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Recovery of oil from a shale containing the same

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Including contact of feed with liquid produced in the...
Patent

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Retorting with sintered or fused solids

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified agitation or circulation in gas contact zone
Patent

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Separation of fine solids from petroleum oils and the like

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified procedure to improve separation of solids from...
Patent

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Separation of oil and precious metals from mined oil-bearing roc

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified agitation or circulation in gas contact zone
Patent

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Single-step coal liquefaction process

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – With hydrogen production from water
Patent

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Single-step coal liquefaction process

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – With hydrogen production from water
Patent

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Sludge liquefaction process and agents

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Including contact with extraneous additive other than...
Patent

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Slurry-phase gasification of carbonaceous materials using ultras

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Using electrical – magnetic or wave energy
Patent

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Solvent extraction of organic oils and solvent recovery

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified agitation or circulation in gas contact zone
Patent

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Static mixer retorting of oil shale

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified agitation or circulation in gas contact zone
Patent

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Static mixer retorting of oil shale

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Including burning of feed or product
Patent

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Steam stripping process for solids separation in oil shale proce

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified agitation or circulation in gas contact zone
Patent

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Surfactant for bitumen separation

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Including contact with extraneous additive other than...
Reexamination Certificate

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Syncrude dedusting extraction

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified procedure to improve separation of solids from...
Patent

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Tilt lock means for a drafting table

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified procedure to improve separation of solids from...
Patent

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Two-stage co-processing of coal/oil feedstocks

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Using specifically added catalyst during hydrogenation
Patent

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Two-stage pyrolysis of coal for producing liquid hydrocarbon fue

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Chemical modification of solids before hydrogenation
Patent

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Use of ethers in thermal cracking

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified agitation or circulation in gas contact zone
Patent

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Use of methane, methane and hydrogen, or natural gas for pyrolys

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc. – Specified agitation or circulation in gas contact zone
Patent

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Vibrating bed coal pyrolysis system

Mineral oils: processes and products – By treatment of solid mineral – e.g. – coal liquefaction – etc.
Patent

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