Patent ID: 11883799
Assignee: UNIVERSITY OF NEWCASTLE UPON TYNE
Field: Chemical engineering (Chemistry)
Classification: CPC B  F | IPC B  F

Claim 2:
3. A catalyst according to claim 1, wherein M1 and M2 are each independently chosen from (i) calcium, strontium, barium, lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium and ytterbium; (ii) calcium, strontium, barium, lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium and ytterbium; (iii) calcium, strontium, barium, lanthanum, cerium, praseodymium and neodymium; or (iv) lanthanum and cerium.