DE69717976D1 - Gewinnung von epsilon-caprolactam aus wässrigen gemischen - Google Patents
Gewinnung von epsilon-caprolactam aus wässrigen gemischenInfo
- Publication number
- DE69717976D1 DE69717976D1 DE69717976T DE69717976T DE69717976D1 DE 69717976 D1 DE69717976 D1 DE 69717976D1 DE 69717976 T DE69717976 T DE 69717976T DE 69717976 T DE69717976 T DE 69717976T DE 69717976 D1 DE69717976 D1 DE 69717976D1
- Authority
- DE
- Germany
- Prior art keywords
- caprolactam
- aqueous mixtures
- epsilon
- obtaining
- obtaining 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
- C07D201/02—Preparation of lactams
- C07D201/08—Preparation of lactams from carboxylic acids or derivatives thereof, e.g. hydroxy carboxylic acids, lactones or nitriles
-
- 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)
- Other In-Based Heterocyclic Compounds (AREA)
- Polyamides (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MY9600650 | 1996-02-17 | ||
MYPI96000650A MY116498A (en) | 1995-03-01 | 1996-02-17 | Process for the preparation of é - caprolactam |
EP96202436 | 1996-09-02 | ||
EP96202436A EP0826665A1 (de) | 1996-09-02 | 1996-09-02 | Gewinnung von epsilon-Caprolactam aus wässrigen Gemischen |
EP96202931 | 1996-10-21 | ||
EP96202931 | 1996-10-21 | ||
PCT/NL1997/000033 WO1997030028A2 (en) | 1996-02-17 | 1997-02-05 | Recovery of epsilon-caprolactam from aqueous mixtures |
Publications (3)
Publication Number | Publication Date |
---|---|
DE69717976D1 true DE69717976D1 (de) | 2003-01-30 |
DE69717976T2 DE69717976T2 (de) | 2003-11-06 |
DE69717976T3 DE69717976T3 (de) | 2008-09-18 |
Family
ID=56289731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69717976T Expired - Lifetime DE69717976T3 (de) | 1996-02-17 | 1997-02-05 | Gewinnung von epsilon-caprolactam aus wässrigen gemischen |
Country Status (12)
Country | Link |
---|---|
US (1) | US6191274B1 (de) |
EP (1) | EP0891327B2 (de) |
JP (1) | JP2000512615A (de) |
KR (1) | KR100459817B1 (de) |
CN (1) | CN1085978C (de) |
AU (1) | AU1673997A (de) |
CA (1) | CA2246459A1 (de) |
DE (1) | DE69717976T3 (de) |
ES (1) | ES2188891T3 (de) |
ID (1) | ID16013A (de) |
TW (1) | TW420662B (de) |
WO (1) | WO1997030028A2 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU3870097A (en) | 1996-10-21 | 1998-05-15 | Dsm N.V. | Process to separate epsilon-caprolactam from 6-aminocaproamide and 6-aminocaproamide oligomers |
BE1011047A3 (nl) | 1997-03-17 | 1999-04-06 | Dsm Nv | Werkwijze voor het zuiveren van caprolactam. |
DE10021199A1 (de) * | 2000-05-03 | 2001-11-08 | Basf Ag | Verfahren zur Herstellung von Caprolactam |
US9418186B2 (en) | 2012-05-23 | 2016-08-16 | Exxonmobil Research And Engineering Company | Assessment of solute partitioning in crude oils |
CN104387322A (zh) * | 2014-10-21 | 2015-03-04 | 湖南百利工程科技股份有限公司 | 一种低副产硫酸铵的己内酰胺的制备方法 |
CN111122720B (zh) * | 2019-12-11 | 2022-09-02 | 湖北三宁碳磷基新材料产业技术研究院有限公司 | 己内酰胺、6-氨基己酰胺和6-氨基己腈的分析方法 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE913172C (de) † | 1942-08-19 | 1954-06-10 | Bobingen Ag Fuer Textil Faser | Verfahren zur Wiedergewinnung von Lactamen aus verduennten waessrigen Loesungen |
DE953168C (de) † | 1953-03-19 | 1956-11-29 | Stamicarbon | Verfahren zur Reinigung von Caprolactam |
DE1092018B (de) † | 1957-10-26 | 1960-11-03 | Stamicarbon | Verfahren zur Gewinnung von lactamoligomerhaltigen Lactamen |
CH446342A (de) † | 1963-11-29 | 1967-11-15 | Bayer Ag | Verfahren zum Herstellen reiner Lactame |
FR1419684A (fr) | 1964-09-03 | 1965-12-03 | Electrochimie Soc | Procédé perfectionné de fabrication d'epsilon-caprolactames |
LU55528A1 (de) * | 1967-04-22 | 1968-05-03 | ||
US3485821A (en) * | 1967-05-29 | 1969-12-23 | Techni Chem Co The | Process for preparing caprolactam and its alkyl substituted derivatives |
GB1198428A (en) * | 1967-07-18 | 1970-07-15 | Bp Chem Int Ltd | Solvent Extraction Process for Caprolactam |
FR2005035A1 (de) | 1968-03-29 | 1969-12-05 | Basf Ag | |
US3761467A (en) * | 1971-02-11 | 1973-09-25 | Allied Chem | Recovery of epsilon-caprolactam |
IT956940B (it) | 1972-06-28 | 1973-10-10 | Snia Viscosa | Procedimento per l estrazione di lattami da miscele acide di rea zione |
DE2333973A1 (de) † | 1973-07-04 | 1975-01-23 | Nikex Nehezipari Kulkere | Verfahren fuer die herstellung von lichtdurchlaessigen, dichten polykristallinischen aluminium-sinter-koerpern vornehmlich fuer leuchtroehren |
