CPC Subgroup
B01J 20/10 comprising silica or silicate
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
4 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 (B01J20/12 takes precedence)