DIFF Subgroup
C01B 32/05 Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
Introduced: January 2017
Title
Titles differ between systems:
IPC: Preparation or purification of carbon not covered by groups , , ,
CPC: Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
Full Title
Full titles differ between systems:
IPC:
Carbon; Compounds thereof > Preparation or purification of carbon not covered by groups , , ,
CPC:
Carbon; Compounds thereof (C01B21/00, C01B23/00 take precedence; percarbonates C01B15/10; carbon black C09C1/48) > Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
No child classifications to compare. This is a leaf node in both IPC and CPC.