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| Number | Title | Issue Date |
| 8177959 | Treatment of hydrocarbon fluids with ozone A method of treating a hydrocarbon fluid that includes contacting the hydrocarbon fluid with an effective amount of ozone. A method for separating contaminants from a contaminated material includes supplying the contaminated material to a processing chamber, moving ... | 05/15/2012 |
| 7867376 | Treatment of hydrocarbon fluids with ozone A method of treating a hydrocarbon fluid that includes contacting the hydrocarbon fluid with an effective amount of ozone. A method for separating contaminants from a contaminated material includes supplying the contaminated material to a processing chamber, moving ... | 01/11/2011 |
| 7828957 | Olefin waxes having improved hardness or viscosity In one embodiment, we disclose hardened olefin waxes and processes for preparing them. In another embodiment, we disclose oxidized olefin waxes having low viscosity and processes for preparing them. The waxes are suitable for use as polishes, coatings, or inks, amon... | 11/09/2010 |
| 7501054 | Oxygen-containing diesel fuel, process and catalyst for producing same A process for upgrading a diesel fuel, includes the steps of providing a diesel fuel feedstock; hydrogenating the feedstock at a pressure of less than about 600 psig so as to provide a hydrogenated product wherein a portion of the feedstock is converted to alkyl-nap... | 03/10/2009 |
| 7300476 | Transportation fuels The present invention relates to Compositions of fuels for transportation are disclosed, particularly organic compositions which are liquid at ambient conditions. More specifically, it relates to transportation fuels comprising suitable organic distillates, as a pre... | 11/27/2007 |
| 7300568 | Method of manufacturing oxygenated fuel Disclosed is a process to improve the cetane number and emissions characteristics of a distillate feedstock by increasing the oxygen content of the feedstock by contacting the feedstock with an oxygen-containing gas in the oxidation zone at oxidation conditions in t... | 11/27/2007 |
| 7108780 | Oil desalting by forming unstable water-in-oil emulsions A method for determination for a given oil the relative stability of a water-in-oil emulsion that will be formed by that oil with water comprises measuring for the given oil the weight percent asphaltenes (A), total acid number (TAN), and ratio of the amount of naph... | 09/19/2006 |
| 6761818 | Heavy oil-solid composition and method for preparing the same The invention includes a compositon of matter comprising a heavy oil having dispersed therein surface modified solid wherein said surface modified solids comprise solids having adsorbed thereon air oxidized polar hydrocarbons from said heavy oil and wherein said sur... | 07/13/2004 |
| 6673230 | Process for oxygenation of components for refinery blending of transportation fuels Economical processes are disclosed for production of components for refinery blending of transportation fuels which are liquid at ambient conditions by selective oxygenation of refinery feedstocks comprising a mixture of organic compounds. The organic com... | 01/06/2004 |
| 6524468 | Heavy oil - solid composition and method for preparing the same The invention includes a compositon of matter comprising a heavy oil having dispersed therein surface modified solid wherein said surface modified solids comprise solids having adsorbed thereon air oxidized polar hydrocarbons from said heavy oil and where... | 02/25/2003 |
| 6280608 | Layered catalyst composition and processes for preparing and using the composition This invention relates to a layered catalyst composition, a process for preparing the composition and processes for using the composition. The catalyst composition comprises an inner core such as alpha-alumina, and an outer layer bonded to the inner core ... | 08/28/2001 |
| 5824207 | Method and apparatus for oxidizing an organic liquid The present invention relates generally to a method and apparatus for oxidizing an organic liquid, and, more particularly, to a method and apparatus for improving the combustion characteristics of petroleum-based hydrocarbon liquids. The present invention... | 10/20/1998 |
