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| Number | Title | Issue Date |
| 7232472 | Method for the treatment of coal A method and apparatus for the treatment of coal to form a product gas such as methane (CH4), and a high purity carbon product. The method includes contacting a coal-containing feedstock with a treatment gas that includes hydrogen. The coal feedstock can ... | 06/19/2007 |
| 6962614 | Additive for diesel particulate filter An additive to a fuel oil for a Diesel engine having a Diesel particulate filter (DPF), which comprises a molybdenum compound and having the function of improving the combustion property of a particulate matter (PM) trapped with DPF; a fuel oil comprising the additi... | 11/08/2005 |
| 5573556 | Conversion of solid carbonaceous material using polyoxoanions A process for the conversion of solid carbonaceous materials, such as coal, to liquid products using one or more polyoxoanions selected from those represented by: [(Cn H2n+1)4 N]a Mb Oc Hd | 11/12/1996 |
| 5489375 | Resid hydroprocessing method Hydroconversion processes employing 2,4-heteroatom-substituted-molybdena-3,3-dioxocyclopentane hydro-conversion catalysts are disclosed. In some embodiments, inexpensive bulk catalysts in accordance with the present invention are synthesized from bul... | 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 |
| 5246570 | Coal liquefaction process using soluble molybdenum-containing organophosphorodithioate catalyst A coal liquefaction process employing a first stage liquefaction step catalyzed by a soluble molybdenum-containing organophosphorodithioate catalyst is disclosed. In some embodiments, two consecutive liquefaction steps employ a molybdenum-containing organ... | 09/21/1993 |
| 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 |
| 5128017 | Single-step coal liquefaction process A process for the single-step coal liquefaction is disclosed, which comprises reacting coal in an aqueous suspension with carbon monoxide in the presence of a CO-conversion catalyst selected from the group consisting of an alkaline hydroxide and a carbona... | 07/07/1992 |
| 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 |
| 5071540 | Coal hydroconversion process comprising solvent extraction and combined hydroconversion and upgrading An improved process for the hydroconversion of coal comprising pretreating coal in an aqeuous carbon monoxide-containing environment, followed by extracting a soluble hydrocarbon material from the coal, and subsequently hydroconverting the extracted mater... | 12/10/1991 |
| 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 |
| 5061363 | Method for co-processing waste rubber and carbonaceous material In a process for the co-processing of waste rubber and carbonaceous material to form a useful liquid product, the rubber and the carbonaceous material are combined and heated to the depolymerization temperature of the rubber in the presence of a source of... | 10/29/1991 |
| 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 |
| 5055174 | Hydrovisbreaking process for hydrocarbon containing feed streams At least one decomposable molybdenum compound selected from the group consisting of molybdenum dithiophosphates and molybdenum dithiocarbamates is mixed with a hydrocarbon-containing feed stream. The hydrocarbon-containing feed stream containing such deco... | 10/08/1991 |
| 5053376 | Method of preparing a sulfided molybdenum catalyst concentrate A method for preparing a sulfided molybdenum catalyst concentrate which method comprises: (a) forming a precursor catalyst concentrate by mixing together: (i) a hydrocarbonaceous oil comprising constituents boiling above about 1050° F.; (ii) a metal comp... | 10/01/1991 |
| 5051389 | Catalyst composition prepared by vapor depositing onto a carbon support A catalyst composition prepared by depositing a metal or metal compound onto a preformed carbon support and thereafter converting said metal or metal compounds to an oxide or sulfide having hydrogenation activity. The metal is selected from the group of m... | 09/24/1991 |
| 5017282 | Single-step coal liquefaction process A process for the single-step coal liquefaction is disclosed, which comprises reacting coal in an aqueous suspension with carbon monoxide in the presence of a CO-conversion catalyst selected from the group consisting of an alkaline hydroxide and a carbona... | 05/21/1991 |
