DIFF Subgroup
C01B 32/324 from waste materials, e.g. tyres or spent sulfite pulp liquor
Introduced: January 2017
Full Title
Full titles differ between systems:
IPC:
Carbon; Compounds thereof > Active carbon > Preparation > characterised by the starting materials > from waste materials, e.g. tyres or spent sulfite pulp liquor
CPC:
Carbon; Compounds thereof (C01B21/00, C01B23/00 take precedence; percarbonates C01B15/10; carbon black C09C1/48) > Active carbon > Preparation > characterised by the starting materials > from waste materials, e.g. tyres or spent sulfite pulp liquor
No child classifications to compare. This is a leaf node in both IPC and CPC.