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| Number | Title | Issue Date |
| 7569507 | Preparing small crystal SSZ-32 and its use in a hydrocarbon conversion process The invention is directed to a method of making a small crystal SSZ-32 zeolite, known as SSZ-32X. The catalyst is suitable for use in a process whereby a feed including straight chain and slightly branched paraffins having 10 or more carbon atoms is dewaxed to produ... | 08/04/2009 |
| 7417005 | Process for making, and use of, anionic clay materials Anionic clay compounds such as hydrotalcite-like compounds can be made by a process wherein a non-hydrotalcite-like compound (or a hydrotalcite-like compound) are heat treated and then hydrated to form hydrotalcite-like compounds having properties (e.g., increased h... | 08/26/2008 |
| 7407909 | Ex-situ reduction and dry passivation of noble metal catalysts A method of ex-situ activation and dry passivation of supported noble metal catalysts including the steps of reducing in the presence of hydrogen and dry passivation by cooling in an inert atmosphere and exposing to air or by filling the pores of the catalyst with a... | 08/05/2008 |
| 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 |
| 7384883 | Production of catalysts for olefin conversion A process for producing a catalyst for olefin cracking, the process comprising the steps of providing an MFI-type crystalline silicate catalyst, heating the catalyst in steam to remove aluminum from the crystalline silicate framework and extracting aluminum from the... | 06/10/2008 |
| 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 |
| 7326401 | MWW type zeolite substance, precursor substance therefor, and process for producing these substances A process for easily synthesizing a zeolite substance containing an element having a large ionic radius in the framework at a high ratio. This process comprises the following first to fourth steps: First Step: a step... | 02/05/2008 |
| 7326398 | Non-silica mesoporous oxide having improved pore structure periodism, method of producing the mesoporous oxide and method of crystallizing pore wall of non-silica mesoporous oxide using template to be filled in pores A method for preparation for mesoporous oxide comprising a non silica oxide having a hexagonal pore structure periodicity and an average maximum pore length of from 2 nm to 5 nm, characterized by comprising blending 0.003 mol to 0.01 mol of TaCl5, NbCl | 02/05/2008 |
| 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 |
| 7255725 | Porous inorganic membrane containing carbon; a process for its preparation; and use thereof A porous inorganic membrane comprises at least one inorganic phase having separating properties. Said membrane has a carbon content representing 0.05% to 25% by weight with respect to the mass of said inorganic phase and is selective to non-condensable gases. It is ... | 08/14/2007 |
| 7238636 | High temperature calcination of selectivated molecular sieve catalysts for activity and diffusional modification A method is disclosed for modifying a catalytic molecular sieve for shape-selective hydrocarbon conversions comprises: a) selectivating said catalytic molecular sieve by contacting with a silicon-containing selectivating agent; and... | 07/03/2007 |
| 7195746 | Interior surface modifications of molecular sieves with organometallic reagents and the use thereof for the conversion of oxygenates to olefins A method for making an organometallic treated molecular sieve is described in which a molecular sieve having at least one hydroxyl group and at least [AlO2] and [PO2] tetrahedral units and having an average pore dimension less than or equal to ... | 03/27/2007 |
| 7192900 | Hydrocracking catalyst Hydrocracking catalyst composition comprising an optional metal hydrogenation component supported on a carrier comprising a zeolite of the faujasite structure having a unit cell size in the range of from 24.10 to 24.40 Å, a bulk silica to alumina ratio (SAR) above... | 03/20/2007 |
| 7161036 | Process for producing oxime A process for producing an oxime is provided, wherein the process comprises the step of reacting a ketone, hydrogen peroxide and ammonia in the presence of a crystalline titanosilicate having MWW structure under the condition that the ammonia concentration in the li... | 01/09/2007 |
| 7148381 | Process for the activation of zeolitic catalysts containing titanium and their use in oxidation reactions A process is described for the activation of zeolitic catalysts containing titanium having the formula: xTiO2(1-x)SiO2 wherein x ranges from 0.0001 to 0.4, which consists in treating said materials with a solution of an ammonium salt of a carbo... | 12/12/2006 |
| 7112552 | 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. ... | 09/26/2006 |
| 7112313 | Process for making, and use of, anionic clay materials Anionic clay compounds such as hydrotalcite-like compounds can be made by a process wherein a non-hydrotalcite-like compound (or a hydrotalcite-like compound) are heat treated and then hydrated to form hydrotalcite-like compounds having properties (e.g., increased h... | 09/26/2006 |
| 7098161 | Method of treating zeolite A method for treating zeolite particles to remove organic templating agent therefrom is accomplished by calcining the zeolite particles in a fluidized-bed at a temperature of no more than about 600° C. for a period of time sufficient to remove at least about 50% of... | 08/29/2006 |
| 7081426 | Method for improving crystalline titanosilicate catalyst having MWW structure A method for improving a crystalline titanosilicate catalyst having an MWW structure, characterized in that it comprises treating the crystalline titanosilicate catalyst having a MWW structure with a silylating agent. ... | 07/25/2006 |
| 7078364 | Ship-in-a-bottle catalysts In accordance with the present invention there is provided a novel catalyst system in which the catalytic structure is tailormade at the nanometer scale using the invention's novel ship-in-a-bottle synthesis techniques. The invention describes modified forms of soli... | 07/18/2006 |
