BE790692A - Procede d'obtention de lactames purs - Google Patents

Procede d'obtention de lactames purs

Info

Publication number: BE790692A
Authority: BE; Belgium
Prior art keywords: obtaining pure; pure milk; milk; obtaining; pure
Prior art date: 1971-10-29

Application number

Other languages

Original Assignee

Stamicarbon

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.)

1971-10-29

Publication date

1973-04-27

1971-10-29 Priority claimed from NLAANVRAGE7114904,A external-priority patent/NL171893C/xx

1972-08-25 Priority claimed from NL7211586A external-priority patent/NL7211586A/xx

1973-04-27 Publication of BE790692A publication Critical patent/BE790692A/fr

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement
- 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)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Polyamides (AREA)
Other In-Based Heterocyclic Compounds (AREA)

BE790692D 1971-10-29 Procede d'obtention de lactames purs BE790692A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NLAANVRAGE7114904,A NL171893C (nl)	1971-10-29	1971-10-29	Werkwijze voor de winning van zuiver epsilon-aminocaprolactam.
NL7211586A NL7211586A (en)	1972-08-25	1972-08-25	High-purity epsilon-caprolactam prodn - by intramolecular rearrangement of cyclohexanone oxime with acid catalyst followed by

Publications (1)

Publication Number	Publication Date
BE790692A true BE790692A (fr)	1973-04-27

Family

ID=26644695

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE790692D BE790692A (fr)	1971-10-29		Procede d'obtention de lactames purs

Country Status (13)

Country	Link
US (1)	US3850910A (fr)
JP (1)	JPS5335079B2 (fr)
AR (1)	AR193140A1 (fr)
BE (1)	BE790692A (fr)
CH (1)	CH574414A5 (fr)
CS (1)	CS183671B2 (fr)
DD (1)	DD101668A5 (fr)
DE (1)	DE2252891A1 (fr)
FR (1)	FR2158051B1 (fr)
GB (1)	GB1399000A (fr)
IT (1)	IT966829B (fr)
PL (1)	PL82397B1 (fr)
RO (1)	RO64765A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7505130A (nl) *	1975-05-01	1976-11-03	Stamicarbon	Werkwijze voor de winning van zuiver epsilon- -caprolactam uit een waterige oplossing hiervan.
NL7601061A (nl) *	1976-02-03	1977-08-05	Stamicarbon	Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuur-reac- tiemengsel.
NL7700882A (nl) *	1977-01-28	1978-08-01	Stamicarbon	Werkwijze voor het winnen van epsilon-caprolac- tam uit een epsilon-caprolactamzwavelzuurreac- tiemengsel.
IT1173261B (it) *	1984-02-08	1987-06-18	Snia Bpd Spa	Procedimento di purificazione del caprolattame
JP2782919B2 (ja) *	1990-06-12	1998-08-06	宇部興産株式会社	ラクタム含有有機溶液の精製方法
JP2601946B2 (ja) *	1990-11-21	1997-04-23	宇部興産株式会社	ラクタム含有溶液の精製方法
JP2601945B2 (ja) *	1990-11-21	1997-04-23	宇部興産株式会社	ラクタム油の精製方法
BE1011047A3 (nl) *	1997-03-17	1999-04-06	Dsm Nv	Werkwijze voor het zuiveren van caprolactam.
US7022844B2 (en) *	2002-09-21	2006-04-04	Honeywell International Inc.	Amide-based compounds, production, recovery, purification and uses thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1261891A (fr) *	1959-10-09	1961-05-26	Stamicarbon	Procédé pour séparer un lactame d'un mélange réactionnel acide

0
- BE BE790692D patent/BE790692A/fr not_active IP Right Cessation
1972
- 1972-10-26 CH CH1568672A patent/CH574414A5/xx not_active IP Right Cessation
- 1972-10-27 IT IT53686/72A patent/IT966829B/it active
- 1972-10-27 DE DE2252891A patent/DE2252891A1/de not_active Ceased
- 1972-10-27 CS CS7200007250A patent/CS183671B2/cs unknown
- 1972-10-27 GB GB4973372A patent/GB1399000A/en not_active Expired
- 1972-10-27 DD DD166519A patent/DD101668A5/xx unknown
- 1972-10-28 JP JP10840072A patent/JPS5335079B2/ja not_active Expired
- 1972-10-28 PL PL1972158529A patent/PL82397B1/pl unknown
- 1972-10-30 AR AR244880A patent/AR193140A1/es active
- 1972-10-30 RO RO7272673A patent/RO64765A/fr unknown
- 1972-10-30 FR FR7238403A patent/FR2158051B1/fr not_active Expired
- 1972-10-30 US US00301726A patent/US3850910A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CH574414A5 (fr)	1976-04-15
JPS4852785A (fr)	1973-07-24
PL82397B1 (en)	1975-10-31
FR2158051A1 (fr)	1973-06-08
GB1399000A (en)	1975-06-25
DD101668A5 (fr)	1973-11-12
JPS5335079B2 (fr)	1978-09-25
CS183671B2 (en)	1978-07-31
IT966829B (it)	1974-02-20
FR2158051B1 (fr)	1976-05-21
AR193140A1 (es)	1973-03-30
US3850910A (en)	1974-11-26
RO64765A (fr)	1980-01-15
DE2252891A1 (de)	1973-05-03

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Legal Events

Date	Code	Title	Description
1985-04-30	RE	Patent lapsed	Owner name: STAMICARBON N.V. Effective date: 19841027

Date

Code

Title

Description

1985-04-30

Patent lapsed

Owner name: STAMICARBON N.V.

Effective date: 19841027