JPS5337687A - Production of epsilonn caprolactam - Google Patents
Production of epsilonn caprolactamInfo
- Publication number
- JPS5337687A JPS5337687A JP11005077A JP11005077A JPS5337687A JP S5337687 A JPS5337687 A JP S5337687A JP 11005077 A JP11005077 A JP 11005077A JP 11005077 A JP11005077 A JP 11005077A JP S5337687 A JPS5337687 A JP S5337687A
- Authority
- JP
- Japan
- Prior art keywords
- epsilonn
- caprolactam
- production
- epsilonn caprolactam
- Prior art date
- 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
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)
- Polyamides (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Pyrrole Compounds (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19762641478 DE2641478A1 (en) | 1976-09-15 | 1976-09-15 | CLEANING CAPROLACTAM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5337687A true JPS5337687A (en) | 1978-04-06 |
Family
ID=5987958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11005077A Pending JPS5337687A (en) | 1976-09-15 | 1977-09-14 | Production of epsilonn caprolactam |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5337687A (en) |
| BE (1) | BE858713A (en) |
| BR (1) | BR7706142A (en) |
| DD (1) | DD132128A5 (en) |
| DE (1) | DE2641478A1 (en) |
| ES (1) | ES462353A1 (en) |
| FR (1) | FR2364905A1 (en) |
| GB (1) | GB1529559A (en) |
| NL (1) | NL7710151A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2845075A1 (en) * | 1978-10-17 | 1980-05-08 | Basf Ag | METHOD FOR PURIFYING ROHCAPROLACTAM |
| TW215084B (en) * | 1992-04-17 | 1993-10-21 | Sumitomo Chemical Co | Process for producing a high purity caprolactam |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1397132A (en) * | 1963-05-22 | 1965-04-30 | Halcon International Inc | Chemical process for the purification of lactams |
| FR1445047A (en) * | 1964-08-18 | 1966-07-08 | Zimmer Verfahrenstechnik | Process for the purification of caprolactam by oxidation |
-
1976
- 1976-09-15 DE DE19762641478 patent/DE2641478A1/en not_active Withdrawn
-
1977
- 1977-09-12 DD DD20097577A patent/DD132128A5/en unknown
- 1977-09-13 GB GB3810777A patent/GB1529559A/en not_active Expired
- 1977-09-14 JP JP11005077A patent/JPS5337687A/en active Pending
- 1977-09-14 BR BR7706142A patent/BR7706142A/en unknown
- 1977-09-14 ES ES462353A patent/ES462353A1/en not_active Expired
- 1977-09-15 BE BE180918A patent/BE858713A/en not_active IP Right Cessation
- 1977-09-15 NL NL7710151A patent/NL7710151A/en not_active Application Discontinuation
- 1977-09-15 FR FR7727926A patent/FR2364905A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2364905B1 (en) | 1981-11-27 |
| BE858713A (en) | 1978-03-15 |
| ES462353A1 (en) | 1978-06-16 |
| DD132128A5 (en) | 1978-08-30 |
| BR7706142A (en) | 1978-07-04 |
| FR2364905A1 (en) | 1978-04-14 |
| NL7710151A (en) | 1978-03-17 |
| GB1529559A (en) | 1978-10-25 |
| DE2641478A1 (en) | 1978-03-23 |
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