ZA734341B - Method for the preparation of pure lactam from its primary solutions in an organic solvent - Google Patents

Method for the preparation of pure lactam from its primary solutions in an organic solvent

Info

Publication number
ZA734341B
ZA734341B ZA734341A ZA734341A ZA734341B ZA 734341 B ZA734341 B ZA 734341B ZA 734341 A ZA734341 A ZA 734341A ZA 734341 A ZA734341 A ZA 734341A ZA 734341 B ZA734341 B ZA 734341B
Authority
ZA
South Africa
Prior art keywords
preparation
organic solvent
primary solutions
pure lactam
lactam
Prior art date
Application number
ZA734341A
Other languages
English (en)
Inventor
R Mattone
G Sioli
L Giuffre
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 ZA734341B publication Critical patent/ZA734341B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D201/00Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16Separation 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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pyrrole Compounds (AREA)
  • Epoxy Compounds (AREA)
ZA734341A 1972-06-28 1973-06-26 Method for the preparation of pure lactam from its primary solutions in an organic solvent ZA734341B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT26385/72A IT956941B (it) 1972-06-28 1972-06-28 Procedimento per la preparazione di lattame puro da sue soluzioni primarie in solvente organico

Publications (1)

Publication Number Publication Date
ZA734341B true ZA734341B (en) 1974-05-29

Family

ID=11219371

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA734341A ZA734341B (en) 1972-06-28 1973-06-26 Method for the preparation of pure lactam from its primary solutions in an organic solvent

Country Status (23)

Country Link
US (1) US3904609A (xx)
JP (1) JPS5418272B2 (xx)
AR (1) AR202797A1 (xx)
AT (1) AT331807B (xx)
AU (1) AU5745073A (xx)
BE (1) BE801611A (xx)
BR (1) BR7304801D0 (xx)
CA (1) CA1022550A (xx)
CH (1) CH602631A5 (xx)
DE (1) DE2332982A1 (xx)
ES (1) ES416416A1 (xx)
FR (1) FR2190822B1 (xx)
GB (1) GB1430949A (xx)
IE (1) IE37858B1 (xx)
IL (1) IL42682A (xx)
IN (1) IN139022B (xx)
IT (1) IT956941B (xx)
NL (1) NL7309030A (xx)
SE (1) SE408175B (xx)
SU (1) SU946400A3 (xx)
TR (1) TR18357A (xx)
YU (1) YU173673A (xx)
ZA (1) ZA734341B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013640A (en) * 1974-04-11 1977-03-22 Union Carbide Corporation Process for the recovery of amides
IT1113404B (it) * 1979-02-28 1986-01-20 Snia Viscosa Internazionale brevetti s.r.l.via brentano 2 milano
IT7922250A0 (it) * 1979-04-30 1979-04-30 Milano Snia Viscosa Societa Na Metodo per la purificazione di caprolattame grezzo.
US4328154A (en) * 1980-11-03 1982-05-04 Snia Viscosa Societa' Nazionale Industria Applicazioni Viscosa S.P.A. Process for the purification of raw caprolactam
TWI414508B (zh) 2011-01-17 2013-11-11 China Petrochemical Dev Corp Taipei Taiwan A catalyst composition and a method for preparing an amide using the composition

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3145198A (en) * 1964-08-18 piija
US2737511A (en) * 1956-03-06 Extraction of lactam
FR1095772A (fr) * 1953-03-19 1955-06-06 Stamicarbon Procédé pour épurer des lactames

Also Published As

Publication number Publication date
IL42682A0 (en) 1973-10-25
TR18357A (tr) 1977-01-12
CH602631A5 (xx) 1978-07-31
FR2190822B1 (xx) 1977-02-18
JPS5418272B2 (xx) 1979-07-06
NL7309030A (xx) 1974-01-02
IN139022B (xx) 1976-04-24
ES416416A1 (es) 1976-03-01
BE801611A (fr) 1973-12-28
SE408175B (sv) 1979-05-21
CA1022550A (en) 1977-12-13
IE37858L (en) 1973-12-28
AT331807B (de) 1976-08-25
IL42682A (en) 1977-01-31
IT956941B (it) 1973-10-10
AU5745073A (en) 1975-01-09
AR202797A1 (es) 1975-07-24
JPS4955684A (xx) 1974-05-30
DE2332982A1 (de) 1974-01-10
BR7304801D0 (pt) 1974-09-05
IE37858B1 (en) 1977-10-26
US3904609A (en) 1975-09-09
ATA570073A (de) 1975-12-15
SU946400A3 (ru) 1982-07-23
GB1430949A (en) 1976-04-07
FR2190822A1 (xx) 1974-02-01
YU173673A (en) 1982-02-28

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