Full Title

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence) > of noble metals > combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 > Silver or gold > with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium