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| Number | Title | Issue Date |
| 8153549 | Catalyst for treating exhaust gas and device for treating exhaust gas using the same A catalyst for treating an exhaust gas has at least a carrier and plural layers formed on the carrier, wherein at least one layer of the above plural layers has an interstice in the layer, and at least one layer of the above plural layers contains a catalyst compone... | 04/10/2012 |
| 8146414 | Material withdrawal apparatus and methods of regulating material inventory in one or more units Material withdrawal apparatus and methods and systems of regulating material inventory in one or more units are provided. A material withdrawal apparatus includes a heat exchanger and a sensor. The heat exchanger includes a material inlet, material outlet, cooling f... | 04/03/2012 |
| 8127537 | Exhaust system for a spark-ignited internal combustion engine An exhaust system for a spark-ignited internal combustion engine comprises a three-way catalyst composition including an oxygen storage component, which TWC composition is coated on a flow-through monolith substrate, which substrate comprising a plurality of channel... | 03/06/2012 |
| 8105560 | System for treating a gas stream A system for treating a gas stream containing nitrogen oxides (NOx) and particulates flowing in the system comprises means for injecting a source of ammonia (NH3) or urea (CO(NH2)2) into a flowing exhaust gas upstream of a... | 01/31/2012 |
| 8105559 | Thermally regenerable nitric oxide adsorbent A method of reducing nitrogen oxides (NOx) present in a lean gas stream comprising nitric oxide (NO) comprises the steps of: (i) net adsorbing NO per se from the lean gas stream in an adsorbent comprising palladium and a cerium oxide at below 200° C.; (i... | 01/31/2012 |
| 8099259 | Method for monitoring catalyst requirements of a refinery A method for monitoring a FCC catalyst injection system is provided. In one embodiment of the invention, the method includes automatically updating a catalyst available inventory information in a digital memory device in response to a catalyst usage event. A suffici... | 01/17/2012 |
| 8097213 | Calibration system, material delivery system, and methods for such delivery and calibration Material delivery systems, methods of delivering material and methods of calibrating such systems and methods are disclosed. The material delivery system includes a delivery vessel, a load cell, and automated weight calibration device. The delivery vessel has at lea... | 01/17/2012 |
| 8092767 | Method of decomposing nitrogen dioxide A method of decomposing nitrogen dioxide to nitrogen monoxide in an exhaust gas of a lean-burn internal combustion engine, such as a diesel engine, comprises adjusting the C1 hydrocarbon:nitrogen oxides (C1 HC:NOx) ratio of the exhaust gas to from 0.1 to ... | 01/10/2012 |
| 8092756 | Catalyst withdrawal apparatus and method for regulating catalyst inventory in a unit Catalyst withdrawal apparatuses and methods for regulating catalyst inventory in one or more units are provided. In one embodiment, a catalyst withdrawal apparatus for removing catalyst from a FCC unit includes a vessel coupled to a flow control circuit. Another emb... | 01/10/2012 |
| 7847135 | Propylene oxide isomerization process The invention is a process to produce allyl alcohol from propylene oxide. The process comprises isomerizing propylene oxide in the presence of a lithium phosphate catalyst which contains boron and from 2000 to 4000 ppm sodium. The propylene oxide conversion is 37 pe... | 12/07/2010 |
| 7816466 | Propylene polymer composition for injection molding A propylene polymer composition comprising (weight percentages being referred to the sum of A+B): (A) 75-95% by weight of a copolymer of propylene comprising from 0.5 to 3.0 mole % of comonomer units derived from ethylene and/or C4-C8 alpha-olefins; and (B) 5-25% by... | 10/19/2010 |
| 7790932 | Hydroformylation process A catalyst, useful for the hydroformylation of allyl alcohol, is described. The catalyst comprises a rhodium complex and a 6-bis(3,5-dialkylphenyl)phosphino-N-pivaloyl-2-aminopyridine or a 3-bis(3,5-dialkylphenyl)phosphino-2H-isoquinolin-1-one. The invention also in... | 09/07/2010 |
| 7767835 | Direct epoxidation process using improved catalyst A supported catalyst and a catalyst mixture, useful for the direct epoxidation of olefins, are disclosed. The supported catalyst comprises a noble metal, lead, and a carrier that has been treated by contacting with nitric acid. The catalyst mixture comprises a titan... | 08/03/2010 |
