DE69127720D1 - Methode zur Reinigung von organischen Lösungen, die Laktame enthalten - Google Patents

Methode zur Reinigung von organischen Lösungen, die Laktame enthalten

Info

Publication number
DE69127720D1
DE69127720D1 DE69127720T DE69127720T DE69127720D1 DE 69127720 D1 DE69127720 D1 DE 69127720D1 DE 69127720 T DE69127720 T DE 69127720T DE 69127720 T DE69127720 T DE 69127720T DE 69127720 D1 DE69127720 D1 DE 69127720D1
Authority
DE
Germany
Prior art keywords
solutions containing
organic solutions
cleaning organic
containing lactams
lactams
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 - Fee Related
Application number
DE69127720T
Other languages
English (en)
Other versions
DE69127720T2 (de
Inventor
Kazuhiko Hirosawa
Yasuhiro Kurokawa
Tomohiko Yamamoto
Marsaru Matsunishi
Yoshihiro Nawata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ube Corp
Original Assignee
Ube Industries Ltd
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.)
Filing date
Publication date
Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Application granted granted Critical
Publication of DE69127720D1 publication Critical patent/DE69127720D1/de
Publication of DE69127720T2 publication Critical patent/DE69127720T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69127720T 1990-06-12 1991-06-10 Methode zur Reinigung von organischen Lösungen, die Laktame enthalten Expired - Fee Related DE69127720T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2151572A JP2782919B2 (ja) 1990-06-12 1990-06-12 ラクタム含有有機溶液の精製方法

Publications (2)

Publication Number Publication Date
DE69127720D1 true DE69127720D1 (de) 1997-10-30
DE69127720T2 DE69127720T2 (de) 1998-03-12

Family

ID=15521457

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127720T Expired - Fee Related DE69127720T2 (de) 1990-06-12 1991-06-10 Methode zur Reinigung von organischen Lösungen, die Laktame enthalten

Country Status (4)

Country Link
US (1) US5440032A (de)
EP (1) EP0461835B1 (de)
JP (1) JP2782919B2 (de)
DE (1) DE69127720T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1005927C2 (nl) * 1997-04-29 1998-11-02 Dsm Nv Werkwijze voor het winnen van caprolactam uit een geneutraliseerd omlegmengsel.
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
FR2803296B1 (fr) * 1999-12-30 2002-02-15 Rhodia Polyamide Intermediates Procede de purification de lactames
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
SE528389C2 (sv) * 2005-03-11 2006-10-31 Atlas Copco Rock Drills Ab Vridanordning för en bom till en gruv- eller entreprenadrigg jämte rigg
US9968535B2 (en) * 2007-10-26 2018-05-15 The Procter & Gamble Company Personal care compositions comprising undecyl sulfates
MX2010013985A (es) 2008-06-25 2011-01-21 Procter & Gamble Composicion acondicionadora para el cabello con punto de fluencia mas alto y tasa de conversion mas alta de compuesto graso a matriz de gel.
US20090324529A1 (en) * 2008-06-25 2009-12-31 Toshiyuki Okada Hair conditioning composition containing a salt of behenyl amidopropyl dimethylamine, and having higher yield point
WO2010141683A2 (en) * 2009-06-04 2010-12-09 The Procter & Gamble Company Multiple product system for hair
MX2011013220A (es) * 2009-06-08 2012-01-20 Procter & Gamble Proceso para fabricar una composicion de limpieza que emplea incorporacion directa de surfactantes concentrados.
CN102725286A (zh) * 2009-11-06 2012-10-10 拜耳作物科学公司 杀虫用芳基吡咯啉化合物
JP4638553B1 (ja) 2010-08-09 2011-02-23 株式会社アルテ 二室式容器兼用注射器の製造方法及びフロントストッパー

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2692878A (en) * 1954-10-26 Method forithe continuous produc-
US3145198A (en) * 1964-08-18 piija
US2786052A (en) * 1957-03-19 Process of purifying caprolactam
US2883377A (en) * 1959-04-21 Production of lactams from oxime
US2828307A (en) * 1958-03-25 Karl h
US2758991A (en) * 1956-08-14 Hvvevvtofry
US3060173A (en) * 1958-05-30 1962-10-23 Basf Ag Production of omega-amino dodecane acid lactam
DE1150986B (de) * 1959-10-02 1963-07-04 Basf Ag Verfahren zur Reinigung von waesserigen Lactamloesungen
CH426834A (de) * 1963-06-06 1966-12-31 Inventa Ag Verfahren zur Trennung von w-Dodecalactam/Cyclo-dodecancarbonsäure/Schwefelsäure-Gemischen
CH459223A (de) * 1965-11-03 1968-07-15 Inventa Ag Verfahren zur Herstellung von e-Caprolactam und w-Dodecalactam
CH468385A (de) * 1966-06-30 1969-02-15 Inventa Ag Verfahren zur gleichzeitigen Herstellung von e-Caprolactam und w-Decalactam
BE790692A (fr) * 1971-10-29 1973-04-27 Stamicarbon Procede d'obtention de lactames purs
JPS5121994A (en) * 1974-08-12 1976-02-21 Aika Kogyo Kk Danboorubakotono kaikosochi
US4120592A (en) * 1976-03-24 1978-10-17 E. I. Du Pont De Nemours And Company Multiplex optical analyzer apparatus

Also Published As

Publication number Publication date
JP2782919B2 (ja) 1998-08-06
DE69127720T2 (de) 1998-03-12
JPH0446152A (ja) 1992-02-17
EP0461835A3 (en) 1992-09-23
EP0461835A2 (de) 1991-12-18
US5440032A (en) 1995-08-08
EP0461835B1 (de) 1997-09-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee