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| Number | Title | Issue Date |
| 7686946 | Method of altering a feed to a reaction zone One exemplary embodiment can include a method of altering a feed to a transalkylation zone by changing a destination of a stream rich in an aromatic C9 for increasing production of at least one of benzene, toluene, para-xylene, and an aromatic gasoline blend. The me... | 03/30/2010 |
| 7563358 | Process for the production of benzene, toluene, and xylenes A hydrocarbon conversion process for producing an aromatics product containing of benzene, toluene, xylenes, or mixtures thereof. The process is carried out by converting precursors of benzene, toluene, and xylenes that are contained in a hydrocarbon feed (C6+ | 07/21/2009 |
| 7375049 | Catalyst A catalyst suitable for the dehydrogenation and hydrogenation of hydrocarbons comprises at least one first metal and at least one second metal bound to a support material. The at least one first metal comprises at least one transition metal, suitably a platinum grou... | 05/20/2008 |
| 7371706 | Catalyst for removing hydrocarbons from exhaust gas and method for purification of exhaust gas A catalyst for removing hydrocarbons from exhaust gas containing methane and an excess of oxygen, which comprises palladium or palladium/platinum supported on at least one carrier selected from zirconia, sulfated zirconia and tungsten-zirconia, and a method for trea... | 05/13/2008 |
| 7364712 | Catalyst for purifying methane-containing waste gas and method of purifying methane-containing waste gas This invention provides a catalyst for removing hydrocarbons from a combustion gas containing methane and containing an excess of oxygen, which comprises iridium supported on zirconium oxide; and a method of removing hydrocarbons from a combustion gas containing met... | 04/29/2008 |
| 7344633 | Process to prepare a base oil having a high saturates content A process to prepare a base oil having a saturates content of more than 90 wt %, a sulphur content of less than 0.03 wt %, and, a viscosity index of between 80 and 120 from a solvent refined base oil feedstock, which process comprises: (a) contacting th... | 03/18/2008 |
| 7332072 | Process to prepare a waxy raffinate A process to prepare a waxy raffinate product by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch derived feed, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tr... | 02/19/2008 |
| 7304195 | Process for increasing production of benzene from hydrocarbon mixture A process for increasing the production of benzene from a hydrocarbon mixture. A process for producing an aromatic hydrocarbon mixture and liquefied petroleum gas (LPG) from a hydrocarbon mixture, and a solvent extraction process for separating and recovering polar ... | 12/04/2007 |
| 7300565 | Process to prepare a microcrystalline wax and a middle distillate fuel The invention relates to a process to prepare a microcrystalline wax and a middle distillate fuel by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein the weight ratio of compounds having at least 60 or more carbon atoms and compound... | 11/27/2007 |
| 7297831 | Process of preparing aromatic hydrocarbons and liquefied petroleum gas from hydrocarbon mixture Disclosed is a process of preparing aromatic hydrocarbons and liquefied petroleum gas (LPG) from a hydrocarbon mixture, in which a non-aromatic compound in the hydrocarbon feedstock mixture is converted into a gaseous material having a large amount of LPG through hy... | 11/20/2007 |
| 7288502 | Catalyst particle usable for dehydrogenation of alcohols A catalyst particle containing an active metal and a carrier composed of a carbon material, wherein the active metal being supported by cavities on a surface of the carrier and their edge portions. The active metal is fixedly attached to the carrier for a long perio... | 10/30/2007 |
| 7285206 | Process to prepare a lubricating base oil and a gas oil A process to prepare a lubricating base oil and a gas oil by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-T... | 10/23/2007 |
| 7282137 | Process for preparing basestocks having high VI A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreating step is under conditions such that the amount of conversion to 343° C. minus is less than 5 wt. % of the feedstock an... | 10/16/2007 |
| 7271303 | Multi-zone process for the production of diesel and aromatic compounds A multi-zone process for the production of low sulfur diesel and aromatic compounds wherein C9+ hydrocarbons are hydrocracked to produce low sulfur diesel and a naphtha boiling range stream which is reformed and transalkylated within reforming ... | 09/18/2007 |
| 7247599 | Preferential oxidation catalyst and process for preparing the same Disclosed is a process for preparing a stable PROX reaction catalyst, comprising the steps of (a) preparing a catalyst platinum supported on alumina; (b) calcinating the catalyst from step (a) at 300˜600° C. for 2˜4 hours; (c) contacting the catalyst obtained fro... | 07/24/2007 |
| 7241375 | Heavy hydrocarbon composition with utility as a heavy lubricant base stock A heavy hydrocarbon composition with utility as a heavy hydrocarbon base stock comprising at least 95 wt % paraffin molecules, of which at least 90 wt % are isoparaffin, containing hydrocarbon molecules having consecutive numbers of carbon atoms, is a liquid at 100... | 07/10/2007 |
| 7241376 | Method for passing a fluid through a moving bed of particles A process for contacting a bed of particulate material, usually catalyst, with a transverse flow of fluid is disclosed. The particulate material moves or is prevented from not moving, while the fluid passes through the bed at a rate greater than the stagnant bed pin... | 07/10/2007 |
| 7232516 | Desulfurization with octane enhancement A desulfurization system employing a system of fluidizable and circulatable solid particles to desulfurize a hydrocarbon-containing fluid in a fluidized bed reactor. The solid particulate system includes solid sorbent particles operable to remove sulfur from the hyd... | 06/19/2007 |
| 7220350 | Wax isomerate yield enhancement by oxygenate pretreatment of catalyst A waxy hydrocarbon feed is catalytically treated with a dewaxing catalyst that has been selectively activated. The selective activation of the catalyst involves treating the catalyst with at least one oxygenate. The selectively activated catalyst can then be used to... | 05/22/2007 |
