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| Number | Title | Issue Date |
| 8048294 | Process for reducing bromine index of hydrocarbon feedstocks A process for reducing the Bromine Index of a hydrocarbon feedstock, the process comprising the step of contacting the hydrocarbon feedstock with a catalyst at conversion conditions, wherein the catalyst includes at least one molecular sieve and at least one clay, a... | 11/01/2011 |
| 7935248 | Adsorbents for denitrogenation desulfurization of hydrocarbon oils and methods of producing The present invention provides adsorbents for deep denitrogenation/desulfurization of hydrocarbon oils, and more particularly to an adsorbent material that selectively adsorbs organonitrogen and organosulfur from transportation fuels at room temperature and atmosphe... | 05/03/2011 |
| 7731839 | Process for reducing bromine index of hydrocarbon feedstocks A process for reducing the Bromine Index of a hydrocarbon feedstock, the process comprising the step of contacting the hydrocarbon feedstock with a catalyst at conversion conditions, wherein the catalyst includes at least one molecular sieve and at least one clay, a... | 06/08/2010 |
| 7435330 | Heavy oil reforming method, an apparatus therefor, and gas turbine power generation system A heavy oil reforming method which reforms a heavy oil to give a fuel suitable for a gas turbine, eliminates sulfur and vanadium, i.e., harmful components, from a heavy oil, and enables almost all the hydrocarbons in the heavy oil to be used in gas turbine combustio... | 10/14/2008 |
| 7416655 | Selective adsorbent material and its use An adsorbent composition comprising a nanostructured titanium oxide material of the formula TiO2-, where 0≦×≦1 with nanotubular and/or nanofibrilar morphology, high oxygen deficiency, having an orthorhombic JT crystalline phase described by at least ... | 08/26/2008 |
| 7371318 | Method and catalysts for the elimination of sulphur compounds from the diesel fraction The invention relates to a process for the elimination of sulphur compounds from the diesel fraction, which is characterized in that an oxidising reaction of said sulphur compound is carried out by using at least an organic-inorganic composite as catalyst, said comp... | 05/13/2008 |
| 7175755 | Process for the extractive oxidation of contaminants from raw hydrocarbon streams A process for the extractive oxidation of contaminants from raw hydrocarbon streams rich in heteroatomic polar compounds is described, the said process involving the extractive oxidation of sulfur and nitrogen compounds from said streams, the said process comprising... | 02/13/2007 |
| 7153414 | Process for the upgrading of raw hydrocarbon streams A process for the upgrading of raw hydrocarbon streams rich in heteroatomic polar compounds and/or unsaturated moieties involving the extractive oxidation of sulfur, nitrogen, conjugated dienes and other unsaturated compounds from said streams, the said process comp... | 12/26/2006 |
| 6808621 | Fuel additive and fuel refining process Metal hydride compounds, which are prepared by mixing together from about 1 to about 10 parts by molecular weight of at least one metal selected from the group consisting of silicon, aluminum, tin, and zinc; from about 1 to about 3 parts by molecular weight of an al... | 10/26/2004 |
| 6793805 | Process for capturing mercury and arsenic comprising evaporation then condensation of a hydrocarbon-containing cut A process for capturing mercury and possibly arsenic comprising at least: a) vaporising (or flashing, step a1) then condensing a hydrocarbon-containing feed (step a2) without separating said feed; b) treating the effluent from step a2 comprising at lea... | 09/21/2004 |
| 6623629 | Process for eliminating arsenic in the presence of an absorption mass comprising partially pre-sulfurized lead oxide The invention concerns a process for eliminating arsenic from a hydrocarbon cut in which said cut is brought into contact with an absorption mass that is at least partially pre-sulfurized and comprises a support and lead oxide. The support, for example al... | 09/23/2003 |
| 6589418 | Method for selective cat naphtha hydrodesulfurization An improved catalyst activation process for olefinic naphtha hydrodesulfurization. This process maintains the sulfur removal activity of the catalyst while reducing the olefin saturation activity.... | 07/08/2003 |
