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| Number | Title | Issue Date |
| 8153099 | Uniformly b-oriented MFI zeolite membrane with variable thickness supported on substrate and preparation method thereof A b-oriented MFI zeolite membrane with variable thickness is provided. The MFI zeolite membrane is composed of zeolite crystals whose b-axes are all uniformly oriented perpendicular to a substrate. Further provided is a method for preparing the MFI zeolite membrane.... | 04/10/2012 |
| 7744850 | UZM-22 aluminosilicate zeolite, method of preparation and processes using UZM-22 A new family of crystalline aluminosilicate zeolites has been synthesized. These zeolites are represented by the empirical formula. Mmn+Rr+Al(1-x)ExSiyOz whe... | 06/29/2010 |
| 7384622 | Zeolite nano-crystal suspension, zeolite nano-crystal production method, zeolite nano-crystal suspension production method, and zeolite thin film A zeolite suspension contains MEL-type zeolite nanocrystals as a principal component. A method for the production of MEL-type zeolite nanocrystals includes the steps of aging a synthesized solution comprising TEOS, TBAOH, water and alcohol and subjecting the aged so... | 06/10/2008 |
| 7344694 | UZM-12 and UZM-12HS: crystalline aluminosilicate zeolitic compositions and processes for preparing and using the compositions A series of crystalline alumino-silicate zeolites identified as UZM-12 have been synthesized. These UZM-12 compositions have the ERI topology, a Si/Al>5.5 and can be prepared as nanocrystallites having an average particle size of about 15 to about 50 nanometers and ... | 03/18/2008 |
| 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 |
| 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 |
| 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 |
| 7323154 | Titanosilicate, process for its production, and its use in producing oxidized compound A titanosilicate represented by the following compositional formula (1), wherein in the infrared absorption spectrum measured in the dehydrated state, the absorption spectrum has an absorption band having a relative maximum value at 930±15 cm−1: | 01/29/2008 |
| 7255849 | EMM-3, new crystalline microporous material EMM-3 (ExxonMobil Material number 3) is a new crystalline microporous material with a framework of tetrahedral atoms connected by atoms capable of bridging the tetrahedral atoms, the tetrahedral atom framework being defined by the interconnections between the tetrah... | 08/14/2007 |
| 7138097 | Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-73 The present invention relates to new crystalline, essentially all silicon oxide molecular sieve SSZ-73 prepared using a 3-ethyl-1,3,8,8-tetramethyl-3-azoniabicyclo[3.2.1]octane cation as a structure-directing agent, and its use in the reduction of oxides of nitrogen... | 11/21/2006 |
| 7138099 | Molecular sieve SSZ-73 composition of matter and synthesis thereof The present invention relates to new crystalline, essentially all silicon oxide molecular sieve SSZ-73 prepared using a 3-ethyl-1,3,8,8-tetramethyl-3-azoniabicyclo[3.2.1]octane cation as a structure-directing agent, and methods for synthesizing SSZ-73. ... | 11/21/2006 |
| 7138007 | Gas separation using molecular sieve SSZ-73 The present invention relates to new crystalline, essentially all silicon oxide molecular sieve SSZ-73 prepared using a 3-ethyl-1,3,8,8-tetramethyl-3-azoniabicyclo[3.2.1]octane cation as a structure-directing agent, and its use in gas separations. ... | 11/21/2006 |
| 7094389 | Chabazite-containing molecular sieve, its synthesis and its use in the conversion of oxygenates to olefins A crystalline material substantially free of framework phosphorus and comprising a CHA framework type molecular sieve with stacking faults or at least one intergrown phase of a CHA framework type molecular sieve and an AEI framework type molecular sieve, wherein sai... | 08/22/2006 |
| 7074383 | Process for preparing bound zeolites A process is described for the preparation of zeolitic catalysts in the form of microspheres, comprising zeolite and oligomeric silica, characterized by a high mechanical resistance. The process consists in subjecting to rapid drying the suspension, to which tetra-a... | 07/11/2006 |
