| Entries |
| Document | Title | Date |
|---|
| 20080220162 | Method for manufacturing metal-carrying carbonaceous material - A method for manufacturing a metal-carrying carbonaceous material is provided. The method comprises immersing a carbonaceous material in a metal-containing aqueous solution under vacuum, with stirring, and/or in the presence of a polar solvent, and then thermally treating the immersed carbonaceous material at a temperature ranging from 120° C. up to a temperature not higher than the melting point of the involved metal under vacuum or in the presence of a protective gas. According to the method, the metal can be effectively carried on a carbonaceous material so as to enhance the applicability of the metal-carrying carbonaceous material. | 09-11-2008 |
| 20080268148 | Process for Surface Modifications of Tio2 Particles and Other Ceramic Materials - A method of preparing a surface modified ceramic material. | 10-30-2008 |
| 20080305256 | Method for producing lithium vanadium polyanion powders for batteries - This invention relates to a process for producing an improved cathode powder for making lithium ion batteries wherein the powder comprises lithium, vanadium and a polyanion. The process includes forming a solution-suspension of the precursors, which include vanadium pentoxide, with a reducing agent, a solvent, and a carbon-residue-forming material. The reducing agent causes the vanadium in vanadium pentoxide to reduce from V5+ to V3+. The solution-suspension is heated in an inert environment to drive the synthesis of the LVP (Li | 12-11-2008 |
| 20080311291 | Process for the Production of Doped Metal Oxide Particles - Process for the production of doped metal oxide particles, wherein the doping component is present on the surface in the form of domains, wherein in a first reaction zone, an oxidizable and/or - hydrolysable metal compound as dopant together with an atomization gas is atomised into a flow of metal oxide particles in a carrier gas, wherein the mass flow of the metal oxide particles und - the mass flow of the dopant are selected such that the doped metal oxide particles contain 10 ppm to 10 wt. % of the doping component, where the quantity of dopant to be introduced is calculated as the corresponding oxide, and wherein the temperature in the first reaction zone is - selected such that it is below the boiling temperature of the dopant under the prevailing reaction conditions, and then, in a second reaction zone, the flow from the first - reaction zone and optionally at least as much oxygen and/or steam are - introduced that the quantity of oxygen and/or steam at least suffices completely to convert the dopant, wherein the temperature is from 300 to 2000° C., - preferably 500 to 1000° C., and the reaction mixture is then cooled or allowed to cool and the doped metal oxide particles are separated from the gaseous substances. | 12-18-2008 |
| 20090162546 | System, formulation and method for producing ceramic vacuum microspheres - A system, formulation and method for producing ceramic vacuum microspheres utilizing a spray dryer having a top mounted atomizer rotary wheel and a side or bottom mounted dual fluid nozzle, forming microspheres by spraying solution from the top mounted atomizer rotary wheel and simultaneously coating the microspheres by spraying solution from the side or bottom mounted dual fluid nozzle, transferring the microspheres to a secondary heating unit, and drying the microspheres, all under vacuum of between 1 to 5 millibars. | 06-25-2009 |
| 20090246367 | METHODS FOR FORMING CARBON NANOTUBES - Methods of forming a roughened metal surface on a substrate for nucleating carbon nanotube growth, and subsequently growing carbon nanotubes are provided. In preferred embodiments roughened surfaces are formed by selectively depositing metal or metal oxide on a substrate surface to form discrete, three-dimensional islands. Selective deposition may be obtained, for example, by modifying process conditions to cause metal agglomeration or by treating the substrate surface to provide a limited number of discontinuous reactive sites. The roughened metal surface may then be used as nucleation points for initiating carbon nanotube growth. The carbon nanotubes are grown in the same process chamber (in-situ) as the formation of the three dimensional metal islands without exposing the substrate to air. | 10-01-2009 |
| 20090304921 | PARTICULATE MATTER AND METHODS OF OBTAINING SAME FROM A KRAFT WASTE RECLAMATION - The present invention relates in general to a method for obtaining particulate calcium carbonate and activated carbon particles and methods for using same, and more particularly, to a method for obtaining activated carbon particles having an average particle size less than about 12 microns from a pulp mill. | 12-10-2009 |