| 6544409 | Process for the catalytic oxidation of sulfur, nitrogen and unsaturated compounds from hydrocarbon streams A process for the catalytic oxidation of sulfur and nitrogen contaminants as well as unsaturated compounds present in a hydrocarbon fossil oil medium is described, the process comprising effecting the oxidation in the presence of at least one peroxide, at... | 04/08/2003 |
| 6540904 | Process for the upgradation of petroleum residue The present invention provides a process for the upgradation of petroleum residue into useful fractions by subjecting petroleum residue in the presence of a solvent and ferrous sulphate catalyst to a pressure in the range of 10 atm. to 120 atm., temperatu... | 04/01/2003 |
| 6531103 | Process for removing sulfur compounds from gas and liquid hydrocarbon streams The present invention provides a process for removing sulfur compounds including sulfur in the (-2) oxidation state such as mercaptans, dialkyl sulfides, carbonyl sulfide, hydrogen sulfide, thiophenes and benzothiophenes, from liquid or gas feed streams, ... | 03/11/2003 |
| 6368496 | Decreasing bi-reactive contaminants Bromine reactive hydrocarbon contaminants are removed from aromatic streams by first providing an aromatic feedstream having a negligible diene level. The feedstream is contacted with an acid active catalyst composition under conditions sufficient to remo... | 04/09/2002 |
| 6338794 | Desulfurization with zinc titanate sorbents Particulate sorbent compositions comprising zinc titanate support having thereon a substantially reduced valence promotor metal selected from the group consisting of cobalt, nickel, iron, manganese, copper, molybdenum, tungsten, silver, tin and vanadium o... | 01/15/2002 |
| 6039865 | Removal of phosphates from hydrocarbon streams Phosphates can be removed from a hydrocarbon stream by contacting said stream with a ceramic formed of a basic material which is insoluble in the hydrocarbon stream. A ceramic as used in this patent document is a solid solution formed by calcination of a ... | 03/21/2000 |
| 6036849 | Process for the removal of hydrocarbons from soils A method of removing hydrocarbons from soils contaminated with various hydrocarbons such as gasoline, diesel fuel, solvents, motor oil and crude oil. The process first screens the soil to remove oversized rocks and debris and to reduce the contaminated so... | 03/14/2000 |
| 5961815 | Hydroconversion process The hydroconversion of heavy petroliferous stocks boiling mainly above 400° F. is carried out in a distillation column reactor where concurrently a petroleum stream is fed into a feed zone; hydrogen is fed at a point below said feed zone; the petroleum s... | 10/05/1999 |
| 5948238 | Metal compounds as accelerators for petroleum acid esterification The present invention relates to a process for reducing the acidity of a petroleum oil containing organic acids comprising treating said petroleum oil containing organic acids with an effective amount of an alcohol at a temperature and under conditions su... | 09/07/1999 |
| 5827421 | Hydroconversion process employing catalyst with specified pore size distribution and no added silica A process for hydrotreating a charge hydrocarbon feed containing components boiling above 1000° F. and sulfur, metals, and carbon residue, to provide product containing decreased levels of components having a boiling point greater than 1000° F., decreas... | 10/27/1998 |
| 5770041 | Non-enolizable oxygenates as antifoulants The invention is a method of inhibiting the formation of fouling deposits occurring on the surface of an alkaline scrubber used to remove acid gases, such as hydrogen sulfide, carbon dioxide and mercaptans, from hydrocarbon streams. These deposits are for... | 06/23/1998 |
| 5744025 | Process for hydrotreating metal-contaminated hydrocarbonaceous feedstock The present invention provides a process for hydrotreating a metal-contaminated hydrocarbonaceous feedstock of which at least 60% wt. boils at a temperature 370° C., the process comprising contacting the feedstock at elevated temperature and elevated pre... | 04/28/1998 |
| 5608112 | Process for reducing organic pollutants Nitrogen-containing substituents of aliphatic or aromatic compounds can be reduced by treatment with a reagent comprising (i) at least one complex of a transition metal of group 4 or 5 with a multidentate or unidentate organic or inorganic ligand and (ii)... | 03/04/1997 |
