IT956941B - Procedimento per la preparazione di lattame puro da sue soluzioni primarie in solvente organico - Google Patents

Procedimento per la preparazione di lattame puro da sue soluzioni primarie in solvente organico

Info

Publication number
IT956941B
IT956941B IT26385/72A IT2638572A IT956941B IT 956941 B IT956941 B IT 956941B IT 26385/72 A IT26385/72 A IT 26385/72A IT 2638572 A IT2638572 A IT 2638572A IT 956941 B IT956941 B IT 956941B
Authority
IT
Italy
Prior art keywords
procedure
preparation
organic solvent
primary solutions
pure lactam
Prior art date
Application number
IT26385/72A
Other languages
English (en)
Italian (it)
Inventor
G Sioli
L Giuffre
R Mattone
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
Priority to IT26385/72A priority Critical patent/IT956941B/it
Priority to ZA734341A priority patent/ZA734341B/xx
Priority to YU01736/73A priority patent/YU173673A/xx
Priority to CH940673A priority patent/CH602631A5/xx
Priority to SU731937627A priority patent/SU946400A3/ru
Priority to SE7309058A priority patent/SE408175B/xx
Priority to GB3046873A priority patent/GB1430949A/en
Priority to IE1075/73A priority patent/IE37858B1/xx
Priority to JP7235573A priority patent/JPS5418272B2/ja
Priority to TR18357A priority patent/TR18357A/xx
Priority to AU57450/73A priority patent/AU5745073A/en
Priority to AT570073A priority patent/AT331807B/de
Priority to DE2332982A priority patent/DE2332982A1/de
Priority to AR248802A priority patent/AR202797A1/es
Priority to NL7309030A priority patent/NL7309030A/xx
Priority to BR4801/73A priority patent/BR7304801D0/pt
Priority to ES416416A priority patent/ES416416A1/es
Priority to BE132859A priority patent/BE801611A/xx
Priority to CA175,123A priority patent/CA1022550A/en
Priority to FR7323689A priority patent/FR2190822B1/fr
Priority to IN1514/CAL/73A priority patent/IN139022B/en
Priority to IL42682A priority patent/IL42682A/en
Priority to US380332A priority patent/US3904609A/en
Application granted granted Critical
Publication of IT956941B publication Critical patent/IT956941B/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)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pyrrole Compounds (AREA)
  • Epoxy Compounds (AREA)
IT26385/72A 1972-06-28 1972-06-28 Procedimento per la preparazione di lattame puro da sue soluzioni primarie in solvente organico IT956941B (it)

Priority Applications (23)

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
ZA734341A ZA734341B (en) 1972-06-28 1973-06-26 Method for the preparation of pure lactam from its primary solutions in an organic solvent
CH940673A CH602631A5 (US06623731-20030923-C00012.png) 1972-06-28 1973-06-27
SU731937627A SU946400A3 (ru) 1972-06-28 1973-06-27 Способ выделени @ -капролактама
SE7309058A SE408175B (sv) 1972-06-28 1973-06-27 Sett att framstella rent kaprolaktam fran en sur losning derav
GB3046873A GB1430949A (en) 1972-06-28 1973-06-27 Method of removing a lactam from solutions in an organic solvent
IE1075/73A IE37858B1 (en) 1972-06-28 1973-06-27 Method of removing a lactam from solution in an organic solvent
YU01736/73A YU173673A (en) 1972-06-28 1973-06-27 Process for obtaining pure lactam from primary solutions in an organic solvent
BE132859A BE801611A (fr) 1972-06-28 1973-06-28 Procede pour la preparation de lactame pur a partir de ses solutions primaires dans un solvant organique
AU57450/73A AU5745073A (en) 1972-06-28 1973-06-28 Preparation of pure lactam
JP7235573A JPS5418272B2 (US06623731-20030923-C00012.png) 1972-06-28 1973-06-28
DE2332982A DE2332982A1 (de) 1972-06-28 1973-06-28 Verfahren zur herstellung von reinem lactam aus dessen primaeren loesungen in organischen loesungsmitteln
AR248802A AR202797A1 (es) 1972-06-28 1973-06-28 Procedimiento para la preparacion de lactama pura, en particular omega-lactama, por extraccion de la misma de soluciones primarias en un disolvente organico
NL7309030A NL7309030A (US06623731-20030923-C00012.png) 1972-06-28 1973-06-28
BR4801/73A BR7304801D0 (pt) 1972-06-28 1973-06-28 Processo para obtencao de lactama pura, em particular omega-lactama, a partir de solucoes primarias em um solvente organico
ES416416A ES416416A1 (es) 1972-06-28 1973-06-28 Procedimiento para la preparacion de lactama pura.
TR18357A TR18357A (tr) 1972-06-28 1973-06-28 Oranikbir solvandaki primer solusyonlarindan saf laktamlarin elde edilmesine mahsus usul
CA175,123A CA1022550A (en) 1972-06-28 1973-06-28 Method for the preparation of pure lactam from its primary solutions in an organic solvent
FR7323689A FR2190822B1 (US06623731-20030923-C00012.png) 1972-06-28 1973-06-28
IN1514/CAL/73A IN139022B (US06623731-20030923-C00012.png) 1972-06-28 1973-06-28
AT570073A AT331807B (de) 1972-06-28 1973-06-28 Verfahren zum herstellen von reinen lactamen
IL42682A IL42682A (en) 1972-06-28 1973-07-08 Method for the preparation of pure lactam from its primary solutions in an organic solvent
US380332A US3904609A (en) 1972-06-28 1973-07-18 Method for the preparation of pure lactam from its primary solutions in an organic solvent

