BE867528A - PURIFICATION OF CAPROLACTAM - Google Patents

PURIFICATION OF CAPROLACTAM

Info

Publication number: BE867528A
Authority: BE; Belgium
Prior art keywords: caprolactam; purification
Prior art date: 1977-05-28

Application number

BE188073A

Other languages

French (fr)

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.)

1977-05-28

Filing date

1978-05-26

Publication date

1978-11-27

1978-05-26 Application filed by Bayer Ag filed Critical Bayer Ag

1978-11-27 Publication of BE867528A publication Critical patent/BE867528A/en

Links

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)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

BE188073A 1977-05-28 1978-05-26 PURIFICATION OF CAPROLACTAM BE867528A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19772724361 DE2724361A1 (en)	1977-05-28	1977-05-28	CLEANING CAPROLACTAM

Publications (1)

Publication Number	Publication Date
BE867528A true BE867528A (en)	1978-11-27

Family

ID=6010216

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE188073A BE867528A (en)	1977-05-28	1978-05-26	PURIFICATION OF CAPROLACTAM

Country Status (7)

Country	Link
JP (1)	JPS53147085A (en)
BE (1)	BE867528A (en)
DE (1)	DE2724361A1 (en)
ES (1)	ES470183A1 (en)
FR (1)	FR2392010A1 (en)
IT (1)	IT7849565A0 (en)
NL (1)	NL7805812A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3026538A1 (en) *	1980-07-12	1982-02-11	Basf Ag, 6700 Ludwigshafen	METHOD FOR CONTINUOUS EXTRACTION OF CAPROLACTAM AS SUCH AND AQUEOUS SOLUTIONS CONTAINING THE SAME OF THE OLIGOMER
IT1173261B (en) *	1984-02-08	1987-06-18	Snia Bpd Spa	CAPROLATTAME PURIFICATION PROCESS
JP2601946B2 (en) *	1990-11-21	1997-04-23	宇部興産株式会社	Method for purifying lactam-containing solution
JP2601945B2 (en) *	1990-11-21	1997-04-23	宇部興産株式会社	Lactam oil refining method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2550934C3 (en) *	1975-11-13	1980-06-12	Bayer Ag, 5090 Leverkusen	Purification of caprolactam

1977
- 1977-05-28 DE DE19772724361 patent/DE2724361A1/en not_active Withdrawn
1978
- 1978-05-24 ES ES470183A patent/ES470183A1/en not_active Expired
- 1978-05-26 IT IT7849565A patent/IT7849565A0/en unknown
- 1978-05-26 JP JP6240978A patent/JPS53147085A/en active Pending
- 1978-05-26 BE BE188073A patent/BE867528A/en not_active IP Right Cessation
- 1978-05-26 FR FR7815780A patent/FR2392010A1/en not_active Withdrawn
- 1978-05-29 NL NL7805812A patent/NL7805812A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
IT7849565A0 (en)	1978-05-26
ES470183A1 (en)	1979-01-01
JPS53147085A (en)	1978-12-21
DE2724361A1 (en)	1978-11-30
NL7805812A (en)	1978-11-30
FR2392010A1 (en)	1978-12-22

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Legal Events

Date

Code

Title

Description

1985-11-30

RE

Patent lapsed

Owner name: BAYER A.G.

Effective date: 19850526