Purification

Introduced: January 2017

Full Title

Full titles differ between systems:

IPC:

Carbon; Compounds thereof > Active carbon > After-treatment > Purification

CPC:

Carbon; Compounds thereof (C01B21/00, C01B23/00 take precedence; percarbonates C01B15/10; carbon black C09C1/48) > Active carbon > After-treatment > Purification

No child classifications to compare. This is a leaf node in both IPC and CPC.