Title:
【発明の名称】ε-カプロラクタムの製造方法
Document Type and Number:
Japanese Patent JPH0794428
Kind Code:
B2
Abstract:
epsilon -caprolactam is prepared by gas phase catalytic synthesis in which cyclohexanone oxime is brought into contact with crystalline alumino-silicate, for example, ZSM-5 (H<+> form) having a constraint index of 1 - 12, an Si/Al atomic ratio of 500 or more, preferably 1000 or more, and an external acid functionality of 5 micro equivalent/g or less, preferably 2 micro equivalent/g.
Inventors:
Hiroshi Sato
Kenichi Hirose
Norio Ishii
Youichi Umada
Kenichi Hirose
Norio Ishii
Youichi Umada
Application Number:
JP4092786A
Publication Date:
October 11, 1995
Filing Date:
February 25, 1986
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
B01J25/00; B01J29/035; B01J29/40; B01J29/70; C07B61/00; C07D201/04; (IPC1-7): C07D201/04
Domestic Patent References:
| JP57139062A | ||||
| JP58202048A | ||||
| JP59164617A |
Attorney, Agent or Firm:
Mitsuhiro Moroishi
Next Patent: JPH0794429