DIFF Subgroup
C21C 7/06 Deoxidising, e.g. killing
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Treating molten ferrous alloys, e.g. steel, not covered by groups > Removing impurities by adding a treating agent > Deoxidising, e.g. killing
CPC:
Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 (treating molten metals during moulding B22D1/00, B22D27/00; remelting ferrous metals C22B) > Removing impurities by adding a treating agent > Deoxidising, e.g. killing
No child classifications to compare. This is a leaf node in both IPC and CPC.