Patent International Class: C10G 21/12
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Production of extra-heavy lube oils from Fischer-Tropsch wax
Inventor: Sirota, et al. | Patent Number: 7465389
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Extraction of aromatics from hydrocarbon oil using furfural-co-solvent extraction process
Inventor: Selai, et al. | Patent Number: 6866772
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Separation of olefinic hydrocarbons from sulfur-containing hydrocarbons by use of a solvent
Inventor: Brown | Patent Number: 6802959
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Acidic petroleum oil treatment
Inventor: Gerhold, et al. | Patent Number: 6673238
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Additive enhanced solvent deasphalting process (law759)
Inventor: Varadaraj, et al. | Patent Number: 6245222
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Selective re-extraction of lube extracts to reduce mutagenicity index
Inventor: Gupte, et al. | Patent Number: 6146520
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Process for inhibiting oxidation and polymerization of furfural and its derivatives
Inventor: Dickakian | Patent Number: 5453519
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Process for inhibiting oxidation and polymerization of furfural and its derivatives
Inventor: Dickakian | Patent Number: 5332842
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Processes for the separation of aromatic hydrocarbons from a hydrocarbon mixture
Inventor: Vidueira | Patent Number: 5310480
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Rendering oily wastes landtreatable or usable
Inventor: Biceroglu | Patent Number: 5288391
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Method for the extraction of iron from liquid hydrocarbons
Inventor: Roling, et al. | Patent Number: 5282959
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Method of separating an aromatic from a hydrocarbon mixture
Inventor: Skatulla, et al. | Patent Number: 5252200
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Method for inhibiting fouling in caustic scrubber systems
Inventor: Roling | Patent Number: 5194143
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Extraction of hydrocarbon oils using a combination polar extraction solvent-aliphatic-aromatic or polar extraction solvent-polar substituted naphthenes extraction solvent mixture
Inventor: Bell | Patent Number: 4909927
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Removal of polychlorinated biphenyls by solvent extraction
Inventor: Way | Patent Number: 4764256
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Process for removing naphthenic acids from petroleum distillates
Inventor: Danzik | Patent Number: 4634519
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Coal liquefaction with preasphaltene recycle
Inventor: Weimer, et al. | Patent Number: 4609455
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Multidentate macromolecular complex salt clathrates
Inventor: Atwood | Patent Number: 4496744
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Process for preparing raw material for producing carbon material
Inventor: Shigeta, et al. | Patent Number: 4482452
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Process for the combined deashing/deasphalting of coal liquids
Inventor: Angevine, et al. | Patent Number: 4448672
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Process for removing halogenated aliphatic and aromatic compounds from petroleum products
Inventor: Googin, et al. | Patent Number: 4405448
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Method for retarding corrosion in petroleum processing operation using N-methyl pyrrolidone
Inventor: Bardasz | Patent Number: 4396492
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Liquid-liquid extraction of low boiling olefin contained in olefin-paraffin mixture using sulfolane-ketone solvent system
Inventor: Carter | Patent Number: 4385196
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Solvent extraction production of lube oil fractions
Inventor: Audeh, et al. | Patent Number: 4381234
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Fluid contacting process
Inventor: O'Brien | Patent Number: 4364821
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Coal liquefaction using liquid clathrates
Inventor: Atwood | Patent Number: 4321127
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Coal liquefaction using liquid clathrates
Inventor: Atwood | Patent Number: 4321127
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Use of chelating agents in the conversion of coal to low mineral content fuel
Inventor: Gibson | Patent Number: 4306959
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System for producing a powdery composition comprising coal products in a coal deashing process
Inventor: Baldwin, et al. | Patent Number: 4244812
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Method for dissolving asphaltic material
Inventor: Lawson, et al. | Patent Number: 4108681
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Extractive distillation of C.sub.5 hydrocarbons using acetonitrile and additives
Inventor: Hein | Patent Number: 4081332
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Solvent extraction
Inventor: Forbes, et al. | Patent Number: 4045332
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Method for dissolving asphaltic material
Inventor: Lawson, et al. | Patent Number: 4033784
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Lube extraction with NMP/phenol/water mixtures
Inventor: Bushnell | Patent Number: 4013549