IPC Subgroup
C10G 21/12 Organic compounds only
Introduced: September 1968
Last revised: January 2006
Full Title
Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents > characterised by the solvent used > Organic compounds only
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- Subclass:
- CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
8 direct subcodes
Child Classifications
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- C10G 21/14 Hydrocarbons
- C10G 21/16 Oxygen-containing compounds
- C10G 21/18 Halogen-containing compounds
- C10G 21/2 Nitrogen-containing compounds
- C10G 21/22 Compounds containing sulfur, selenium, or tellurium
- C10G 21/24 Phosphorus-containing compounds
- C10G 21/26 Silicon-containing compounds
- C10G 21/27 Organic compounds not provided for in a single one of groups