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Tadatoshi Murota, Kazuhiro Yamamoto, Shigeru Aozasa: Compound oxide having oxygen absorbing and desorbing capability and method for preparing same. Santoku Metal, Darby & Darby, December 26, 1995: US05478543 (11 worldwide citation)

A compound oxide having oxygen absorbing and desorbing capability contains 4.99-98.99% by weight of cerium oxide, 1-95% by weight of zirconium oxide and 0.01-20% by weight of hafnium oxide. The compound oxide has an oxygen absorbing and desorbing capability of at least 100 .mu.mol/g at 400-700.degre ...


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Murota Tadatoshi, Yamamoto Kazuhiro, Aozasa Shigeru: Compound oxide having oxygen absorbing and desorbing capability and method for preparing same.. Santoku Metal, December 21, 1994: EP0629438-A2 (8 worldwide citation)

A compound oxide having oxygen absorbing and desorbing capability contains 4.99-98.99% by weight of cerium oxide, 1-95% by weight of zirconium oxide and 0.01-20% by weight of hafnium oxide. The compound oxide has an oxygen absorbing and desorbing capability of at least 100 mu mol/g at 400-700 DEG C ...