AU5082599A - Separation of epsilon caprolactam from isomers - Google Patents

Separation of epsilon caprolactam from isomers

Info

Publication number
AU5082599A
AU5082599A AU50825/99A AU5082599A AU5082599A AU 5082599 A AU5082599 A AU 5082599A AU 50825/99 A AU50825/99 A AU 50825/99A AU 5082599 A AU5082599 A AU 5082599A AU 5082599 A AU5082599 A AU 5082599A
Authority
AU
Australia
Prior art keywords
isomers
separation
epsilon caprolactam
caprolactam
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.)
Abandoned
Application number
AU50825/99A
Inventor
George Ernest Ii Keller
Jay Fingeret Miller
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.)
Union Carbide Chemicals and Plastics Technology LLC
Original Assignee
Union Carbide Chemicals and Plastics Technology LLC
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
Priority claimed from US09/094,651 external-priority patent/US6045703A/en
Priority claimed from US09/094,650 external-priority patent/US6036865A/en
Application filed by Union Carbide Chemicals and Plastics Technology LLC filed Critical Union Carbide Chemicals and Plastics Technology LLC
Publication of AU5082599A publication Critical patent/AU5082599A/en
Abandoned 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Hydrogenated Pyridines (AREA)
AU50825/99A 1998-06-15 1999-06-14 Separation of epsilon caprolactam from isomers Abandoned AU5082599A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/094,651 US6045703A (en) 1998-06-15 1998-06-15 Separation processes
US09094651 1998-06-15
US09094650 1998-06-15
US09/094,650 US6036865A (en) 1998-06-15 1998-06-15 Separation processes
PCT/US1999/013407 WO1999065873A1 (en) 1998-06-15 1999-06-14 Separation of epsilon caprolactam from isomers

Publications (1)

Publication Number Publication Date
AU5082599A true AU5082599A (en) 2000-01-05

Family

ID=26789113

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50825/99A Abandoned AU5082599A (en) 1998-06-15 1999-06-14 Separation of epsilon caprolactam from isomers

Country Status (10)

Country Link
EP (1) EP1087942A1 (en)
JP (1) JP2002518372A (en)
KR (1) KR20010052680A (en)
CN (1) CN1312798A (en)
AU (1) AU5082599A (en)
BR (1) BR9911231A (en)
CA (1) CA2335114A1 (en)
ID (1) ID29234A (en)
PL (1) PL344860A1 (en)
WO (1) WO1999065873A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10021199A1 (en) 2000-05-03 2001-11-08 Basf Ag Process for the production of caprolactam
DE10021192A1 (en) * 2000-05-03 2001-11-08 Basf Ag Process for the production of caprolactam
DE10253094A1 (en) 2002-11-13 2004-05-27 Basf Ag Purification of crude caprolactam comprises a three stage distillation process with feeding of the crude caprolactam and an inorganic acid having a b. pt. above the b. pt. of the caprolactam to a first distillation column
DE10253095A1 (en) 2002-11-13 2004-06-17 Basf Ag Process for the purification of caprolactam
CN101070298B (en) * 2006-05-12 2012-01-25 中国石油化工股份有限公司 Method for purifying and refining epsi-caprolactam
KR101671539B1 (en) * 2008-09-04 2016-11-01 캡 쓰리 비 브이 Washing of an organic phase comprising caprolactam
JP2012517397A (en) 2009-02-06 2012-08-02 ポステック アカデミー−インダストリー ファンデーション Selective separation method of hydrogen or helium with natrolite-based zeolite and novel natrolite-based zeolite
KR101130120B1 (en) * 2009-09-10 2012-03-28 포항공과대학교 산학협력단 A selective H2 or He separation method using natrolite-type zeolites as adsorbents and A new natrolite-type zeolite
JP2011201865A (en) * 2010-03-02 2011-10-13 Sumitomo Chemical Co Ltd METHOD FOR PRODUCING epsi-CAPROLACTAM
CN108658863A (en) * 2018-04-24 2018-10-16 河北美邦工程科技股份有限公司 A method of purifying caprolactam using fused junction crystallization
CN111574419B (en) * 2020-06-16 2021-08-27 河北美邦工程科技股份有限公司 Method for recovering and refining caprolactam monomer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB824207A (en) * 1956-03-06 1959-11-25 Basf Ag Improvements in or relating to dilactams and polyamides prepared therefrom
TW268941B (en) * 1993-08-20 1996-01-21 Sumitomo Chemical Co
JPH1135554A (en) * 1997-07-15 1999-02-09 Unitika Ltd Recovery of epsilon-caprolactam

Also Published As

Publication number Publication date
BR9911231A (en) 2001-03-06
CA2335114A1 (en) 1999-12-23
PL344860A1 (en) 2001-11-19
KR20010052680A (en) 2001-06-25
ID29234A (en) 2001-08-16
EP1087942A1 (en) 2001-04-04
WO1999065873A1 (en) 1999-12-23
JP2002518372A (en) 2002-06-25
CN1312798A (en) 2001-09-12

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase