Bizarre Patents
A beach chair which can be adapted for a woman who is pregnant and wishes to sunbathe in the prone position.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7431831 | Integrated in-line pretreatment and heavy oil upgrading process A new residuum full hydroconversion slurry reactor system has been developed that allows the catalyst, unconverted oil, products and hydrogen to circulate in a continuous mixture throughout an entire reactor with no confinement of the mixture. The mixture is partial... | 10/07/2008 |
| 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 |
| 6258259 | Iron sulfide and process for producing the same The invention provides an iron sulfide characterized in that it comprises FeS2, Fe1-X S, Fe3 O4 and FeSO4, and that the secondary particles thereof, have a 50% volume-cumulative particle diameter of f... | 07/10/2001 |
| 6190542 | Catalytic multi-stage process for hydroconversion and refining hydrocarbon feeds A multi-stage catalytic hydrogenation and hydroconversion process for heavy hydrocarbon feed materials such as coal, heavy petroleum fractions, and plastic waste materials. In the process, the feedstock is reacted in a first-stage, back-mixed catalytic re... | 02/20/2001 |
| 6167653 | Combination floral product and display container imprinted wrap around message sleeve on floral product and display container A rigid, hollow, bottomless container for transporting and displaying a seed ball which includes a sleeve extending about the container that allows printed indicia to be located on the exterior of the container. The container is comprised of a number of s... | 01/02/2001 |
| 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 |
| 5454934 | Coal liquefaction using atomically dispersed metals A method for converting solid carbonaceous materials to liquid products. The solid carbonaceous material is first treated with a aqueous composition of a metal carbonate or bicarbonate. This results in the metal being atomically dispersed in the carbonace... | 10/03/1995 |
| 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 |
| 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 |
| 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 |
| 5120429 | Co-processing of carbonaceous solids and petroleum oil In a process for producing distillates from coal by a first stage thermal liquefaction followed by a catalytic hydrogenation, liquefaction solvent is added at points spaced over the length of the thermal liquefaction heater. Coal may be co-processed with ... | 06/09/1992 |
| 5110452 | Method of refining coal by catalyzed short residence time hydrodisproportionation to form a novel coal-derived fuel system This invention generally relates to a catalyzed short residence time decomposition and volatilization of coal to produce liquid co-products while minimizing production of char and gas without utilization of external hydrogen, that is, hydrogen other than ... | 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 |
| 5096570 | Method for dispersing catalyst onto particulate material A method for dispersing finely divided catalyst precursors onto the surface of coal or other particulate material includes the steps of forming a wet paste mixture of the particulate material and a liquid solution containing a dissolved transition metal s... | 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 |
| 4923838 | Process for preparing an iron-coal slurry catalyst for hydrocracking heavy oils A process for the conversion of a heavy hydrocarbon oil in the presence of hydrogen and iron-coal catalyst is described in which the iron-coal catalyst is prepared by grinding coal particles and particles of an iron compound in oil to form an additive slu... | 05/08/1990 |
| 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 |
| 4851107 | Process for the hydrogenation of heavy and residual oils A process for the hydrogenation of heavy oils, residual oils, waste oils, used oils, shell oils, and tar sand oils by hydrogenating a slurry of the oil at a partial hydrogen pressure of 50-300 bar, a temperature of 250°-500° C., a space velocity of 0.1-... | 07/25/1989 |
| 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 |
| 4820405 | Method of liquefying coal When low-quality iron ore is used as a coal liquefaction catalyst, in order to improve its catalytic activity it is subjected to one or a combination of reduction, heat-treatment, or washing with or immersion in water for a long period of time so as to re... | 04/11/1989 |
| 4816141 | Catalytic two-stage liquefaction of coal utilizing cascading of used ebullated-bed catalyst A multi-stage catalytic process for hydrogenation and liquefaction of coal using ebullated-bed catalytic reactors to produce low-boiling hydrocarbon liquid products, in which used catalyst is removed from a lower temperature first stage reactor operating ... | 03/28/1989 |
| 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 |
| 4740294 | Method for sequentially co-processing heavy hydrocarbon and carbonaceous materials A method for sequentially co-processing heavy hydrocarbon materials and carbonaceous materials comprising first subjecting the heavy hydrocarbon material in the presence of a disposable metal catalyst to produce and separate therefrom a first distillate s... | 04/26/1988 |
| 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 |
| 4661237 | Process for thermal cracking of carbonaceous substances which increases gasoline fraction and light oil conversions A process for thermally cracking carbonaceous substances, such as coal, is described, comprising: rapidly heating the carbonaceous substance to 500° to 950° C. in an atmosphere consisting essentially of hydrogen gas at a pressure of 35 to 250 kg/cm... | 04/28/1987 |
| 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 |
| 4602991 | Coal liquefaction process A liquefaction process for coal or lignite is set forth. In the preferred and illustrated embodiment, coal or lignite is ground to a suitable particle size and placed in a reactor vessel. The reactor vessel is located within a pressure vessel. Pressure in... | 07/29/1986 |
| 4561964 | Catalyst for the hydroconversion of carbonaceous materials An improved hydroconversion process for carbonaceous materials wherein a monohydrocarbyl substituted dithiocarbamate of a metal selected from Group VIII-A of the Periodic Table of Elements or a mixture thereof is used as a catalyst precursor. The improved... | 12/31/1985 |
| 4541914 | Process for converting coal A process for converting coal, comprising, subjecting a slurry composed essentially of coal, a hydrocarbon solvent and a hydrogenation catalyst to primary hydrogenation to liquify the coal, separating the ash content of said coal from the reaction product... | 09/17/1985 |
| 4534848 | Coal liquefaction with a selenium catalyst Disclosed are a catalyst for direct liquefaction of coal, which consists of selenium, a selenium compound, or a mixture of selenium or the selenium compound with a metal oxide, and a method of directly liquefying coal in the presence of such a catalyst.... | 08/13/1985 |
| 4515678 | Process and catalyst for the hydrogenation of coal Blast furnace flue dust is used as a catalyst in a process for the hydrogenation of coal. A flowable mixture of finely divided coal particles and liquid hydrocarbons is brought to high pressure and to reaction temperature. The mixture is hydrogenated with... | 05/07/1985 |
| 4511454 | Process for use of novel boride catalyst Novel heterogeneous boride catalysts comprising a polyborane anion and a Group VIII metal for the treatment of carbonaceous materials. The catalyst is prepared by the steps of contacting a polyborane anion with a salt of a Group VIII metal in the presence... | 04/16/1985 |
| 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 |
| 4510039 | Process for the liquid phase hydrogenation of coal A process for hydrogenating coal in the liquid phase in the presence of a catalyst comprising an iron oxide obtained by decomposition of an iron compound in a flame, in particular in the flame of a torch. A co-catalyst, such as SnO2, also prepa... | 04/09/1985 |
