DIFF Subgroup
C10G 17/09 with acid salts
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Refining of hydrocarbon oils, in the absence of hydrogen, with acids, acid-forming compounds, or acid-containing liquids, e.g. acid sludge > with acid salts
CPC:
Refining of hydrocarbon oils in the absence of hydrogen, with acids, acid-forming compounds or acid-containing liquids, e.g. acid sludge > with acid salts
No child classifications to compare. This is a leaf node in both IPC and CPC.