DIFF Subgroup
C10G 19/02 with aqueous alkaline solutions
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment > with aqueous alkaline solutions
CPC:
Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment > with aqueous alkaline solutions
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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