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| Number | Title | Issue Date |
| 8105481 | Reduction of organic halide contamination in hydrocarbon products A method for reducing halide concentration in a hydrocarbon product having an organic halide content from 50 to 4000 ppm which is made by a hydrocarbon conversion process using an ionic liquid catalyst comprising a halogen-containing acidic ionic liquid comprising c... | 01/31/2012 |
| 7988747 | Production of low sulphur alkylate gasoline fuel A method for producing a low sulphur containing fuel from a hydrocarbon feed having from 10 to 80 ppm of sulphur is disclosed. The method comprises contacting a hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms and at least one paraff... | 08/02/2011 |
| 7956230 | Reduction of organic halide contamination in hydrocarbon products A method for reducing halide concentration in a hydrocarbon product made by a hydrocarbon conversion process using an ionic liquid catalyst comprising a halogen-containing an acidic ionic liquid comprising: (i) separating at least a portion of the hydrocarbon produc... | 06/07/2011 |
| 7956002 | Ionic liquid catalyst regenerated using a regeneration metal in the presence of added hydrogen An ionic liquid catalyst, which has been regenerated by contacting a used ionic liquid catalyst with at least one regeneration metal in a regeneration zone in the presence of added hydrogen under regeneration conditions for a time sufficient to increase the activity... | 06/07/2011 |
| 7955498 | Reduction of organic halide contamination in hydrocarbon products A method for reducing halide concentration in a hydrocarbon product having an organic halide content which is made by a hydrocarbon conversion process using a halogen-containing acidic ionic liquid catalyst comprising contacting at least a portion of the hydrocarbon... | 06/07/2011 |
| 7915468 | Isomerization of butene in the ionic liquid-catalyzed alkylation of light isoparaffins and olefins A process for producing alkylate comprising contacting a first hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms which contains 1-butene with an isomerization catalyst under conditions favoring the isomerization of 1-butene to 2-buten... | 03/29/2011 |
| 7902419 | Reduction of organic halides in alkylate gasoline An alkylation process comprising contacting a first hydrocarbon feed comprising at least one olefin having from 2 to 6 carbon atoms and a second hydrocarbon feed comprising at least one isoparaffin having from 3 to 6 carbon atoms with a halide-based acidic ionic liq... | 03/08/2011 |
| 7884045 | Regeneration of ionic liquid catalyst and recovery of an oil A process for regenerating a used acidic ionic liquid catalyst, comprising: a. contacting the catalyst and hydrogen with a supported hydrogenation catalyst under hydrogenation conditions; and b. recovering a conjunct polymer that is a clear and colorless oil from th... | 02/08/2011 |
| 7825055 | Regeneration of ionic liquid catalyst using a regeneration metal in the presence of added hydrogen A process for regenerating a used acidic ionic liquid catalyst comprising contacting the used ionic liquid catalyst with at least one ‘regeneration’ metal in a regeneration zone in the presence of added hydrogen under regeneration conditions for a time sufficien... | 11/02/2010 |
| 7807597 | Regeneration of ionic liquid catalyst using a regeneration metal in the presence of added hydrogen A process for regenerating a used acidic ionic liquid catalyst comprising contacting the used ionic liquid catalyst with at least one ‘regeneration’ metal in a regeneration zone in the presence of added hydrogen under regeneration conditions for a time sufficien... | 10/05/2010 |
| 7776206 | Production of high quality lubricant bright stock A process for producing a lubricant bright stock from a very heavy feed obtained from a petroleum crude is disclosed. The bright stock produced by the present process has a reduced cloud point and better oxidation stability relative to bright stocks prepared by conv... | 08/17/2010 |
| 7754636 | Removal of excess metal halides from regenerated ionic liquid catalysts A process for removing metal halides from regenerated ionic liquid catalyst comprising interacting a regenerated ammonium-based metal-halide ionic liquid catalyst or an ammonium-based metal-halide ionic liquid catalyst undergoing regeneration with either the parent ... | 07/13/2010 |
| 7737067 | Regeneration of ionic liquid catalyst A process for regenerating a used ionic liquid catalyst comprising a cationic component and an anionic component, which catalyst has been deactivated by conjunct polymers complexed with the anionic component comprising the steps of adding a reagent which is capable ... | 06/15/2010 |
