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| Number | Title | Issue Date |
| 7585487 | Composition for the removal of heavy metals from gases A composition, containing vanadium and a support, wherein at least a portion of the vanadium has crystallite sizes of less than about 100 Å as determined by an analytical method such as X-Ray Diffraction, is disclosed. A method of preparing such composition is als... | 09/08/2009 |
| 7504080 | Process for the removal of heavy metals from gases, and compositions therefor and therewith A composition containing vanadium, and an amorphous carbon selected from the group consisting of an activated carbon, an activated charcoal, and combinations thereof, which is heated to a calcination temperature at or less than about 210° C. A method of preparing s... | 03/17/2009 |
| 7498290 | Mercury removal sorbent A sorbent composition comprising a vanadium compound and a TiO2 support material is disclosed. Methods of making and using the composition to remove heavy metals or heavy metal containing compounds from a fluid stream are also provided. Such methods are p... | 03/03/2009 |
| 7419602 | Selenium removal from water A process for removing selenium from a water stream, in particular a waste water stream, by: 1) the addition thereto of a ferric salt, followed by 2) the addition of a cupric salt and pH adjustment to a pH value in the range of from about 6.5 to about 8.0, thereby f... | 09/02/2008 |
| 7405339 | Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith A process of contacting at least one isoparaffin and at least one C5 olefin in the presence of a catalyst composition under conversion conditions to provide for converting the at least one isoparaffin and the at least one C5 olefin is provided.... | 07/29/2008 |
| 7404944 | Sulfate removal from ethanol A process for removing sulfates such as hydrogen sulfate, sodium sulfate, and chloride from an ethanol stream by contacting the ethanol stream with a clay material to thereby remove at least a portion of the sulfates. ... | 07/29/2008 |
| 7404939 | Mercury removal sorbent A sorbent composition comprising a vanadium compound and a TiO2 support material is disclosed. Methods of making and using the composition to remove heavy metals or heavy metal containing compounds from a fluid stream are also provided. Such methods are p... | 07/29/2008 |
| 7399456 | Process for the removal of heavy metals from gases, and compositions therefor and therewith A composition, containing vanadium, phosphorus and a support is disclosed. A method of preparing such composition is also disclosed. The composition is employed in a process to remove a heavy metal from a gaseous feed stream which can optionally include a separate h... | 07/15/2008 |
| 7399457 | Process for the removal of heavy metals from gases, and compositions therefor and therewith A composition containing silica and vanadium, wherein at least a portion of the vanadium is present as a distorted octahedral and in a phase selected from the group consisting of amorphous, nano-crystalline, and combinations thereof, is disclosed. A method of prepar... | 07/15/2008 |
| 7384539 | Optimized preheating of hydrogen/hydrocarbon feed streams An improved and simplified hydrocarbon processing system is provided which has a mixing section for mixing of hydrogen and hydrocarbon to form combined, two-phase streams, as well as an indirect heat exchange section having a plurality of double-pass shell-and-tube ... | 06/10/2008 |
| 7166556 | Isoparaffin-olefin alkylation A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as a blending component of gasoline motor fuel. The novel catalyst comprise... | 01/23/2007 |
| 7091152 | Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith A process of contacting at least one isoparaffin and at least one C5 olefin in the presence of a catalyst composition under conversion conditions to provide for converting the at least one isoparaffin and the at least one C5 olefin is provided.... | 08/15/2006 |
| 7030053 | Catalyst composition comprising ruthenium and a treated silica support component and processes therefor and therewith for preparing high molecular weight hydrocarbons such as polymethylene A catalyst composition and a process of using a catalyst composition for preparing high molecular weight hydrocarbons, such as polymethylene, from a fluid containing hydrogen and carbon monoxide are disclosed. The catalyst composition contains ruthenium and a treate... | 04/18/2006 |