| 5656070 | Corrosion inhibiting compositions containing plant derived catechol complexes Corrosion inhibiting composition include the use of certain plant derived catechol complexes in aqueous based compositions, such as process water, and other aqueous and non-aqueous solvent based coating compositions. The compositions have corrosion inhibi... | 08/12/1997 |
| 5387333 | Process for producing optically isotropic pitch An optically isotropic pitch can be obtained by a two-stage heat-treatment which combines a heat treatment with air-blowing under normal pressure with a heat treatment with air-blowing under a reduced pressure. Such a pitch is suitable for using as a raw ... | 02/07/1995 |
| 5310479 | Process for reducing the sulfur content of a crude A process for reducing the aliphatic sulfur content of a crude oil in a production site is disclosed. A crude oil with a high aliphatic sulfur content is treated at ambient reaction temperature with an oxidant which comprises formic acid and hydrogen pero... | 05/10/1994 |
| 5288390 | Polycyclic aromatic ring cleavage (PARC) process A process for the processing or upgrading of heavy oil fractions containing polynuclear aromatics is disclosed. The process comprises selectively oxidizing a feedstock under low severity conditions in a multi-phase system, wherein one phase is an aqueous ... | 02/22/1994 |
| 5126037 | Geopreater heating method and apparatus A separate heat source, such an a skin effect heater, is added to a subterranean heat exchanger and oxygen combustion device for upgrading viscous crude oil feeds. An insulated wire is integrated with combustion oxygen supply piping to form the skin effec... | 06/30/1992 |
| 5120428 | Deashing of heavy hydrocarbon residues A process is described for removing mineral or ash constituents from heavy hydrocarbon residues, such as those resulting from coal-oil coprocessing, residue hydrocracking or coal liquifaction. The process comprises the steps of: (a) intimately mixing the ... | 06/09/1992 |
| 4975176 | Process for the production of bitumens of a high penetration value, apparatus for carrying it out, and products thus obtained The process permits to produce bitumens having a high penetration value by oxidation of base bitumens with small volumes of gaseous oxidizers, preferably air, at a temperature between 170° and 250°, preferably 200° C., by turbodispersion of the gaseous... | 12/04/1990 |
| 4883581 | Pretreatment for reducing oxidative reactivity of baseoils Method of producing a baseoil having a reduced coking tendency by removing precursors from the baseoil. Baseoil having reduced coking tendencies which comprises a substantially no coking precursors therein.... | 11/28/1989 |
| 4839022 | Method and apparatus for treating oil-water-solids sludges and refinery waste streams Heavy hydrocarbon containing sludges such as refinery waste streams, oil storage tank sludges and marine oil tanker ballast are treated by passing the sludges in a flow stream through an indirect dryer to vaporize liquids having a boiling point at atmosph... | 06/13/1989 |
| 4818371 | Viscosity reduction by direct oxidative heating A method is disclosed for reducing the viscosity of a hydrocarbon feed. The feed is heated from an initial temperature to a second temperature and an oxidizing agent is introduced to oxidize components in the feed and provide heat to increase the temperat... | 04/04/1989 |
| 4752379 | Arsenic removal from shale oil by oxidation Arsenic is removed from shale oil by the addition of oxidizing agents.... | 06/21/1988 |
| 4743353 | Oxidation process A hydrocarbon conversion catalyst containing a Group VIB metal on a porous refractory oxide is prepared by impregnating support particles with a solution containing Group VIB metal components and citric acid, followed by drying and calcining. The catalyst... | 05/10/1988 |
| 4723963 | Fuel having improved cetane A middle distillate hydrocarbon fuel boiling in the range of about 160° C. to about 400° C. having an improved cetane number is disclosed. The fuel comprises at least about 3 weight percent oxygenated compounds preferably at least about 3 weight percent... | 02/09/1988 |
