Descriptions for C10G and notes/indexes are displayed on this screen.
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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[6]
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Note(s)
In this subclass:[3]groups C10G 9/00-C10G 49/00 are limited to one-step processes;combined or multi-step processes are covered by groups C10G 51/00-C10G 69/00;refining or recovery of mineral waxes is covered by group C10G 73/00 In this subclass, the following terms or expressions are used with the meanings indicated:"in the presence of hydrogen" or "in the absence of hydrogen" mean treatments in which hydrogen, in free form or as hydrogen generating compounds, is added, or not added, respectively;"hydrotreatment" is used for conversion processes as defined in group C10G 45/00 or group C10G 47/00;"hydrocarbon oils" covers mixtures of hydrocarbons such as tar oils or mineral oils In this subclass, the last place priority rule is applied, i e at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place
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Subclass indexes
PRODUCTION OF LIQUID HYDROCARBON MIXTURES | 1/00-5/00, 50/00 | DISTILLATION OF HYDROCARBON OILS | 7/00 | CRACKING | 9/00-15/00, 47/00 | REFINING HYDROCARBON OILS | by treatment with acids, with alkalis | 17/00, 19/00 | by extraction with solvents or adsorptive solids | 21/00, 25/00 | by reaction with hydrogen, by oxidation or by other chemical reaction | 27/00, 29/00, 45/00, 49/00 | Other processes | 31/00, 32/00, 33/00 | REFORMING | 35/00, 59/00-63/00 | MULTI-STEP PROCESSES | 51/00-69/00 | OTHER PROCESSES | 70/00, 71/00 | TREATING MINERAL WAXES | 73/00 | INHIBITING CORROSION | 75/00 | SUBJECT MATTER NOT PROVIDED FOR IN OTHER GROUPS OF THIS SUBCLASS | 99/00 |
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