DE69926495D1 - VERFAHREN ZUR HERSTELLUNG VON epsilon-CAPROLACTAM - Google Patents
VERFAHREN ZUR HERSTELLUNG VON epsilon-CAPROLACTAMInfo
- Publication number
- DE69926495D1 DE69926495D1 DE69926495T DE69926495T DE69926495D1 DE 69926495 D1 DE69926495 D1 DE 69926495D1 DE 69926495 T DE69926495 T DE 69926495T DE 69926495 T DE69926495 T DE 69926495T DE 69926495 D1 DE69926495 D1 DE 69926495D1
- Authority
- DE
- Germany
- Prior art keywords
- preparation
- epsilon caprolactam
- caprolactam
- epsilon
- 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.)
- Expired - Lifetime
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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
- C07D201/04—Preparation of lactams from or via oximes by Beckmann rearrangement
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11960298 | 1998-04-28 | ||
| JP11960298 | 1998-04-28 | ||
| PCT/JP1999/002115 WO1999055671A1 (fr) | 1998-04-28 | 1999-04-21 | PROCEDE DE PRODUCTION DE e-CAPROLACTAME |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69926495D1 true DE69926495D1 (de) | 2005-09-08 |
| DE69926495T2 DE69926495T2 (de) | 2006-06-01 |
Family
ID=14765465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69926495T Expired - Lifetime DE69926495T2 (de) | 1998-04-28 | 1999-04-21 | VERFAHREN ZUR HERSTELLUNG VON ε-CAPROLACTAM |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6344557B1 (de) |
| EP (1) | EP1076054B1 (de) |
| KR (1) | KR101155354B1 (de) |
| CN (1) | CN100369895C (de) |
| DE (1) | DE69926495T2 (de) |
| TW (1) | TWI232857B (de) |
| WO (1) | WO1999055671A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383125C (zh) * | 2003-09-28 | 2008-04-23 | 中国石油化工股份有限公司 | O-烷基-ε-已内酰亚胺转化为ε-已内酰胺的方法 |
| CN110090644B (zh) * | 2019-04-02 | 2022-04-12 | 宁波天泽新材料科技有限公司 | 一种合成o-甲基己内酰亚胺的催化剂及应用方法 |
| CN114507169B (zh) * | 2022-02-24 | 2023-08-25 | 江苏扬农化工集团有限公司 | O-烷基己内酰亚胺转化成己内酰胺的方法及其应用 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4968793A (en) * | 1989-01-26 | 1990-11-06 | Sumitomo Chemical Company, Limited | Process for producing ε-caprolactam |
| JP2601946B2 (ja) * | 1990-11-21 | 1997-04-23 | 宇部興産株式会社 | ラクタム含有溶液の精製方法 |
| KR100224333B1 (ko) * | 1991-11-27 | 1999-10-15 | 고오사이 아끼오 | ε-카프로락탐의 제조방법 |
| TW268941B (de) * | 1993-08-20 | 1996-01-21 | Sumitomo Chemical Co | |
| JPH07109255A (ja) * | 1993-08-20 | 1995-04-25 | Sumitomo Chem Co Ltd | ε−カプロラクタムの製造方法 |
| JP3456233B2 (ja) * | 1993-10-19 | 2003-10-14 | 住友化学工業株式会社 | ε−カプロラクタムの製造法 |
| JPH07179419A (ja) * | 1993-12-22 | 1995-07-18 | Mitsubishi Chem Corp | 高純度カプロラクタムの製造方法 |
| JPH07196606A (ja) * | 1994-01-11 | 1995-08-01 | Sumitomo Chem Co Ltd | ε−カプロラクタムの精製方法 |
-
1999
- 1999-04-21 EP EP99917076A patent/EP1076054B1/de not_active Expired - Lifetime
- 1999-04-21 CN CNB998055808A patent/CN100369895C/zh not_active Expired - Lifetime
- 1999-04-21 US US09/674,164 patent/US6344557B1/en not_active Expired - Fee Related
- 1999-04-21 KR KR1020007011938A patent/KR101155354B1/ko not_active IP Right Cessation
- 1999-04-21 DE DE69926495T patent/DE69926495T2/de not_active Expired - Lifetime
- 1999-04-21 WO PCT/JP1999/002115 patent/WO1999055671A1/ja active IP Right Grant
- 1999-04-23 TW TW088106566A patent/TWI232857B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999055671A1 (fr) | 1999-11-04 |
| US6344557B1 (en) | 2002-02-05 |
| KR20010043061A (ko) | 2001-05-25 |
| CN1298388A (zh) | 2001-06-06 |
| DE69926495T2 (de) | 2006-06-01 |
| CN100369895C (zh) | 2008-02-20 |
| EP1076054B1 (de) | 2005-08-03 |
| KR101155354B1 (ko) | 2012-06-19 |
| TWI232857B (en) | 2005-05-21 |
| EP1076054A1 (de) | 2001-02-14 |
| EP1076054A4 (de) | 2001-08-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |