PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT

Description

Class C10 covers industrial processes and products related to petroleum refining, coal carbonization, natural gas processing, and synthetic fuel production. It encompasses technical gases containing carbon monoxide, liquid and solid fuels derived from fossil sources or synthetic routes, lubricating oils and greases, and peat extraction and processing. The class includes technologies for fuel composition, combustion properties, additives, quality control, and storage—but excludes metallurgical processes using coke (covered in C21-C25) and mineral oils used in non-fuel applications (covered in C10L and related pharmaceutical/cosmetic divisions).

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

7 shared codes have differing titles between IPC and CPC.

Child Classifications

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C10B DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS (cracking oils C10G; underground gasification of minerals E21B43/295) heading IPC+CPC Available in IPC and CPC
C10C WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID (compositions of bituminous materials C08L95/00; carbon filaments by decomposition of organic filaments D01F9/14) heading IPC+CPC Available in IPC and CPC
C10F DRYING OR WORKING-UP OF PEAT heading IPC+CPC Available in IPC and CPC
C10G CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION (cracking to hydrogen or synthesis gas C01B; cracking or pyrolysis of hydrocarbon gases to individual hydrocarbons or mixtures thereof of definite or specified constitution C07C; cracking to cokes C10B); RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES heading +2 CPC IPC+CPC Available in IPC and CPC
C10H PRODUCTION OF ACETYLENE BY WET METHODS heading IPC+CPC Available in IPC and CPC
C10J PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES (synthesis gas from liquid or gaseous hydrocarbons C01B; underground gasification of minerals E21B43/295); CARBURETTING AIR OR OTHER GASES heading +2 CPC IPC+CPC Available in IPC and CPC
C10K PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE heading IPC+CPC Available in IPC and CPC
C10L FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K; LIQUIFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS heading +6 CPC IPC+CPC Available in IPC and CPC
C10M LUBRICATING COMPOSITIONS (well drilling compositions C09K8/02); USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION (mould release, i.e. separating, agents for metals B22C3/00, for plastics or substances in a plastic state, in general B29C33/56, for glass C03B40/02; textile lubricating compositions D06M11/00, D06M13/00, D06M15/00; immersion oils for microscopy G02B21/33) heading +20 CPC IPC+CPC Available in IPC and CPC
C10N INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS heading since 1985 +8 CPC −8 IPC IPC+CPC Available in IPC and CPC