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US 4,544,773 AGranted
Process for producing formaldehyde
AssigneeSumitomo Chemical Company, Limited
InventorMasakazu Sagou
Life of this patent
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Abstract
An improved process for producing formaldehyde in a gas-phase reaction wherein the dehydrogenation of methanol is conducted with a catalyst, which is zinc oxide and/or indium oxide or a mixture of silica and one or more of these oxide, to give formaldehyde in a high yield.
Claims17
A process for producing formaldehyde which comprises dehydrogenating methanol in a gaseous atmosphere in the absence of oxygen and in the presence of a metal oxide catalyst obtained by baking a nitrate or organic salt of zinc, indium or of both zinc and indium at a temperature of at least 400.degree. C.
Dependencies are inferred from the claim text.