US Patent 7347887 Oxygen sorbent compositions and methods of using same

Composites and methods useful for oxygen sorption and other uses are presented, the composites comprising:(A) one or more crystalline ceramic oxides selected from compounds within general formula (1):AxA′x′ByB′y′O3-δ and   (1)(B) one or more crystalline ceramic oxides selected from compounds within general formulas (2), (3), (4), (5), (6), (7), and (8):A2BO4-δ  (2)A2B2O5-δ  (3)AO(ABO3-δ)n  (4)AM2Cu3O7-δ  (5)Bi4V2(1-x)Me2xO11-3x,  (6)A″B″O3  (7)A2B2O7-δ.   (8)