| 4631384 | Bitumen combustion process Process for the combustion of bitumen, wherein the bitumen is softened by preheating and is then introduced into a combustion chamber, traversed by oxygen in excess subject to ionization by an intense ultra-high frequency field, so as to raise the surface... | 12/23/1986 |
| 4568450 | Hydrocarbon conversion process A hydrocarbon conversion catalyst containing a Group VIB metal on a porous refractory oxide is prepared by impregnating support particles with a solution containing Group VIB metal components and citric acid, followed by drying and calcining. The catalyst... | 02/04/1986 |
| 4533458 | Redox catalyst plus promoter for oxidation of hydrocarbons Liquid hydrocarbons are oxidized in the presence of a redox catalyst metal in combination with an alkali metal or alkaline metal promoter.... | 08/06/1985 |
| 4502949 | Catalytic oxidation of mercaptan in petroleum distillate A process for sweetening a sour hydrocarbon fraction containing mercaptan which comprises reacting mercaptan contained in the hydrocarbon fraction with an oxidizing agent by contacting the hydrocarbon fraction and the oxidizing agent with a supported meta... | 03/05/1985 |
| 4426329 | One step modification and oxidation of waxes This invention relates to a one step process of oxidizing a natural or synthetic non-benzenoid hydrocarbon wax in the presence of a metal oxide or hydroxide, such as potassium, sodium or lithium oxide or hydroxide, and to the product formed by such oxidat... | 01/17/1984 |
| 4424107 | Organic surfactant oxidation promoters for hydrocarbons Liquid hydrocarbons are oxidized in the presence of an organic surfactant promoter.... | 01/03/1984 |
| 4390472 | Process for the oxidation of hydrocarbons The process for the catalytic oxidation of hydrocarbons and more particularly of petrolatum of similar raw material having a high content in microcrystalline waxes comprises introducing a molecular oxygen-containing gas into melted petrolatum in the prese... | 06/28/1983 |
| 4370218 | Inorganic salt oxidation promoters for hydrocarbons Liquid hydrocarbons are oxidized in the presence of an inorganic salt promoter.... | 01/25/1983 |
| 4280818 | Novel compositions of matter and process for utilizing same A process for producing a novel composition of matter which comprises oxidizing a hydrocarbon oil with aqueous nitric acid, separating from the resulting oxidation product an aqueous phase and an oxidized hydrocarbon phase as the novel composition of matt... | 07/28/1981 |
| 4199431 | Oxidation of petrolatums in the presence of halide salts Petrolatums are oxidized to high acid numbers by agitating a liquid petrolatum charge with the halide salt of an alkali metal, alkali earth metal or substituted ammonium halide while forcing gaseous air or oxygen through the liquid charge.... | 04/22/1980 |
| 4198285 | Oxidation of hydrocarbon waxes in the presence of sulfobetaines Hydrocarbon waxes are oxidized to high acid numbers by agitating the liquid hydrocarbon wax with a sulfobetaine while forcing gaseous air or oxygen through the liquid charge.... | 04/15/1980 |
| 4192812 | Oxidation of waxes in the presence of long chain quaternary ammonium and phosphonium compounds The oxidation of hydrocarbon waxes to corresponding fatty acids through the use of conventional catalysts and oxidizing gases such as air is promoted by the addition of quaternary ammonium and phosphonium salts to the catalyst-wax mixture.... | 03/11/1980 |
| 4186077 | Oxidation of hydrocarbon waxes in the presence of amine oxides Hydrocarbon waxes are oxidized to high acid numbers by agitating the liquid hydrocarbon wax with an amine oxide while forcing gaseous air or oxygen through the liquid charge.... | 01/29/1980 |
| 4145273 | Transformer oil processing A transformer oil processing sequence is disclosed. The process comprises contacting a naphthenic based oil with an oxygen-containing gas in the presence of a permanganate under mild oxidation conditions of temperature and pressure and caustic washing the... | 03/20/1979 |
| 4140619 | Wax treating process The molecular weight of a solid paraffin wax having an oil content of no more than about 2% by weight is increased by contacting the wax at elevated temperature with at least about 5% by weight of an organic peroxide.... | 02/20/1979 |