| 7214845 | Disproportionation of hydrocarbons A novel hydrocarbon disproportionation process is provided and includes contacting a hydrocarbon feed comprising at least one paraffin with a disproportionation catalyst comprising a support component, a metal, and a halogen in a disproportionation reaction zone und... | 05/08/2007 |
| 7214642 | Methods of preparing active chromium/alumina catalysts via treatment with sulfate Methods of preparing a polymerization catalyst are provided that include contacting a support comprising alumina with a sulfating agent and with chromium. In an embodiment in which the chromium is provided from a chromium compound such as chromium oxide, the support... | 05/08/2007 |
| 7201838 | Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product Fischer-Tropsch hydrocarbon synthesis using a cobalt catalyst is used to produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced conversion to lower boiling hydrocarbons, by c... | 04/10/2007 |
| 7179434 | Integrated apparatus for aromatics production Enabling a transalkylation process to handle both C10 alkylaromatics and unextracted toluene permits the following improvements to be realized. No longer extracting toluene allows a reformate-splitter column to be eliminated. The extraction unit can be mo... | 02/20/2007 |
| 7169368 | Integrated apparatus for aromatics production Enabling a transalkylation process to handle both C10 alkylaromatics and unextracted toluene permits the following improvements to be realized. No longer extracting toluene allows a reformate-splitter column to be eliminated. The extraction unit can be mo... | 01/30/2007 |
| 7153801 | Aromatization catalyst and methods of making and using same A method of making a catalyst composition, comprising impregnating a large pore zeolite support with a platinum precursor and at least one organic ammonium halide precursor. In an embodiment, the ammonium halide precursor is represented by the formula N(R)4 | 12/26/2006 |
| 7132042 | Production of fuels and lube oils from fischer-tropsch wax Dewaxed fuel and lubricant base stocks are made by (a) producing a synthesis gas from natural gas, (b) reacting the H2 and CO in the gas in the presence of a cobalt Fischer-Tropsch catalyst, at reaction conditions effective to synthesize a waxy hydrocarbo... | 11/07/2006 |
| 7132043 | Process to prepare a lubricating base oil Process to prepare a lubricating base oil starting from a lubricating base oil which is obtained by first removing part of the aromatic compounds from a petroleum fraction boiling in the lubricating oil range by solvent extraction and subsequently dewaxing the solve... | 11/07/2006 |
| 7125818 | Catalyst for wax isomerate yield enhancement by oxygenate pretreatment A dewaxing catalyst is selectively activated by treatment with an oxygenate. Selective activation is accomplished by treated the dewaxing catalyst with a carrier feed containing oxygenate. The selectively activated dewaxing catalyst when used to dewax waxy hydrocarb... | 10/24/2006 |
| 7112643 | Polymers having low levels of long chain branching and methods of making the same Methods of producing a polymer include contacting at least one olefin with a catalyst prepared by contacting a support comprising alumina with a sulfating agent and with chromium. Polymer compositions produced in this manner may exhibit relatively low levels of long... | 09/26/2006 |
| 7098162 | Catalysts for deep catalytic cracking of petroleum naphthas and other hydrocarbon feedstocks for the selective production of light olefins and method of making thereof Provided herein are monocomponent and hybrid catalyst compositions for use in steam-cracking of hydrocarbon feeds to selectively produce light olefins. The catalyst compositions being characterized by a first catalytic component comprising oxides of aluminum, silico... | 08/29/2006 |
| 7087152 | Wax isomerate yield enhancement by oxygenate pretreatment of feed A waxy hydrocarbon feed is catalytically dewaxed with a catalyst that has been selectively activated. The selective activation of the catalyst involves contacting the dewaxing catalyst with a feed mixture containing waxy hydrocarbon and at least one oxygenate. The p... | 08/08/2006 |
| 7077947 | Process for preparing basestocks having high VI using oxygenated dewaxing catalyst A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hyd... | 07/18/2006 |
| 7067049 | Formulated lubricant oils containing high-performance base oils derived from highly paraffinic hydrocarbons The present invention relates to formulated lubricant oils derived from a highly paraffinic basestock. The lubricating oils of the present invention achieve the extremely stringent viscosity requirements of SAE “0W” crossgraded engine oils and demonstrate an exc... | 06/27/2006 |
| 7045055 | Method of operating a wormgear drive at high energy efficiency This invention is directed to a method of operating a wormgear drive at high energy efficiency comprising filling an oil reservoir with a wormgear lubricant comprising an isomerized Fischer-Tropsch derived distillate fraction having a low traction coefficient and op... | 05/16/2006 |
| 7041622 | Catalyst, an exhaust emission control device and a method of using the same Disclosed is a catalyst, an emission control device, and a method for treating exhaust gas. In one embodiment, the catalyst comprises: a catalytic metal component and a macro-pore component. The macro-pore component comprises an oxygen storage component and an alumi... | 05/09/2006 |
| 7041866 | Solid-acid isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component co... | 05/09/2006 |
| 7033488 | Method of removing and replacing catalyst in a multi-reactor cascade configuration A defined catalyst withdrawal and replacement program for optimizing the productivity and the economics of catalyst consumption in a multi-reactor system is disclosed. Catalyst cost is reduced by minimizing removal of the newest catalyst and maximizing removal of ol... | 04/25/2006 |
| 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 |
| 6984310 | Alumina having bimodal pore structure, catalysts made therefrom and processes using same Alumina having a pore structure characterized by the absence of macropores, no more than 5% of the total pore volume in pores greater than 350 Å, a high pore volume (greater than 0.8 cc/g measured by mercury intrusion) and a bi-modal pore volume distribution chara... | 01/10/2006 |
| 6977322 | Isomerization catalyst and processes A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component ... | 12/20/2005 |
