ClassID:

105622

C10G67/0427 - CPC Classification

Classification description:

Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including solvent extraction as the refining step in the absence of hydrogen; Extraction of unsaturated hydrocarbons The hydrotreatment being a selective hydrogenation of diolefins or acetylenes

Recent Application in this class: