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US RE36,330 EGranted
Noble metal supported on a base metal catalyst
AssigneeWitco Corporation
InventorsJames S. Ritscher, Wei T. Yang, George M. Omietanski, Robert L. Ocheltree, Earl E. Malson
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Abstract
The present invention provides an electroless process for making a catalyst in a liquid or gaseous medium comprising contacting a base metal with a chemical cleaning agent and simultaneously or sequentially treating said base metal under reducing conditions with a noble metal-containing material, the catalyst prepared using the process, and a method of using the catalyst.
Claims26
An electroless process for making a catalyst having a noble metal deposited on a base metal which process comprises in a liquid or gaseous medium;
- (1) contacting a base metal with a cleaning agent selected from the group consisting of a chlorosilane, and an alkoxysilane ..and a non-oxidizing acid.!., and
- (2) treating said base metal under reducing conditions with a noble metal containing material.
Dependencies are inferred from the claim text.