Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment

Introduced: September 1968

Title

Titles differ between systems:

IPC: Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment

CPC: Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment

Full titles differ between systems:

IPC:

Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment

CPC:

Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

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C10G 19/02 with aqueous alkaline solutions IPC+CPC Available in IPC and CPC
C10G 19/067 with molten alkaline material since 1980 IPC+CPC Available in IPC and CPC
C10G 19/073 with solid alkaline material since 1980 IPC+CPC Available in IPC and CPC
C10G 19/08 Recovery of used refining agents IPC+CPC Available in IPC and CPC

Class C10,2013–2023, worldwide · Source: EPO PATSTAT

Class C10,2013–2023, worldwide · Source: EPO PATSTAT