DIFF Subgroup
B01J 20/34 Regenerating or reactivating
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof > Processes for preparing, regenerating or reactivating > Regenerating or reactivating
CPC:
Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof > Processes for preparing, regenerating, or reactivating > Regenerating or reactivating
Of 8 combined children, 0 exist in both systems.
8 codes are CPC-only extensions.
Child Classifications
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