IN172064B - - Google Patents

Info

Publication number: IN172064B
Authority: IN; India

Application number

IN687/MAS/88A

Other languages

English (en)

Inventor

Neubauer Gerald

De Decker Emile

Fuchs Hugo

Holzknecht Bernhard

Ritz Josef

Original Assignee

Basf Ag

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.)

1987-10-16

Filing date

1988-10-04

Publication date

1993-03-27

1988-10-04 Application filed by Basf Ag filed Critical Basf Ag

1993-03-27 Publication of IN172064B publication Critical patent/IN172064B/en

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)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Other In-Based Heterocyclic Compounds (AREA)

IN687/MAS/88A 1987-10-16 1988-10-04 IN172064B (el)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19873735054 DE3735054A1 (de)	1987-10-16	1987-10-16	Verfahren zur gewinnung von caprolactam aus leichtsiedern oder schwersiedern der caprolactamdestillation oder gemischen derselben

Publications (1)

Publication Number	Publication Date
IN172064B true IN172064B (el)	1993-03-27

Family

ID=6338455

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IN687/MAS/88A IN172064B (el)	1987-10-16	1988-10-04

Country Status (6)

Country	Link
US (1)	US4882430A (el)
EP (1)	EP0311960B1 (el)
JP (1)	JPH0816097B2 (el)
DE (2)	DE3735054A1 (el)
ES (1)	ES2048183T3 (el)
IN (1)	IN172064B (el)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH075543B2 (ja) *	1988-04-09	1995-01-25	三菱化学株式会社	高純度カプロラクタムの製造法
DE19500041A1 (de) *	1995-01-03	1996-07-04	Basf Ag	Verfahren zur kontinuierlichen Reinigung von aus 6-Aminocapronitril hergestelltem Roh-Caprolactam
US5990306A (en)	1997-09-03	1999-11-23	Alliedsignal Inc.	Process for the purification of caprolactam obtained from the depolymerization of polyamide-containing carpet
US6045703A (en) *	1998-06-15	2000-04-04	Union Carbide Chemicals & Plastics Technology Corporation	Separation processes
US6036865A (en) *	1998-06-15	2000-03-14	Union Carbide Chemicals & Plastics Technology Corporation	Separation processes
FR2809395B1 (fr)	2000-05-26	2002-07-19	Rhodia Polyamide Intermediates	Procede de purification de lactames
DE10026407A1 (de) *	2000-05-29	2001-12-06	Basf Ag	Verfahren der diskontinuierlichen kristallisativen Reinigung von Roh-Acrylsäure
JP4182273B2 (ja)	2000-06-27	2008-11-19	住友化学株式会社	ε−カプロラクタムの製造方法
MXPA04004955A (es) *	2001-11-26	2004-08-11	Dsm Ip Assets Bv	Procedimiento para la recuperacion de caprolactama.
US7022844B2 (en)	2002-09-21	2006-04-04	Honeywell International Inc.	Amide-based compounds, production, recovery, purification and uses thereof
DE10253095A1 (de) *	2002-11-13	2004-06-17	Basf Ag	Verfahren zur Reinigung von Caprolactam
CN107778244B (zh) *	2017-12-07	2021-03-16	陕西科原环保节能科技有限公司	一种精制提纯己内酰胺的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2813858A (en) *	1954-08-26	1957-11-19	Allied Chem & Dye Corp	Process for purifying epsilon-caprolactam
US3379028A (en) *	1966-04-04	1968-04-23	Phillips Petroleum Co	Melting a crystalline fraction in a solvent presence
DE2926279A1 (de) *	1979-06-29	1981-01-08	Basf Ag	Verfahren zur reinigung von caprolactam

1987
- 1987-10-16 DE DE19873735054 patent/DE3735054A1/de not_active Withdrawn
1988
- 1988-10-04 IN IN687/MAS/88A patent/IN172064B/en unknown
- 1988-10-11 EP EP88116802A patent/EP0311960B1/de not_active Expired - Lifetime
- 1988-10-11 DE DE88116802T patent/DE3887434D1/de not_active Expired - Lifetime
- 1988-10-11 ES ES88116802T patent/ES2048183T3/es not_active Expired - Lifetime
- 1988-10-13 US US07/257,274 patent/US4882430A/en not_active Expired - Fee Related
- 1988-10-14 JP JP63257436A patent/JPH0816097B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE3887434D1 (de)	1994-03-10
JPH0816097B2 (ja)	1996-02-21
DE3735054A1 (de)	1989-04-27
EP0311960A2 (de)	1989-04-19
ES2048183T3 (es)	1994-03-16
EP0311960B1 (de)	1994-01-26
US4882430A (en)	1989-11-21
JPH01132558A (ja)	1989-05-25
EP0311960A3 (en)	1990-07-11

Publication	Publication Date	Title
FR2617713B1 (el)	1994-08-19
DE3869126D1 (el)	1992-04-16
FR2619038B1 (el)	1993-02-26
FR2611171B1 (el)	1994-11-10
FR2614748B1 (el)	1995-02-24
FR2621730B1 (el)	1991-05-10
FR2620085B1 (el)	1995-01-27
FR2614648B1 (el)	1994-04-22
FR2617832B1 (el)	1994-04-22
DE3890135T (el)	1989-01-19
FR2622397B1 (el)	1996-08-23
DE3790883T1 (el)	1988-12-08
FR2616965B1 (el)	1994-04-22
CH670187GA3 (el)	1989-05-31
DE3872597D1 (el)	1992-08-13
DE3868535A1 (el)	1992-04-02
DK535788D0 (el)	1988-09-27
EP0474267A3 (el)	1995-07-05
FR2618768B1 (el)	1995-05-05
DE3878449D1 (el)	1993-03-25
FR2610664B1 (el)	1995-05-05
AU7986687A (el)	1987-12-24
AU5926286A (el)	1987-03-05
AU5783486A (el)	1987-04-09
AU6818487A (el)	1987-10-29