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| Number | Title | Issue Date |
| 7256152 | Composition of catalyst and solvent and catalysis processes using this composition A composition defined: either as comprising at least one Broensted acid, designated HB, dissolved in a liquid medium with an ionic nature of general formula Q+A−, in which Q+ represents an organic cation and A− represents an an... | 08/14/2007 |
| 6936159 | Process for recovering hydrocarbons from a carbon containing material A process for recovering hydrocarbons from coal or oil shale is disclosed. The process involves the steps of forming a pulp of finely divided coal or oil shale in a first reaction bed, adding concentrated sulphuric acid to the first reaction bed, controlling the tem... | 08/30/2005 |
| 6911410 | Catalyst composition containing an aluminoxane for dimerizing, co-dimerizing and oligomerizing olefins A catalyst composition for use in dimerizing, co-dimerizing or oligomerizing olefins results from dissolving a nickel compound, optionally mixed or complexed with a ligand, in a medium resulting from mixing: at least one quaternary... | 06/28/2005 |
| 6139723 | Iron-based ionic liquid catalysts for hydroprocessing carbonaceous feeds A highly dispersed iron-based ionic liquid or liquid-gel catalyst which may be anion-modified and metals-promoted has high catalytic activity, and is useful for hydrocracking/hydrogenation reactions for carbonaceous feed materials. The catalyst is produce... | 10/31/2000 |
| 5871638 | Dispersed anion-modified phosphorus-promoted iron oxide catalysts A dispersed fine-sized anion-modified and phosphorus-promoted iron-oxide slurry catalyst having high surface area exceeding 100 m2 /gm and high catalytic activity, and which is useful for hydrogenation and hydroconversion reactions for carbonac... | 02/16/1999 |
| 5492618 | Recovery of hard acids and soft bases from decomposed coal An improved process for recovering hard acids and soft bases used to decompose coal in which finely divided coal particles are contacted with a hard acid in the presence of a soft base at temperatures of from 0° to 100° C., said hard acid being characte... | 02/20/1996 |
| 5489377 | Recovery of hard acids and soft bases from decomposed coal An improved process for recovering hard acids and soft bases used to decompose coal in which finely divided coal particles are contacted with a hard acid in the presence of a soft base at temperatures of from 0° to 100° C., said hard acid being characte... | 02/06/1996 |
| 5489376 | Recovery of hard acids and soft bases from decomposed coal An improved process for recovering hard acids and soft bases used to decompose coal in which finely divided coal particles are contacted with a hard acid in the presence of a soft base at temperatures of from 0° to 100° C., said hard acid being characte... | 02/06/1996 |
| 5389230 | Catalytic hydroconversion process This invention relates to a catalytic process for converting a carbonaceous material to a liquid product. More specifically, this invention relates to a process for hydroconverting coal in a hydroconverting zone to liquid hydrocarbon products in the prese... | 02/14/1995 |
| 5338441 | Liquefaction process The present invention relates to a catalytic process for converting a solid carbonaceous material, such as coal, to a liquid product in the presence of hydrogen. More particularly, this invention relates to a coal liquefaction process wherein a mixture of... | 08/16/1994 |
| 5294349 | Coal depolymerization and hydroprocessing A process for hydroprocessing coal to hydrocarbon oils wherein coal is depolymerized at low temperatures by contacting finely divided coal with a hard acid and soft base. The depolymerized coal is then hydroprocessed to hydrocarbon oils by forming a mixtu... | 03/15/1994 |
| 5200063 | Coal hydroconversion process comprising solvent enhanced pretreatment with carbon monoxide This invention is directed to a staged process for producing liquids from coal or similar carbonaceous feeds combining a pretreatment stage and a liquefaction stage. In the process, the feed is dispersed in an organic solvent and reacted with carbon monox... | 04/06/1993 |
| 5130013 | Process for producing a liquefied coal oil and a catalyst for the process A process for producing a liquefied coal oil by a two step hydrogenation reaction of coal, which comprises subjecting coal to a first hydrogenation and subjecting at least a part of the reaction product of the first hydrogenation to a second hydrogenation... | 07/14/1992 |
