CPC Subgroup
B01J 20/02 comprising inorganic material
Full Title
Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof > comprising inorganic material
5 direct subcodes
Child Classifications
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- B01J 20/04 comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J 20/06 comprising oxides or hydroxides of metals not provided for in group B01J20/04
- B01J 20/10 comprising silica or silicate
- B01J 20/20 comprising free carbon; comprising carbon obtained by carbonising processes