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
IT956941B true IT956941B (it) 1973-10-10

Family

ID=11219371

Family Applications (1)

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

Country Status (23)

Country Link
US (1) US3904609A (US06623731-20030923-C00012.png)
JP (1) JPS5418272B2 (US06623731-20030923-C00012.png)
AR (1) AR202797A1 (US06623731-20030923-C00012.png)
AT (1) AT331807B (US06623731-20030923-C00012.png)
AU (1) AU5745073A (US06623731-20030923-C00012.png)
BE (1) BE801611A (US06623731-20030923-C00012.png)
BR (1) BR7304801D0 (US06623731-20030923-C00012.png)
CA (1) CA1022550A (US06623731-20030923-C00012.png)
CH (1) CH602631A5 (US06623731-20030923-C00012.png)
DE (1) DE2332982A1 (US06623731-20030923-C00012.png)
ES (1) ES416416A1 (US06623731-20030923-C00012.png)
FR (1) FR2190822B1 (US06623731-20030923-C00012.png)
GB (1) GB1430949A (US06623731-20030923-C00012.png)
IE (1) IE37858B1 (US06623731-20030923-C00012.png)
IL (1) IL42682A (US06623731-20030923-C00012.png)
IN (1) IN139022B (US06623731-20030923-C00012.png)
IT (1) IT956941B (US06623731-20030923-C00012.png)
NL (1) NL7309030A (US06623731-20030923-C00012.png)
SE (1) SE408175B (US06623731-20030923-C00012.png)
SU (1) SU946400A3 (US06623731-20030923-C00012.png)
TR (1) TR18357A (US06623731-20030923-C00012.png)
YU (1) YU173673A (US06623731-20030923-C00012.png)
ZA (1) ZA734341B (US06623731-20030923-C00012.png)

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
ZA734341B (en) 1974-05-29
DE2332982A1 (de) 1974-01-10
FR2190822B1 (US06623731-20030923-C00012.png) 1977-02-18
AR202797A1 (es) 1975-07-24
FR2190822A1 (US06623731-20030923-C00012.png) 1974-02-01
IL42682A (en) 1977-01-31
SE408175B (sv) 1979-05-21
CA1022550A (en) 1977-12-13
BR7304801D0 (pt) 1974-09-05
JPS5418272B2 (US06623731-20030923-C00012.png) 1979-07-06
IL42682A0 (en) 1973-10-25
US3904609A (en) 1975-09-09
AU5745073A (en) 1975-01-09
YU173673A (en) 1982-02-28
AT331807B (de) 1976-08-25
ES416416A1 (es) 1976-03-01
GB1430949A (en) 1976-04-07
ATA570073A (de) 1975-12-15
NL7309030A (US06623731-20030923-C00012.png) 1974-01-02
CH602631A5 (US06623731-20030923-C00012.png) 1978-07-31
JPS4955684A (US06623731-20030923-C00012.png) 1974-05-30
TR18357A (tr) 1977-01-12
SU946400A3 (ru) 1982-07-23
IE37858B1 (en) 1977-10-26
IE37858L (en) 1973-12-28
IN139022B (US06623731-20030923-C00012.png) 1976-04-24
BE801611A (fr) 1973-12-28

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