B01J 20/3231 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

B01J 20/3231

Full Title

Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof > Processes for preparing, regenerating, or reactivating > Impregnating or coating

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

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