| 5110451 | Coal extraction process A two stage coal extracting process has a first liquid hydrogen donor solvent oil extraction stage and a second stage comprising catalytic hydrocracking of the extract. Desired levels of hydrocracking and hydrogenation of the extract, with an acceptable l... | 05/05/1992 |
| 5096569 | Catalytic hydropyrolysis of carbonaceous material with char recycle Disclosed is a method for catalytically hydropyrolyzing carbonaceous material to produce liquid products boiling under about 550° C. with reduced amounts of methane being formed. The process comprises (a) treating the carbonaceous material with as hydrog... | 03/17/1992 |
| 5064527 | Catalytic process for hydroconversion of carbonaceous materials An improved hydroconversion process for carbonaceous materials wherein a dihydrocarbyl substituted dithiocarbamate of a metal selected from any one of Groups IV-B, V-A, VI-A, VII-B, and VIII-A of the Periodic Table of Elements or a mixture thereof is used... | 11/12/1991 |
| 5055181 | Hydropyrolysis-gasification of carbonaceous material Disclosed is a process for obtaining liquids and gases from carbonaceous material, such as coal. The carbonaceous material is first treated with a gasification catalyst, and optionally a hydrogenation catalyst, and hydropyrolyzed for an effective residenc... | 10/08/1991 |
| 4917791 | Process and catalysts for hydroconversion of coal or petroleum asphaltene to distillate liquids A two-stage catalytic hydroconversion process using a large-pore catalyst in the first stage reactor and a small-pore catalyst in the second stage reactor in the two-stage process for hydroconversion of coal or petroleum asphaltene feed materials to produ... | 04/17/1990 |
| 4855037 | Hydrogenation catalyst for coal tar, a method of hydrogenation of coal tar with use of such catalyst, and a method of producing super needle coke from the hydrogenation product of coal tar Described is a catalyst used for hydrogen treatment of coal tar characterized in that about 10 to 30 weight percent of Mo oxides as first catalyst component and about 1 to 6 weight percent of Ni and/or Co as second catalyst component, both relates to the ... | 08/08/1989 |
| 4853111 | Two-stage co-processing of coal/oil feedstocks A process for two-stage catalytic co-processing of coal and heavy petroleum hydrocarbon liquid fractions to produce increased yields of low-boiling hydrocarbon liquid and gas products. In the process, the particulate coal is slurried with a petroleum resi... | 08/01/1989 |
| 4842719 | Catalytic two-stage coal hydrogenation and hydroconversion process A process for two-stage catalytic hydrogenation and liquefaction of coal to produce increased yields of low-boiling hydrocarbon liquid and gas products. In the process, the particulate coal is slurried with a process-derived liquid solvent and fed at temp... | 06/27/1989 |
| 4818374 | Process for converting coal to an oil fraction A process for converting coal to an oil fraction, which comprises subjecting coal to a first hydrogenation reaction, deashing the reaction product of the first hydrogenation reaction and subjecting the deashed liquefied oil to a second hydrogenation react... | 04/04/1989 |
| 4750991 | Method for hydrogenating a solvent-refined coal A method for hydrogenating a solvent-refined coal, comprising: (a) hydrogenating coal in the presence of a hydrocarbon solvent and an iron catalyst; (b) obtaining a solvent-refined coal material therefrom, which has a boiling point of at least 400° under atmo... | 06/14/1988 |
| 4737266 | Method for hydrogenating a solvent-refined coal A method for hydrogenating a solvent-refined coal by heating it under hydrogen pressure in a fixed bed, characterized in that a solvent-refined coal fraction containing no substantial amount of preasphaltene is used as the solvent-refined coal.... | 04/12/1988 |
| 4728418 | Process for the low-temperature depolymerization of coal and its conversion to a hydrocarbon oil A novel process for the low-temperature depolymerization and liquefaction of coal wherein the coal is subjected to sequential processing steps for the cleavage of different types of intercluster lnikages during each processing step. A metal chloride catal... | 03/01/1988 |
| 4708788 | Upgrading carbonaceous materials A liquefaction process for coal lignite or heavy oil is disclosed utilizing a hydrogen-donor solvent. The preferred hydrogen-donor solvent is recovered as a vapor from the liquefaction mixture. The preferred method for converting the vapor into active hyd... | 11/24/1987 |