| 4968414 | Process for single-step coal liquefaction A process for the single-step coal liquefaction is disclosed, which comprises reacting the coal in an aqueous suspension with carbon monoxide in the presence of a CO-conversion catalyst selected from an alkaline hydroxide or carbonate, wherein the reactio... | 11/06/1990 |
| 4879021 | Hydrogenation of coal and subsequent liquefaction of hydrogenated undissolved coal A process for the hydrogenation of undissolved coal and subsequent liquefaction of the hydrogenated coal particles to provide useful hydrocarbon liquid products including naphtha, gasoline and diesel fuel. These low boiling hydrocarbon liquids are produce... | 11/07/1989 |
| 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 |
| 4824558 | Coal liquefaction process with metal/iodine cocatalyst An improved process for hydroconverting carbonaceous material wherein the hydroconversion is accomplished in the presence of a sulfide of tin or tin and at least one metal selected from the Group of metals consisting of the Groups IV-B, V-A, VI-A, VII-A a... | 04/25/1989 |
| 4793916 | Coal liquefaction process An improved process is provided for hydroconverting of coal in which a hydrocarbon-dispersible chromium compound is mixed with a hydrocarbonaceous material, in the absence of coal, to form a high metals-containing catalyst precursor concentrate which is h... | 12/27/1988 |
| 4740295 | Hydroconversion process using a sulfided molybdenum catalyst concentrate Hydroconversion processes utilizing a catalyst prepared from a catalyst precursor concentrate such as phosphomolybdic acid, is provided. The catalyst precursor concentrate is treated at relatively low pressures in a specified manner.... | 04/26/1988 |
| 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 |
| 4617106 | Catalysts for coal liquefaction processes Improved catalysts for catalytic solvent refining or hydroliquefaction of non-anthracitic coal at elevated temperatures under hydrogen pressure in a hydrogen donor solvent comprise a combination of zinc or copper, or a compound thereof, and a Group VI or ... | 10/14/1986 |
| 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 |
| 4578182 | Catalysts and hydroconversion processes utilizing the same A catalyst is prepared by heating the reaction product of CrO3 and tert-butyl alcohol as catalyst precursor in a hydrocarbon medium in the presence of hydrogen sulfide to convert the catalyst precursor to a solid chromium-containing catalyst. H... | 03/25/1986 |
| 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 |
| 4435280 | Hydrocracking of heavy hydrocarbon oils with high pitch conversion A process is described for the hydrocracking of heavy hydrocarbon oils which permits pitch conversions of over 90%, and preferably over 95%. A slurry of a heavy hydrocarbon oil and carbonaceous additive particles, such as coal, is passed in the presence o... | 03/06/1984 |
| 4434043 | Recovery of catalyst from coal liquefaction residues Metal constituents are recovered from the heavy bottoms produced during the liquefaction of coal and similar carbonaceous solids in the presence of a catalyst containing metal constituents by reducing the carbonaceous content of the heavy bottoms, contact... | 02/28/1984 |
| 4431510 | Process for producing hydrogen-enriched hydrocarbonaceous products from coal A process for producing hydrogen-enriched hydrocarbonaceous products from coal which comprises: (a) contacting the coal in a solvent extraction zone at solvent extraction conditions with a coal solvent, hydrogen and a first residual oil containing asphalt... | 02/14/1984 |
| 4428820 | Coal liquefaction process with controlled recycle of ethyl acetate-insolubles A process for increasing the conversion of coal to ethyl acetate-soluble products comprising: (a) heating a slurry comprising a solvent and particulate coal in a dissolution zone to produce a first effluent slurry comprising ethyl acetate-soluble liquid c... | 01/31/1984 |
| 4427532 | Coking of coal with petroleum residua A hydrotreated petroleum residuum is coked in the presence of coal to improve the yield and quality of the liquid coker products. The coal is preferably of low rank with a carbon content below 75 weight percent with best results being obtained with sub-bu... | 01/24/1984 |