| 20090304922 | POLYMERS CONTAINING HEXAGONAL BORON NITRIDE PARTICLES COATED WITH TURBOSTRATIC CARBON AND PROCESS FOR PREPARING THE SAME - The present invention describes polymer compositions containing boron nitride particles that are encapsulated in layers of turbostratic carbon. The polymers so prepared exhibit enhanced thermal conductivity. | 12-10-2009 |
| 20090324819 | METHODS FOR INCREASING POLYCRYSTALLINE SILICON REACTOR PRODUCTIVITY BY RECYCLE OF SILICON FINES - Processes for producing polycrystalline silicon include contacting silicon particles with a thermally decomposable silicon compound in a reaction chamber. A portion of the silicon decomposable compound decomposes to produce silicon dust which is discharged from and reintroduced into the reaction chamber. The discharged silicon dust agglomerates with the silicon particles. | 12-31-2009 |
| 20100075031 | METHOD OF FORMING A (RUTILE) TITANIUM DIOXIDE-COATED PLATELET-LIKE PIGMENT - The invention relates to a method of forming (rutile) titanium dioxide-coated platelet-like pigments in which hydrous titanium dioxide is deposited on platelet-like particles followed by calcining, comprising (a) effecting the titanium deposit in the presence of an α-hydroxy carboxylic acid, especially glycolic acid, or oxalic acid, and an amino acid, especially glycine, alanine, valine, aspartic acid (α-, β- and γ-form); or an amino acid; to the pigments obtained by the method and the use thereof. The method can work in the absence of exogenous metal and Ti(III). The rutile TiO | 03-25-2010 |
| 20100173070 | Porous Substrates, Articles, Systems and Compositions Comprising Nanofibers and Methods of Their Use and Production - Porous and/or curved nanofiber bearing substrate materials are provided having enhanced surface area for a variety of applications including as electrical substrates, semipermeable membranes and barriers, structural lattices for tissue culturing and for composite materials, production of long unbranched nanofibers, and the like. A method of producing nanofibers is disclosed including providing a plurality of microparticles or nanoparticles such as carbon black particles having a catalyst material deposited thereon, and synthesizing a plurality of nanofibers from the catalyst material on the microparticles or nanoparticles. Compositions including carbon black particles having nanowires deposited thereon are further disclosed. | 07-08-2010 |
| 20110052804 | PROCESS FOR THE MANUFACTURE OF TITANIA COATED MICROSPHERES - The present invention relates to a process for the manufacture of titania-coated microspheres, preferably titania-coated inorganic microspheres, comprising at least the steps of: (i) providing a mixture comprising (a) a solution of a titania precursor of formula A pTi qF rin a solvent comprising water, wherein A is selected from the group consisting of hydrogen, alkali metal and ammonium, p is 2, 3, 4 or 6, q is 1 or 2 and r is 6, 7, 8 or 14 such that p+4q=r and (b) inorganic microspheres; (ii) adding a fluoride scavenger to the mixture; and (iii) maintaining the pH of the mixture in the range of 1 to less than 2 during at least a part of the process. | 03-03-2011 |
| 20110081484 | CORE-SHELL PARTICLE AND METHOD FOR MANUFACTURING THE SAME - Process for producing a core shell particle comprising the steps of: a. Introducing inorganic particles into an aqueous phase b. Adding a hydrophobic substance and making an emulsion of the hydrophobic substance in the aqueous phase c. Adding inorganic particles precursors to the emulsion until an inorganic shell made from inorganic particles precursors and inorganic particles of step a. is created around hydrophobic droplets. | 04-07-2011 |
| 20110151116 | PROCESS FOR THE PRODUCTION OF COATED TITANIUM DIOXIDE PIGMENTS - A process for the preparation of pigment-grade titanium dioxide is provided that produces substantially anatase-free titanium dioxide with a uniform coating of a metal oxide without producing separate particles of the metal oxide that are not incorporated into the coating. The process comprises mixing a titanium dioxide precursor with a silicon compound to form an admixture and introducing the admixture and oxygen into a reaction zone to produce substantially anatase-free titanium dioxide. The titanium dioxide produced is contacted with a metal oxide precursor homogeneously mixed with a solvent component downstream of the reaction zone to form a uniform coating of the metal oxide on the titanium dioxide particles. | 06-23-2011 |
| 20110159182 | TREATED ALUMINA HYDRATE MATERIAL AND METHODS OF MAKING THE SAME - In a particular embodiment, a particulate material includes alumina hydrate. The particulate material has a 500 psi Compaction Volume Ratio of at least about 4.0 cc/cc. | 06-30-2011 |
