IN162723B - - Google Patents

Info

Publication number
IN162723B
IN162723B IN668/MAS/84A IN668MA1984A IN162723B IN 162723 B IN162723 B IN 162723B IN 668MA1984 A IN668MA1984 A IN 668MA1984A IN 162723 B IN162723 B IN 162723B
Authority
IN
India
Application number
IN668/MAS/84A
Other languages
English (en)
Inventor
A G M Jetten
O G Plantema
N F Haasen
Original Assignee
Stamicarbon
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 Stamicarbon filed Critical Stamicarbon
Publication of IN162723B publication Critical patent/IN162723B/en

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)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pyrrole Compounds (AREA)
IN668/MAS/84A 1983-08-31 1984-08-31 IN162723B (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8303028A NL8303028A (nl) 1983-08-31 1983-08-31 Winning van caprolactam uit caprolactam-bevattend destillatie-residu.

Publications (1)

Publication Number Publication Date
IN162723B true IN162723B (ko) 1988-07-02

Family

ID=19842326

Family Applications (1)

Application Number Title Priority Date Filing Date
IN668/MAS/84A IN162723B (ko) 1983-08-31 1984-08-31

Country Status (9)

Country Link
US (1) US4563308A (ko)
EP (1) EP0138241A3 (ko)
JP (1) JPS60155155A (ko)
KR (1) KR860001467B1 (ko)
BR (1) BR8404332A (ko)
CA (1) CA1221365A (ko)
ES (1) ES535516A0 (ko)
IN (1) IN162723B (ko)
NL (1) NL8303028A (ko)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729853A1 (de) * 1987-09-05 1989-03-23 Basf Ag Verfahren zur aufarbeitung von destillationsrueckstaenden, die bei der reinigung von caprolactam anfallen
DE3925575A1 (de) * 1989-08-02 1991-02-07 Basf Ag Verfahren zur kontinuierlichen reinigung von caprolactam
ATE183501T1 (de) * 1993-06-04 1999-09-15 Dsm Nv Wiedergewinnung von epsilon-caprolactam aus teppichabfallen
BE1007298A3 (nl) * 1993-07-19 1995-05-09 Dsm Nv Werkwijze voor het zuiveren van een water-epsilon-caprolactam mengsel.
TW268941B (ko) * 1993-08-20 1996-01-21 Sumitomo Chemical Co
US6369192B1 (en) 1995-10-27 2002-04-09 Praxair Technology, Inc. Methods for removing contaminants from polymers
DE19623662A1 (de) * 1996-06-13 1997-12-18 Basf Ag Verfahren zur Reinigung von epsilon-Caprolactam
US6132884A (en) * 2000-01-14 2000-10-17 Ticona Llc Process for producing amorphous anisotrophic melt-forming polymers having a high degree of stretchability and polymers produced by same
US6294640B1 (en) 2000-01-14 2001-09-25 Ticona Llc Stretchable polymers and shaped articles produced by same
US6222000B1 (en) 2000-01-14 2001-04-24 Ticona Llc Process for producing amorphous anisotropic melt-forming polymers having a high degree of stretchability
US6207790B1 (en) 2000-01-14 2001-03-27 Ticona Llc Process for producing amorphous anisotropic melt-forming polymers having a high degree of stretchability and polymers produced by same
AU2002347653A1 (en) * 2001-11-26 2003-06-10 Dsm Ip Assets B.V. Process for recovering caprolactam
US7022844B2 (en) 2002-09-21 2006-04-04 Honeywell International Inc. Amide-based compounds, production, recovery, purification and uses thereof
ATE465145T1 (de) * 2003-07-25 2010-05-15 Dsm Ip Assets Bv Verfahren zur aufreinigung von caprolactam
TWI520944B (zh) * 2015-02-13 2016-02-11 中國石油化學工業開發股份有限公司 己內醯胺之製造方法及其系統
CN116075407A (zh) 2020-07-15 2023-05-05 陶氏环球技术有限责任公司 用于从受污染的热塑性塑料中去除污染物的方法
CN114516838B (zh) * 2022-02-24 2024-01-23 江苏扬农化工集团有限公司 一种环己酮肟气相重排产物残渣的资源化利用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1133212A (fr) * 1954-11-04 1957-03-25 Stamicarbon Procédé pour l'épuration de caprolactame
FR1337527A (fr) * 1962-08-27 1963-09-13 Snia Viscosa Procédé de purification du caprolactame
DE2443341C3 (de) * 1974-09-11 1979-05-17 Basf Ag, 6700 Ludwigshafen Verfahren zur Reinigung von Rohcaprolactam
DE2845019A1 (de) * 1978-10-16 1980-04-30 Basf Ag Verfahren zur kontinuierlichen herstellung von epsilon -caprolactam durch beckmann'sche umlagerung
DE2915360A1 (de) * 1979-04-14 1980-10-30 Basf Ag Verfahren zur herstellung von caprolactam
NL8102280A (nl) * 1981-05-09 1982-12-01 Stamicarbon Werkwijze voor het zuiveren van epsilon-caprolactam.

Also Published As

Publication number Publication date
EP0138241A2 (en) 1985-04-24
KR860001467B1 (ko) 1986-09-26
KR850001899A (ko) 1985-04-10
BR8404332A (pt) 1985-07-30
ES8505339A1 (es) 1985-05-16
JPS60155155A (ja) 1985-08-15
US4563308A (en) 1986-01-07
EP0138241A3 (en) 1987-06-03
ES535516A0 (es) 1985-05-16
CA1221365A (en) 1987-05-05
NL8303028A (nl) 1985-03-18

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