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| Number | Title | Issue Date |
| 7423191 | Method and system for catalytically converting oxygenates and regenerating and stripping catalyst A method of converting oxygenate-containing feedstock to light olefins comprises charging a reactor with catalyst, feeding the feedstock into the reactor, contacting the feedstock with the catalyst and converting the feedstock to olefins while depositing byproducts ... | 09/09/2008 |
| 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 |
| 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 |
| 7384882 | Process for regenerating titanium-containing catalysts The present invention discloses a process for regenerating titanium-containing catalysts, characterized in that a deactivated catalyst is treated in an acidic solution having a pH value of ≦3, and then dried and calcined. The process is simple in procedure and can... | 06/10/2008 |
| 7345213 | Protecting catalytic activity of a SAPO molecular sieve This invention is directed to a method of making an olefin product from an oxygenate feedstock and a method of protecting catalytic activity of a silicoaluminophosphate molecular sieve. The methods comprise providing a silicoaluminophosphate molecular sieve having c... | 03/18/2008 |
| 7314847 | Regenerable sorbents for COcapture from moderate and high temperature gas streams A process for making a granular sorbent to capture carbon dioxide from gas streams comprising homogeneously mixing an alkali metal oxide, alkali metal hydroxide, alkaline earth metal oxide, alkaline earth metal hydroxide, alkali titanate, alkali zirconate, alkali si... | 01/01/2008 |
| 7253331 | Molecular sieve catalyst composition, its making and use in conversion processes The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a conversion process f... | 08/07/2007 |
| 7214822 | Catalyst comprising a support and a catalytically active oxide material applied to the surface of the substrate A coated catalyst whose coating of active composition is a multimetal oxide comprising the elements Mo, V and Te and/or Sb can be used for the gas-phase catalytic oxidation of propane to acrylic acid. ... | 05/08/2007 |
| 7205256 | Oxide material, method for preparing oxide thin film and element using said material An oxide material characterized by that it has a perovskite structure comprising an oxide represented by ABO3, (Bi2O2)2+ (Am−1BmO3m+1)2− wherein A represents one kind or two ... | 04/17/2007 |
| 7119044 | Multiple washcoats on filter substrate An integrated multi-functional catalyst system includes a diesel particulate filter having an inlet side for receiving flow and an opposite outlet side, a substrate in the diesel particulate filter having an interior wall surface and an exterior wall surface, a firs... | 10/10/2006 |
| 7094728 | Method for control of washcoat distribution along channels of a particulate filter substrate Disclosed herein is a method of distributing a washcoat along channels of a particulate filter substrate, the method including: forcing a washcoat slurry a predetermined distance into the channels, the predetermined distance being less than or equal to the full leng... | 08/22/2006 |
| 7087546 | Process for regenerating and rejuvenating additive-based catalysts The present invention pertains to a process for regenerating and rejuvenating an additive-based hydrotreating catalyst containing Group VIB and Group VIII hydrogenation metals. The process comprises the steps of regenerating the catalyst by contacting it with an oxy... | 08/08/2006 |
| 7067455 | Copper modified catalysts for oxidative dehydrogenation Catalysts and methods useful for the production of olefins from alkanes via oxidative dehydrogenation (ODH) comprise at least one base metal and copper with an optional promoter. The catalyst preferably comprises a base metal and a copper-modified Groups 8, 9, or 10... | 06/27/2006 |
| 7005403 | Catalyst comprising a support body and a catalytically active oxide material applied to the surface of the substrate A coated catalyst whose coating of active composition is a multimetal oxide comprising the elements Mo, V and Te and/or Sb can be used for the gas-phase catalytic oxidation of propane to acrylic acid. ... | 02/28/2006 |