| 6956064 | Catalyst composition comprising ruthenium and zirconium and processes therefor and therewith for preparing high molecular weight hydrocarbons such as polymethylene A catalyst composition and a process of using a catalyst composition for preparing high molecular weight hydrocarbons, such as polymethylene, from a fluid containing hydrogen and carbon monoxide are disclosed. The catalyst composition contains ruthenium and zirconiu... | 10/18/2005 |
| 6878350 | Method for reducing organic fluoride levels in hydrocarbons A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon mixture by first passing the hydrocarbon mixture to an eductor and educting into the hydrocarbon mixture a catalyst comprising a volatility reducing additive a... | 04/12/2005 |
| 6812369 | Hydrotreating catalyst composition and processes therefor and therewith A composition comprises a hydrogenation catalyst supported on an inorganic support which comprises aluminum, zirconium, and a borate. A process for producing the composition comprises the steps of (1) contacting an aluminum salt, a zirconium salt, and an acidic boro... | 11/02/2004 |
| 6802959 | Separation of olefinic hydrocarbons from sulfur-containing hydrocarbons by use of a solvent A process for separating olefins from sulfur-containing hydrocarbons contained in a hydrocarbon feedstock is disclosed and includes contacting the hydrocarbon feedstock with N-hydroxyethyl pyrollidone in a contacting zone, removing at least one olefin overhead from ... | 10/12/2004 |
| 6709638 | Alkylation process A system and/or process for removing water from an alkylation catalyst mixture of an alkylation process is disclosed. The process includes passing an alkylation reaction zone effluent to a settler for separation into a hydrocarbon phase and a catalyst mixture phase;... | 03/23/2004 |
| 6675893 | Single placement well completion system A single placement well completion system wherein a perforating gun is vertically positioned alongside a filter in a cased subterranean well. The position of the filter and perforating gun remains fixed relative to the casing during perforating, fracturin... | 01/13/2004 |
| 6617556 | Method and apparatus for heating a submarine pipeline A novel system for inductively heating a fluid conduit using an electrical cable located proximate the fluid conduit. Electricity is conducted to the cable in either a powering mode, in which a powered system is electrically coupled to the cable and subst... | 09/09/2003 |
| 6610196 | Catalytic reforming process A substantially water-free hydrocarbon feed is charged to a reformer reactor operated under reforming conditions; thereafter, a chlorine-containing additive is introduced, without the simultaneous introduction of water, into the substantially water-free h... | 08/26/2003 |
| 6593264 | Catalytic reforming catalyst activation A reforming catalyst containing a Group VIII metal, or a Group VII B metal, or tin, or germanium, or copper, or selenium or combinations of any two or more metals or oxides thereof is activated by: a) continuously flowing a reducing gas over the catalyst ... | 07/15/2003 |
| 6573416 | Hydrocarbon disproportionation A process for disproportionating isoparaffins and paraffins in the presence of at least one initiator is disclosed. The product from the disproportionation contains a gasoline range material having a higher octane-rating than the isoparaffins and paraffin... | 06/03/2003 |
| 6562231 | Catalyst composition and processes therefor and therewith A composition comprises silicon, aluminum, zirconium, and boron. A process for producing the composition comprises contacting a silicon compound, an aluminum compound, a zirconium compound, and a boron compound under a condition sufficient to effect the p... | 05/13/2003 |
| 6558532 | Catalytic reforming process While a substantially water-free hydrocarbon feed is being charged to a catalytic reformer reactor, an organic chloride is contacted with the reformer catalyst in an amount and for a time period that are effective to restore at least a portion of the acti... | 05/06/2003 |
| 6558646 | Method for increasing the lifetime of stretford solution A method is provided for increasing the lifetime of Stretford solution by reducing or eliminating the generation of undesirable thiosulfate salts. The method has three major aspects. First, thiocyanate is added to the Stretford solution. Second, the conce... | 05/06/2003 |
