181873A1 (ja) 2017-03-31 2018-10-04 千住金属工業株式会社 はんだ合金、ソルダペースト及びはんだ継手

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL282684A (it) * 1961-08-30 1900-01-01
US3852273A (en) * 1971-05-07 1974-12-03 Stamicarbon Process for preparing and recovering lactams
NL164028C (nl) * 1971-05-07 1980-11-17 Stamicarbon Werkwijze voor de afscheiding van lactamen.
DE2130036B2 (de) * 1971-06-18 1977-02-10 Davy Powergas GmbH, 5000 Köln Verfahren zur herstellung von lactamen
DE2130037B2 (de) * 1971-06-18 1977-02-10 Davy Powergas GmbH, 5000Köln Verfahren zur herstellung von lactamen
BE792559A (fr) * 1971-12-11 1973-06-12 Stamicarbon Procede pour la separation de lactames
US3859278A (en) * 1972-12-11 1975-01-07 Stamicarbon Process for separating lactams

Also Published As

Publication number Publication date
GB1522584A (en) 1978-08-23
MX4280E (es) 1982-03-11
BR7704190A (pt) 1978-03-21
US4140685A (en) 1979-02-20
FR2356640B1 (it) 1982-07-16
ES460035A1 (es) 1978-05-01
BE856019A (nl) 1977-12-23
FR2356640A1 (fr) 1978-01-27
JPS6047254B2 (ja) 1985-10-21
AR216766A1 (es) 1980-01-31
CH629784A5 (de) 1982-05-14
NL7607047A (nl) 1977-12-30
SU710517A3 (ru) 1980-01-15
JPS532490A (en) 1978-01-11
DE2728606A1 (de) 1977-12-29
CA1085836A (en) 1980-09-16

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