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US 5,496,789 AGranted
Hydrogenation catalyst based on a platinum metal partially poisoned with finely divided sulfur
AssigneeBASF SE
InventorsFranz-Josef Weiss, Hugo Fuchs, Gerald Neubauer, Heinz-Walter Schneider
Life of this patent
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Abstract
A hydrogenation catalyst, obtainable by carrying out essentially the following steps: (a) treatment of a platinum metal salt with finely divided sulfur followed by (b) reduction of the platinum metal salt to metallic platinum metal.
Claims6
A process for the preparation of a hydrogenation catalyst consisting essentially of
- (a) treating a platinum metal salt with finely divided sulfur, and
- (b) reducing the treated platinum metal salt to metallic platinum metal.
Dependencies are inferred from the claim text.