| 6552241 | Alkylation process A system and/or process for removing water from an alkylation catalyst mixture of an alkylation process is disclosed. The process includes passing an alkylation reaction zone effluent to a settler for separation into a hydrocarbon phase and a catalyst mix... | 04/22/2003 |
| 6503465 | Two-stage isomerization of saturated C6 hydrocarbons A process and/or system is provided for isomerizing a hydrocarbon feedstock comprising saturated C6 hydrocarbons by contacting the hydrocarbon feedstock, in the presence of hydrogen and optionally a chloride, with a first isomerization catalyst... | 01/07/2003 |
| 6491887 | Supported sulfur compositions and the preparation and use thereof A solid combination of elemental sulfur and an inorganic support material prepared in an inert atmosphere to provide a composition for absorbing trialkyl arsines. The composition prepared thereby and the method for absorbing trialkyl arsines using the com... | 12/10/2002 |
| 6478952 | Catalytic reforming process including the addition of organic aluminum halide Deactivation of a reformer catalyst is inhibited by charging a hydrocarbon feed having a concentration of an organic aluminum halide compound to a reformer reactor operating under reforming conditions and containing a reformer catalyst.... | 11/12/2002 |
| 6472340 | Catalytic reforming catalyst activation Catalyst activation of a platinum reforming catalyst system contained in a multiple reactor system by simultaneously reducing the catalyst with hydrogen while introducing a nonmetallic chlorine-containing compound into a reactor of the multiple reactor sy... | 10/29/2002 |
| 6458266 | Catalytic reforming process with inhibition of catalyst deactivation A substantially water-free hydrocarbon feed is charged to a multiple-reactor reformer system being operated under reforming conditions and comprising at least two reformer reactors serially connected in fluid-flow communication and each containing a refor... | 10/01/2002 |
| 6455461 | Hydrotreating catalyst composition and processes therefor and therewith A composition comprises a hydrogenation catalyst supported on an inorganic support which comprises aluminum, zirconium, and a borate. A process for producing the composition comprises the steps of (1) contacting an aluminum salt, a zirconium salt, and an ... | 09/24/2002 |
| 6451173 | Separator system An improved apparatus useful in a process for separating a liquid stream (which can be an HF catalyst mixture) having a first liquid component (which can be HF), a second liquid component (which can be light ASO) and a third liquid component (which can be... | 09/17/2002 |
| 6426441 | Method for reducing organic fluoride levels in hydrocarbons A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon mixture by first passing the hydrocarbon mixture to an eductor and educting into the hydrocarbon mixture a catalyst comprising a volatility reducing... | 07/30/2002 |
| 6423880 | Isopentane disproportionation A novel i-pentane disproportionation process is provided and includes contacting i-pentane with an acidic disproportionation catalyst in the presence of a lower paraffin co-feed and, optionally, in the presence of an initiator.... | 07/23/2002 |
| 6423211 | Method for reducing organic fluoride levels in hydrocarbons A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon mixture by first passing the hydrocarbon mixture to an eductor and educting into the hydrocarbon mixture a catalyst comprising a volatility reducing... | 07/23/2002 |
| 6415649 | Method for laboratory measurement of capillary pressure in reservoir rock An effective laboratory method for developing complete capillary pressure curves involves directly measuring an oil/water saturation profile within a cylindrical porous rock core plug. The saturation profile, which includes a free water level, is establis... | 07/09/2002 |
| 6413897 | Method for regenerating an alkylation catalyst Disclosed is an alkylation process which utilizes a catalyst containing hydrogen fluoride, and, optionally, a volatility reducing additive, as an alkylation catalyst. The process provides for the regeneration of an alkylation catalyst having ASO, and, opt... | 07/02/2002 |
| 6410472 | Catalytic reforming catalyst activation Catalyst activation of a platinum reforming catalyst system contained in a multiple reactor system by simultaneously reducing the catalyst with a sustained hydrogen flow through the multiple reactor system while introducing a nonmetallic chlorine-containi... | 06/25/2002 |
