IT1303824B1 - Procedimento per la produzione di caprolattame di elevata purezza. - Google Patents

Procedimento per la produzione di caprolattame di elevata purezza.

Info

Publication number: IT1303824B1
Authority: IT; Italy
Prior art keywords: caprolattame; procedure; production; high purity; purity
Prior art date: 1997-12-08

Application number

IT1998MI002635A

Other languages

English (en)

Inventor

Myung Suk Suh

Seung Eon Park

Chang Hwang Lee

Myeong Hong Lee

Si Geun Lee

Jung Ho Kim

Original Assignee

Hyosung Corp

Priority date (The priority date 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 date listed.)

1997-12-08

Filing date

1998-12-04

Publication date

2001-02-23

1998-12-04 Application filed by Hyosung Corp filed Critical Hyosung Corp

1999-06-08 Publication of ITMI982635A1 publication Critical patent/ITMI982635A1/it

2001-02-23 Application granted granted Critical

2001-02-23 Publication of IT1303824B1 publication Critical patent/IT1303824B1/it

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)

IT1998MI002635A 1997-12-08 1998-12-04 Procedimento per la produzione di caprolattame di elevata purezza. IT1303824B1 (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
KR1019970066783A KR100231761B1 (ko)	1997-12-08	1997-12-08	고순도 카프로락탐의 제조방법

Publications (2)

Publication Number	Publication Date
ITMI982635A1 ITMI982635A1 (it)	1999-06-08
IT1303824B1 true IT1303824B1 (it)	2001-02-23

Family

ID=19526727

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT1998MI002635A IT1303824B1 (it)	1997-12-08	1998-12-04	Procedimento per la produzione di caprolattame di elevata purezza.

Country Status (8)

Country	Link
US (1)	US6245907B1 (it)
KR (1)	KR100231761B1 (it)
CN (1)	CN1189456C (it)
DE (1)	DE19856205A1 (it)
ID (1)	ID21435A (it)
IN (1)	IN189018B (it)
IT (1)	IT1303824B1 (it)
TW (1)	TW555748B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR100359206B1 (ko) *	2000-02-14	2002-11-04	주식회사 효성	고순도 카프로락탐의 제조 방법
CN100519516C (zh) *	2001-07-25	2009-07-29	旭化成化学株式会社	生产环己酮肟的方法
US7022844B2 (en)	2002-09-21	2006-04-04	Honeywell International Inc.	Amide-based compounds, production, recovery, purification and uses thereof
US20060189829A1 (en) *	2005-02-18	2006-08-24	Basf Corporation	Method of minimizing aldehyde based impurities in a process stream
CN103649029B (zh) *	2011-07-12	2015-10-14	旭化成化学株式会社	环己醇、环己醇的制造方法和己二酸的制造方法
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
EP2895454B1 (en)	2012-09-14	2016-11-30	ExxonMobil Chemical Patents Inc.	Process for separating methylcyclopentanone from cyclohexanone

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL7206342A (it)	1971-05-18	1972-11-21
NL7613947A (nl)	1976-12-16	1978-06-20	Stamicarbon	Werkwijze voor het bereiden van een cycloal- kanol.
TW218865B (it)	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
US5900482A (en) *	1995-07-20	1999-05-04	Mitsubishi Chemical Corporation	Process for the preparation of ε-caprolactam
KR970706249A (ko)	1995-07-20	1997-11-03	미우라 아끼라	엡실론-카프로락탐의 제조방법(process for the preparation of epsilon-caprolactam)

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 IT IT1998MI002635A patent/IT1303824B1/it active
- 1998-12-04 IN IN789BO1998 patent/IN189018B/en unknown
- 1998-12-04 US US09/205,900 patent/US6245907B1/en not_active Expired - Lifetime
- 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
CN1189456C (zh)	2005-02-16
IN189018B (it)	2002-12-07
KR100231761B1 (ko)	1999-11-15
ITMI982635A1 (it)	1999-06-08
US6245907B1 (en)	2001-06-12
DE19856205A1 (de)	1999-06-10
CN1226553A (zh)	1999-08-25
TW555748B (en)	2003-10-01
ID21435A (id)	1999-06-10
KR19990048166A (ko)	1999-07-05

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