Title:
テトラヒドロアゼピンを含む不純な6-アミノカプロニトリルからカプロラクタムを製造する方法
Document Type and Number:
Japanese Patent JP4961209
Kind Code:
B2
Abstract:
Method for making caprolactam from 6-aminocapronitrile that contains greater than 500 ppm tetrahydroazepine and its derivatives (THA) in which the THA is not removed from the method until after the caprolactam is produced.
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Inventors:
Gregory S. Kirby
John Jay Ostermeier
John Jay Ostermeier
Application Number:
JP2006517368A
Publication Date:
June 27, 2012
Filing Date:
June 17, 2004
Export Citation:
Assignee:
INVISTA TECHNOLOGIES S.a.r.l.
International Classes:
C07D201/08; B01D3/00; C07D201/16; C07D223/10
Domestic Patent References:
| JP9003042A | ||||
| JP7504415A | ||||
| JP10511668A |
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe