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| Number | Title | Issue Date |
| 7422993 | Adsorbent for adsorption heat pump, adsorbent for humidity-control air conditioner, adsorption heat pump and humidity-control air conditioner The present invention provides an adsorbent for adsorption heat pump and humidity-control air conditioner, which is capable of adsorbing an adsorbate therein and desorbing the adsorbate therefrom in a narrow relative vapor pressure range, and can be regenerated (des... | 09/09/2008 |
| 7419930 | Catalytic composition for the aromatization of hydrocarbons The present invention regards a catalytic composition comprising gallium, at least one element chosen in the group of the lanthanides, and a zeolite belonging to the MFI, MEL or MFI/MEL families, the crystal lattice of which is made up of silicon oxide and at least ... | 09/02/2008 |
| 7371913 | Selective aromatics isomerization process A process for isomerizing xylenes while retaining ethylbenzene in a C8-aromatics stream in liquid phase uses a gallium-substituted pentasil zeolite in the absence of hydrogen. ... | 05/13/2008 |
| 7368620 | Two-stage aromatics isomerization process This invention is drawn to a process for isomerizing a non-equilibrium mixture of alkylaromatics in two sequential zones, the first zone operating in the absence of hydrogen using a platinum-free catalyst and the second zone using a catalyst comprising a molecular s... | 05/06/2008 |
| 7344696 | Porous crystalline material (zeolite ITQ-24), preparation method thereof and use of same in the catalytic conversion of organic compounds The invention relates to a porous crystalline material (ITQ-24), the preparation method thereof and the use of same in the catalytic conversion of organic compounds. More specifically, the invention relates to a synthetic porous crystalline material which is charact... | 03/18/2008 |
| 7326332 | Multi component catalyst and its use in catalytic cracking A multi component catalyst and catalytic cracking process for selectively producing C3 olefins. The catalyst comprises a first molecular sieve having an intermediate pore size, a second molecular sieve and, optionally a third molecular sieve having a larg... | 02/05/2008 |
| 7304011 | Compositions and processes for reducing NOemissions during fluid catalytic cracking Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeoli... | 12/04/2007 |
| 7273893 | Process for converting carbon dioxide to oxygenates A catalyst and process for converting carbon dioxide into oxygenates. The catalyst comprises copper, zinc, aluminum, gallium, and a solid acid. ... | 09/25/2007 |
| 7271118 | Xylenes isomerization catalyst system and use thereof A catalyst system that exhibits a ratio of ethylene saturation to aromatics ring saturation of greater than 3,500. The catalyst system comprises two components and each component comprises a crystalline molecular sieve having a Constraint Index of from about 1 to ab... | 09/18/2007 |
| 7262147 | Method for preparing dehydrocyclodimerization catalyst This invention relates to a process for reactivating a dehydrocyclodimerization catalyst. Dehydrocyclodimerization catalysts which contain an aluminum phosphate binder can be deactivated when they are exposed to hydrogen at temperatures above 500° C. The instant pr... | 08/28/2007 |
| 7220692 | Catalyst for selective NOreduction using hydrocarbons A two phase catalyst is disclosed with one or more transition metals such as Cu, Co, Fe, Ag and Mo supported on a molecular sieve having a pore size not greater than 8 Å along with a stabilizing oxide of one or more of the oxides of Zr, Mo, V, Nb or the rare earth... | 05/22/2007 |
| 7176159 | Catalyst and sorbent material for the production of hydrogen A catalyst and sorbent is disclosed which comprises pellets with an absorbent core and a protective shell with a catalyst in the shell. Such material is especially well suited for steam reforming of hydrocarbons to produce hydrogen since a reforming catalyst can be ... | 02/13/2007 |
| 7160839 | Catalyst for purifying nitrogen oxides A catalyst for purifying NOx is provided which efficiently decomposes and purify the NOx in an exhaust gas in an oxygen-excess atmosphere, excels in resistance to heat and in durability in a high temperature range under a high-temperature oxidizing atmosphere and in... | 01/09/2007 |
| 7157501 | Fischer-tropsch process using a fischer-tropsch catalyst and a zeolite-containing catalyst Fischer-Tropsch process for the conversion of carbon monoxide and hydrogen to C5+ hydrocarbon mixtures in which process use is made of Fischer-Tropsch catalyst particles and fluid catalytic cracking (FCC) catalyst particles. The FCC catalyst ca... | 01/02/2007 |
| 7153413 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, is reduced in a catalytic cracking process employing a cracking catalyst containing a high content of vanadium. The cracking process involves introducing at least one vanadium compound ... | 12/26/2006 |
| 7148172 | High silica chabazite, its synthesis and its use in the conversion of oxygenates to olefins A porous crystalline material is described having the chabazite framework type and having a composition involving the molar relationship: X2O3:(n)YO2, wherein X is a trivalent element, such as aluminum, boron, iro... | 12/12/2006 |
| 7111802 | Apparatus for pressing and other mechanical treatment of materials such as catalysts Methods and apparatus for combinatorial (i.e., high-throughput) materials research, such as catalysis research, that involves parallel apparatus for simultaneously effecting mechanical treatments such as grinding, mixing, pressing, crushing, sieving, and/or fraction... | 09/26/2006 |
| 7101473 | Method of enhancing the activity of FCC catalysts An additive to enhance the activity of an FCC catalyst containing zeolite and matrix components comprises zeolite microspheres having a novel morphology comprising a macroporous matrix and crystallized zeolite freely coating the walls of the pores of the matrix. The... | 09/05/2006 |
| 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 |
| 7026264 | Hydrocarbon conversion process and catalyst useful therein There is provided a process for converting hydrocarbons using a catalyst comprising macrostructures having a three-dimensional network of particles comprised of porous inorganic material. The particles of the macrostructures occupy less than 75% of the total volume ... | 04/11/2006 |
| 7022637 | Selective methylation catalyst, method of catalyst manufacture and methylation process Novel catalysts and processes in accordance with the invention can accomplish high selectivity and conversion of naphthalenic compounds such as the conversion of methylnaphthalene (2-MN) or naphthalene to 2,6-dimethylnaphthalene (2,6-DMN). The catalysts are prepared... | 04/04/2006 |
| 7015359 | Vapor phase catalytic process for simultaneous furfural hydrogenation and cyclohexanol dehydrogenation The present invention provides a catalytic process for the synthesis of furfuryl alcohol and cyclohexanone simultaneously over a copper based catalyst in vapour phase conditions by hydrogenation of furfural and dehydrogenation of cyclohexanol respectively. ... | 03/21/2006 |
| 6974787 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above... | 12/13/2005 |
| 6971593 | Methods for mechanical treatment of materials such as catalysts Methods and apparatus for combinatorial (i.e., high-throughput) materials research, such as catalysis research, that involves parallel apparatus for simultaneously effecting mechanical treatments such as grinding, mixing, pressing, crushing, sieving, and/or fraction... | 12/06/2005 |
| 6958305 | Zeolite catalyst and use for hydrocarbon conversion There is provided a zeolite bound zeolite catalyst which can be tailored to optimize its performance and a process for converting hydrocarbons utilizing the zeolite bound zeolite catalyst. The zeolite bound zeolite catalyst comprises a first zeolite and a binder com... | 10/25/2005 |
| 6923903 | Gasoline sulfur reduction in fluid catalytic cracking The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above... | 08/02/2005 |
| 6908874 | Process for making metal oxide-coated microporous materials A process for making a catalytic rare earth metal oxide-coated microporous particulate material that has the rare earth metal oxide coated on outer surfaces of the microporous particulate material. The process comprises the steps of: i) combining an amount of a coll... | 06/21/2005 |
| 6903050 | Method of preparation of non-pyrophoric copper-alumina catalysts Provided is a process for preparing a non-pyrophoric catalyst having about 2 to 20 wt. % of a copper component, wherein at least 50 wt. % of the copper component is in the form of a copper oxide, aluminum oxide-spinel. The catalyst can be prepared by forming a mixtu... | 06/07/2005 |
