Catalysts, in general, characterised by their form or physical properties

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

Child Classifications

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• B01J 35/2 characterised by their non-solid state
• B01J 35/3 characterised by their physical properties
• B01J 35/4 characterised by dimensions, e.g. grain size
• B01J 35/5 characterised by their shape or configuration
• B01J 35/6 characterised by their surface properties or porosity
• B01J 35/7 characterised by their crystalline properties, e.g. semi-crystalline
• B01J 35/8 characterised by their amorphous structures