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Patent Searching and Data


Title:
ENVIRONMENTALLY FRIENDLY PROCESS FOR THE HYDROGENATION OF DINITRILES
Document Type and Number:
WIPO Patent Application WO2002096862
Kind Code:
A3
Abstract:
Process for converting a dinitrile to a diamine and optionally an aminonitrile, in which a Group VIII element catalyst is treated with a modifier either before or during a substantially solvent-free hydrogenation reaction in which the dinitrile is contacted with hydrogen in the presence of the catalyst.

Inventors:
ALLGEIER ALAN M
KOCH THEODORE A
SENGUPTA SOURAV K
Application Number:
PCT/US2002/016374
Publication Date:
July 31, 2003
Filing Date:
May 24, 2002
Export Citation:
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Assignee:
DU PONT (US)
International Classes:
B01J25/02; C07B61/00; C07C209/48; B01J23/89; C07C211/12; C07C253/30; C07C255/24; C07C211/09; (IPC1-7): C07C253/30; C07C209/48; C07C211/12
Domestic Patent References:
WO2000064862A22000-11-02
WO1998043940A11998-10-08
Foreign References:
GB1164354A1969-09-17
US3773832A1973-11-20
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