Processes for preparing, regenerating, or reactivating

Introduced: January 1980

Title

Titles differ between systems:

IPC: Processes for preparing, regenerating or reactivating

CPC: Processes for preparing, regenerating, or reactivating

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

CPC:

CPC subdivides this area 7x more granularly than IPC with 11 additional codes.

11 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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B01J 20/3007 CPC only CPC only
B01J 20/3014 CPC only CPC only
B01J 20/3021 CPC only CPC only
B01J 20/3028 CPC only CPC only
B01J 20/3035 CPC only CPC only
B01J 20/3042 CPC only CPC only
B01J 20/305 +2 CPC CPC only CPC only
B01J 20/3071 CPC only CPC only
B01J 20/3078 CPC only CPC only
B01J 20/3085 CPC only CPC only
B01J 20/3092 CPC only CPC only
B01J 20/32 Impregnating or coating since 1980 +4 CPC IPC+CPC Available in IPC and CPC
B01J 20/34 Regenerating or reactivating since 1980 +8 CPC IPC+CPC Available in IPC and CPC