containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium

Full Title

Catalysts comprising molecular sieves > having base-exchange properties, e.g. crystalline zeolites, pillared clays > Crystalline aluminosilicate zeolites; Isomorphous compounds thereof > of the erionite or offretite type, e.g. zeolite T > containing arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium

Classification Context

Section:

PERFORMING OPERATIONS; TRANSPORTING

Class:

PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Subclass:

CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS