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| Number | Title | Issue Date |
| 8030239 | Catalyst for xylene isomerization and process for preparing the same Disclosed herein is a catalyst for xylene isomerization, including: a carrier including a zeolite, having a molar ratio of silica to alumina of 20˜100, impregnated with or mixed with a metal salt (I) having an amount of a metal component of 0.05˜5.0 wt % relative ... | 10/04/2011 |
| 8008223 | Mesostructured zeolitic materials, and methods of making and using the same One aspect of the present invention relates to mesostructured zeolites. The invention also relates to a method of preparing mesostructured zeolites, as well as using them as cracking catalysts for organic compounds and degradation catalysts for polymers. ... | 08/30/2011 |
| 7994085 | Material with a hierarchical porosity comprising silicon A material with a hierarchical porosity is described, constituted by at least two spherical elementary particles, each of said spherical particles comprising zeolitic nanocrystals having a pore size in the range 0.2 to 2 nm and a matrix based on silicon oxide, which... | 08/09/2011 |
| 7947621 | Method of making and process for using molecular sieve catalyst This invention provides a process for manufacturing a catalyst with a desired attrition index, comprising the steps of selecting at least one molecular sieve having a morphology and size index (MSI) of from 1 to about 1000 to secure said desired attrition index of s... | 05/24/2011 |
| 7700511 | Aromatic transalkylation using a modified LZ-210 zeolite A process for converting polyalkylaromatics to monoalkylaromatics, particularly cumene, in the presence of a modified LZ-210 zeolite catalyst is disclosed. The process attains greater selectivity, reduced formation of undesired byproducts, and increased activity. | 04/20/2010 |
| 7662738 | Counter weapon containment A radioactive containment composition may be created for containing radionuclides from a radioactive material by mixing a clay mineral with water. This mixture may form an aqueous clay suspension, which in turn can be refined by filtering to remove coarse material. ... | 02/16/2010 |
| 7662737 | Bound phosphorus-modified zeolite catalyst, method of preparing and method of using thereof Disclosed is a bound phosphorus-modified zeolite catalyst. Zeolite is treated with a phosphorus compound to form the phosphorus-treated zeolite. Binder material is treated with a mineral acid prior to being bound with the phosphorus-modified zeolite. The binder mate... | 02/16/2010 |
| 7651968 | Shaped body comprising a microporous material and at least one silicon-containing binding agent method for production and use thereof as catalyst in particular in a method for continuous synthesis of methylamines A process for producing a shaped body comprising a microporous material and at least one silicon-comprising binder, which comprises the steps (I) preparation of a mixture comprising the microporous material, the binder and a lubricant, (II)... | 01/26/2010 |
| 7625832 | Catalyst for the treatment of organic compounds A catalyst for the hydroprocessing of organic compounds, composed of an interstitial metal hydride having a reaction surface at which monatomic hydrogen is available. The activity of the catalyst is maximized by avoiding surface oxide formation. Transition metals an... | 12/01/2009 |
| 7585804 | ZSM-5 additive A catalyst composition suitable for reacting hydrocarbons such as in fluidized catalytic cracking (FCC) comprises an attrition-resistant particulate having at least 30% of an intermediate pore zeolite, kaolin, a phosphorous compound, and a high density unreactive co... | 09/08/2009 |
| 7582583 | Shaped body containing a microporous material and at least one silicon-containing binder, method for the production thereof and its use as a catalyst, particularly in a method for producing triethylenediamine (TEDA). Process for producing a shaped body comprising a microporous material and at least one silicon-containing binder, which comprises the steps (I) preparing a mixture comprising the microporous material, the binder, a make-up aid and a solvent, | 09/01/2009 |
| 7517827 | Process for preparation of liquefied petroleum gas selective cracking catalyst The present invention relates to a cracking catalyst composition for cracking heavy hydrocarbon and processes for preparing the catalyst. The process can include treating zeolite with sodium free basic compound with or without phosphate, treating an alumina with a d... | 04/14/2009 |
| 7507685 | Phosphorus-containing zeolite catalyst A zeolite catalyst is prepared by treating a zeolite with a phosphorus compound to form a phosphorus-treated zeolite. The phosphorus-treated zeolite is heated to a temperature of about 300° C. or higher and combined with an inorganic oxide binder material to form a... | 03/24/2009 |
| 7470645 | Zeolite composite, method for making and catalytic application thereof A catalytic material includes microporous zeolites supported on a mesoporous inorganic oxide support. The microporous zeolite can include zeolite Beta, zeolite Y (including “ultra stable Y”—USY), mordenite, Zeolite L, ZSM-5, ZSM-11, ZSM-12, ZSM-20, Theta-1, ZS... | 12/30/2008 |
| 7456124 | Rhenium-containing transalkylation catalysts and processes for making the same Transalkylation catalysts containing rhenium and a molecular sieve component comprising an acidic MFI molecular sieve having a Si/Al2 molar ratio of less than about 80 and mordenite provide a transalkylation product with a low content of benzene co-boiler... | 11/25/2008 |
| 7442664 | Process for the preparation of an FCC catalyst This invention relates to a process for the preparation of a fluid catalytic cracking catalyst with improved attrition resistance. According to this preparation process, an aqueous slurry comprising a zeolite, day, and poly aluminum chloride is spray-dried and subse... | 10/28/2008 |
| 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 |
| 7417003 | Solid acid catalyst and process for decomposition of cumene hydroperoxide The present invention provides a catalyst particle of an inner core, an outer layer surrounding and bonded to the inner core, the outer layer of a zeolite beta catalyst, and the outer layer having a volumetric fraction from about 0.17 to about 0.62 of the entire cat... | 08/26/2008 |
| 7413792 | Structure with oriented tubular pores A mesostructured material, which has plural tubular pores and is arranged on a polymer surface, characterized in that the pores are uniaxially oriented. The mesostructured material can be developed to functional devices. ... | 08/19/2008 |
| 7407906 | Process for the preparation of a molecular sieve adsorbent for the adsorptive dehydration of alcohols This invention relates to the use of pore mouth control of microporous solids for developing novel molecular sieve adsorbents and their potential in the drying of alcohols. More specifically, the invention relates to the manufacture and use of a molecular sieve adso... | 08/05/2008 |
| 7402545 | Catalyst that comprises at least one bog-structured zeolite and its use in transalkylation of alkyl-aromatic hydrocarbons This invention relates to a catalyst that contains at least one BOG-structured zeolite that comprises silicon and at least one Element T that is selected from the group that is formed by aluminum, iron, gallium and boron. The catalyst contains at least one metal tha... | 07/22/2008 |
| 7396522 | Catalyst useful for removal of hydrogen sulphide from gas stream and its conversion to sulphur, a process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst The present invention relates to a catalyst useful for removal of hydrogen sulphide from gas streams and its conversion to sulphur, a process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst. ... | 07/08/2008 |
| 7393804 | Exhaust gas purifying catalyst and process for purification of exhaust gas An exhaust gas purifying catalyst has a catalytic component including copper, ZSM-5, and β zeolite. This exhaust gas purifying catalyst reduces nitrogen oxides even from low temperature range and exhibits durability even under a thermal load of high temperature. | 07/01/2008 |
| 7393805 | Catalyst treatment useful for aromatics conversion process A process for preparing a transalkylation catalyst, the catalyst itself, and a transalkylation process for using the catalyst are herein disclosed. The catalyst comprises rhenium metal on a solid-acid support such as mordenite, which has been treated with a sulfur-b... | 07/01/2008 |
| 7390762 | Method for the preparation of high-content NaY molecular sieves synthesized from kaolin sprayed microspheres A method for synthesizing high-content NaY molecular sieves with kaolin sprayed microspheres includes adding functional components and deionized water into kaolin so as to be pulped into a mixed slurry. The slurry is sprayed into microspheres. The microspheres are c... | 06/24/2008 |
| 7387978 | Selective para-xylene production via methylation of toluene with methanol in the presence of modified HZSM-5 catalyst We disclose a method for converting toluene to xylenes, comprising contacting toluene with methanol in the presence of a silica-bound HZSM-5 catalyst. As an example, in one embodiment the method can include: (i) first silylating HZSM-5, to form silylated HZSM-5; (ii... | 06/17/2008 |
| 7381675 | Direct epoxidation catalyst A catalyst comprising a noble metal supported on a diatomaceous earth and a transition metal zeolite is disclosed. The catalyst is used in an epoxidation process comprising reacting an olefin, hydrogen, and oxygen. The diatomaceous earth is readily available and may... | 06/03/2008 |
| 7381676 | Catalyst composition and its use thereof in aromatics alkylation This disclosure relates to a catalyst composition comprising (a) a crystalline MCM-49 molecular sieve; and (b) a binder comprising at least 1 wt. % of a titanium compound. In one aspect of this disclosure, the titanium compound comprises at least one of titanium oxi... | 06/03/2008 |
| 7378364 | Palladium and germanium-containing catalysts and alkylaromatic transalkylation processes using such catalysts Transalkylation catalysts comprising acidic molecular sieve, palladium and germanium have good activities and attenuate aromatic ring saturation and lights co-production provided that sufficient palladium is contained in the catalyst. ... | 05/27/2008 |
| 7375048 | ZSM-5 additive A catalyst composition suitable for reacting hydrocarbons such as in fluidized catalytic cracking (FCC) comprises an attrition-resistant particulate having at least 30% of an intermediate pore zeolite, kaolin, a phosphorous compound, and a high density unreactive co... | 05/20/2008 |
| 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 |
| 7368410 | Zeolite catalyst and method of preparing and use of zeolite catalyst A zeolite catalyst is prepared by treating a zeolite with a phosphorus compound to form a phosphorus-treated zeolite. The phosphorus-treated zeolite is heated to a temperature of about 300° C. or higher and combined with an inorganic oxide binder material to form a... | 05/06/2008 |
| 7354750 | Methods for separating molecules The present invention provides compositions and methods for the separation of metals or molecules such as polypeptides, nucleic acids, or endotoxins using a metal-modified solid support. The metals or molecules are isolated from a starting material using the modifie... | 04/08/2008 |
| 7323430 | Selective para-xylene production via methylation of toluene with methanol in the presence of modified HZSM-5 catalyst We disclose a method for preparing a catalyst for converting toluene to xylenes. As an example, in one embodiment the method can include: (i) binding HZSM-5 to silica, to form silica-bound HZSM-5; (ii) silylating the silica-bound HZSM-5, to form silylated silica-bou... | 01/29/2008 |
| 7314605 | Microporous crystalline metal silicates and processes for their preparation New bridged layered silicates are disclosed where the bridging groups bridge adjacent silicate layers via oxygen atoms on each silicate layer that are unshared to produce porous three dimensional structures. Methods for making these bridged layered silicates are dis... | 01/01/2008 |
| 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 |
| 7304015 | Compositions for separating molecules The present invention provides compositions for the separation of metals or biomolecules such as polypeptides, nucleic acids, or endotoxins using modified solid supports. ... | 12/04/2007 |
| 7304016 | Compositions for separating molecules The present invention provides compositions for the separation of metals or biomolecules such as polypeptides, nucleic acids, or endotoxins using modified solid supports. ... | 12/04/2007 |
| 7294727 | Catalyst preparation The invention relates to a process for the preparation of an epoxidation catalyst which process involves (a) drying a silica gel carrier having a weight average particle size of from 0.1 mm to 2 mm at a temperature of from more than 200° C. to 300° C., and (b) con... | 11/13/2007 |
| 7291575 | Active, heterogeneous bi- or tri-dentate catalyst A catalyst composition, and olefin polymerization process using same, formed from a mixture of a non-aluminoxane aluminum compound, an inorganic oxide and a transition metal bidentate or tridentate complex in certain prescribed proportions. The composition can be fo... | 11/06/2007 |
