专利名称：Composite oxide having oxygen absorbing
and desorbing capability
发明人：Yao, Shinya,Yokoi, Hideo申请号：EP95307053.9申请日：19951004公开号：EP0709351B1公开日：19990818
摘要：A composite oxide having oxygen absorbing and desorbing capability contains4.99-98.99% by weight of cerium oxide, 1-95% by weight of zirconium oxide and 0.01-20%by weight of hafnium oxide. The composite oxide includes Φ' phase as a crystal phase andhas oxygen absorbing and desorbing capability of at least 100 µmol/g at 400 to 700°C.
申请人：SANTOKU METAL IND
地址：JP
国籍：JP
代理机构：Hallybone, Huw George
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