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| Number | Title | Issue Date |
| 7442227 | Tightly agglomerated non-oxide particles and method for producing the same A non-oxide powder of which at least about 40% by mass is comprised of a plurality of tightly agglomerated compositions, each of the tightly agglomerated compositions comprising a plurality of primary particles agglomerated together. Suitable materials for the prima... | 10/28/2008 |
| 7390335 | Nanostructured bioactive materials prepared by spray drying techniques Nano-particles of calcium and phosphorous compounds are made in a highly pure generally amorphous state by spray drying a weak acid solution of said compound and evaporating the liquid from the atomized spray in a heated column followed by collection of the precipit... | 06/24/2008 |
| 7300806 | Process for producing fine particles of bismuth titanate It is an object to provide fine particles of bismuth titanate having excellent dielectric characteristics, high crystallinity and a small particle diameter, and a process for their production. The object is accomplished by a process which comprises a step of obtaini... | 11/27/2007 |
| 7232556 | Titanium comprising nanoparticles and related nanotechnology Nanoparticles comprising titanium, such as nanoscale doped titanium metal compounds, inorganic titanium compounds, and organic titanium compounds, their methods of manufacture, and methods of preparation of products from nanoparticles comprising titanium are provide... | 06/19/2007 |
| 7211230 | Process for producing nanometer grade powders The present invention discloses a process for producing nanometer powders, comprising the following steps: (a) providing reactant solution A and reactant solution B that can rapidly react to form precipitate; (b) continuously adding said solution A and solution B in... | 05/01/2007 |
| 7189279 | Cross-linked polymeric nanoparticles and metal nanoparticles derived therefrom There are provided internally cross-linked, stable polymeric materials, in the form of substantially spherical particles, each particle consisting essentially of a single macromolecule. They have the unusual property of being soluble or dispersible in a liquid mediu... | 03/13/2007 |
| 7189417 | Nanometer-sized carrier medium The present invention relates to a colloidal dispersion of amine-terminated silica particles having a narrowly controlled size range in an aqueous phase for use in diagnostic imaging, drug delivery and gene therapy, as well as methods for preparing surface-modified ... | 03/13/2007 |
| 7182929 | Nanostructured multi-component and doped oxide powders and method of making same A method for producing nanostructured multi-component or doped oxide particles and the particles produced therein. The process includes the steps of (i) dissolving salts of cations, which are either dopants or components of the final oxide, in an organic solvent; (i... | 02/27/2007 |
| 7135206 | Coated titanium dioxide particles A method for producing nanoscale titanium dioxide particles which are coated with an oxide, a hydroxide or an oxide hydroxide of Al, Ce, Zr and/or Si wherein the enzymatic precipitant system urease/urea is used. Said coated titanium dioxide particles can have an ave... | 11/14/2006 |
| 7118724 | Method of producing nanophase WC powder by vapor phase reaction Nanophase WC powder is produced by preparing a precursor including tungsten; producing gas by vaporizing or sublimating the precursor; carbonizing the gas in the atmosphere without oxygen while maintaining pressure below atmospheric pressure; and condensing the carb... | 10/10/2006 |
| 7115240 | Method of producing nanophase WC-based powder by vapor phase reaction at atmospheric pressure The present invention relates to a method of producing nanophase powder, which can be used as materials for high-strength and wear-resistance cemented carbide. It purports to provide a method of producing WC powder of a 10˜20 nm grade by using vapor phase reaction ... | 10/03/2006 |
| 6675459 | Bulk amorphous metal magnetic components for electric motors A high efficiency electric motor has a generally polyhedrally shaped bulk amorphous metal magnetic component in which a plurality of layers of amorphous metal strips are laminated together to form a generally three-dimensional part having the shape of a p... | 01/13/2004 |
| 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 |
| 6660671 | Method of producing a composite material having a high SiO2 content, composite material obtained according to the method, and permanent mold made thereof Composite material with high resistance to temperature changes and a high density, and having an SiO2 -containing matrix with quartz glass grains embedded therein is produced by preparing a suspension from a particle mixture of finely divided S... | 12/09/2003 |