| 6951635 | Zinc oxide-based sorbents and processes for preparing and using same Zinc oxide-based sorbents, and processes for preparing and using them are provided, wherein the sorbents are preferably used to remove one or more reduced sulfur species from gas streams. The sorbents contain an active zinc component, optionally in combination with ... | 10/04/2005 |
| 6815390 | Supported fluorous biphasic catalyst system The present invention relates to a new catalyst system for fluorous biphasic catalysis processes which comprises functionalized polymeric beads, monodisperse SiO2 or SiO2 flakes associated with the catalyst. These functionalized particles are u... | 11/09/2004 |
| 6803343 | Desulfurization and novel sorbent for same A sorbent composition comprising a support and a reduced-valence noble metal can be used to desulfurize a hydrocarbon-containing fluid such as cracked-gasoline or diesel fuel. ... | 10/12/2004 |
| 6797852 | Protecting catalytic activity of a SAPO molecular sieve This invention is directed to a method of making an olefin product from an oxygenate feedstock and a method of protecting catalytic activity of a silicoaluminophosphate molecular sieve. The methods comprise providing a silicoaluminophosphate molecular sieve having c... | 09/28/2004 |
| 6790920 | Process for removal of silicon compounds from solvents by selective absorption Removing silicon species from hydrocarbon solvents such as cyclohexane by flowing the hydrocarbon solvent through a selective adsorbent selected from the group consisting of aluminas, silicon-aluminas, ion exchange resins, zeolite Y, and combinations thereof. ... | 09/14/2004 |
| 6777369 | Process for producing catalyst The present invention relates to the effective utilization of a used catalyst containing at least molybdenum, an A element (at least one element selected from the group consisting of phosphorus and arsenic) and an X element (at least one element selected from the gr... | 08/17/2004 |
| 6727202 | Enhanced NOx trap having increased durability A catalytic trap disposed in an exhaust passage of an internal combustion engine which is operated with periodic alternations between lean and stoichiometric or rich conditions, for abatement of NOx in an exhaust gas stream which is generated by the engin... | 04/27/2004 |
| 6709570 | Method for preparing a catalyst A method for preparing a catalyst comprising a zeolite and a low acidity refractory oxide binder which is essentially free of alumina which method comprises: (a) preparing an extrudable mass comprising a substantially homogenous mixture of zeolite, water, a s... | 03/23/2004 |
| 6696385 | Method of preserving sulfonic acid-type cation-exchange resin modified with thiol-containing amine compound The present invention aims at inhibiting a lowering in the modification ratio of a modified cation-exchange resin, in which part of the sulfonic acid groups have been modified with a thiol-containing amine compound and which is employed as a catalyst for ... | 02/24/2004 |
| 6673732 | Process for catalytic ammonia production--preparation and recovery of ammonia synthesis catalyst A catalyst active in ammonia synthesis with improved activity and a process for the recovery of useful components from the catalyst.... | 01/06/2004 |
| 6656870 | Tungsten-containing fuel cell catalyst and method of making same A tungsten-containing fuel cell catalyst having high electrochemical activity and its method of making are described. The tungsten-containing catalyst may be formed in situ in a fuel cell after the fuel cell is assembled. The catalyst is formed by a low t... | 12/02/2003 |
| 6649555 | Reactivation of deactivated sorbents A deactivated sorbent composition is reactivated by contacting the deactivated sorbent with a reducing stream under activation conditions sufficient to reduce the amount of sulfates associated with the sorbent composition.... | 11/18/2003 |
| 6620763 | Process for the manufacture of an attrition resistant sorbent used for gas desulfurization This process produces a sorbent for use in desulfurization of coal gas. A zinc titanate compound and a metal oxide are mixed by milling the compounds in an aqueous medium, the resulting mixture is dried and then calcined, crushed, sleved and formed into p... | 09/16/2003 |
| 6616905 | Desulfurization of exhaust gases using activated carbon catalyst Active carbon catalyst for recovering and removing sulfur oxides contained in flue gas by turning them into sulfuric acid by a catalytic desulfurization reaction. Powdery active carbon and fluororesin are kneaded by shearing force before being molded to a... | 09/09/2003 |
