BE867528A - PURIFICATION OF CAPROLACTAM - Google Patents
PURIFICATION OF CAPROLACTAMInfo
- Publication number
- BE867528A BE867528A BE188073A BE188073A BE867528A BE 867528 A BE867528 A BE 867528A BE 188073 A BE188073 A BE 188073A BE 188073 A BE188073 A BE 188073A BE 867528 A BE867528 A BE 867528A
- Authority
- BE
- Belgium
- Prior art keywords
- caprolactam
- purification
- Prior art date
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)
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)
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)
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 |
---|---|---|---|
RE | Patent lapsed |
Owner name: BAYER A.G. Effective date: 19850526 |