Armstrong, Nikaido, Marmelstein & Kubovcik
Process for producing catalyst
 A catalyst for hydrogenation of nitriles with a high activity is produced by heating dicobalt octacarbonyl together with an aromatic nitrile at a temperature of 100.degree.-200.degree. C. in the absence of oxygen gas. 
Mitsubishi Gas Chemical Company, Inc.
B B B C B B
B01J B01J B01J C07C B01J B01J
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Masao Yuuzi Yuko
Saito Onda Murayama