| 20110244123 | OXIDE COATED CERAMIC POWDERS - A method of forming a dielectric powder includes depositing a metal nitrate coating on ceramic particles to form nitrate coated ceramic particles, separating the nitrate coated ceramic particles, dewatering the nitrate coated ceramic particles, and heat treating the nitrate coated ceramic particles at a temperature sufficient to convert the metal nitrate to a metal oxide, forming metal oxide coated ceramic particles. | 10-06-2011 |
| 20110262640 | Methods for Making Construction Material Using Enzyme Producing Bacteria - There is provided a method for producing construction material utilizing loose pieces of aggregate, enzyme producing bacteria, an amount of urea and an amount of calcium ions. A first solution is prepared which includes urease which is formed by enzyme producing bacteria. A second solution is prepared which includes urea and calcium ions. The first and second solutions are added to the loose aggregate. The calcium ions contribute to the formation of calcium carbonate wherein the calcium carbonate fills and bonds between at least some of the gaps between the loose pieces of aggregate forming a solid construction material. | 10-27-2011 |
| 20110268877 | METHODS FOR MAKING HIGH STRENGTH CERAMIC ELEMENTS - One embodiment of the present invention relates to spherical ceramic elements, such as proppants, for maintaining permeability in subterranean formations to facilitate extraction of oil and gas therefrom. The strength of the ceramic element may be enhanced by combining materials having different coefficients of thermal expansion. Methods of making the ceramic elements are also disclosed. | 11-03-2011 |
| 20120009344 | PROCESS AND APPARATUS FOR PRODUCING COMPOSITE MATERIAL - A process and an apparatus for producing a composite material utilize a rotatable hollow body that is inclined with an upstream side being higher than a downstream side. A reaction zone is defined within an elongated chamber in the hollow body. Protrusions inwardly extend from an inner peripheral wall of the hollow body adjacent to the reaction zone. Base material is input into the chamber via a base material introduction port and a carbon source vapor is input into the chamber via a carbon source supply port. A heater heats the reaction zone to a temperature at which carbon nanotubes form on the base material from the carbon source vapor. The protrusions catch base material disposed on the inner peripheral wall of the hollow body when the hollow body rotates and then drop the base material through the reaction zone so that the base material contacts the carbon source vapor. | 01-12-2012 |
| 20120070573 | MG-ZN-A1-BASED HYDROTALCITE-TYPE PARTICLES AND RESIN COMPOSITION CONTAINING THE SAME - Preparing Mg—Zn—Al-based hydrotalcite-type particles which comprise core particles composed of Mg—Al-based hydrotalcite and an Mg—Zn—Al-based hydrotalcite layer formed on the surface of the core particle, and have an average plate surface diameter of 0.1 to 1.0 .mu.m and a refractive index adjustable to a required value in the range of 1.48 to 1.56. | 03-22-2012 |
| 20120082786 | METHOD FOR MANUFACTURING ENCAPSULATED SUPERHARD MATERIAL - The invention relates to a method of manufacturing encapsulated superhard material, the method comprising the steps of providing a source of superhard material, providing a mixture comprising an appropriate binder, a solvent or fluid medium and the intended coating or encapsulating layer, combining the superhard material and the mixture in a shovel rotor comprising a vessel including a rotor, the vessel adapted to receive a stream of gas; and rotating the rotor at an appropriate velocity such that the superhard material is encapsulated by the mixture. The invention further relates to an encapsulated superhard material produced by a method as hereinbefore described. | 04-05-2012 |
| 20120121804 | METHOD FOR PRODUCING SILICA-ZIRCONIA COMPOSITE PARTICLES EACH COATED WITH SILICA LAYER - Disclosed is a method for producing silica-zirconia composite oxide particles each coated with a silica layer, which is characterized in that a liquid dispersion of silica-zirconia composite oxide particles is obtained by reacting an alkoxide of silicon and/or a condensable compound derived from the alkoxide with an alkoxide of zirconium and/or a condensable compound derived from the alkoxide in a water-containing solvent that contains acetonitrile so that the reaction liquid is to contain not less than 10% by mass of acetonitrile, and then the surface of each silica-zirconia composite oxide particle is coated with a silica layer by reacting the silica-zirconia composite oxide particles dispersed in the liquid dispersion with an alkoxide of silicon and/or a condensable compound derived from the alkoxide in the liquid dispersion of silica-zirconia composite oxide particles. | 05-17-2012 |
| 20120128878 | Nano-Filler for Composites - A hybrid carbon nanotube and clay nanofiller is produced by a freeze-drying process performed on clay platelets, and carbon nanotubes grown on the clay platelets using a chemical vapor deposition process. | 05-24-2012 |
| 20120135141 | POLYMERIZATION ON PARTICLE SURFACE WITH REVERSE MICELLE - A method of coating particles comprises providing a solution comprising reverse micelles. The reverse micelles define discrete aqueous regions in the solution. Hydrophobic nanoparticles are dispersed in the solution. Amphiphilic monomers are added to the solution to attach the amphiphilic monomers to individual ones of the nanoparticles and to dissolve the individual nanoparticles attached with amphiphilic monomers in the discrete aqueous regions. The monomers attached to the nanoparticles are polymerized to form a polymer layer on the individual nanoparticles within the discrete aqueous regions. The polymerization comprises adding a cross-linker to the solution to cross-link the monomers attached to the individual nanoparticles. The solution for coating individual nanoparticles may comprise a microemulsion comprising a continuous phase and a discrete aqueous region defined by reverse micelles; hydrophobic nanoparticles dispersed in the microemulsion; amphiphilic polymerizable monomers attachable to the hydrophobic nanoparticles; and a cross-linker for polymerizing the monomers. | 05-31-2012 |
| 20120231161 | System, Formulation and Method for Producing Ceramic Vacuum Microspheres - A system, formulation and method for producing ceramic vacuum micro spheres utilizing a spray dryer having a top mounted atomizer rotary wheel and a side or bottom mounted dual fluid nozzle, forming microspheres by spraying solution from the top mounted atomizer rotary wheel and simultaneously coating the microspheres by spraying solution from the side or bottom mounted dual fluid nozzle, transferring the microspheres to a secondary heating unit, and drying the microspheres, all under vacuum of between 1 to 5 millibars. | 09-13-2012 |
| 20130078374 | METHOD OF FORMING CARBON NANOTUBES FROM CARBON-RICH FLY ASH - The method of forming carbon nanotubes from carbon-rich fly ash is a chemical vapor deposition-based method for forming carbon nanotubes from recycled carbon-rich fly ash. The method includes first ultrasonically treating the carbon-rich fly ash to produce an ultrafine powdered ash, and then reacting the ultrafine powdered ash in a low pressure chemical vapor deposition reactor to form the carbon nanotubes. The ultrasonic treatment of the carbon-rich fly ash includes the steps of dissolving the carbon-rich fly ash in water to form a solution, then sonicating the solution, separating the ultrafine powdered ash from the solution, and finally drying the ultrafine powdered ash. The method provides for total conversion of the carbon-rich fly ash to carbon nanotubes having a variety of differing diameters and lengths, including multi-walled carbon nanotubes with a high degree of wall graphitization and C═C double bonds stretching at 1635 cm | 03-28-2013 |
| 20130101736 | METHOD FOR PREPARING GRANULAR WEED CONTROL PRODUCTS HAVING IMPROVED DISTRIBUTION OF AGRICULTURALLY ACTIVE INGREDIENTS COATED THEREON - A method for improving the distribution of agriculturally active ingredients on the surface of granules includes preparing a sprayable liquid solution of at least one agriculturally active ingredient, and applying the sprayable liquid solution on the granules by spraying the liquid solution in atomized form onto the surface of the granules to provide a coating on the surface of the granules which enables substantially all of the agriculturally active ingredient on the granule to be solubilized by the naturally occurring moisture present on the foliage of a treated weed for absorption into the cells of the treated weed when the granules are applied thereto. | 04-25-2013 |
| 20130183442 | METHODS OF PRODUCING CADMIUM SELENIDE MULTI-POD NANOCRYSTALS - A detecting device for assembly position of vehicle body side walls includes a first detecting device for location surface of front position and/or a second detecting device for location surface of reverse position. The first detecting device includes two first rules (22) and a front detecting sample (21), of which the top surface (27) is flat, and the lower surface (26) is a measuring surface. The two first rules (22) are arranged at the both ends of sides of the front detecting sample (21). The first rules (22) are perpendicular to the top surface (27) of the front detecting sample (21). The second detecting device includes two second rulers (32) and a reverse detecting sample (31), of which the top surface (37) is flat, and the lower (36) surface is a measuring surface. The two second rules (32) are arranged at the both ends of sides of the reverse detecting sample (31). The detecting device can detect and adjust the transverse deflection, longitudinal linearity and tortuosity of one of the location surfaces in the assembly positions better, thus avoiding the accumulating error in detecting in the prior art. A detecting method for assembly position of vehicle body side walls is provided. | 07-18-2013 |
