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| Number | Title | Issue Date |
| 7087100 | Preparation of nanosized copper and copper compounds The present invention is a process for producing nanosized metal compounds. The preferred product is nanosized copper, nanosized copper (I) oxide, and nanosized copper (II) oxide. The process includes heating a copper metal precursor in a hydrocarbon preferably sele... | 08/08/2006 |
| 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 |
| 6923903 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above... | 08/02/2005 |
| 5954945 | Fluid hydrocracking catalyst precursor and method A method for converting a hydrocarbonaceous feedstock to a lower boiling temperature product is described which comprises suspending metal sulfide particles and oxide particles in a reaction zone including hydrogen and the hydrocarbonaceous feedstock at h... | 09/21/1999 |
| 5783065 | Method for coal liquefaction A process is disclosed for coal liquefaction in which minute particles of coal in intimate contact with a hydrogenation catalyst and hydrogen are reacted for a very short time at a temperature in excess of 400° C. at a pressure of at least 250 psi to yie... | 07/21/1998 |
| 5770172 | Process of forming compounds using reverse micelle or reverse microemulsion systems The present invention is directed to a process for producing a nanometer-sized metal compound. The process comprises forming a reverse micelle or reverse microemulsion system comprising a polar fluid in a non-polar or low-polarity fluid. A first reactant ... | 06/23/1998 |
| 5622616 | Hydroconversion process and catalyst Hydroconversion of heavy hydrocarbon oils using solid heterogeneous catalyst and small amounts of oil-miscible compound, like molybdenum naphthenate, improves total pore volume properties of the catalyst.... | 04/22/1997 |
| 5620591 | Hydroconversion process with plug-flow molybdenum catalyst concentrate preparation A hydroconversion process for converting a heavy hydrocarbonaceous feedstock to lower boiling products, which process involves the use of a sulfided catalyst concentrate which is prepared in a continuous plug-flow mode. The heavy hydrocarbonaceous feedsto... | 04/15/1997 |
| 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 |
| 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 |
| 5460714 | Liquid phase catalytic hydrocarbon hydroconversion with polyaromatic additive The invention involves the liquid phase hydroconversion of hydrocarbon charges containing heavy fractions, and more particularly their deep conversion, in which the charge is contacted with a dispersed catalyst in the presence of a polyaromatic additive. ... | 10/24/1995 |
| 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 |
| 5336395 | Liquefaction of coal with aqueous carbon monoxide pretreatment 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 reacted with carbon monoxide and water at an elevated tempera... | 08/09/1994 |
| 5308477 | Method for coal liquefaction A process is disclosed for coal liquefaction in which minute particles of coal in intimate contact with a hydrogenation catalyst and hydrogen arc reacted for a very short time at a temperature in excess of 400° C. at a pressure of at least 1500 psi to yi... | 05/03/1994 |
| 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 |
| 5151173 | Conversion of coal with promoted carbon monoxide pretreatment This invention is directed to a process for pretreating coal preliminary to a primary liquefaction or hydroconversion block. In the process, a coal feed, slurried in a solvent, is reacted with carbon monoxide in the presence of a chemical promoter at an e... | 09/29/1992 |
| 5122260 | Liquefaction of solid carbonaceous material with catalyst recycle In the two stage liquefaction of a carbonaceous solid such as coal wherein coal is liquefied in a first stage in the presence of a liquefaction solvent and the first stage effluent is hydrogenated in the presence of a supported hydrogenation catalyst in a... | 06/16/1992 |
| 5110450 | Coal extract hydroconversion process comprising solvent enhanced carbon monoxide pretreatment An improved process for the hydroconversion of coal, wherein coal is slurried in an organic solvent and subjected to pretreatment with carbon monoxide, followed by separation of a solvent-soluble phase comprising hydrocarbon material from the coal, and su... | 05/05/1992 |
