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| Number | Title | Issue Date |
| 8084383 | 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 is a cracking catalyst... | 12/27/2011 |
| 7608554 | Zeolite formed product, zeolite laminate intermediate, zeolite laminate composite and method for their preparation There are provided methods for producing a zeolite layered composite, methods for producing a zeolite shaped body and methods for producing a zeolite layered intermediate body. In one aspect, there is provided a method for producing a zeolite layered composite, comp... | 10/27/2009 |
| 7435699 | Heterogeneous adsorbent and the use for diffusional separation methods A non-homogeneous adsorbent is described, formed of a core and at least one continuous outer layer in which the core of said adsorbent has a volume adsorptive capacity representing at least 35% of the volume of the adsorbent and the outer layer has a diffusional sel... | 10/14/2008 |
| 7375047 | Ethylbenzene conversion and xylene isomerization processes and catalysts therefor Catalysts comprising a combination of molecular sieve having a pore diameter of from about 4 to 8 angstroms and a catalytically-effective amount of molybdenum hydrogenation component in an amorphous aluminum phosphate binder provide processes for isomerizing xylene ... | 05/20/2008 |
| 7285512 | Selective hydrodesulfurization catalyst This invention relates to a catalyst and process for selectively hydrodesulfurizing naphtha feedstreams using a catalyst comprising at least one hydrodesulfurizing metal supported on a low acidity, ordered mesoporous support material. ... | 10/23/2007 |
| 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 |
| 7273827 | Molecular sieve catalyst composition, its production 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 catalyst composition... | 09/25/2007 |
| 7271116 | Catalyst The present invention provides a catalyst containing titanium in bonded form, non-crystalline silicon dioxide and at least one crystalline silicate phase which has a zeolite structure, wherein the non-crystalline silicon dioxide is applied to at least one of the cry... | 09/18/2007 |
| 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 |
| 7265073 | Exhaust gas purifying catalyst and process for purifying exhaust gas An exhaust gas purifying catalyst formed by having a first rhodium-containing catalyst layer, a second zeolite-containing catalyst layer, and a third palladium-containing catalyst layer superposed sequentially on a carrier, and a process for purifying the exhaust ga... | 09/04/2007 |
| 7229941 | Catalysts based on crystalline aluminosilicate A catalyst is described based on crystalline aluminosilicates of the pentasil type, characterized in that it is constructed from primary crystallites with an average diameter of at least 0.01 μm and less than 0.1 μm, that are combined to at least 20% to agglomerat... | 06/12/2007 |
| 7199070 | Conversion catalyst for ethylbenzene containing xylenes and process for converting ethylbenzene containing xylenes by using catalyst A catalyst in which X-ray diffraction intensity ratio of the crystal lattice plane spacing d-value of 0.196±0.002 nm to the crystal lattice plane spacing d-value of 0.386±0.008 nm is in a range from 7:100 to 35:100 and a process for making the catalyst to contact ... | 04/03/2007 |
| 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 |
| 7078578 | Process for conversion of oxygenates to hydrocarbons and composition for use therein A process for the conversion of oxygenates to hydrocarbons comprising contacting a feed stream comprising oxygenates with a catalyst containing a microporous material under oxygenate conversion conditions, wherein the catalyst contains a crystalline microporous mate... | 07/18/2006 |
| 7033969 | Porous material, method and arrangement for catalytic conversion of exhaust gases Porous materials are disclosed for use in the catalytic conversion of exhaust gases comprising a carrier including a first porous structure, an oxidation catalyst capable of catalyzing the oxidation of NO to NO2 in the presence of oxygen and catalyzing th... | 04/25/2006 |
| 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 |
| 6932959 | Porous inorganic macrostructure materials and process for their preparation There is provided macrostructures of porous inorganic material which can have controlled size, shape, and/or porosity and a process for preparing the macrostructures. The macrostructures comprise a three-dimension network of particles of porous inorganic materials. ... | 08/23/2005 |
| 6921594 | Exhaust treatment and filtration system for molten carbonate fuel cells A filter system for adsorbing contaminants from an exhaust stream from a molten carbonate fuel cell including a filter substrate, a high surface area inorganic adsorbent secured to the filter substrate by an inorganic binder and an inorganic acid secured to the filt... | 07/26/2005 |
| 6916762 | Catalyst for fluidized catalytic cracking of heavy hydrocarbon oil and method of fluidized catalytic cracking An FCC catalyst which not only deactivates catalyst poison metals, such as nickel, vanadium and the like, in feedstock oils, inhibits the generation of hydrogen or coke, has excellent cracking activity and bottom oil-treating ability, and can yield a gasoline and LC... | 07/12/2005 |
| 6872865 | Selective disproportionation catalyst and process An improved catalytic composite and process are disclosed for the selective disproportionation of toluene. The process uses a layered composite comprising a catalytically active core which comprises a zeolitic aluminosilicate having a SiO2:Al2O... | 03/29/2005 |
| 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 |
| 6767855 | Catalyst for purifying exhaust gas A catalyst for purifying exhaust gases, which enables the HC-purification performance to be further improved by suitably arranging an HC-adsorbent. The catalyst includes a coating layer which is composed of alumina and zeolite, and carries a noble metal. The weight ... | 07/27/2004 |
