DIFF Subgroup
B01J 20/04 comprising compounds of alkali metals, alkaline earth metals or magnesium
Introduced: January 1980
Full Title
Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof > comprising inorganic material > comprising compounds of alkali metals, alkaline earth metals or magnesium
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.
Child Classifications
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