| http://www.w3.org/ns/prov#value | - Thus, the present invention provides a process for hydrogenating a conjugated diene polymer, which is characterized by using a catalyst prepared by supporting both Pd and at least one metal selected from the group consisting of the metals of Groups Ia, IIa, IIIa, IIIb, IVa, Va and VIa of the periodic table, Ge and Sb on a porous powdery or granular carrier such as carbon, silica or alumina.
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