| 7029651 | Microporous crystalline material (ITQ-19) with laminar characteristics, preparation method and use thereof as a catalyst in the catalytic conversion of organic compounds The invention relates to a novel microporous crystalline material ITQ-19 used in the catalytic conversion of organic compounds, such as, for example, the dewaxing and isodewaxing of paraffins and the disproportionation of toluene. Said material has a characteristic ... | 04/18/2006 |
| 7029650 | Process for making a germanium-zeolite This invention relates to a process for making a germanium-zeolite. The zeolite is preferably a MFI-type structure, most preferably a ZSM-5 MFI zeolite. The germanium-zeolite is synthesized from an aqueous gel containing a silica source, a germanium source, an alumi... | 04/18/2006 |
| 7018595 | Process for preparing bound zeolites A process is described for the preparation of zeolitic catalysts in the form of microspheres, comprising zeolite and oligomeric silica, characterized by a high mechanical resistance. The process consists in subjecting to rapid drying the suspension, to which tetra-a... | 03/28/2006 |
| 7011810 | Crystalline molecular sieves MFS structure type zeolite manufacture is facilitated by using a second organic molecule in addition to the usual hexaethylpentane diammonium salt. ... | 03/14/2006 |
| 6884743 | Catalyst for epoxidation reactions The present invention relates to the manufacture of solid materials or shaped bodies containing at least one zeolite and being at least partly crystalline. Furthermore, the present invention relates to the solid materials or shaped bodies as such and to the use of t... | 04/26/2005 |
| 6869587 | Crystalline molecular sieve composition MCM-65, its synthesis and use This invention relates to a novel synthetic porous crystalline molecular sieve material, MCM-65, to a reaction mixture and method for its preparation, and to use of the MCM-65 in catalytic conversion of organic compounds. The crystalline material exhibits a distinct... | 03/22/2005 |
| 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 |
| 6800272 | Process for the preparation of ZSM-5 catalyst The present invention provides an improved process for the preparation of ZSM-5 catalyst of the formula 3.25 Na2O. Al2O3.30SiO2.zH2O where z=15-20 water molecules per unit cell by autoclaving a mixture of a pre-... | 10/05/2004 |
| 6713041 | Crystalline aluminosilicate zeolitic composition: UZM-9 Applicants have synthesized a new aluminosilicate zeolite identified as UZM-9. This new zeolite has the LTA topology and has an empirical formula of: Mmn+Rrp+Al1-xExSiyO | 03/30/2004 |
| 6669924 | Mesoporous zeolitic material with microporous crystalline mesopore walls The invention relates to a mesoporous zeolitic material having a stereoregular arrangement of uniformly-sized mesopores with diameters ranging from 20 to 500 Å and walls having a microporous nanocrystalline structure. The mesopore walls have a stereoregu... | 12/30/2003 |
| 6649141 | Zeolite ITQ-10 The present invention refers to a microporous rystalline material of zeolitic nature named ITQ-10, to the process of its preparation and to the use of ITQ-10 in processes of separation and transformation of organic compounds.... | 11/18/2003 |
| 6635233 | CFI-type zeolite, process for preparation of the same, catalyst prepared from the same, and process for conversion of organic compounds A CFI-type zeolite where the atomic ratio of silicon to the heteroatom is 45 or less and the long axes of the crystals are 0.7 μm or less is useful as a catalyst for conversion reaction of aromatic compounds because the zeolite has a number of active sit... | 10/21/2003 |
| 6627175 | Process for the manufacture of a crystalline solid Process for the manufacture of crystalline solids comprising at least one element chosen from Groups IIIa, IVa and Va and at least one transition metal, according to which at least one source of oxide of the element from Groups IIIa, IVa and Va and at lea... | 09/30/2003 |
| 6620402 | Method of preparing zeolite single crystals with straight mesopores Method of preparing zeolite single crystals with straight mesopores by applying a synthesis gel with zeolite precursor composition within the pore system and on the surface of a particulate matrix material template of carbon comprising the steps of: p... | 09/16/2003 |
