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IPC Subgroup
B01J 27/195

with vanadium, niobium or tantalum

Introduced: January 1985

Last revised: January 2006

Full Title

Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds > Phosphorus; Compounds thereof > with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium > with vanadium, niobium or tantalum

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

1 direct subcode

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