| 7718040 | Propylene oxide recovery process Product propylene oxide in a reaction mixture resulting from the reaction of propylene, oxygen and hydrogen or from the reaction of propylene and hydrogen peroxide is separated from propylene and/or propane by extractive distillation using methanol and/or water extr... | 05/18/2010 |
| 7700790 | Alkylene oxide process A process is provided for the production of alkylene oxide by catalytic reaction of olefin, hydrogen and oxygen in the presence of promoting buffer salts, the improvement wherein the buffer salts are recovered by electrodialysis and/or crystallization and recycled t... | 04/20/2010 |
| 7696367 | Direct epoxidation process using a mixed catalyst system The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a catalyst mixture containing a titanium or vanadium zeolite and a supported catalyst comprising palladium, gold, and an inorganic oxide carrier. Prior to its use in the... | 04/13/2010 |
| 7671222 | Direct epoxidation process using a mixed catalyst system The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a catalyst mixture containing a titanium or vanadium zeolite and a supported catalyst comprising palladium, rhenium and a carrier. The process results in significantly r... | 03/02/2010 |
| 7655821 | Direct hydrocarbonylation process A direct hydrocarbonylation process for the production of 1,4-butanediol is described. The process comprises reacting allyl alcohol with carbon monoxide and hydrogen in an alcohol solvent in the presence of a catalyst system comprising a rhodium complex, a trialkyl ... | 02/02/2010 |
| 7642365 | Multiphase reactor design incorporating filtration system for fixed—bed catalyst A unique reactor configuration especially suitable for interphase mass transfer and mixing of multiple phases, i.e. gas(es), liquid(s), and solid(s) where reaction is catalyzed by a solid catalyst comprises a draught tube reactor wherein the solid catalyst particles... | 01/05/2010 |
| 7612241 | Hydroformylation process A process for the production of 4-hydroxybutyraldehyde is described. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of a solvent and a catalyst system comprising a rhodium complex and a substituted or unsu... | 11/03/2009 |
| 7595410 | Direct epoxidation process using improved catalyst composition A process for producing an epoxide comprising reacting an olefin, hydrogen and oxygen in the presence of a catalyst comprising a titanium or vanadium zeolite, palladium, and lead. The process results in significantly reduced alkane by-product formed by the hydrogena... | 09/29/2009 |
| 7531675 | Direct epoxidation process using improved catalyst composition Catalysts useful for the direct epoxidation of olefins are disclosed. The catalysts comprise a noble metal, lead, bismuth, and a titanium or vanadium zeolite. The noble metal, lead, and bismuth may be supported on the titanium or vanadium zeolite. The catalyst may a... | 05/12/2009 |
| 7476770 | Epoxidation catalyst The invention is a catalyst comprising a titanium or vanadium zeolite, a binder, and zinc oxide, wherein the catalyst is preparing an aqueous mixture of the zeolite, a binder source, and a zinc oxide source, and subjecting the mixture to rapid drying. The catalyst i... | 01/13/2009 |
| 7470801 | Direct epoxidation process using a mixed catalyst system Catalyst mixtures useful for the direct epoxidation of olefins are disclosed. The catalyst mixture comprises a titanium or vanadium zeolite and a supported catalyst comprising a noble metal, bismuth, and a carrier. The invention includes a process for producing an e... | 12/30/2008 |
| 7439405 | Purification of propylene glycol monoalkyl ether The invention is a method of purifying a propylene glycol monoalkyl ether containing carbonyl impurities which comprises contacting the propylene glycol monoalkyl ether stream in the liquid phase with a carbon adsorbent, and recovering a purified propylene glycol mo... | 10/21/2008 |
| 7414164 | Diisobutylene process This invention is a process for producing diisobutylene from isobutylene. The process comprises first forming dry sulfonic acid resin by contacting water wet sulfonic acid resin catalyst with a first reaction feed comprising isobutylene under conditions effective to... | 08/19/2008 |