| 4627913 | Catalytic coal liquefaction with treated solvent and SRC recycle A process for the solvent refining of coal to distillable, pentane soluble products using a dephenolated and denitrogenated recycle solvent and a recycled, pentane-insoluble, solvent-refined coal material, which process provides enhanced oil-make in the c... | 12/09/1986 |
| 4595666 | Catalyst rejuvenation process for removal of metal contaminants Spent catalysts removed from a catalytic hydrogenation process for hydrocarbon feedstocks, and containing carbon undesired metals contaminants deposits, are rejuvenated for reuse. Following solvent washing to remove process oils, the catalyst is treated e... | 06/17/1986 |
| 4595672 | Method of making self-promoted hydrotreating catalysts Self-promoted molybdenum and tungsten sulfide hydrotreating catalysts are prepared by heating one or more water soluble catalyst precursors in a non-oxidizing atmosphere in the presence of sulfur at a temperature of at least about 200° C. The precursors ... | 06/17/1986 |
| 4569749 | Coal liquefaction process A process for the liquefaction of coal wherein raw feed coal is dissolved in recycle solvent with a slurry containing recycle coal minerals in the presence of added hydrogen at elevated temperature and pressure. The highest boiling distillable dissolved l... | 02/11/1986 |
| 4565622 | Method of liquefying brown coal A method for the liquefaction of brown coal which comprises effecting primary hydrogenation at a temperature and pressure sufficient to promote the efficient hydrogenation of a slurry prepared by adding an iron-based catalyst and a slurrying solvent to br... | 01/21/1986 |
| 4552642 | Method for converting coal to upgraded liquid product An H-Coal Process hydrogenation operation and catalyst life is substantially improved when using colloidal particles of catalyst comprising a colloidal matrix of silica, alumina, titania and combinations thereof coated with hydrogenating components select... | 11/12/1985 |
| 4541916 | Coal liquefaction process using low grade crude oil A process for converting coal to liquid hydrocarbonaceous products involving a liquefaction reaction in the presence of a coal derived recycle slurry and a non-coal derived solvent comprising a hydrocarbonaceous oil or distillation bottom residue thereof ... | 09/17/1985 |
| 4514279 | Solid hydrocarbon liquefaction with a catalyst having chromium and molybdenum A catalyst containing molybdenum and chromium and method for recovering upgraded liquid products from a solid carbonaceous material using said catalyst are disclosed.... | 04/30/1985 |
| 4511455 | Catalysis using hydrous metal oxide ion exchanges In a process which is catalyzed by a catalyst comprising an active metal on a carrier, said metal being active as a catalyst for the process, an improvement is provided wherein the catalyst is a hydrous, alkali metal or alkaline earth metal titanate, zirc... | 04/16/1985 |
| 4493761 | Catalytic hydroliquefaction using a Cr-Mo-Group VIII catalyst Disclosed is a method for the catalytic hydroliquefaction of solid carbonaceous material with a catalyst consisting essentially of Cr and Mo on a support or Cr, Mo and either CO or Ni on a support. The average pore diameter should be within 100-200Å .... | 01/15/1985 |
| 4486293 | Catalytic coal hydroliquefaction process A process is described for the liquefaction of coal in a hydrogen donor solvent in the presence of hydrogen and a co-catalyst combination of iron and a Group VI or Group VIII non-ferrous metal or compounds of the catalysts.... | 12/04/1984 |
| 4454240 | Catalyst regeneration process including metal contaminants removal Spent catalysts removed from a catalytic hydrogenation process for hydrocarbon feedstocks, and containing undesired metals contaminants deposits, are regenerated. Following solvent washing to remove process oils, the catalyst is treated either with chemic... | 06/12/1984 |
| 4448665 | Use of ammonia to reduce the viscosity of bottoms streams produced in hydroconversion processes Coal, petroleum residuum and similar carbonaceous feed materials are subjected to hydroconversion in the presence of molecular hydrogen to produce a hydroconversion effluent which is then subjected to one or more separation steps to remove lower molecular... | 05/15/1984 |
| 4437974 | Coal liquefaction process A coal liquefaction process and apparatus therefor are disclosed. According to this invention, a finely divided coal and a solvent are contacted with molecular hydrogen in the presence of a catalyst to provide a slurry, the slurry is separated into a gase... | 03/20/1984 |