| 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 |
| 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 |
| 5026475 | Coal hydroconversion process comprising solvent extraction (OP-3472) An improved process for the hydroconversion of coal comprising pretreating coal in an aqueous carbon monoxide-containing environment, followed by extracting a soluble hydrocarbon material from the coal, and subsequently hydroconverting the extracted mater... | 06/25/1991 |
| 5015366 | Process and apparatus for coal hydrogenation In a coal liquefaction process an aqueous slurry of coal is prepared containing a dissolved liquefaction catalyst. A small quantity of oil is added to the slurry and then coal-oil agglomerates are prepared by agitation of the slurry at atmospheric pressur... | 05/14/1991 |
| 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 |
| 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 |
| 4747938 | Low temperature pyrolysis of coal or oil shale in the presence of calcium compounds A coal pyrolysis technique or process is described in which particulate coal is pyrolyzed in the presence of about 5 to 21 wt. % of a calcium compound selected from calcium oxide, calcined (hydrate) dolomite, or calcined calcium hydrate to produce a high ... | 05/31/1988 |
| 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 |
| 4637871 | Hydrocracking with aqueous phosphomolybdic acid Slurry hydroconversion processes utilizing an aqueous solution of phosphomolybdic acid as catalyst precursor, which is subsequently converted to a solid molybdenum-containing catalyst, are improved when the catalyst precursor aqueous solution comprises a ... | 01/20/1987 |
| 4637870 | Hydrocracking with phosphomolybdic acid and phosphoric acid Hydroconversion processes for converting oil, coal or mixtures thereof are provided utilizing a catalyst prepared by first forming an aqueous solution of phosphomolybdic acid and phosphoric acid at a specified ratio of atoms of P/Mo, and subsequently addi... | 01/20/1987 |
| 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 |
| 4610776 | Coal liquefaction process A coal liquefaction process comprising reacting coal with a hydrocarbonaceous solvent at coal liquefaction conditions in the presence of an oil shale residue catalyst comprising organic and inorganic fractions. The oil shale residue catalyst is derived by... | 09/09/1986 |
| 4606812 | Hydrotreating of carbonaceous materials A process for hydrotreating carbonaceous materials is disclosed. The carbonaceous material is contacted with steam and with empirical hydrates of alkali metal hydrosulfides, monosulfides, or polysulfides. The process hydrocracks, hydrogenates, denitrogena... | 08/19/1986 |
| 4604183 | Catalytic process for hydroconversion of solid carbonaceous materials An improved hydroconversion process for carbonaceous materials wherein an ammonium or hydrocarbyl substituted ammonium salt of a metal-sulfur analog of cubane having an anion with a core structure of M4 S4 is used as a catalyst precu... | 08/05/1986 |
| 4597775 | Coking and gasification process An improved coking process for normally solid carbonaceous materials wherein the yield of liquid product from the coker is increased by adding ammonia or an ammonia precursor to the coker. The invention is particularly useful in a process wherein coal liq... | 07/01/1986 |
| 4594141 | Conversion of high boiling organic materials to low boiling materials A process for the conversion of high boiling saturated organic materials is described. The method comprises contacting said high boiling organic materials at a temperature of at least about 300° C. and at a reaction pressure of at least about 2000 psi wi... | 06/10/1986 |
| 4566964 | Method of recovering hydrocarbon from oil shale Hydrocarbons may be recovered from crushed and ground oil shale by contacting the oil shale material with a free oxygen containing gas such as air in a fluid environment at a temperature range from 30° to 43° C. to remove organic fragments from the poly... | 01/28/1986 |
| 4567156 | Oil soluble chromium catalyst A catalyst is prepared by adding a water soluble aliphatic polyhydroxy compound such as a polyhydroxy alcohol or a carbohydrate (e.g., sucrose) to an aqueous solution of chromic acid and subsequently introducing the resulting mixture into a hydrocarbon ma... | 01/28/1986 |
