ES466424A1 - Un procedimiento para la recuperacion de epsilon-caprolacta-ma de una mezcla de reaccion de epsilon-caprolactama y acidosulfurico. - Google Patents

Un procedimiento para la recuperacion de epsilon-caprolacta-ma de una mezcla de reaccion de epsilon-caprolactama y acidosulfurico.

Info

Publication number: ES466424A1
Authority: ES; Spain
Prior art keywords: caprolactam; sulfuric acid; recovery; reaction mixture; sulfite
Prior art date: 1977-01-28
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

ES466424A

Other languages

English (en)

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.)

Stamicarbon BV

Original Assignee

Stamicarbon BV

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.)

1977-01-28

Filing date

1978-01-27

Publication date

1978-10-16

1978-01-27 Application filed by Stamicarbon BV filed Critical Stamicarbon BV

1978-10-16 Publication of ES466424A1 publication Critical patent/ES466424A1/es

Status Expired legal-status Critical Current

Links

QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title abstract 6
238000000034 method Methods 0.000 title abstract 2
239000011541 reaction mixture Substances 0.000 title abstract 2
238000011084 recovery Methods 0.000 title abstract 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 abstract 2
PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 abstract 1
229910021529 ammonia Inorganic materials 0.000 abstract 1
239000007864 aqueous solution Substances 0.000 abstract 1
ZETCGWYACBNPIH-UHFFFAOYSA-N azane;sulfurous acid Chemical compound N.OS(O)=O ZETCGWYACBNPIH-UHFFFAOYSA-N 0.000 abstract 1
239000008246 gaseous mixture Substances 0.000 abstract 1
150000003951 lactams Chemical class 0.000 abstract 1
238000006386 neutralization reaction Methods 0.000 abstract 1
238000005979 thermal decomposition reaction Methods 0.000 abstract 1

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)
Treating Waste Gases (AREA)
Other In-Based Heterocyclic Compounds (AREA)

ES466424A 1977-01-28 1978-01-27 Un procedimiento para la recuperacion de epsilon-caprolacta-ma de una mezcla de reaccion de epsilon-caprolactama y acidosulfurico. Expired ES466424A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7700882A NL7700882A (nl)	1977-01-28	1977-01-28	Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel.

Publications (1)

Publication Number	Publication Date
ES466424A1 true ES466424A1 (es)	1978-10-16

Family

ID=19827871

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES466424A Expired ES466424A1 (es)	1977-01-28	1978-01-27	Un procedimiento para la recuperacion de epsilon-caprolacta-ma de una mezcla de reaccion de epsilon-caprolactama y acidosulfurico.

Country Status (14)

Country	Link
US (1)	US4133810A (es)
JP (1)	JPS5395990A (es)
AR (1)	AR217673A1 (es)
BE (1)	BE863012A (es)
BR (1)	BR7800529A (es)
CA (1)	CA1100961A (es)
CH (1)	CH632250A5 (es)
DE (1)	DE2803657A1 (es)
ES (1)	ES466424A1 (es)
FR (1)	FR2378769A1 (es)
GB (1)	GB1553358A (es)
IT (1)	IT1104146B (es)
MX (1)	MX5326E (es)
NL (1)	NL7700882A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2845019A1 (de) *	1978-10-16	1980-04-30	Basf Ag	Verfahren zur kontinuierlichen herstellung von epsilon -caprolactam durch beckmann'sche umlagerung
US7022844B2 (en)	2002-09-21	2006-04-04	Honeywell International Inc.	Amide-based compounds, production, recovery, purification and uses thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2993889A (en) *		1961-07-25		Separation of a lactam from an acid
NL144600B (nl) *	1964-03-07	1975-01-15	Stamicarbon	Afscheiding van lactamen uit een sterk zwavelzuur milieu.
NL164028C (nl) *	1971-05-07	1980-11-17	Stamicarbon	Werkwijze voor de afscheiding van lactamen.
DE2130037B2 (de) *	1971-06-18	1977-02-10	Davy Powergas GmbH, 5000Köln	Verfahren zur herstellung von lactamen
DE2130036B2 (de) *	1971-06-18	1977-02-10	Davy Powergas GmbH, 5000 Köln	Verfahren zur herstellung von lactamen
BE790692A (fr) *	1971-10-29	1973-04-27	Stamicarbon	Procede d'obtention de lactames purs
BE792559A (fr) *	1971-12-11	1973-06-12	Stamicarbon	Procede pour la separation de lactames
US3852223A (en) *	1972-07-03	1974-12-03	Dow Chemical Co	Process for disposing of halogen-containing plastics
US3859278A (en) *	1972-12-11	1975-01-07	Stamicarbon	Process for separating lactams
NL7410450A (nl) *	1974-08-05	1976-02-09	Stamicarbon	Werkwijze voor het winnen van epsilon-capro- lactam uit een epsilon-caprolactamzwavelzuur reactiemengsel.
NL7601061A (nl) *	1976-02-03	1977-08-05	Stamicarbon	Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel.
NL7607047A (nl) *	1976-06-28	1977-12-30	Stamicarbon	Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactam-zwavelzuur- -reactiemengsel.

1977
- 1977-01-28 NL NL7700882A patent/NL7700882A/xx not_active Application Discontinuation
1978
- 1978-01-18 BE BE184395A patent/BE863012A/xx not_active IP Right Cessation
- 1978-01-20 CA CA295,417A patent/CA1100961A/en not_active Expired
- 1978-01-20 US US05/871,005 patent/US4133810A/en not_active Expired - Lifetime
- 1978-01-24 GB GB2834/78A patent/GB1553358A/en not_active Expired
- 1978-01-26 FR FR7802190A patent/FR2378769A1/fr active Granted
- 1978-01-26 IT IT47809/78A patent/IT1104146B/it active
- 1978-01-27 CH CH94178A patent/CH632250A5/de not_active IP Right Cessation
- 1978-01-27 MX MX786801U patent/MX5326E/es unknown
- 1978-01-27 BR BR7800529A patent/BR7800529A/pt unknown
- 1978-01-27 DE DE19782803657 patent/DE2803657A1/de not_active Withdrawn
- 1978-01-27 ES ES466424A patent/ES466424A1/es not_active Expired
- 1978-01-27 JP JP821078A patent/JPS5395990A/ja active Pending
- 1978-01-30 AR AR270905A patent/AR217673A1/es active

Also Published As

Publication number	Publication date
NL7700882A (nl)	1978-08-01
JPS5395990A (en)	1978-08-22
IT1104146B (it)	1985-10-14
DE2803657A1 (de)	1978-08-03
IT7847809A0 (it)	1978-01-26
CA1100961A (en)	1981-05-12
CH632250A5 (de)	1982-09-30
GB1553358A (en)	1979-09-26
BR7800529A (pt)	1978-09-12
FR2378769A1 (fr)	1978-08-25
MX5326E (es)	1983-06-22
BE863012A (nl)	1978-07-18
AR217673A1 (es)	1980-04-15
FR2378769B1 (es)	1983-02-04
US4133810A (en)	1979-01-09

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ES466424A1 (es)	1978-10-16	Un procedimiento para la recuperacion de epsilon-caprolacta-ma de una mezcla de reaccion de epsilon-caprolactama y acidosulfurico.
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Legal Events

Date	Code	Title	Description
2000-02-01	FD1A	Patent lapsed	Effective date: 20000103