| 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 |
| 6670296 | Alumina/zeolite lean NOx catalyst A NOx, catalyst combination for treating a lean exhaust gas stream comprising an alkaline earth-alumina catalyst and an alkaline earth-zeolite catalyst, arranged on a substrate such that the gas stream first contacts the alkaline earth-alumina ... | 12/30/2003 |
| 6627577 | Hydrocarbon conversion catalyst and its use There is provided catalysts and conversion processes for converting hydrocarbons using the catalysts. The catalysts comprises a first alumino-phosphospho-molecular sieves and a binder comprising a second alumino-phopho-molecular sieves. Exemplary conversi... | 09/30/2003 |
| 6503862 | Exhaust gas purifying catalyst An exhaust gas purifying catalyst is constructed by laminating sequentially a first layer containing alumina, a second layer containing hydrocarbon adsorbent, and a third layer containing catalytic components on a monolithic support in which a cell sectio... | 01/07/2003 |
| 6140263 | Process for the production of supported zeolite membranes, and zeolite membranes so produced A process for the production of a controlled supported zeolite membrane comprises: (a) forming a gel which is principally localised at the surface of a porous support by bringing it into contact, in succession, with two immiscible liquids which contain th... | 10/31/2000 |
| 6093378 | Four-way diesel exhaust catalyst and method of use A catalyst composition and structure containing the same and methods for treating diesel exhaust including a catalyst comprising a precious metal on a support, a first zeolite component in the presence of a precious metal and a second zeolite component co... | 07/25/2000 |
| 6060415 | Aligned molecular sieve crystals grown on anodic alumina membrane The present invention provides a molecular sieve composite membrane, which includes an anodic alumina membrane as a support and the uni-directionally oriented molecular sieve membrane grown in situ on the anodic alumina membrane. The close packing transit... | 05/09/2000 |
| 6040259 | Metal-containing zeolite catalyst, preparation thereof and use for hydrocarbon conversion There is provided a zeolite bound zeolite catalyst which does not contain significant amounts of non-zeolitic binder and a process for converting hydrocarbons utilizing the zeolite bound zeolite catalyst. The catalyst comprises first zeolite, crystals, a ... | 03/21/2000 |
| 5853566 | Zeolite-beta containing catalyst compositions and their use in hydrocarbon conversion processes for producing low boiling point materials The present invention provides a catalyst composition, and a hydrocarbon conversion process in which it is used, comprising as first cracking component a zeolite beta having a silica to alumina molar ratio of at least 20 which is in the form of crystals l... | 12/29/1998 |
| 5807474 | Process for the preparation of catalysts and for cracking mineral oil fractions The invention relates to a process for the preparation of catalysts or catalyst additives by kneading and/or grinding, spray-drying and heat-treating a suspension containing a catalytically active component as well as aluminum hydroxide and/or one or more... | 09/15/1998 |
| 5762902 | Catalyst comprising a faujasite type zeolite and a ton type zeolite and a process for the hydroconversion of hydrocarbon petroleum feeds The invention concerns a composition comprising at least one matrix, at least one faujasite type zeolite and at least one TON type zeolite. The TON type zeolite can be Nu-10, THETA-1, KZ-2, or ISI-1. The catalyst also contains at least one hydrogenating e... | 06/09/1998 |
| 5710085 | Manufacture of improved zeolite beta catalyst A catalyst composition which comprises a crystalline metallosilicate having the structure of zeolite Beta, phosphorus and a matrix that is substantially free of crystalline aluminum phosphate which has improved resistance to steam deactivation and which h... | 01/20/1998 |
| 5610112 | Method for modifying a catalyst A process for shape selective hydrocarbon conversion involves contacting a hydrocarbon feedsteam under conversion conditions with a modified catalytic molecular sieve which has been modified by being pre-selectivated with a first silicon source, then stea... | 03/11/1997 |
| 5525563 | Structured catalyst including microporous oxides of silicon, aluminum and titianium A catalyst includes or consists essentially of the oxides of silicon, aluminum and titanium, characterized in that the catalyst particles are built up from a core with the composition (SiO2)y (AlO2)y My | 06/11/1996 |
| 5439860 | Catalyst system for combined hydrotreating and hydrocracking and a process for upgrading hydrocarbonaceous feedstocks A physically intermixed catalyst system comprising two distinctly different catalytic particles, the first of which is a hydrodenitrification and/or hydrodesulfurization catalyst and the second of which is a relatively active hydrocracking catalyst, where... | 08/08/1995 |
| 5430000 | Method for preparing titania-bound zeolite catalysts Low acidity titania-bound molecular sieve, e.g., zeolite compositions, for example, titania-bound zeolite Beta and titania-bound ZSM-5, possessing superior physical properties, e.g., crush strength are described. Since low acidity titanium oxide-bound cat... | 07/04/1995 |
| 5413975 | Fixing large zeolite and zeolite-like molecular sieve crystals on moldings Large zeolite and zeolite-like molecular sieve crystals of from 3 to 500 μm are fixed on moldings by a process in which an adhesion promoter is used or the moldings are softened.... | 05/09/1995 |
| 5409671 | Catalytic converter for treating exhaust gas A catalytic convertor for treating exhaust gas includes a first catalyst layer formed on a base material and a second catalyst layer formed on the first catalyst layer. The first catalyst layer is composed of metal-containing silicate provided with transi... | 04/25/1995 |
