Patent ID: 7824574

Claim:
A process comprising: alternately contacting an oxygen-carrying catalyst with a reducing substance, or a lower partial pressure of an oxidizing gas, and then with said oxidizing gas or a higher partial pressure of said oxidizing gas, whereby the catalyst is alternately reduced and then regenerated to an oxygenated state, wherein said oxygen-carrying catalyst comprises at least one metal oxide-containing material selected from the group consisting of compounds having the formula Sr v La w B x B′ y B″ z O δ , wherein B=Co or Fe; B′=Al or Ga; B″=Cu; 0.01<v≦1.4; 0.1<w<1.6; 0.1<x<1.9; 0.01<y<0.9; 0≦z<2.2; and 3<δ<5.5; preparable by a method comprising co-precipitation; and wherein said reducing substance, when contacted with said oxygen-carrying catalyst, is converted to at least one chemical product.