| 5601701 | Process for the elimination of mercury from hydrocarbons by passage over a presulphurated catalyst The invention concerns a process for the elimination of mercury from hydrocarbons by passage of the feedstock with hydrogen over a catalyst then bringing the product obtained into contact with a mercury retention bed, the catalyst comprising at least one ... | 02/11/1997 |
| 5401392 | Process for eliminating mercury and possibly arsenic in hydrocarbons For removing mercury and any arsenic in hydrocarbon charges containing mercury and sulfur, the charge is contacted with an arsenic collecting material having catalytic properties ("catalyst") in hydrogen, the material containing at least one metal selecte... | 03/28/1995 |
| 5294333 | Hydrorefining process employing a niobium trisulfide-containing catalyst Catalyst for hydrorefining hydrocarbon feedstocks including niobium trisulphide, said catalyst is particularly suited for the scission of carbon-nitrogen and carbon-sulphur bonds.... | 03/15/1994 |
| 5286373 | Selective hydrodesulfurization of naphtha using deactivated hydrotreating catalyst Naphtha is selectively hydrodesulfurized using deactivated hydrotreating catalyst to remove sulfur while minimizing loss in octane level due to olefin saturation.... | 02/15/1994 |
| 5236576 | Carbonaceous mineral refining process Reducing the ash content of hydrocarbonaceous materials containing bound oxygen by reaction with an oxygen deficient source of an oxygen-reactive element, except oxygen and hydrogen, preferably an oxygen deficient compound of silicon.... | 08/17/1993 |
| 4986898 | Method of removing mercury from hydrocarbon oils Trace amounts of mercury and its compounds present in hydrocarbon oil can be removed selectively and efficiently by bringing the hydrocarbon oils containing mercury and its compounds into contact with a certain treating agent after having heated such oils... | 01/22/1991 |
| 4946578 | Process for treating hydrocarbons A process for chemically modifying at least one component of a hydrocarbon-based material comprising: contacting the hydrocarbon-based material with at least one metal component selected from the group consisting of vanadium components in which vanadium i... | 08/07/1990 |
| 4946582 | Method of removing mercury from hydrocarbon oils A method of selective and efficient removal of mercury from a hydrocarbon oil comprising contacting said oil with a cupric and/or stannous compound forming a reaction system. The purified hydrocarbon oil can be readily separated from the reaction system. ... | 08/07/1990 |
| 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 |
| 4877513 | Oil characteristic improvement process and device therefor An oil characteristic improvement process and device therefor including methodology whereby the specific gravity and viscosity of heavy oil feedstock is reduced. The process includes the steps of forming a mixture of the heavy oil feedstock and one or mor... | 10/31/1989 |
| 4853110 | Method for separating arsenic and/or selenium from shale oil A process for removing arsenic and/or selenium from carbonaceous materials. The arsenic and/or selenium are separated by reaction with a metal oxide and/or metal sulfide which is itself derived from a metal complex, and organometallic compound and/or a me... | 08/01/1989 |
| 4695369 | Catalytic hydroconversion of heavy oil using two metal catalyst A process for converting heavy petroleum feedstocks to distillate products with reduced metals and asphaltene content by reaction with hydrogen in the presence of at least two metal catalysts, one a known hydrogenation catalyst and the other either zinc, ... | 09/22/1987 |
| 4599472 | Purification of iodine-containing mixtures and compositions useful therefor Hydrocarbon solutions containing iodine or iodine-containing impurities are rendered essentially color-free by distillation in the presence of small amounts of a hydrocarbon soluble organometallic compound.... | 07/08/1986 |
| 4596654 | Hydrofining catalysts A catalyst composition is prepared by dissolving a suitable vanadium and oxygen containing compound, a suitable nickel (II) compound and ammonia in water, mixing this solution with an alumina containing support material, and calcining this mixture. This c... | 06/24/1986 |
| 4588706 | Phosphorus containing hydrofining catalysts A catalyst composition is prepared by dissolving a suitable oxygen containing compound of a Group VIB metal (preferably Mo), a suitable compound of a Group VIII metal (preferably Ni) and phosphorous acid in water, mixing this solution with an alumina cont... | 05/13/1986 |
