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| Number | Title | Issue Date |
| 7824657 | Fabrication of hierarchical zeolites A method for producing zeolite or zeotype crystals with a hierarchical pore system having both pores with average diameter between 0.3-2 nm and pores with an average diameter size larger than 4 nm in diameter, comprising the steps of applying a carbohydrate or a car... | 11/02/2010 |
| 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 |
| 7314847 | Regenerable sorbents for COcapture from moderate and high temperature gas streams A process for making a granular sorbent to capture carbon dioxide from gas streams comprising homogeneously mixing an alkali metal oxide, alkali metal hydroxide, alkaline earth metal oxide, alkaline earth metal hydroxide, alkali titanate, alkali zirconate, alkali si... | 01/01/2008 |
| 7309686 | Process for producing natural surfactants and compositions based on natural surfactants A process for extracting a natural surfactant includes the steps of providing a quantity of water, adding in a quantity of seaweed to the water resulting in a process medium, adding an enzyme solution to the process medium, and extracting the natural surfactant from... | 12/18/2007 |
| 7247593 | Catalyst for aromatization of alkanes, process of making and using thereof A catalyst, a process for making the catalyst and a process for using the catalyst in aromatization of alkanes to aromatics, specifically, aromatization of alkanes having two to six carbon atoms per molecule, such as propane, to aromatics, such as benzene, toluene a... | 07/24/2007 |
| 7223377 | Process for producing micro-mesoporous metal oxide having regulated pores formed by novel template removal method The present invention is the method for preparation of transition metal oxide having micro-mesoporous structure whose average fine pores size is not less than 1 nm and not more than 2 nm comprising, adding and dissolving transition metal salt which is a precursor of... | 05/29/2007 |
| 7176118 | Circuit constructions The invention includes methods of forming regions of differing composition over a substrate. A first material having a pattern of at least one substantially amorphous region and at least one substantially crystalline region is provided over the substrate. The at lea... | 02/13/2007 |
| 7169348 | Method of making metal oxide nanoparticles in an exfoliated silicate framework A method of producing metal oxide nanoparticles in an exfoliated silicate framework by forming an aqueous exfoliated silicate suspension by mixing a layered clay into water until clear. To which is added an acidic hydrated metal species precursor solution, formed by... | 01/30/2007 |
| 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 |
| 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 |
| 7098166 | Catalyst for preparing fluorine-containing alcohol compound and a process for preparation of fluorine-containing alcohol compound A process for preparing a fluorine-containing alcohol compound, the process comprising the step of reacting water with a halogenated fluorine compound in the presence of a catalyst for preparing a fluorine-containing alcohol compound, the catalyst obtained by suppor... | 08/29/2006 |
| 7078130 | Metallic mesoporous transition metal oxide molecular sieves, room temperature activation of dinitrogen and ammonia production This invention provides novel stable metallic mesoporous transition metal oxide molecular sieves and methods for their production. The sieves have high electrical conductivity and may be used as solid electrolyte devices, e.g., in fuel cells, as sorbents, e.g. for h... | 07/18/2006 |
| 7067095 | Synthesis of silicoaluminophosphate molecular sieves In a method of synthesizing a silicoaluminophosphate molecular sieve comprising at least one intergrown phase of an AEI framework type material and a CHA framework type material, a first synthesis mixture is prepared comprising water and sources of phosphorus, alumi... | 06/27/2006 |
| 7037874 | Process for the preparation of porous crystalline silicoaluminophosphate molecular sieves The present invention relates to an improved process for the preparation of porous crystalline silicoaluminophosphate molecular sieves designated as SAPO-35. These molecular sieves are useful as catalysts in the transformation of hydrocarbons especially in the metha... | 05/02/2006 |
| 7018604 | Compounds for novel proton conducting membranes and methods of making same The present invention provides new compounds for use in proton exchange membranes which are able to operate in a wide variety of temperature ranges, including in the intermediate temperature range of about 100° C. to 700° C., and new and improved methods of making... | 03/28/2006 |
| 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 |
| 6992436 | Light emitting device There is provided a light emitting device and electric equipment, which are bright and have low consumption power and are low in costs. When an organic EL material is made present in a metal oxide porous body including a heavy atom, phosphorescence light emitting of... | 01/31/2006 |
| 6956006 | Modified titanium dioxide and a method for its preparation The invention relates to a composite material comprising silicon and titanium dioxide characterized by an enhanced thermal and hydrothermal stability of the pore structure. The composite is obtainable by precipitating titanium hydroxide from an aqueous solution cont... | 10/18/2005 |
| 6953767 | Silicoaluminophosphate molecular sieve The present invention relates to a silicoaluminophosphate molecular sieve comprising at least one intergrown phase of molecular sieves having AEI and CHA framework types, wherein said intergrown phase has an AEI/CHA ratio of from about 5/95 to 40/60 as determined by... | 10/11/2005 |
| 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 |
| 6946109 | Ultra-stable lamellar mesoporous silica compositions and process for the preparation thereof Novel lamellar mesoporous silica compositions which can contain functional inorganic elements and organic functional groups as part of the lamellar silica framework structure are described. The compositions are prepared using gemini amine surfactants as templates or... | 09/20/2005 |
| 6903240 | Process for manufacturing a silicoalumino-phosphate molecular sieve Small particle size SAPO-34 is obtained by using a tetraalkyl orthosilicate as the silicon source. ... | 06/07/2005 |
