Invention Grant
US5212302A Process for producing epsilon-caprolactam and activating solid catalysts
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生产EPSILON-CAPROLACTAM和活化其固体催化剂的方法
- Patent Title: Process for producing epsilon-caprolactam and activating solid catalysts therefor
- Patent Title (中): 生产EPSILON-CAPROLACTAM和活化其固体催化剂的方法
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Application No.: US811627Application Date: 1991-12-23
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Publication No.: US5212302APublication Date: 1993-05-18
- Inventor: Masaru Kitamura , Hiroshi Ichihashi , Hideto Tojima
- Applicant: Masaru Kitamura , Hiroshi Ichihashi , Hideto Tojima
- Applicant Address: JPX Osaka
- Assignee: Sumitomo Chemical Company, Ltd.
- Current Assignee: Sumitomo Chemical Company, Ltd.
- Current Assignee Address: JPX Osaka
- Priority: JPX2-406823 19901226
- Main IPC: B01J29/035
- IPC: B01J29/035 ; B01J29/86 ; B01J29/87 ; B01J29/88 ; B01J29/90 ; B01J38/12 ; B01J38/66 ; C07D201/04
Abstract:
In the production of .epsilon.-caprolactam from cyclohexanon oxime in gaseous phase in the presence of solid catalysts, the catalysts, no matter whether they may have worked, are brought into contact with either aqueous solution of ammonium salts and at least one basic material or ammonia water.
Public/Granted literature
- US6039834A Apparatus and methods for upgraded substrate processing system with microwave plasma source Public/Granted day:2000-03-21
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