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| Number | Title | Issue Date |
| 7776205 | Process to upgrade hydrocarbonaceous feedstreams The instant invention relates to a process to produce liquid products through the hydroprocessing of hydrocarbonaceous feedstreams in the presence of a bulk metal hydroprocessing catalyst. ... | 08/17/2010 |
| 7338924 | Oil-in-water-in-oil emulsion An oil-in-water-in-oil emulsion (O/W/O) comprising a first oil-in-water emulsion dispersed in a second oil, and a method of preparing the same. The O/W/O emulsion can be used as a drive fluid in an enhanced oil recovery process. The O/W/O emulsion of this invention ... | 03/04/2008 |
| 7186673 | Stability enhanced water-in-oil emulsion and method for using same A method for enhancing the stability of a water-in-oil emulsion pretreating at least a portion of the oil prior to emulsification. The pretreatment step may consist of adding polymers to the oil, biotreating the oil, photochemically treating the oil, or combinations... | 03/06/2007 |
| 7121339 | Solids-stabilized oil-in-water emulsion and a method for preparing same A solids-stabilized oil-in-water emulsion and a method for preparing the solids-stabilized oil-in-water emulsion. The oil-in-water emulsion is formed by combining oil, water, solid particles and a pH enhancing agent and mixing until the solid-stabilized oil-in-water... | 10/17/2006 |
| 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 |
| 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 |
| 6325986 | Method for reducing hydrogen chloride emissions from air-blown asphalt In a method for reducing hydrogen chloride emissions from an asphalt air-blowing process, an asphalt is subjected to an air-blowing process where air is bubbled through hot asphalt to raise the softening point of the asphalt. The fumes from the air-blowin... | 12/04/2001 |
| 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 |
| 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 |
| 4530757 | Process for upgrading heavy crude oils A combination process of oxidation/mild coking and in-situ deasphalting provides a process wherein upgraded crude with high levels of demetalation and low solids rejection is produced.... | 07/23/1985 |
| 4456524 | Process for enhancing catalytic response of asphalt oxidation catalyst Sodium carbonate, sodium sesquicarbonate and other carbonate catalysts ground to fine particle sizes (95% plus passing through a 200 mesh sieve (75 μm) are more active than commercially available grades of such catalysts when oxidizing asphalt fluxes, pe... | 06/26/1984 |
| 4456523 | Processes for producing high grade asphaltic materials from low grade bituminous materials and products resulting therefrom Disclosed is a process for producing high grade asphaltic materials from low grade bituminous materials and the improved products resulting therefrom. More particularly, there is disclosed a process utilizing a particular type of oxidation catalyst in pre... | 06/26/1984 |
| 4370218 | Inorganic salt oxidation promoters for hydrocarbons Liquid hydrocarbons are oxidized in the presence of an inorganic salt promoter.... | 01/25/1983 |
| 4202755 | Catalytic method for making pitch A method for making pitch from petroleum bottoms fractions by air blowing in the presence of about 1 percent by weight of metallic sodium. The method reduces processing time by about one-third and the product is of the desired high density of about 1.25 g... | 05/13/1980 |
| 4039423 | Preparation of petroleum pitch A process having a particular sequence of steps, each under specified conditions, for preparing a petroleum pitch binder suitable for electrodes used in smelting aluminum is disclosed. In the essential steps of the invention a decant oil petroleum fractio... | 08/02/1977 |
| 4013540 | Petroleum pitch preparation A process having a specified sequence of steps for preparing a petroleum pitch binder suitable for electrodes used in smelting aluminum is disclosed, in which a decant oil petroleum fraction is oxy-activated under specified conditions of temperature, pres... | 03/22/1977 |
