NL7308100A - - Google Patents
Info
- Publication number
- NL7308100A NL7308100A NL7308100A NL7308100A NL7308100A NL 7308100 A NL7308100 A NL 7308100A NL 7308100 A NL7308100 A NL 7308100A NL 7308100 A NL7308100 A NL 7308100A NL 7308100 A NL7308100 A NL 7308100A
- Authority
- NL
- Netherlands
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Pyrrole Compounds (AREA)
- Extraction Or Liquid Replacement (AREA)
- Polyamides (AREA)
Priority Applications (13)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7308100A NL7308100A (es) | 1973-06-12 | 1973-06-12 | |
| GB2573674A GB1409522A (en) | 1973-06-12 | 1974-06-10 | Process for recovery of epsilon-caprolactam |
| DE19742428203 DE2428203A1 (de) | 1973-06-12 | 1974-06-11 | Verfahren zur gewinnung von epsiloncaprolactam |
| IT51490/74A IT1021557B (it) | 1973-06-12 | 1974-06-11 | Procedimento per il ricupero di epsilon caprolattame |
| TR18304A TR18304A (tr) | 1973-06-12 | 1974-06-11 | E-kaprolaktamm yeniden elde edilmesine mahsus usul |
| ES427168A ES427168A1 (es) | 1973-06-12 | 1974-06-11 | Un procedimiento para la recuperacion de beta-caprolactama a partir de una mezcla de transposicion de beckmann. |
| US05/478,331 US3944543A (en) | 1973-06-12 | 1974-06-11 | Process for recovery of ε-caprolactam |
| FR7420123A FR2233321B1 (es) | 1973-06-12 | 1974-06-11 | |
| BE145315A BE816209A (fr) | 1973-06-12 | 1974-06-12 | Procede d'obtention d'epsilon-caprolactame |
| JP49067021A JPS5052079A (es) | 1973-06-12 | 1974-06-12 | |
| CS7400004170A CS183740B2 (en) | 1973-06-12 | 1974-06-12 | Method for obtaining eta-caprolactam |
| AR254203A AR203484A1 (es) | 1973-06-12 | 1974-06-14 | Procedimiento continuo para recuperar epsilon-caprolactam |
| IN1670/CAL/1974A IN140825B (es) | 1973-06-12 | 1974-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7308100A NL7308100A (es) | 1973-06-12 | 1973-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7308100A true NL7308100A (es) | 1974-12-16 |
Family
ID=19819044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7308100A NL7308100A (es) | 1973-06-12 | 1973-06-12 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3944543A (es) |
| JP (1) | JPS5052079A (es) |
| AR (1) | AR203484A1 (es) |
| BE (1) | BE816209A (es) |
| CS (1) | CS183740B2 (es) |
| DE (1) | DE2428203A1 (es) |
| ES (1) | ES427168A1 (es) |
| FR (1) | FR2233321B1 (es) |
| GB (1) | GB1409522A (es) |
| IN (1) | IN140825B (es) |
| IT (1) | IT1021557B (es) |
| NL (1) | NL7308100A (es) |
| TR (1) | TR18304A (es) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2641454A1 (de) * | 1976-09-15 | 1978-03-23 | Bayer Ag | Verfahren zur reinigung von epsilon-caprolactam |
| US4767503A (en) * | 1983-08-29 | 1988-08-30 | Allied Corporation | Removal of light impurities from caprolactam by distillation with water |
| JP2649736B2 (ja) * | 1990-06-22 | 1997-09-03 | 宇部興産株式会社 | ラクタム含有有機溶液の精製法 |
| WO2003018562A1 (en) * | 2001-08-27 | 2003-03-06 | Dsm Ip Assets B.V. | Process for distilling alkaline caprolactam product at reduced pressure |
| US7022844B2 (en) | 2002-09-21 | 2006-04-04 | Honeywell International Inc. | Amide-based compounds, production, recovery, purification and uses thereof |
| TW201114740A (en) | 2009-10-30 | 2011-05-01 | China Petrochemical Dev Corp Taipei Taiwan | Method of separating amide from amino acid ionic solution |
| 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 (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2758991A (en) * | 1956-08-14 | Hvvevvtofry | ||
| US2221369A (en) * | 1940-11-12 | Process foe producing lactams | ||
| FR1095772A (fr) * | 1953-03-19 | 1955-06-06 | Stamicarbon | Procédé pour épurer des lactames |
| NL144600B (nl) * | 1964-03-07 | 1975-01-15 | Stamicarbon | Afscheiding van lactamen uit een sterk zwavelzuur milieu. |
| NL164028C (nl) * | 1971-05-07 | 1980-11-17 | Stamicarbon | Werkwijze voor de afscheiding van lactamen. |
| CA989830A (en) * | 1971-05-07 | 1976-05-25 | Abraham H. De Rooij | Process for preparing and recovering lactams |
-
1973
- 1973-06-12 NL NL7308100A patent/NL7308100A/xx not_active Application Discontinuation
-
1974
- 1974-06-10 GB GB2573674A patent/GB1409522A/en not_active Expired
- 1974-06-11 ES ES427168A patent/ES427168A1/es not_active Expired
- 1974-06-11 FR FR7420123A patent/FR2233321B1/fr not_active Expired
- 1974-06-11 TR TR18304A patent/TR18304A/xx unknown
- 1974-06-11 DE DE19742428203 patent/DE2428203A1/de not_active Withdrawn
- 1974-06-11 IT IT51490/74A patent/IT1021557B/it active
- 1974-06-11 US US05/478,331 patent/US3944543A/en not_active Expired - Lifetime
- 1974-06-12 CS CS7400004170A patent/CS183740B2/cs unknown
- 1974-06-12 JP JP49067021A patent/JPS5052079A/ja active Pending
- 1974-06-12 BE BE145315A patent/BE816209A/xx unknown
- 1974-06-14 AR AR254203A patent/AR203484A1/es active
- 1974-07-26 IN IN1670/CAL/1974A patent/IN140825B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES427168A1 (es) | 1976-07-16 |
| FR2233321B1 (es) | 1978-01-13 |
| FR2233321A1 (es) | 1975-01-10 |
| AR203484A1 (es) | 1975-09-15 |
| IT1021557B (it) | 1978-02-20 |
| JPS5052079A (es) | 1975-05-09 |
| GB1409522A (en) | 1975-10-08 |
| IN140825B (es) | 1976-12-25 |
| BE816209A (fr) | 1974-12-12 |
| TR18304A (tr) | 1977-01-07 |
| CS183740B2 (en) | 1978-07-31 |
| DE2428203A1 (de) | 1975-01-09 |
| US3944543A (en) | 1976-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BI | The patent application has been withdrawn |