BE766138A - Procede de purification de caprolactame - Google Patents
Procede de purification de caprolactameInfo
- Publication number
- BE766138A BE766138A BE766138A BE766138A BE766138A BE 766138 A BE766138 A BE 766138A BE 766138 A BE766138 A BE 766138A BE 766138 A BE766138 A BE 766138A BE 766138 A BE766138 A BE 766138A
- Authority
- BE
- Belgium
- Prior art keywords
- purification process
- caprolactam purification
- 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)
- Pyrrole Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2019431A DE2019431C2 (de) | 1970-04-22 | 1970-04-22 | Verfahren zur Reinigung von Caprolactam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE766138A true BE766138A (fr) | 1971-09-16 |
Family
ID=5768844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE766138A BE766138A (fr) | 1970-04-22 | 1971-04-22 | Procede de purification de caprolactame |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3755305A (de) |
| BE (1) | BE766138A (de) |
| CA (1) | CA921481A (de) |
| CH (1) | CH553784A (de) |
| DE (1) | DE2019431C2 (de) |
| ES (1) | ES390416A1 (de) |
| FR (1) | FR2086263B1 (de) |
| GB (1) | GB1294614A (de) |
| NL (1) | NL7104914A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2641454A1 (de) * | 1976-09-15 | 1978-03-23 | Bayer Ag | Verfahren zur reinigung von epsilon-caprolactam |
| DE2926279A1 (de) * | 1979-06-29 | 1981-01-08 | Basf Ag | Verfahren zur reinigung von caprolactam |
| TW215084B (en) * | 1992-04-17 | 1993-10-21 | Sumitomo Chemical Co | Process for producing a high purity caprolactam |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2692878A (en) * | 1954-10-26 | Method forithe continuous produc- | ||
| US2861988A (en) * | 1958-11-25 | Caprolactam manufacture | ||
| US2758991A (en) * | 1956-08-14 | Hvvevvtofry | ||
| US2221369A (en) * | 1940-11-12 | Process foe producing lactams | ||
| CH450433A (de) * | 1965-06-15 | 1968-01-31 | Inventa Ag | Verfahren zur Reinigung von Lactamen |
| GB1198428A (en) * | 1967-07-18 | 1970-07-15 | Bp Chem Int Ltd | Solvent Extraction Process for Caprolactam |
-
1970
- 1970-04-22 DE DE2019431A patent/DE2019431C2/de not_active Expired
-
1971
- 1971-03-24 CH CH427271A patent/CH553784A/de not_active IP Right Cessation
- 1971-04-13 NL NL7104914A patent/NL7104914A/xx not_active Application Discontinuation
- 1971-04-15 US US00134310A patent/US3755305A/en not_active Expired - Lifetime
- 1971-04-19 CA CA110660A patent/CA921481A/en not_active Expired
- 1971-04-21 ES ES390416A patent/ES390416A1/es not_active Expired
- 1971-04-21 GB GB00347/71A patent/GB1294614A/en not_active Expired
- 1971-04-22 BE BE766138A patent/BE766138A/xx not_active IP Right Cessation
- 1971-04-22 FR FR7114411A patent/FR2086263B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1294614A (en) | 1972-11-01 |
| DE2019431C2 (de) | 1981-10-15 |
| NL7104914A (de) | 1971-10-26 |
| ES390416A1 (es) | 1973-06-01 |
| FR2086263B1 (de) | 1975-07-04 |
| CA921481A (en) | 1973-02-20 |
| CH553784A (de) | 1974-09-13 |
| DE2019431A1 (de) | 1971-11-04 |
| FR2086263A1 (de) | 1971-12-31 |
| US3755305A (en) | 1973-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: FARBENFABRIKEN BAYER A.G. Effective date: 19840422 |