| 7067693 | Deeply reduced oxidation catalyst and its use in preparing N-(phosphonomethyl) glycine compounds This invention relates to an improved catalyst, comprising a carbon support having a noble metal at its surface, for use in catalyzing liquid phase oxidation reactions, especially in an acidic oxidative environment and in the presence of solvents, reactants, interme... | 06/27/2006 |
| 7060645 | Method for manufacturing zeolite and method for manufacturing ε-caprolactam The present invention provides a method for manufacturing a zeolite comprising following steps of: (1): calcining crystals obtained by hydrothermal synthesis reaction of a silicon compound; (2): contact treating a calcined product obtained ... | 06/13/2006 |
| 7041616 | Enhanced selectivity of zeolites by controlled carbon deposition A method for carbonizing a zeolite comprises depositing a carbon coating on the zeolite pores by flowing an inert carrier gas stream containing isoprene through a regenerated zeolite at elevated temperature. The carbonized zeolite is useful for the separation of lig... | 05/09/2006 |
| 7022844 | Amide-based compounds, production, recovery, purification and uses thereof Methods are disclosed of producing and purifying at least one amide. In accordance with one of the methods disclosed herein, the at least one amide is produced by providing an organic liquid comprising at least one oxime, providing at least one catalyst, adding the ... | 04/04/2006 |
| 7018542 | Method for removing heavy metals and radionuclides from an aqueous solution A solid ion-exchange material useful for removing heavy metals or radionuclides from an aqueous solution comprising a modified clinoptilolite, and methods of using same are provided. ... | 03/28/2006 |
| 7014827 | Synthesis of silicoaluminophosphates Disclosed is a method for the manufacture of silicoaluminophosphate (SAPO) and/or aluminophosphate (ALPO) molecular sieves. The method includes maintaining the slurry of the as crystallized molecular sieve under substantially static conditions when stored after subs... | 03/21/2006 |
| 7001866 | Modification of the pore structure of metal oxide and mixed metal oxide supports for catalysts synthesis A porous catalyst support having an increased average pore size is produced from a mixed metal oxide material. In accordance with one embodiment, a method for preparing a mixed metal oxide material includes providing a mixed metal oxide precursor containing at least... | 02/21/2006 |
| 6995108 | Method for producing catalysts by acid activation A process for producing catalysts by acid activation of phyllosilicates and coating with catalytically active metal ions wherein the acid activation is carried out in the presence of catalytically active metal ions. The solution which forms during acid activation to... | 02/07/2006 |
| 6991774 | Rare earth zeolite Y and the preparation process thereof The present invention discloses a high stability rare earth zeolite Y with high rare earth and the preparation process thereof, which zeolite has a content of rare earth of 4–15 wt %, a unit cell constant of 2.450–2.458 nm, a differential thermal collapsed tempe... | 01/31/2006 |
| 6982074 | High silica zeolites: UZM-5HS A family of crystalline aluminosilicate zeolites designated UZM-5HS and derived from UZM-5 have been synthesized. The aluminum content of the UZM-5HS is lower than that of the starting UZM-5 thus changing its ion exchange capacity and acidity. These UZM-5HS are repr... | 01/03/2006 |
| 6958304 | Method for regenerating a zeolite catalyst A process for the regeneration of a zeolite catalyst which comprises treating the catalyst thermally in the presence of a gas stream at temperatures above 120° C., the weight-based residence time of the gas stream over the catalyst during the thermal treatment bein... | 10/25/2005 |
| 6951968 | Production of olefins A process for the production of olefins by catalytic cracking, the process comprising feeding a hydrocarbon feedstock containing at least one olefin of C4 or greater over a MFI-type crystalline silicate catalyst to produce an effluent containing at least ... | 10/04/2005 |
| 6943131 | Selective zeolite catalyst modification A method of modifying a zeolite catalyst to increase selectivity of the catalyst is achieved by dissolving alumina in a phosphorus-containing acid solution, and treating the zeolite catalyst with the dissolved alumina solution. A method of preparing an aromatic prod... | 09/13/2005 |
| 6929736 | Compounds, compositions and methods to reduce SOx emissions from FCC units Anionic clay compounds such as hydrotalcite-like compounds can be made by a process wherein a non-hydrotalcite-like compound (or a hydrotalcite-like compound) are heat treated and then hydrated to form hydrotalcite-like compounds having properties (e.g., increased h... | 08/16/2005 |
| 6878657 | Process for the preparation of a molecular sieve adsorbent for the size/shape selective separation of air This invention relates to the use of pore mouth control of zeolite NaA for developing a novel molecular sieve adsorbents and their potential in the separation and purification of gaseous mixtures by the size/shape selective adsorption. More specifically,the inventio... | 04/12/2005 |
| 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 |
| 6841510 | Treatment of molecular sieves with silicon containing compounds This invention is directed to a molecular sieve composition or a catalyst containing molecular sieve which has a relatively high residual silica index, preferably at least about 1.5. The molecular sieve or catalyst can be made by contacting a template-containing mol... | 01/11/2005 |
| 6833127 | Method of removing structure directing agents from molecular sieves A structure directing agent is removed from a microporous solid at a temperature below the temperature that would cause the structure directing agent to decompose by cleaving the structure directing agent within the pores of the microporous solid, at a temperature b... | 12/21/2004 |
| 6827859 | Method for removing heavy metals and radionuclides from an aqueous solution A method for removing heavy metals or radionuclides from an aqueous solution comprising contacting the aqueous solution with an ion exchange material selected from a solid ion exchange material, a liquid ion exchange material, or mixtures thereof, wherein the ion ex... | 12/07/2004 |