| 7399726 | Process for direct oxidation of propylene to propylene oxide and large particle size titanium silicalite catalysts for use therein Large crystals of titanium silicalite or intergrowths of intergrown smaller crystals, having a mean particle size greater than 2 μm, have been found catalytically effective at commercially reasonable rates for the epoxidation of olefins in the presence of hydrogen ... | 07/15/2008 |
| 7314545 | Desulfurization process This invention is a method of purifying fuels containing organosulfur impurities. The fuel is oxidized with an organic hydroperoxide in the presence of an oxidation catalyst to form a sulfone product, followed by extraction of the sulfone product by solid-liquid or ... | 01/01/2008 |
| 7294602 | Hydroformylation process A process for the production of 4-hydroxybutyraldehyde is described. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of a solvent and a catalyst system comprising a rhodium complex and a trans-1,2-bis(bis(3... | 11/13/2007 |
| 7288237 | Epoxidation catalyst Titanium or vanadium zeolite catalysts are prepared by reacting a titanium or vanadium compound, a silicon source, a templating agent, a hydrocarbon, and a surfactant at a temperature and for a time sufficient to form a molecular sieve. The catalyst is useful in ole... | 10/30/2007 |
| 7279606 | Hydroformylation process A process for the production of 4-hydroxybutyraldehyde is described. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of a solvent and a catalyst system comprising a rhodium complex and a trans-1,2-bis(bis(3... | 10/09/2007 |
| 7279145 | Multiphase reactor design incorporating filtration system for fixed--bed catalyst A unique reactor configuration especially suitable for interphase mass transfer and mixing of multiple phases, i.e. gas(es), liquid(s), and solid(s) where reaction is catalyzed by a solid catalyst comprises a draught tube reactor wherein the solid catalyst particles... | 10/09/2007 |
| 7273826 | Epoxidation catalyst The invention is a catalyst comprising a titanium or vanadium zeolite, a binder, and zinc oxide, wherein the catalyst is preparing an aqueous mixture of the zeolite, a binder source, and a zinc oxide source, and subjecting the mixture to rapid drying. The catalyst i... | 09/25/2007 |
| 7271295 | Hydroformylation process A process for the production of 4-hydroxybutyraldehyde is described. The process comprises reacting allyl alcohol with a mixture of carbon monoxide and hydrogen in the presence of a solvent and a catalyst system comprising a rhodium complex and a 2,3-O-isopropyliden... | 09/18/2007 |
| 7271117 | Epoxidation catalyst Noble metal-containing titanium or vanadium zeolite catalysts are prepared by adding a noble metal source to a titanium or vanadium zeolite that contains templating agent used in the preparation of the zeolite, and then removing the templating agent to form the nobl... | 09/18/2007 |
| 7270742 | Organosulfur oxidation process This invention is a method of purifying fuel streams containing organonitrogen and organosulfur impurities. The fuel stream is first treated to extract organonitrogen impurities so that the nitrogen content of the fuel stream is reduced by at least 50 percent. After... | 09/18/2007 |
| 7256149 | Catalyst regeneration process Used noble metal-containing titanium zeolite catalysts, that have been employed in the liquid-phase epoxidation of olefins with hydrogen and oxygen in the presence of a buffer, are regenerated by heating the used catalyst at a temperature of at least 250° C. in the... | 08/14/2007 |
| 7153488 | Suppression of the formation of noxious substances during chloride processes The present invention is directed to the suppression of the formation noxious compounds such as furans. According to the present invention, a venturi device is used to rapidly quench a chlorinator reaction gas. The rapid quench minimizes the resonance time that fura... | 12/26/2006 |
| 7144499 | Desulfurization process This invention is a method of purifying fuel streams containing organosulfur impurities. The fuel stream is oxidized with an organic hydroperoxide in the presence of an oxidation catalyst to form a sulfone product. The alcohol product of the organic hydroperoxide is... | 12/05/2006 |
| 7138535 | Direct epoxidation process The invention is a process for epoxidizing an olefin with hydrogen and oxygen in the presence of a catalyst comprising a noble metal and a titanium or vanadium zeolite in a solvent mixture comprising water, methanol, and a C3–C6 aliphatic ket... | 11/21/2006 |
