comprising silica or silicate

Introduced: January 1980

Last revised: January 2006

Full Title

Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof > comprising inorganic material > comprising silica or silicate

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

3 direct subcodes

Child Classifications

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B01J 20/12 Naturally occurring clays or bleaching earth
B01J 20/14 Diatomaceous earth
B01J 20/16 Alumino-silicates