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US 4,045,369 AGranted
Silver-based catalytic composition for the oxidation of ethylene to ethylene oxide and methanol to formaldehyde
AssigneeSaes Getters S.P.A.
InventorAngelo Cantaluppi
Life of this patent
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Abstract
A catalytic composition having up to 10% barium, strontium and/or calcium, up to 8% indium, balance silver useful in oxidation reactions.
Claims13
Catalytic composition based on silver comprising:
- A. from 0.001 to 10% based on the weight of silver of an oxide of a metal selected from the group consisting of barium, strontium and calcium,
- B. from 0.001 to 8% based on the weight of silver of an oxide of indium,
- C. the balance consisting essentially of silver.
Dependencies are inferred from the claim text.