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chemistry (332789) 332789
cracking hydrocarbon oils (332789) 332789
fuels (332789) 332789
lubricants (332789) 332789
metallurgy (332789) 332789
mineral waxes (332789) 332789
peat (332789) 332789
petroleum, gas or coke industries (332789) 332789
production of liquid hydrocarbon mixtures, e.g. by destructivehydrogenation, oligomerisation, polymerisation (332789) 332789
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refining mixtures mainly consisting of hydrocarbons (332789) 332789
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adding materials to fuels or fires to reduce smoke orundesirable deposits or to facilitate soot removal (30698) 30698
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synthetic natural gas obtained by processes not covered bysubclasses c10g, c10k (30698) 30698
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destructive distillation of carbonageous materials forproduction of gas, coke, tar, or similar materials (13616) 13616
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technical subjects covered by former uspc cross-reference artcollections [xracs] and digests (11684) 11684
reduction of greenhouse gas [ghg] emissions, related to energygeneration, transmission or distribution (10436) 10436
lubricating compositions (8998) 8998
use of chemical substances either alone or as lubricatingingredients in a lubricating composition (8998) 8998
carburetting air or other gases (7590) 7590
production of producer gas, water-gas, synthesis gas fromsolid carbonaceous material, or mixtures containing these gases (7590) 7590
treatment of water, waste water, sewage, or sludge (6330) 6330
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animal and vegetable oils, fats, fatty substances and waxes (5959) 5959
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fatty acids therefrom (5959) 5959
purifying or modifying the chemical composition of combustiblegases containing carbon monoxide (5844) 5844
physics (5025) 5025
disposal of solid waste (5024) 5024
reclamation of contamined soil soil (5024) 5024
fixed constructions (4569) 4569
after-treatment not covered by subclasses c08b, c08c, c08f,c08g (4422) 4422
general processes of compounding (4422) 4422
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combustion apparatus (4390) 4390
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pyroligneous acid (4303) 4303
working-up pitch, asphalt, bitumen, tar (4303) 4303
earth drilling (4243) 4243
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earth drilling, e.g. deep drilling (4134) 4134
obtaining oil, gas, water, soluble or meltable materials or aslurry of minerals from wells (4134) 4134
materials for miscellaneous applications, not provided forelsewhere (4092) 4092
climate change mitigation technologies related to wastewatertreatment or waste management (4058) 4058
combustion engines (3964) 3964
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electricity (3927) 3927
beer (3919) 3919
biochemistry (3919) 3919
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mutation or genetic engineering (3919) 3919
spirits (3919) 3919
vinegar (3919) 3919
wine (3919) 3919
heat exchange in general (3746) 3746
macromolecular compounds obtained by reactions only involvingcarbon-to-carbon unsaturated bonds (3589) 3589
human necessities (3452) 3452
fats, oils or fatty acids by chemical modification of fats,oils, or fatty acids obtained therefrom (3132) 3132
fatty acids from fats, oils or waxes (3132) 3132
indexing scheme associated with subclass c10m relating to lubricatingcompositions (3093) 3093
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03/2018
... هيدروجين معا مع على الأقل منظم ميوعة, تحت ضغط و حرارة لإنتاج هيدروكربونات. A METHOD OF IN-SITU PROCESSING OF A SUBTERRANEAN OIL SHALE FORMATION TO PRODUCE HYDROCARBONS COMPRISING CONTACTING THE OIL SHALE WITH (i... 
TECHNICAL GASES CONTAINING CARBON MONOXIDE | RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES | MINERAL WAXES | CRACKING HYDROCARBON OILS | LUBRICANTS | PEAT | METALLURGY | REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS | PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION | CHEMISTRY | PETROLEUM, GAS OR COKE INDUSTRIES | REFORMING OF NAPHTHA | FUELS
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