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| Number | Title | Issue Date |
| 7807132 | Methods for making mesostructured zeolitic materials A quantity of solution sufficient to dissolve a pH controlling substance and/or substantially dissolve a surfactant without substantial excess solution is controlled under a set of time and temperature conditions to transform an inorganic material having long-range ... | 10/05/2010 |
| 7442365 | Process for preparing molecular sieve beads A process for preparing beads of various compositions has been developed. The process involves preparing a reaction mixture of sources of framework elements of a molecular sieve. The reaction mixture can optionally contain molecular sieve seeds. Additional sources o... | 10/28/2008 |
| 7378076 | Process for production of macrostructures of a microporous material The invention involves a process for production of macrostructures of a microporous material. The process is characterized by the fact that seeds formed in or introduced by ion exchange or adsorption to a porous organic ion exchanger with the desired size, shape and... | 05/27/2008 |
| 7344695 | In-situ ZSM-5 synthesis A novel method of forming ZSM-5 comprises reacting calcined kaolin microspheres with silicate and a seed solution used for forming zeolite Y under conditions of pH, temperature, and time to yield ZSM-5 crystals formed in-situ on said calcined kaolin microspheres. Th... | 03/18/2008 |
| 7341707 | Method for in-situ synthesis of crystalline microporous metalloaluminophosphate in a formed body The invention concerns a method for production of microporous crystalline metalloaluminium phosphates (ELAPO) based adsorbents or catalysts by in-situ crystallisation of ELAPO inside a formed body. First the formed body containing aluminium phosphate (AIPO) and bind... | 03/11/2008 |
| 7341706 | Method of synthesising crystalline microporous metalloaluminophosphate for a solid body The invention concerns a simple and cheap method for production of microporous crystalline metalloaluminiumphosphates (ELAPO) for use as adsorbent or catalyst by wholly or partially filling the pores of particles containing aluminum phosphate (AIPO) with an aqueous ... | 03/11/2008 |
| 7320782 | Process for preparing a layered molecular sieve composition A process for preparing a layered composition has been developed. The composition comprises an inner core and an outer layer comprising a molecular sieve. The process involves providing a slurry comprising inner core particles and sources of the framework elements o... | 01/22/2008 |
| 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 |
| 7264789 | Crystalline molecular sieves A colloidal suspension of LEV structure type crystalline molecular sieve, making the suspension by washing smaller crystallites from a previously found solid LEV product, and using the suspension as seeds in further crystalline molecular sieve syntheses. ... | 09/04/2007 |
| 7244409 | Process for producing synthetic zeolites with MFI structure A process is described for producing synthetic zeolites useful as catalysts with a MFI structure, a Si/Al atomic ratio from about 8 to 45 to 1 and very small primary crystallites. A Si source, an Al source and an organic template are reacted with one another under h... | 07/17/2007 |
| 7211239 | Process for preparing a nanosized zeolitic material A process for preparing a zeolitic material, comprising (i) preparing a mixture comprising the at least one silicon containing precursor compound from which the zeolitic framework is formed, at least one pore forming agent, and at least one polymer whic... | 05/01/2007 |
| 7182932 | Catalyst preparation A TS-1 catalyst suitable for the production of oxirane compounds is prepared by subjecting conventionally formed TS-1 to a size reduction treatment such as milling such that the average particle size weighted by volume of the TS-1 is reduced to less than 10 microns ... | 02/27/2007 |
| 7141232 | Preparation of molecular sieves involving spray drying Molecular sieves are prepared by forming a reaction mixture slurry, spray drying the reaction mixture slurry to form particles, and heating the spray dried reaction mixture at a temperature and pressure sufficient to cause crystallization of the molecular sieve. The... | 11/28/2006 |
| 7129193 | Catalyst body This invention aims at providing a catalyst body exhibiting a lower degradation of a catalyst due to thermal durability and capable of keeping higher catalyst performance for a long time. A catalyst component such as Pt is directly supported by Zr, W, etc, replacing... | 10/31/2006 |
| 7119042 | Catalyst composition for the isomerization of n-paraffin and a process for isomerizing n-paraffin Provided is a catalyst composition for the isomerization of n-paraffin which comprises a β-zeolite having been synthesized according to a dry gel process and contains cerium, the β-zeolite being characterized in that it has an average particle diameter of 0.01˜0.... | 10/10/2006 |
| 7112316 | Process for preparing molecular sieves via continuous addition of nutrients A process for synthesizing a variety of molecular sieves has been developed. The process involves forming a reaction mixture comprising reactive sources of the framework elements plus at least one templating agent, reacting the mixture to at least partially crystall... | 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 |
| 7094390 | Macrostructures of porous inorganic material 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. ... | 08/22/2006 |
| 7081237 | Preparation of a crystalline, zeolitic solid Process for the preparation of a crystalline solid comprising at least one zeolitic material, in which the solid is crystallized from at least one precursor compound and the reaction discharge of the crystallization is fed directly to a drying stage. ... | 07/25/2006 |
