IN139022B - - Google Patents

Info

Publication number
IN139022B
IN139022B IN1514/CAL/73A IN1514CA1973A IN139022B IN 139022 B IN139022 B IN 139022B IN 1514CA1973 A IN1514CA1973 A IN 1514CA1973A IN 139022 B IN139022 B IN 139022B
Authority
IN
India
Application number
IN1514/CAL/73A
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 IN139022B publication Critical patent/IN139022B/en

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)
  • 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)
  • Epoxy Compounds (AREA)
  • Pyrrole Compounds (AREA)
IN1514/CAL/73A 1972-06-28 1973-06-28 IN139022B (US06623731-20030923-C00012.png)

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
IN139022B true IN139022B (US06623731-20030923-C00012.png) 1976-04-24

Family

ID=11219371

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1514/CAL/73A IN139022B (US06623731-20030923-C00012.png) 1972-06-28 1973-06-28

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
US2737511A (en) * 1956-03-06 Extraction of lactam
US3145198A (en) * 1964-08-18 piija
FR1095772A (fr) * 1953-03-19 1955-06-06 Stamicarbon Procédé pour épurer des lactames

Also Published As

Publication number Publication date
IE37858B1 (en) 1977-10-26
IL42682A (en) 1977-01-31
BE801611A (fr) 1973-12-28
SE408175B (sv) 1979-05-21
FR2190822A1 (US06623731-20030923-C00012.png) 1974-02-01
NL7309030A (US06623731-20030923-C00012.png) 1974-01-02
DE2332982A1 (de) 1974-01-10
US3904609A (en) 1975-09-09
ATA570073A (de) 1975-12-15
FR2190822B1 (US06623731-20030923-C00012.png) 1977-02-18
IE37858L (en) 1973-12-28
BR7304801D0 (pt) 1974-09-05
TR18357A (tr) 1977-01-12
YU173673A (en) 1982-02-28
SU946400A3 (ru) 1982-07-23
CH602631A5 (US06623731-20030923-C00012.png) 1978-07-31
AU5745073A (en) 1975-01-09
GB1430949A (en) 1976-04-07
IT956941B (it) 1973-10-10
ES416416A1 (es) 1976-03-01
JPS4955684A (US06623731-20030923-C00012.png) 1974-05-30
AT331807B (de) 1976-08-25
ZA734341B (en) 1974-05-29
JPS5418272B2 (US06623731-20030923-C00012.png) 1979-07-06
IL42682A0 (en) 1973-10-25
CA1022550A (en) 1977-12-13
AR202797A1 (es) 1975-07-24

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