| 6521198 | Metal surfaces coated with molecular sieve for corrosion resistance Metal surfaces are protected against corrosion by a coating of molecular sieve, notably a zeolite or a phosphate-containing molecular sieve, rendered substantially non-porous by the retention (or addition) of a pore-filling member inside the voids of the ... | 02/18/2003 |
| 6331500 | Functionalized molecular sieves The present invention relates to functionalized molecular sieves that are useful as shape-selective adsorbents and catalysts. The inventive molecular sieves have a crystalline framework and include micropores of substantially uniform size and shape formed... | 12/18/2001 |
| 6326326 | Surface functionalized mesoporous material and method of making same According to the present invention, an organized assembly of functional molecules with specific interfacial functionality (functional group(s)) is attached to available surfaces including within mesopores of a mesoporous material. The method of the presen... | 12/04/2001 |
| 6284696 | Mesopore molecular sieve and process for the production thereof A mesopore molecular sieve having a hydrocarbon group bonded directly to a silicon atom in the metal oxide skeleton constituting the molecular sieve, wherein the content of said hydrocarbon group is from 0.01 to 0.6 mol per mol of the metal oxide. Also di... | 09/04/2001 |
| 6221835 | High density zeolites and their production Novel synthetic zeolite compositions of extremely small particle sizes that have increased loading capability, and process technology for producing such compositions are described. So far as is presently known, it has never been possible to form such comp... | 04/24/2001 |
| 6162414 | Quasi crystalline inorganic oxide compositions prepared by neutral templating route Crystalline inorganic oxide compositions having regular wormhole-like channels are described. The formation of the mesoporous composition is accomplished by hydrogen bonding between a neutral amine template in water and a water miscible organic solvent an... | 12/19/2000 |
| 6083617 | Polyester composition and films produced therefrom A polyester composition comprising 0.005 to 10% by weight compound oxide particles having a volume average particle meter of 0.005 to 2 μm, a relative standard deviation ς of the particle diameter of not more than 0.3, and composed mainly of silicon (Si... | 07/04/2000 |
| 5958367 | Methods for preparing porous metal oxides The present invention relates to a composition and a method for producing hexagonally-packed mesoporous metal oxides wherein the metal oxide is selected from transition metals and lanthanide metals. The composition includes hexagonally packed metal oxide ... | 09/28/1999 |
| 5879655 | Method of making microporous non-zeolitic molecular sieves The present invention is a method for synthesizing non-zeolitic molecular sieves which have a three-dimensional microporous framework structure comprising AlO2 ! and PO2 ! units. In preparing the reaction mixture, a critical feat... | 03/09/1999 |
| 5849258 | Material with microporous crystalline walls defining a narrow size distribution of mesopores, and process for preparing same The invention relates to a synthetic crystalline material and its use in catalytic conversion of organic compounds and as a sorbent. The crystalline material contains one or more microporous crystalline phases, having a micropore volume greater than or eq... | 12/15/1998 |
| 5840271 | Synthetic material with high void volume associated with mesoporous tortuous channels having a narrow size distribution A process for preparing an inorganic porous material, includes the steps of forming a solution of a hydrolyzable inorganic compound with a non-ionic surfactant having organic molecules; inducing growth and condensation of a solid composition comprising an... | 11/24/1998 |
| 5830427 | Metallochalcogenide microporous compositions having metal-metal bonds This invention relates to dimetal sulfide or selenide microporous crystalline compositions. These compositions have the empirical formula Rx (M1+y M2+z M4)Aq where R is a cation such as te... | 11/03/1998 |
| 5785946 | Crystalline inorganic oxide compositions prepared by neutral templating route This invention relates to new crystalline organic compositions having unique combinations of framework-confined uniform mesopores and textural mesopores and to a method for their preparation. The compositions typically possess a framework wall thickness o... | 07/28/1998 |
| 5783167 | Structure material of the zeolite type with ultralarge pores and a lattice comprised of silicone and titanium oxides: its synthesis and utilization for the selective oxidation of organic products The invention relates to a material comprised of silicotitanates having a crystalline structure similar to MCM-41 zeolites, said material being characterized in that it contains in its lattice atoms of titanium and channels in its porous structure whose a... | 07/21/1998 |
| 5756792 | Direct reaction of phosphorus acids with the hydroxy group on the surface of solids The subject invention encompasses a method for producing phosphorus acid ester derivatives of silicon-hydroxy groups found on the surface of solid silica gel or zeolites.... | 05/26/1998 |
| 5731028 | Crystallized zilpaterol hydrochloride Crystallized anhydrous zilpaterol hydrochloride having less than 5% of the crystals with a size of less than 15 microns and at least 95% of the crystals having a size of less than 250 microns and a process for its preparation and novel intermediates.... | 03/24/1998 |
| 5718878 | Mesoporous titania and process for its preparation Essentially mesoporous titanium oxide materials, having an average pore diameter of no more than about 100 Å (e.g., from about 20 Å to about 50 Å) and an average surface area of no less than about 300 m2 /gm, preferably no less than about 50... | 02/17/1998 |
| 5707601 | Process for preparing zeolites having MTT crystal structure using small, neutral amines The present invention relates to a process for preparing zeolites having the MTT crystal structure, such as zeolites SSZ-32 and ZSM-23, using small, neutral amines capable of forming the zeolite, the amine containing (a) only carbon, nitrogen and hydrogen... | 01/13/1998 |