| 6864203 | Aromatic conversion processes and zeolite catalyst useful therein A process is provided for the alkylation, transalkylation, or isomerization of aromatic hydrocarbons. The processes comprises contacting aromatic hydrocarbons under conversion conditions with a zeolite bound zeolite catalyst. The zeolite bound zeolite catalyst compr... | 03/08/2005 |
| 6864200 | Selectivated metallosilicate catalyst composite for alkylaromatic conversion, process for the preparation thereof, and use thereof in hydrocarbon conversion A repeated “soak and dry” selectivation process for preparing a modified metallosilicate catalyst composite is disclosed comprising of a mixture of amorphous silica, alumina and a pore size controlled metallosilicate useful for alkylaromatic conversion. The proc... | 03/08/2005 |
| 6855247 | Catalytic system for hydroconversion of naphtha A hydroconversion catalyst for hydrodesulfurizing feedstock while preserving octane number of the feedstock includes a support having a mixture of zeolite and alumina, the zeolite having an Si/Al ratio of between about 1 and about 20, and an active phase on the supp... | 02/15/2005 |
| 6812181 | Coated zeolite catalysts and use for hydrocarbon conversion There is provided a coated zeolite catalyst in which the accessibility of the acid sites on the external surfaces of the zeolite is controlled and a process for converting hydrocarbons utilizing the coated zeolite catalyst. The zeolite catalyst comprises core crysta... | 11/02/2004 |
| 6790803 | Catalytic system for hydroconversion of naphtha A hydroconversion catalyst for hydrodesulfurizing feedstock while preserving octane number of the feedstock includes a support having a mixture of zeolite and alumina, the zeolite having an Si/Al ratio of between about 1 and about 20, and an active phase on the supp... | 09/14/2004 |
| 6790433 | Methods to improve heteroatom lattice substitution in large and extra-large pore borosilicate zeolites The invention, in one embodiment, is a method for preparing crystalline zeolites by (a) contacting a calcined essentially aluminum free borosilicate zeolite with an aqueous acid solution, thereby producing an at least partially deboronated zeolite; (b) contacting sa... | 09/14/2004 |
| 6699811 | Tailored zeolite bound zeolite catalyst and its use for hydrocarbon conversion There is provided a zeolite bound zeolite catalyst which does not contain significant amount of non-zeolitic binder and can be tailored to optimize its performance and a process for converting hydrocarbons utilizing the zeolite bound zeolite catalyst. The... | 03/02/2004 |
| 6664207 | Catalyst for converting carbon dioxide to oxygenates and processes therefor and therewith A catalyst and process for converting carbon dioxide into oxygenates. The catalyst comprises copper, zinc, aluminum, gallium, and a solid acid.... | 12/16/2003 |
| 6635168 | Gasoline sulfur reduction catalyst for fluid catalytic cracking process The present invention is directed to certain catalyst compositions and processes that are capable of reducing sulfur compounds normally found as part of the gasoline fraction streams of fluid catalytic cracking processes. The present invention requires an... | 10/21/2003 |
| 6627084 | Organoclay compositions for purifying contaminated liquids and methods for making and using them The current invention describes organoclay compositions and methods of using them for removing impurities from contaminated liquids. The compositions are formed by contacting an attapulgite, sepiolite, or zeolite clay mineral with an alkylamine base. The ... | 09/30/2003 |
| 6617275 | Process for preparing a catalyst for aromatic production A novel process for converting C2 to C6 aliphatic hydrocarbons to aromatics and catalyst for use in this process are disclosed. The catalyst that contains a zeolite having a silica to alumina molar ratio greater than about 20 and a p... | 09/09/2003 |
| 6602815 | Exhaust system comprising a heat-resistant HC adsorbent An exhaust system comprising a heat-resistant HC adsorbent comprising an MFI metallo-silicate including at least one of gallium (Ga) and indium (In) as a skeleton forming element, and a metal component ME including at least one of an alkali metal and an a... | 08/05/2003 |