| IPC 6 English version |
 C10G 47/00 - C10G 67/16 |
| C10G06900-C10G07504 |
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| SECTION C– CHEMISTRY; METALLURGY |
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| C 10 | PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT |
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| C 10 G | CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION (cracking to hydrogen or synthesis gas C 01 B; cracking or pyrolysis of hydrocarbon gases to individual hydrocarbons or mixtures thereof of definite or specified constitution C 07 C; cracking to cokes C 10 B) |
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69/ | 00 | Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process (C 10 G 67/00 takes precedence) |
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69/ | 02 | . | plural serial stages only [3] |
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69/ | 04 | . | . | including at least one step of catalytic cracking in the absence of hydrogen [3] |
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69/ | 06 | . | . | including at least one step of thermal cracking in the absence of hydrogen [3] |
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69/ | 08 | . | . | including at least one step of reforming naphtha [3] |
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69/ | 10 | . | . | . | hydrocracking of higher boiling fractions into naphtha and reforming the naphtha obtained [3] |
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69/ | 12 | . | . | including at least one polymerisation or alkylation step [3] |
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69/ | 14 | . | plural parallel stages only [3] |
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70/ | 00 | Working-up undefined normally gaseous mixtures obtained by processes covered by groups C 10 G 9/00, C 10 G 11/00, C 10 G 15/00, C 10 G 47/00, C 10 G 51/00 [5] |
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70/ | 02 | . | by hydrogenation [5] |
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70/ | 04 | . | by physical processes [5] |
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70/ | 06 | . | . | by gas-liquid contact [5] |
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71/ | 00 | Treatment by methods not otherwise provided for of hydrocarbon oils or fatty oils for lubricating purposes (by Fischer-Tropsch C 07 C 1/00; lubricating compositions C 10 M) |
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71/ | 02 | . | Thickening by voltolising (chemical modification of drying-oils by voltolising C 09 F 7/04) [3] |
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71/ | 04 | (transferred to C 10 G 50/02) |
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73/ | 00 | Recovery or refining of mineral waxes, e.g. montan wax (compositions essentially based on waxes C 08 L 91/00) |
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73/ | 02 | . | Recovery of petroleum waxes from hydrocarbon oils; De-waxing of hydrocarbon oils [3] |
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73/ | 04 | . | . | with the use of filter aids [3] |
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73/ | 06 | . | . | with the use of solvents [3] |
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73/ | 08 | . | . | . | Organic compounds [3] |
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73/ | 10 | . | . | . | . | Hydrocarbons [3] |
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73/ | 12 | . | . | . | . | Oxygen-containing compounds [3] |
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73/ | 14 | . | . | . | . | Halogen-containing compounds [3] |
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73/ | 16 | . | . | . | . | Nitrogen-containing compounds [3] |
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73/ | 18 | . | . | . | . | containing sulfur, selenium or tellurium [3] |
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73/ | 20 | . | . | . | . | containing phosphorus [3] |
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73/ | 22 | . | . | . | . | Mixtures of organic compounds [3] |
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73/ | 23 | . | . | . | Recovery of used solvents [6] |
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73/ | 24 | . | . | by formation of adducts [3] |
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73/ | 26 | . | . | by flotation [3] |
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73/ | 28 | . | . | by centrifugal force [3] |
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73/ | 30 | . | . | with electric means [3] |
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73/ | 32 | . | . | Methods of cooling during de-waxing [3] |
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73/ | 34 | . | . | Controlling or regulating (controlling or regulating in general G 05) [3] |
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73/ | 36 | . | Recovery of petroleum waxes from other compositions containing oil in minor proportions, from concentrates or from residues; De-oiling, sweating [3] |
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73/ | 38 | . | Chemical modification of petroleum waxes [3] |
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73/ | 40 | . | Physical treatment of waxes or modified waxes, e.g. granulation, dispersion, emulsion, irradiation [3] |
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73/ | 42 | . | Refining of petroleum waxes [3] |
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73/ | 44 | . | . | in the presence of hydrogen or hydrogen-generating compounds [3] |
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75/ | 00 | Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general (C 10 G 7/10, C 10 G 9/16 take precedence; protection of pipes against corrosion or incrustation F 16 L 58/00) |
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75/ | 02 | . | by addition of corrosion inhibitors [6] |
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75/ | 04 | . | by addition of antifouling agents [6] |
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| C10G 47/00 - C10G 67/16 |  |