| 7732363 | Regeneration of acidic catalysts A process for regenerating a used acidic catalyst which has been deactivated by conjunct polymers by removing the conjunct polymers so as to increase the activity of the catalyst is disclosed. Methods for removing the conjunct polymers include hydrogenation, additio... | 06/08/2010 |
| 7727925 | Regeneration of ionic liquid catalyst by hydrogenation using metal and acid A process for regenerating a used acidic ionic liquid catalyst which has been deactivated by conjunct polymers comprising combining the used catalyst, a metal and a Broensted acid which acts a source of hydrogen in a reaction zone under hydrogenation conditions for ... | 06/01/2010 |
| 7691771 | Regeneration of ionic liquid catalyst by hydrogenation using a supported catalyst A process for regenerating a used acidic ionic liquid catalyst comprising the steps of contacting the used ionic liquid catalyst and hydrogen with a supported hydrogenation catalyst comprising a hydrogenation component on a support in a reaction zone under hydrogena... | 04/06/2010 |
| 7678727 | Regeneration of ionic catalyst by hydrogenation using a homogeneous catalyst A process for regenerating a used acidic ionic liquid catalyst comprising the steps of contacting the used ionic liquid catalyst and hydrogen with a homogeneous hydrogenation catalyst in a reaction zone under hydrogenation conditions for a time sufficient to increas... | 03/16/2010 |
| 7674740 | Regeneration of ionic liquid catalysts A process for regenerating a used acidic ionic liquid catalyst comprising contacting the used ionic liquid catalyst with an isoparaffin-containing stream and Broensted acid in a reaction zone under alkylation conditions for a time sufficient to increase the activity... | 03/09/2010 |
| 7674739 | Regeneration of ionic liquid catalyst using a metal in the absence of added hydrogen A process for regenerating a used acidic ionic liquid catalyst comprising contacting the used ionic liquid catalyst with at least one metal in a regeneration zone in the absence of added hydrogen under regeneration conditions for a time sufficient to increase the ac... | 03/09/2010 |
| 7666811 | Ionic liquid catalyst having enhanced activity A process for producing acidic ionic liquid catalyst having enhanced activity comprising combining fresh acidic ionic liquid catalyst, a metal and a Broensted acid in a reaction zone for a time sufficient to increase the activity of the ionic liquid catalyst is disc... | 02/23/2010 |
| 7651970 | Regeneration of ionic liquid catalyst by hydrogenation using a metal or metal alloy catalyst A process for regenerating a used acidic ionic liquid catalyst which has, been deactivated comprising the steps of contacting the used chloroaluminate ionic liquid catalyst and hydrogen with a metal hydrogenation catalyst in a reaction zone under hydrogenation condi... | 01/26/2010 |
| 7594992 | Highly homogeneous amorphous silica-alumina catalyst composition Silica-alumina catalyst compositions and to a process for converting hydrocarbonaceous feed using the catalyst are disclosed. The present invention relates to a highly homogeneous, amorphous silica-alumina cogel material, the attributes of which make it especially u... | 09/29/2009 |
| 7553999 | Isomerization of butene in the ionic liquid-catalyzed alkylation of light isoparaffins and olefins A process for producing alkylate comprising contacting a first hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms which contains 1-butene with an isomerization catalyst under conditions favoring the isomerization of 1-butene to 2-buten... | 06/30/2009 |
| 7538256 | Reduction of organic halides in alkylate gasoline An alkylation process comprising contacting a first hydrocarbon feed comprising at least one olefin having from 2 to 6 carbon atoms and a second hydrocarbon feed comprising at least one isoparaffin having from 3 to 6 carbon atoms with a halide-based acidic ionic liq... | 05/26/2009 |
| 7531707 | Alkylation process using an alkyl halide promoted ionic liquid catalyst A process for the production of a high quality gasoline blending components from refinery process streams by the alkylation of light isoparaffins with olefins using an ionic liquid catalyst is disclosed. The alkylation process comprises contacting a hydrocarbon mixt... | 05/12/2009 |
| 7495144 | Alkylation process using an alkyl halide promoted ionic liquid catalyst A process for the production of a high quality gasoline blending components from refinery process streams by the alkylation of light isoparaffins with olefins using an ionic liquid catalyst is disclosed. The alkylation process comprises contacting a hydrocarbon mixt... | 02/24/2009 |
| 7432409 | Alkylation process using chloroaluminate ionic liquid catalysts A process for the production of a high quality gasoline blending components from refinery process streams by the alkylation of light isoparaffins with olefins using an ionic liquid catalyst is disclosed. The process includes reacting a refinery stream containing iso... | 10/07/2008 |
