105415 ⎘
Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents with two or more solvents, which are introduced or withdrawn separately
Sub-classes:METHOD FOR STEPWISE EXTRACTION OF PHENOL AND PYRIDINE COMPOUNDS IN NAPHTHALENE OIL BY DEEP EUTECTIC SOLVENTS
#2METHOD FOR EXTRACTION AND ANALYSIS OF POLYCYCLIC AROMATIC HYDROCARBONS IN PETROLEUM PRODUCTS
#3LOW ENERGY PROCESS TO PRODUCE A HYDROPHOBIC OIL FROM BIOMASS PYROLYSIS LIQUIDS
#4SULFUR EXTRACTION FROM HYDROCARBONS USING CARBONATE-BASED SOLVENTS
#5LOW ENERGY PROCESS TO PRODUCE A HYDROPHOBIC OIL FROM BIOMASS PYROLYSIS LIQUIDS
#6Solvent deasphalting dearomatization process for heavy oil upgradation
#7Recovery of aliphatic hydrocarbons
#8Process to remove asphaltene from heavy oil by solvent
#9Separation of fractions in hydrocarbon samples using an accelerated solvent extractor
#10Haze-free base oils with high paraffinic content
#11Low energy process to produce a hydrophobic oil from biomass pyrolysis liquids
#12Process to produce blown asphalt
#13Method for treating a hydrocarbon feedstock comprising a deasphalting step and an asphalt conditioning step
#14Integrated multi-stage solvent deasphalting and delayed coking process to produce high quality coke
#15Process to produce blown asphalt
#16Process scheme for the production of optimal quality distillate for olefin production
#17Adjusting a fuel on-board a vehicle
#18Integrated multi-stage solvent deasphalting and delayed coking process to produce high quality coke
#19Method for Producing Base Lubricating Oil from Waste Oil
#20Method for Producing Base Lubricating Oil from Oils Recovered from Combustion Engine Service
#21Method and apparatus for recovering synthetic oils from composite oil streams
#22Method and apparatus for recovering synthetic oils from composite oil streams
#23Process to produce oil with low polyaromatic hydrocarbon content
#24Method and kit for monitoring catalyst fines in heavy fuel oil
#25PROCESS FOR SELECTIVE CASCADE DEASPHALTING
#26Process for refining a heavy hydrocarbon-containing feedstock implementing a selective cascade deasphalting
#27Method for producing non-carcinogenic aromatic process oil
#28PROCESS FOR REMOVING A CONTAMINANT FROM COAL TAR
#29Method for producing base lubricating oil from oils recovered from combustion engine service
#30PROCESS AND SYSTEM FOR RECOVERY OF ASPHALTENE BY-PRODUCT IN PARAFFINIC FROTH TREATMENT OPERATIONS
#31Process to produce process oil with low polyaromatic hydrocarbon content
#32Deep conversion combining the demetallization and the conversion of crudes, residues or heavy oils into light liquids with pure or impure oxygenated compounds
#33Metal impurity and high molecular weight components removal of biomass derived biocrude
#34Removal of sulfur compounds from petroleum stream
#35Method for producing base lubricating oil from waste oil
#36Deep conversion combining the demetallization and the conversion of crudes, residues or heavy oils into light liquids with pure or impure oxygenated compounds
#37EXTRACTION OF AROMATICS FROM HYDROCARBON OIL USING N-METHYL 2-PYRROLIDONE AND CO-SOLVENT
#38Process and system for recovery of asphaltene by-product in paraffinic froth treatment operations
#39METHOD FOR PRODUCING BASE LUBRICATING OIL FROM WASTE OIL
#40Process For Separating Used Oil
#41Extraction of oxygenates from a hydrocarbon stream
#42Deep conversion combining the demetallization and the conversion of crudes, residues or heavy oils into light liquids with pure or impure oxygenated compounds
#43Deep conversion combining the demetallization and the conversion of crudes, residues or heavy oils into light liquids with pure or impure oxygenated compounds