| 6610265 | Method and system for desulfurizing gasoline or diesel fuel for use in a fuel cell power plant A fuel processing system is operative to remove substantially all of the sulfur present in a logistic fuel stock supply. The fuel stock can be gasoline, diesel fuel, or other like fuels which contain relatively high levels of organic sulfur compounds such... | 08/26/2003 |
| 6602819 | Process for the reduction of carbon monoxide and carbonyl sulfide emissions Carbon monoxide and carbonyl sulfide emissions are reduced in manufacturing processes, including titanium tetrachloride production processes. Gas contaminated with CO and COS, and an oxygen-containing gas, is contacted with a suitable catalyst. The cataly... | 08/05/2003 |
| 6602818 | Method for preparing a catalyst for selective catalytic reduction of nitrogen oxides Disclosed are a catalyst for selective catalytic reduction of nitrogen oxides and a method for preparing the same. The catalyst is prepared using a spent catalyst discharged from a hydro-desulfurization process of an oil refinery in which the spent cataly... | 08/05/2003 |
| 6600011 | Process for purification and drying of polymer hydrogels This invention relates to a method for purifying and drying a polymer hydrogel. This invention is based in part upon the discovery that rapid drying of polymer hydrogels can eliminate the problem of unacceptable levels of soluble oligomers caused by prolo... | 07/29/2003 |
| 6599857 | Method for production of catalyst During the deposition of a catalytic component on a carrier, the position of the liquid level of a slurry containing the catalytic component is controlled with high accuracy and the adhesion of the slurry to the lateral face of the carrier is prevented. I... | 07/29/2003 |
| 6592651 | Activation processes for monolith adsorbents An improved method for preparing monolith adsorbents and activating the adsorbents therein is disclosed. A mixture of lower temperature and higher temperature binders is used in fabricating the paper used to form the monolith structure. The finished monol... | 07/15/2003 |
| 6562753 | Device for purifying exhaust gas, method for purifying exhaust gas, catalyst for purifying exhaust gas, and method for manufacturing exhaust gas purifying catalyst A catalyst for lowering NOx concentration in an exhaust gas is disposed in an exhaust gas passage of an engine. The catalyst composed of a catalyst layer formed on a substrate. A NOx absorber that absorbs NOx when an oxygen concentration in the exhaust ga... | 05/13/2003 |
| 6541415 | Synthesis of molecular sieve catalysts Disclosed is a molecular sieve catalyst which contains molecular sieve-containing attrition particles and virgin molecular sieve, the attrition particles having been recycled from a catalyst manufacture process or from a reaction system. The catalyst can ... | 04/01/2003 |
| 6521808 | Preparation and use of a catalyst for the oxidative dehydrogenation of lower alkanes The present invention includes a sol-gel supported catalyst for the dehydrogenation of lower alkanes, the catalyst comprising at least one active metal and at least one promoter metal attached to a sol-gel mixed oxide support. The sol-gel mixed oxide supp... | 02/18/2003 |
| 6521564 | Modification of a hydrogenation catalyst A process for the modification of a hydrogenation catalyst of the Raney nickel, Raney cobalt, nickel-on-carrier or cobalt-on-carrier type, which process includes treating the hydrogenation catalyst at temperatures of about 0° C. to about 120° C. with ca... | 02/18/2003 |
| 6517899 | Catalyst and adsorption compositions having adhesion characteristics A composition and method for improving the adhesion properties of catalytic and adsorptive compositions to a substrate through the addition of clay and/or silicone binder is disclosed. Preferably, the composition includes manganese dioxide and attapulgite... | 02/11/2003 |
| 6440378 | Catalyst for purifying exhaust gases, a method of producing the same, and a method of purifying exhaust gases A noble metal composite colloid composed of a plurality of noble metals is constructed to be loaded on a porous oxide support. The noble metals are loaded in particles which are larger than the conventional grains in the atomic state. Thus, vapor pressure... | 08/27/2002 |
