Title:
ジニトリルの水素化方法
Document Type and Number:
Japanese Patent JP3891780
Kind Code:
B2
Abstract:
The present invention relates to a process for the hydrogenation of aliphatic dinitriles at least partly into corresponding aminonitriles. More specifically, the invention consists of a continuous process for the hydrogenation of dinitrile, at least partly into corresponding aminonitrile, in the presence of a hydrogenation catalyst which is not dissolved in the reaction medium, characterized in that it is carried out in apparatus comprising means for the continuous separation of the hydrogenate and of the catalyst in a zone in which the gas-liquid transfer is limited or zero, the said separation and the recycling of the catalyst being carried out in a period of time less than or equal to 30 minutes.
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Inventors:
Vincent Bocha
Philippe Lecomte
Daniel Rochette
Lionel Seve
Philippe Lecomte
Daniel Rochette
Lionel Seve
Application Number:
JP2000522075A
Publication Date:
March 14, 2007
Filing Date:
November 19, 1998
Export Citation:
Assignee:
Rhodia Polyamide Intermedium
International Classes:
B01J15/00; B01J10/00; C07C253/30; B01J19/24; C07C209/48; C07C255/24; C07C211/12
Domestic Patent References:
| JP6507909A | ||||
| JP10502671A | ||||
| JP10511372A | ||||
| JP51041589B1 | ||||
| JP10113551A | ||||
| JP59181242A |
Attorney, Agent or Firm:
Motohiro Kurauchi
Hiroshi Kazama
Hiroshi Kazama