JPS52151186A - Purifying of epsilonn caprolactam - Google Patents

Purifying of epsilonn caprolactam

Info

Publication number: JPS52151186A
Authority: JP; Japan
Prior art keywords: epsilonn; caprolactam; purifying; epsilonn caprolactam
Prior art date: 1976-06-05
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.): Pending

Application number

JP6492777A

Other languages

English (en)

Japanese (ja)

Inventor

Ururitsuhi Kaizaa Berunto

Dantsuigaa Harii

Inmeru Otsutoo

Herumuuto Shiyubarutsu Hansu

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.)

Bayer AG

Original Assignee

Bayer AG

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.)

1976-06-05

Filing date

1977-06-03

Publication date

1977-12-15

1977-06-03 Application filed by Bayer AG filed Critical Bayer AG

1977-12-15 Publication of JPS52151186A publication Critical patent/JPS52151186A/ja

Status Pending legal-status Critical Current

Links

JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title 2

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)
Polyamides (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Pyrrole Compounds (AREA)

JP6492777A 1976-06-05 1977-06-03 Purifying of epsilonn caprolactam Pending JPS52151186A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19762625402 DE2625402A1 (de)	1976-06-05	1976-06-05	Reinigung von epsilon-caprolactam

Publications (1)

Publication Number	Publication Date
JPS52151186A true JPS52151186A (en)	1977-12-15

Family

ID=5979933

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP6492777A Pending JPS52151186A (en)	1976-06-05	1977-06-03	Purifying of epsilonn caprolactam

Country Status (10)

Country	Link
JP (1)	JPS52151186A (fr)
BE (1)	BE855367A (fr)
BR (1)	BR7703572A (fr)
CH (1)	CH626339A5 (fr)
DD (1)	DD132491A5 (fr)
DE (1)	DE2625402A1 (fr)
ES (1)	ES459328A1 (fr)
FR (1)	FR2353535A1 (fr)
GB (1)	GB1535485A (fr)
NL (1)	NL7706080A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2845075A1 (de) *	1978-10-17	1980-05-08	Basf Ag	Verfahren zur reinigung von rohcaprolactam
CN115253380B (zh) *	2022-08-19	2023-09-01	清元智能科技研究院(湖北)有限公司	一种己内酰胺萃取系统和方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH522649A (de) *	1970-04-17	1973-04-13	Buchs Metallwerk Ag	Verfahren zur Reinigung von Caprolactam
SU387996A1 (ru) *	1971-04-30	1973-06-22		Способ очистки капролактама
CH564528A5 (en) *	1972-06-14	1975-07-31	Buchs Metallwerk Ag	Purification of caprolactam freed from water - by counter-current multi-stage cystallisation from the melt using a solvent

1976
- 1976-06-05 DE DE19762625402 patent/DE2625402A1/de not_active Withdrawn
1977
- 1977-05-30 GB GB2272777A patent/GB1535485A/en not_active Expired
- 1977-05-31 ES ES459328A patent/ES459328A1/es not_active Expired
- 1977-06-02 BR BR7703572A patent/BR7703572A/pt unknown
- 1977-06-02 NL NL7706080A patent/NL7706080A/xx not_active Application Discontinuation
- 1977-06-03 BE BE178173A patent/BE855367A/fr not_active IP Right Cessation
- 1977-06-03 JP JP6492777A patent/JPS52151186A/ja active Pending
- 1977-06-03 DD DD19929277A patent/DD132491A5/xx unknown
- 1977-06-03 CH CH689777A patent/CH626339A5/de not_active IP Right Cessation
- 1977-06-03 FR FR7717079A patent/FR2353535A1/fr active Granted

Also Published As

Publication number	Publication date
BE855367A (fr)	1977-12-05
BR7703572A (pt)	1978-03-21
GB1535485A (en)	1978-12-13
FR2353535B1 (fr)	1982-07-02
ES459328A1 (es)	1978-03-16
DD132491A5 (de)	1978-10-04
FR2353535A1 (fr)	1977-12-30
NL7706080A (nl)	1977-12-07
CH626339A5 (en)	1981-11-13
DE2625402A1 (de)	1977-12-22

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