IN189018B - - Google Patents
Info
- Publication number
- IN189018B IN189018B IN789BO1998A IN189018B IN 189018 B IN189018 B IN 189018B IN 789BO1998 A IN789BO1998 A IN 789BO1998A IN 189018 B IN189018 B IN 189018B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/02—Preparation of lactams
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
- C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D223/08—Oxygen atoms
- C07D223/10—Oxygen atoms attached in position 2
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Closures For Containers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019970066783A KR100231761B1 (ko) | 1997-12-08 | 1997-12-08 | 고순도 카프로락탐의 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN189018B true IN189018B (xx) | 2002-12-07 |
Family
ID=19526727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN789BO1998 IN189018B (xx) | 1997-12-08 | 1998-12-04 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6245907B1 (xx) |
| KR (1) | KR100231761B1 (xx) |
| CN (1) | CN1189456C (xx) |
| DE (1) | DE19856205A1 (xx) |
| ID (1) | ID21435A (xx) |
| IN (1) | IN189018B (xx) |
| IT (1) | IT1303824B1 (xx) |
| TW (1) | TW555748B (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100359206B1 (ko) * | 2000-02-14 | 2002-11-04 | 주식회사 효성 | 고순도 카프로락탐의 제조 방법 |
| TWI292753B (xx) * | 2001-07-25 | 2008-01-21 | Asahi Kasei Chemicals Corp | |
| US20060189829A1 (en) * | 2005-02-18 | 2006-08-24 | Basf Corporation | Method of minimizing aldehyde based impurities in a process stream |
| EP2733136B1 (en) * | 2011-07-12 | 2016-05-04 | Asahi Kasei Chemicals Corporation | Cyclohexanol, method for producing cyclohexanol, and method for producing adipic acid |
| CN102675176B (zh) * | 2012-05-31 | 2016-12-14 | 中国天辰工程有限公司 | 一种以高纯苯为原料生产己内酰胺的方法 |
| WO2014042993A1 (en) * | 2012-09-14 | 2014-03-20 | Exxonmobil Chemical Patents Inc. | Process for separating methylcyclopentanone from cyclohexanone |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7206342A (xx) | 1971-05-18 | 1972-11-21 | ||
| NL7613947A (nl) | 1976-12-16 | 1978-06-20 | Stamicarbon | Werkwijze voor het bereiden van een cycloal- kanol. |
| TW218865B (xx) | 1992-01-24 | 1994-01-11 | Asahi Carbon Kabushiki Kaisha | |
| JP3789504B2 (ja) * | 1995-01-12 | 2006-06-28 | 旭化成ケミカルズ株式会社 | ε−カプロラクタムの製造方法 |
| WO1997003956A1 (fr) | 1995-07-20 | 1997-02-06 | Mitsubishi Chemical Corporation | PROCEDE DE PREPARATION DE ε-CAPROLACTAME |
| US5900482A (en) * | 1995-07-20 | 1999-05-04 | Mitsubishi Chemical Corporation | Process for the preparation of ε-caprolactam |
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1997
- 1997-12-08 KR KR1019970066783A patent/KR100231761B1/ko not_active IP Right Cessation
-
1998
- 1998-12-01 TW TW087119905A patent/TW555748B/zh not_active IP Right Cessation
- 1998-12-04 US US09/205,900 patent/US6245907B1/en not_active Expired - Lifetime
- 1998-12-04 IN IN789BO1998 patent/IN189018B/en unknown
- 1998-12-04 IT IT1998MI002635A patent/IT1303824B1/it active
- 1998-12-05 DE DE19856205A patent/DE19856205A1/de not_active Withdrawn
- 1998-12-07 ID IDP981586A patent/ID21435A/id unknown
- 1998-12-08 CN CNB981233236A patent/CN1189456C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6245907B1 (en) | 2001-06-12 |
| ID21435A (id) | 1999-06-10 |
| ITMI982635A1 (it) | 1999-06-08 |
| CN1226553A (zh) | 1999-08-25 |
| KR100231761B1 (ko) | 1999-11-15 |
| CN1189456C (zh) | 2005-02-16 |
| IT1303824B1 (it) | 2001-02-23 |
| DE19856205A1 (de) | 1999-06-10 |
| TW555748B (en) | 2003-10-01 |
| KR19990048166A (ko) | 1999-07-05 |