JP4257988B2 - ε―カプロラクタムの精製方法 - Google Patents

ε―カプロラクタムの精製方法 Download PDF

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Publication number
JP4257988B2
JP4257988B2 JP2000194267A JP2000194267A JP4257988B2 JP 4257988 B2 JP4257988 B2 JP 4257988B2 JP 2000194267 A JP2000194267 A JP 2000194267A JP 2000194267 A JP2000194267 A JP 2000194267A JP 4257988 B2 JP4257988 B2 JP 4257988B2
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Prior art keywords
lactam
ppm
caprolactam
crude
less
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Japanese (ja)
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JP2002012585A5 (enExample
JP2002012585A (ja
Inventor
正美 深尾
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Sumitomo Chemical Co Ltd
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Sumitomo Chemical Co Ltd
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Priority to JP2000194267A priority Critical patent/JP4257988B2/ja
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Publication of JP2002012585A5 publication Critical patent/JP2002012585A5/ja
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Expired - Fee Related legal-status Critical Current

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  • Other In-Based Heterocyclic Compounds (AREA)
JP2000194267A 2000-06-28 2000-06-28 ε―カプロラクタムの精製方法 Expired - Fee Related JP4257988B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000194267A JP4257988B2 (ja) 2000-06-28 2000-06-28 ε―カプロラクタムの精製方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000194267A JP4257988B2 (ja) 2000-06-28 2000-06-28 ε―カプロラクタムの精製方法

Publications (3)

Publication Number Publication Date
JP2002012585A JP2002012585A (ja) 2002-01-15
JP2002012585A5 JP2002012585A5 (enExample) 2004-11-18
JP4257988B2 true JP4257988B2 (ja) 2009-04-30

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JP2000194267A Expired - Fee Related JP4257988B2 (ja) 2000-06-28 2000-06-28 ε―カプロラクタムの精製方法

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JP (1) JP4257988B2 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102892752B (zh) * 2010-03-15 2015-03-25 宇部兴产株式会社 制备酰胺化合物的方法
JP6003755B2 (ja) * 2012-12-19 2016-10-05 東レ株式会社 ラクタムの精製方法

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Publication number Publication date
JP2002012585A (ja) 2002-01-15

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