DIFF Subgroup
C10G 19/073 with solid alkaline material
Introduced: January 1980
Full Title
Full titles differ between systems:
IPC:
Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment > with solid alkaline material
CPC:
Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment > with solid alkaline material
No child classifications to compare. This is a leaf node in both IPC and CPC.