ES416416A1 - Procedimiento para la preparacion de lactama pura. - Google Patents

Procedimiento para la preparacion de lactama pura.

Info

Publication number: ES416416A1
Authority: ES; Spain
Prior art keywords: lactam; preparation; solvent; organic solvent; primary
Prior art date: 1972-06-28
Legal status (The legal status 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 status listed.): Expired

Application number

ES416416A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

SNIA Viscosa SpA

Original Assignee

SNIA Viscosa SpA

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.)

1972-06-28

Filing date

1973-06-28

Publication date

1976-03-01

1973-06-28 Application filed by SNIA Viscosa SpA filed Critical SNIA Viscosa SpA

1976-03-01 Publication of ES416416A1 publication Critical patent/ES416416A1/es

Status Expired legal-status Critical Current

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)
Agricultural Chemicals And Associated Chemicals (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Epoxy Compounds (AREA)
Pyrrole Compounds (AREA)

ES416416A 1972-06-28 1973-06-28 Procedimiento para la preparacion de lactama pura. Expired ES416416A1 (es)

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
ES416416A1 true ES416416A1 (es)	1976-03-01

Family

ID=11219371

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES416416A Expired ES416416A1 (es)	1972-06-28	1973-06-28	Procedimiento para la preparacion de lactama pura.

Country Status (23)

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

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

1972
- 1972-06-28 IT IT26385/72A patent/IT956941B/it active
1973
- 1973-06-26 ZA ZA734341A patent/ZA734341B/xx unknown
- 1973-06-27 CH CH940673A patent/CH602631A5/xx not_active IP Right Cessation
- 1973-06-27 SE SE7309058A patent/SE408175B/xx unknown
- 1973-06-27 YU YU01736/73A patent/YU173673A/xx unknown
- 1973-06-27 IE IE1075/73A patent/IE37858B1/xx unknown
- 1973-06-27 GB GB3046873A patent/GB1430949A/en not_active Expired
- 1973-06-27 SU SU731937627A patent/SU946400A3/ru active
- 1973-06-28 AR AR248802A patent/AR202797A1/es active
- 1973-06-28 TR TR18357A patent/TR18357A/xx unknown
- 1973-06-28 DE DE2332982A patent/DE2332982A1/de not_active Ceased
- 1973-06-28 IN IN1514/CAL/73A patent/IN139022B/en unknown
- 1973-06-28 BR BR4801/73A patent/BR7304801D0/pt unknown
- 1973-06-28 NL NL7309030A patent/NL7309030A/xx not_active Application Discontinuation
- 1973-06-28 FR FR7323689A patent/FR2190822B1/fr not_active Expired
- 1973-06-28 CA CA175,123A patent/CA1022550A/en not_active Expired
- 1973-06-28 JP JP7235573A patent/JPS5418272B2/ja not_active Expired
- 1973-06-28 ES ES416416A patent/ES416416A1/es not_active Expired
- 1973-06-28 BE BE132859A patent/BE801611A/xx unknown
- 1973-06-28 AT AT570073A patent/AT331807B/de not_active IP Right Cessation
- 1973-06-28 AU AU57450/73A patent/AU5745073A/en not_active Expired
- 1973-07-08 IL IL42682A patent/IL42682A/en unknown
- 1973-07-18 US US380332A patent/US3904609A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FR2190822B1 (es)	1977-02-18
YU173673A (en)	1982-02-28
ZA734341B (en)	1974-05-29
JPS5418272B2 (es)	1979-07-06
AR202797A1 (es)	1975-07-24
AT331807B (de)	1976-08-25
DE2332982A1 (de)	1974-01-10
IE37858B1 (en)	1977-10-26
IN139022B (es)	1976-04-24
JPS4955684A (es)	1974-05-30
IL42682A0 (en)	1973-10-25
GB1430949A (en)	1976-04-07
US3904609A (en)	1975-09-09
IE37858L (en)	1973-12-28
ATA570073A (de)	1975-12-15
IL42682A (en)	1977-01-31
BE801611A (fr)	1973-12-28
NL7309030A (es)	1974-01-02
IT956941B (it)	1973-10-10
SU946400A3 (ru)	1982-07-23
SE408175B (sv)	1979-05-21
CH602631A5 (es)	1978-07-31
FR2190822A1 (es)	1974-02-01
CA1022550A (en)	1977-12-13
AU5745073A (en)	1975-01-09
TR18357A (tr)	1977-01-12
BR7304801D0 (pt)	1974-09-05

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