Chromium, molybdenum or tungsten

Full Title

Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 (B01J21/16 takes precedence) > of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium > Chromium, molybdenum or tungsten

Child Classifications

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• B01J 23/26 Chromium
• B01J 23/28 Molybdenum
• B01J 23/30 Tungsten
• B01J 23/31 combined with bismuth