| 7432408 | Integrated alkylation process using ionic liquid catalysts An integrated refining process for the production of high quality gasoline blending components from low value components is disclosed. In addition there is disclosed a method of improving the operating efficiency of a refinery by reducing fuel gas production and sim... | 10/07/2008 |
| 7348293 | Homogeneous modified-alumina Fischer-Tropsch catalyst supports A homogeneous, amorphous catalyst support comprising a modifying-metal-oxide and a base-metal oxide, the catalyst support having a Surface to Bulk modifying-metal/base-metal atomic ratio of from about 0.6 to about 1.3 and exhibiting an X-ray diffraction having broad... | 03/25/2008 |
| 7282152 | Selenium removal method The present invention provides a method for removing selenium from an aqueous stream by passing the aqueous stream, in combination with a quaternary amine compound, through a filter and recovering a treated aqueous stream which is depleted in selenium content relati... | 10/16/2007 |
| 7282617 | Process of making a highly stable aromatic alkylate suitable for use in making improved additives and surfactants A process for making medium and long chain alkylaromatics and alkylphenols having a high level of anti-Markovnikov addition of the alkyl group. The alkylaromatics and alkylphenols made by the process of the present invention have enhanced stability and are particula... | 10/16/2007 |
| 7144497 | Blending of low viscosity Fischer-Tropsch base oils with conventional base oils to produce high quality lubricating base oils A process for producing a lubricating base oil blend which comprises (a) recovering a Fischer-Tropsch derived distillate fraction characterized by a kinematic viscosity of about 2 cSt or greater but less than 3 cSt at 100 degrees C.; and (b) blending the Fischer-Tro... | 12/05/2006 |
| 7141157 | Blending of low viscosity Fischer-Tropsch base oils and Fischer-Tropsch derived bottoms or bright stock A process for preparing Fischer-Tropsch derived lubricating base oils by blending a Fischer-Tropsch distillate fraction having a viscosity of 2 or greater but less than 3 cSt at 100 degrees C. with a Fischer-Tropsch derived bottoms fraction; lubricating base oil com... | 11/28/2006 |
| 7124906 | Apparatus and method for protecting floating roof tanks from the effects of lightning strikes An apparatus and method for protecting a floating roof tank from the effects of a lightning strike are disclosed. In one aspect, the apparatus comprises an electrically conductive bonding strap in electrical communication with an inner tank wall and the floating roo... | 10/24/2006 |
| 7074740 | Catalyst for conversion processes An improved catalyst for hydrodesulfurization of heavy feedstocks is disclosed. The catalyst is adopted for on-stream catalyst replacement in upflow processing units. It is characterized by a smaller peak pore diameter than general purpose hydrotreating catalysts. | 07/11/2006 |
| 6995112 | Highly homogeneous amorphous silica-alumina catalyst composition Silica-alumina catalyst compositions and to a process for converting hydrocarbonaceous feed using the catalyst are disclosed. The present invention relates to a highly homogeneous, amorphous silica-alumina cogel material, the attributes of which make it especially u... | 02/07/2006 |
| 6902664 | Extremely low acidity USY and homogeneous, amorphous silica-alumina hydrocracking catalyst and process A catalyst composition comprising a minor amount of a low acidity, highly dealuminated ultra stable Y zeolite having an Alpha value of less than about 5, preferable less than about 3 and Broensted acidity measured by FT-IR from about 1 to about 20, preferably from a... | 06/07/2005 |
| 6872685 | Method for preparing a highly homogeneous amorphous silica-alumina composition Improved silica-alumina catalyst compositions are methods for preparing such catalyst compositions are disclosed. The present invention relates to a method for preparing a highly homogeneous, amorphous silica-alumina cogel catalyst. Silica-alumina according to the p... | 03/29/2005 |
| 6860986 | Extremely low acidity ultrastable Y zeolite catalyst composition and process A catalyst composition comprising a low acidity, highly dealuminated ultra stable Y zeolite having an Alpha value of less than about 3 and Broensted acidity measured by FT-IR from about 1 to about 20, preferably from about 1-10, micro mole/g of, an amorphous crackin... | 03/01/2005 |
| 6566569 | Conversion of refinery C5 paraffins into C4 and C6 paraffins A process for preparing a C4- product stream and a C6 + product stream is disclosed. The process involves contacting a C5 containing paraffinic feedstock with a catalyst that includes a hydrogenation/dehydrogenation cataly... | 05/20/2003 |