| 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 |
| 7067108 | Chabazite-type molecular sieve, its synthesis and its use in the conversion of oxygenates to olefins The synthesis of a crystalline material, in particular a high silica zeolite, having a chabazite-type framework is aided by the addition to the synthesis mixture of seeds of an AEI framework-type material. The chabazite-type product has a relatively small crystal si... | 06/27/2006 |
| 7045671 | Process for catalytic dehydrogenation and catalyst therefor A process for catalytic dehydrogenation of a dehydrogenatable hydrocarbon process stream to the corresponding olefin or olefins, the process comprising contacting the dehydrogenatable hydrocarbon process stream under dehydrogenation conditions with a mesoporous zeot... | 05/16/2006 |
| 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 |
| 7014837 | Process for the production of nan-sized zeolite A Described is a process to synthesize nano-size Zeolite A from an amorphous gel precursor which can be synthesized via reaction of NaAlO2, NaOH, and tetraethoxysilane (TEOS). Zeolite A with particle sizes of ˜150 nm was made by transformation of the amorp... | 03/21/2006 |
| 7005118 | Synthetic mesoporous material with radially assembled nanotubes This invention relates to a new composition of high surface area materials suitable for adsorption of both organic and inorganic species and as a component of catalysts useful for the transformation of hydrocarbons into a variety of products. These materials are com... | 02/28/2006 |
| 6998104 | Synthesis of mesoporous zeolite Silicic and aluminum sources as raw materials of zeolite are mixed with carbon aerogel. The mixture is subjected to hydrothermal reaction for synthesis of zeolite, while an aqueous solution, which contains sodium hydroxide and tetrapropylammonium bromide, is being d... | 02/14/2006 |
| 6951638 | Process for producing synthetic zeolites with an MFI structure A process is described for producing synthetic zeolites with a MFI structure, a Si/Al atomic ratio from roughly 8 to 45 and very small primary crystallites, a Si source, an Al source and an organic template being reacted with one another under hydrothermal condition... | 10/04/2005 |
| 6949238 | Microporous crystals and synthesis schemes Novel zeolites are produced by combining a polar solute, a silicon or phosphorous source, and a structure directing agent. Surfactants and a hydrophobic solvent are added to the previously mixed three species and shaken to disperse the surfactants. The reverse micro... | 09/27/2005 |
| 6949239 | Process for production of macrostructures of a microporous material The invention involves a process for production of macrostructures of a microporous material. The process is characterized by the fact that seeds formed in or introduced by ion exchange or adsorption to a porous organic ion exchanger with the desired size, shape and... | 09/27/2005 |
| 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 |
| 6926882 | 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. ... | 08/09/2005 |
| 6923949 | Synthesis of ZSM-48 crystals with heterostructural, non ZSM-48, seeding Pure phase, high activity ZSM-48 crystals having a SiO2/Al2O3 ratio of less than about 150/1, substantially free from ZSM-50 and Kenyaite, and fibrous morphology crystals. The crystals may further have a specific cross morphology. A ... | 08/02/2005 |
| 6908603 | In-situ ZSM-5 synthesis A novel method of forming ZSM-5 comprises reacting calcined kaolin microspheres with silicate and a seed solution used for forming zeolite Y under conditions of pH, temperature, and time to yield ZSM-5 crystals formed in-situ on said calcined kaolin microspheres. Th... | 06/21/2005 |
| 6908604 | Macrostructures of porous inorganic material 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. ... | 06/21/2005 |
| 6893624 | High activity small crystal ZSM-12 A porous, crystalline material is described having the framework structure of ZSM-12 and a composition involving the molar relationship: X2O3:(n)YO2 wherein X is a trivalent element, Y is a tetravalent element and... | 05/17/2005 |
| 6887457 | Process for the preparation of catalysts comprising a pentasil-type zeolite A process for the preparation of a composition comprising a pentasil-type zeolite, which process comprises the following steps: a) hydrothermally treating an aqueous slurry comprising an aluminium source, a silicon source, a seeding material, and optionally a... | 05/03/2005 |
| 6841144 | Method for the production of a titanium-containing zeolite The present invention concerns a method for the production of a titanium-containing zeolite whereby a synthesis gel is formed by combining and hydrolysing a hydrolysable silicon compound, a hydrolysable titanium compound and a basic quaternary ammonium compound in a... | 01/11/2005 |
| 6835369 | Molecular sieve CIT-6 The present invention relates to new crystalline, molecular sieve CIT-6 that has the topology of zeolite beta. CIT-6 can be in an all-silica form, in a form wherein zinc is in the crystal framework, or a form containing silicon oxide and non-silicon oxides. In a pre... | 12/28/2004 |
| 6827924 | Process for the preparation of nanocrystalline zeolite beta The present invention relates to the preparation of nanocrystalline zeolite beta by a modified aerogel protocol comprising four steps, namely, hydrolysis, nucleation, crystallization and supercritcal drying. ... | 12/07/2004 |
| 6821503 | Molecular sieves and processes for their manufacture Crystalline molecular sieve particles of a size suitable for use as seeds in molecular sieve manufacture are obtained by washing larger particle sized product to dislodge smaller particles from the larger. ... | 11/23/2004 |