US4013640A (en) * | 1974-04-11 | 1977-03-22 | Union Carbide Corporation | Process for the recovery of amides |
NL7505130A (nl) * | 1975-05-01 | 1976-11-03 | Stamicarbon | Werkwijze voor de winning van zuiver epsilon- -caprolactam uit een waterige oplossing hiervan. |
JPS523261A (en) | 1975-06-24 | 1977-01-11 | Sumitomo Chem Co Ltd | Purification method for polluted water |
NL7700234A (nl) | 1977-01-12 | 1978-07-14 | Stamicarbon | Werkwijze voor het winnen van epsilon-caprolac- tam uit epsilon-caprolactam- bevattend destil- latieresidu. |
JPS6021146B2 (ja) * | 1977-05-10 | 1985-05-25 | 宇部興産株式会社 | ε−カプロラクタムの分離法 |
JPS6026103B2 (ja) * | 1978-03-29 | 1985-06-21 | 三菱化学株式会社 | ε−カプロラクタム及び硫安の回収方法 |
US4366306A (en) * | 1980-02-01 | 1982-12-28 | The Dow Chemical Company | Melt polymerization of ε-caprolactam |
SU1028668A1 (ru) * | 1981-04-14 | 1983-07-15 | Предприятие П/Я В-8919 | Способ извлечени капролактама из загр зненного органического растворител |
JPS60199873A (ja) * | 1984-03-23 | 1985-10-09 | Ube Ind Ltd | ε−カプロラクタムの回収方法 |
DE3534817A1 (de) † | 1985-09-30 | 1987-04-02 | Davy Mckee Ag | Verfahren zur herstellung von polyamid |
DE3602377A1 (de) | 1986-01-28 | 1987-07-30 | Basf Ag | Verfahren zur herstellung von caprolactam |
US5109104A (en) † | 1990-10-04 | 1992-04-28 | E. I. Du Pont De Nemours And Company | Preparation of polyamides from omega-aminonitriles |
RU1777600C (ru) * | 1991-02-25 | 1992-11-23 | Владимир Александрович Линев | Способ выделени капролактама из отработанного трихлорэтилена в производстве капролактама |
DE4215087A1 (de) * | 1992-05-07 | 1993-11-11 | Basf Ag | Verfahren zur Rückgewinnung von Caprolactam aus Polycaprolactam |
DE4441962A1 (de) † | 1994-11-25 | 1996-05-30 | Basf Ag | Verfahren zur Herstellung von Caprolactam |
NL1000781C2 (nl) † | 1995-07-12 | 1997-01-14 | Dsm Nv | Werkwijze voor het winnen van caprolactam uit nylon-6 bevattende afval. |
-
1997
- 1997-02-01 TW TW086101201A patent/TW420662B/zh not_active IP Right Cessation
- 1997-02-05 JP JP09529213A patent/JP2000512615A/ja not_active Ceased
- 1997-02-05 CA CA002246459A patent/CA2246459A1/en not_active Abandoned
- 1997-02-05 ES ES97902722T patent/ES2188891T3/es not_active Expired - Lifetime
- 1997-02-05 EP EP97902722A patent/EP0891327B2/de not_active Expired - Lifetime
- 1997-02-05 CN CN97193668A patent/CN1085978C/zh not_active Expired - Fee Related
- 1997-02-05 WO PCT/NL1997/000033 patent/WO1997030028A2/en active IP Right Grant
- 1997-02-05 DE DE69717976T patent/DE69717976T3/de not_active Expired - Lifetime
- 1997-02-05 KR KR10-1998-0706368A patent/KR100459817B1/ko not_active IP Right Cessation
- 1997-02-05 AU AU16739/97A patent/AU1673997A/en not_active Abandoned
- 1997-02-14 ID IDP970422A patent/ID16013A/id unknown
-
1998
- 1998-08-17 US US09/134,756 patent/US6191274B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69717976T3 (de) | 2008-09-18 |
EP0891327B1 (de) | 2002-12-18 |
ID16013A (id) | 1997-08-28 |
US6191274B1 (en) | 2001-02-20 |
DE69717976T2 (de) | 2003-11-06 |
CN1217712A (zh) | 1999-05-26 |
WO1997030028A2 (en) | 1997-08-21 |
KR100459817B1 (ko) | 2005-05-16 |
ES2188891T3 (es) | 2003-07-01 |
WO1997030028A3 (en) | 1997-09-25 |
CA2246459A1 (en) | 1997-08-21 |
EP0891327A2 (de) | 1999-01-20 |
AU1673997A (en) | 1997-09-02 |
CN1085978C (zh) | 2002-06-05 |
JP2000512615A (ja) | 2000-09-26 |
KR19990082629A (ko) | 1999-11-25 |
EP0891327B2 (de) | 2007-06-27 |
TW420662B (en) | 2001-02-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8363 | Opposition against the patent | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: DSM IP ASSETS B.V., HEERLEN, NL Owner name: E.I. DU PONT DE NEMOURS AND CO., WILMINGTON, DEL., |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: INVISTA TECHNOLOGIES S.A.R.L., ZWEIGNIEDERLASSUNG Owner name: E.I. DUPONT DE NEMOURS AND CO., WILMINGTON, DEL., |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: INVISTA TECHNOLOGIES S.A.R.L., ZWEIGNIEDERLASSUNG |
|
8366 | Restricted maintained after opposition proceedings | ||
8328 | Change in the person/name/address of the agent |
Representative=s name: MAIWALD GMBH PATENTANWAELTE, 80335 MUENCHEN |
|
8332 | No legal effect for de |