| 6565826 | Method of preparing zeolite single crystals Method of preparing zeolite single crystals comprising the step of: applying a synthesis gel with zeolite precursor composition within pore system and on surface of a particulate matrix material having a predetermined pore structure and particle size; sub... | 05/20/2003 |
| 6558647 | Microporous and mesoporous silicoaluminate solid, process for preparation, use as a catalyst and for hydrocarbon conversion The invention relates to an acidic silicoaluminate solid that has a microporous zeolitic phase that is characterized by at least one infrared band between 400-1600 cm-1, an organized mesoporosity that is characterized by the presence of at least one X-dif... | 05/06/2003 |
| 6471940 | Preparation of zeolite A process is provided for preparing zeolite, particularly [Al]-SSZ-31, which comprises the steps of providing a mixture of a zeolite source, an aluminum-containing material, an organic structure directing substance, preferably at least one selected from t... | 10/29/2002 |
| 6471941 | Synthetic porous crystalline material ITQ-13, its synthesis and use A new synthetic porous crystalline material, designated ITQ-13, is disclosed having, in its calcined form, the X-ray diffraction pattern of Table 2 above. Also disclosed are methods of making ITQ-13 in its silicate and borosilicate forms in the presence o... | 10/29/2002 |
| 6387349 | Process for the microwave induced preparation of crystalline microporous titanium silicalite The present invention relates to a process for the microwave induced preparation of crystalline, microporous titanium silicalite. More particularly; the present invention relates to a process for the preparation of crystalline microporous titanium silical... | 05/14/2002 |
| 6379646 | Crystalline phosphorus-containing molecular sieves Molecular sieves comprising (1) phosphorus oxide; (2) a first oxide comprising an oxide of silicon, germanium or mixtures thereof; and (3) a second oxide comprising an oxide of aluminum, boron or mixtures thereof, said molecular sieve having a mole ratio ... | 04/30/2002 |
| 6303099 | Process for producing pentacyl-type crystalline zeolites and a process for producing &3xb5;-caprolactam using the same A process for producing a pentacyl-type crystalline zeolite is provided which comprises the steps of (i) preparing a mixture of a silicon compound, water and tetrapropyl ammonium hydroxide, (ii) conducting a hydrothermal reaction of the mixture to obtain ... | 10/16/2001 |
| 6077498 | Zeolite ITQ-1 The present invention relates to a microporous crystalline material of zeolitic nature, called ITQ-1A, to the process for its preparation and its use in processes of separation and transformation of organic compounds. In the roasted and anhydrous stage, t... | 06/20/2000 |
| 6074624 | Titanostannosilicates and preparation thereof A new family of crystalline titanostannosilicate molecular sieves have been synthesized. These molecular sieves have a microporous three-dimensional framework of TiO2, SnO2 and SiO2 tetrahedral oxide units and are represen... | 06/13/2000 |
| 6071485 | Process for the preparation of a micro-meso porous material with a high surface area and controlled distribution of the porosity The present invention relates to a process for the preparation of a micro-meso porous material which comprises: a) preparing a mixture starting from a tetraalkylorthosilicate, a C3 -C6 alkyl alcohol or dialcohol, a tetraalkylammonium hydr... | 06/06/2000 |
| 6054112 | Process for the preparation of titanium containing molecular sieves Titanium-containing molecular sieves are prepared by adding an aqueous template solution to a mixture of tetraalkyl orthosilicate and tetraalkyl orthotitanate, crystallizing the reaction mixture in an autoclave and separating the solid obtained optionally... | 04/25/2000 |
| 6043179 | Zeolite CIT-5 and method of making The present invention relates to new crystalline zeolite CIT-5 prepared using a N(16) methylsparteinium cation templating agent.... | 03/28/2000 |