| 6655575 | Superplastic forming of micro components A method for forming a miniaturized shaped component. Bulk superplastic material is contacted with a flat rotating surface of a rotating tool to frictionally heat the bulk superplastic material with the bulk superplastic material positioned between the fl... | 12/02/2003 |
| 6656590 | Coated barium titanate-based particles and process Coated barium titanate-based particles and a process to coat the particles are provided. The coating includes a dopant metal compound that is insoluble in water under alkaline conditions. The dopant metal in the coating is selected from the group of metal... | 12/02/2003 |
| 6653591 | Method and apparatus for direct electrothermal-physical conversion of ceramic into nanopowder A method of producing nanocrystalline ceramic powder by creating a plasma stream in a reactor vessel, and physically converting a ceramic precursor material into ceramic particles suspended in the vessel, using the plasma stream. A metallic reactant may a... | 11/25/2003 |
| 6641792 | Hollow carbon fiber and production method Production of hollow carbon fibers and hollow carbon particles includes baking and carbonization of polymer particles having a specified volume after deformation. A metal-deposited carbon fiber with metal deposited inside and/or outside the hollow carbon ... | 11/04/2003 |
| 6632897 | Use of nano-scaled metal oxide particles as polymerization catalysts Described is the use of nanoscale metal oxide particles as catalysts for the thermal and/or photochemical polymerization of species having at least one polymerizable carbon-carbon multiple bond and/or at least one carbon containing ring capable of undergo... | 10/14/2003 |
| 6631290 | Multilayer ceramic electrodes for sensing cardiac depolarization signals An implantable pacemaker is provided with cardiac depolarization sensing electrodes welded into the case along a peripheral edge surface thereof. The electrodes are coupled to signal processing circuitry within the case to provide leadless acquisition of ... | 10/07/2003 |
| 6623559 | Method for the production of semiconductor quantum particles A method for producing compound semiconductor quantum particles from at least a metallic element selected from Groups IIA, IIB, IIIA, IVA, and VA of the Periodic Table and at least a non-oxygen reactant element selected from the group consisting of P, As,... | 09/23/2003 |
| 6613302 | UZM-5, UZM-5P and UZM-6: crystalline aluminosilicate zeolites and processes using the same A new family of crystalline alumino-silicate zeolites has been synthesized. These zeolites are represented by the empirical formula. where M is an alkali or alkaline earth metal such as lithium and strontium, R is a nitrogen containing organic cation such as t... | 09/02/2003 |
| 6610114 | Oxidizing polishing slurries for low dielectric constant materials An oxidizing slurry for removal of low dielectric constant materials. The slurry is formed utilizing non-oxidizing particles with a separate oxidizing agent, oxidizing particles alone or reducible abrasive particles with a compatible oxidizing agent. The ... | 08/26/2003 |
| 4845056 | Continuous process for production of fine particulate ceramics A process is comprised of continuously producing a fine ceramic powder by drying at supercritical conditions. The feed is a sol of ceramic oxides or hydrous oxides which is continuously pressurized and heated to in excess of the critical temperature and p... | 07/04/1989 |
| 4839150 | Production of silicon carbide Silicon carbide is produced by a method which includes dipsersing silica in a residual oil, carbonizing the oil at elevated temperatures, and heating the carbonized dispersion to form silicon carbide. Preferably, the silica is an amorphous type. Preferred... | 06/13/1989 |
| 4829031 | Method of preparing ceramic compositions at lower sintering temperatures Ceramic oxide diphasic xerogels of structurally dissimilar phases (crystalline and amorphous, semicrystalline or noncrystalline) but compositionally similar phases will be converted to crystalline ceramic oxide products having enhanced densification when ... | 05/09/1989 |
| 4769351 | Hydrothermal process for preparing zirconia-alumina base ultra-fine powders of high purity A process for preparing a zirconia-alumina base composite ultra-fine powder is described, including the steps of: mixing an aluminum salt or an alumina hydrate with an aqueous zirconium oxychloride solution, with or without metal salt acting as a stabiliz... | 09/06/1988 |
| 4501726 | Intravascularly administrable, magnetically responsive nanosphere or nanoparticle, a process for the production thereof, and the use thereof An intravascularly administrable, magnetically responsive nanosphere or nanoparticle made up of a crystalline carbohydrate matrix, preferably starch, enclosing a magnetic material, is described. The nanosphere or nanoparticle is produced by dissolving a c... | 02/26/1985 |