| 20130251900 | NANO-STRUCTURED REFRACTORY METALS, METAL CARBIDES, AND COATINGS AND PARTS FABRICATED THEREFROM - Refractory metal and refractory metal carbide nanoparticle mixtures and methods for making the same are provided. The nanoparticle mixtures can be painted onto a surface to be coated and heated at low temperatures to form a gas-tight coating. The low temperature formation of refractory metal and refractory metal carbide coatings allows these coatings to be provided on surfaces that would otherwise be uncoatable or very difficult to coat, whether because they are carbon-based materials (e.g., graphite, carbon/carbon composites) or temperature sensitive materials (e.g., materials that would melt, oxidize, or otherwise not withstand temperatures above 800° C.), or because the high aspect ratio of the surface would prevent other coating methods from being effective (e.g., the inner surfaces of tubes and nozzles). The nanoparticle mixtures can also be disposed in a mold and sintered to form fully dense components. | 09-26-2013 |
| 20130273247 | SEMICONDUCTOR NANOCRYSTALS AND METHODS OF PREPARATION - A method for preparing semiconductor nanocrystals is disclosed. The method comprises adding a precursor mixture comprising one or more cation precursors, one or more anion precursors, and one or more amines to a ligand mixture including one or more acids, one or more phenol compounds, and a solvent to form a reaction mixture, wherein the molar ratio of (the one or more phenol compounds plus the one or more acids plus the one or more amine compounds) to the one or more cations initially included in the reaction mixture is greater than or equal to about 6, and heating the reaction mixture at a temperature and for a period of time sufficient to produce semiconductor nanocrystals having a predetermined composition. Methods for forming a buffer layer and/or an overcoating layer thereover are also disclosed. Semiconductor nanocrystals and compositions including semiconductor nanocrystals of the invention are also disclosed. In certain embodiments, a semiconductor nanocrystal includes one or more Group IIIA and one or more Group VA elements. | 10-17-2013 |
| 20140004261 | Sintering Aid Coated YAG Powders and Agglomerates and Methods for Making | 01-02-2014 |
| 20140113071 | PROPPANTS FOR USE IN HYDROFRACKING - A proppant is formed by a method including inserting a plurality of particles into a heating device, such as a rotary tunnel kiln. The particles are heated at a first temperature within the heating device. A non-epoxy, non-urethane thermoset coating is heated to at least its melting point or dissolved in a solvent or both, and sprayed into the heating device and onto the particles. The particles are heated to a second temperature, higher than the first temperature. | 04-24-2014 |
| 20140147586 | PROCESS FOR MAKING AN ALKALI METAL OXYANION COMPRISING IRON - The present invention relates to a process for making an alkali metal oxyanion comprising iron. In one aspect of the invention, hydrothermal methods are used with a nanoscale iron precursor in order to provide desirably low particle size and high purity and crystallinity. | 05-29-2014 |
| 20140272132 | Complexometric Precursors Formulation Methodology for Industrial Production of High Performance Fine and Ultrafine Powders and Nanopowders for Specialized Applications - A method of forming a powder M | 09-18-2014 |
| 20150125600 | POROUS CERAMIC BODIES AND PROCESS FOR THEIR PREPARATION - A process for producing a porous ceramic body comprises a) mixing a coated porogen with a silicate or a oxide ceramic precursor, wherein the porogen is decomposable to gaseous decomposition products and optionally solid products upon heating, and is coated with a coating agent; b) forming a green body from the mixture obtained in step (a); and c) firing the green body obtained in step (b) to obtain the ceramic body, whereby the porogen decomposes to form pores within the ceramic body and the coating agent is deposited at the inner surface of the pores. The porogen is coated with a coating agent which, upon firing, is deposited at the inner surface of the ceramic pores, so that porous ceramics having decreased weight and improved porosity are obtained, while maintaining at the same time good mechanical strength. A green body and a porous ceramic body obtainable with the above-mentioned process are described too. | 05-07-2015 |
| 20160045881 | HIGH-PURITY SILICON TO FORM SILICON CARBIDE FOR USE IN A FLUIDIZED BED REACTOR - Segmented silicon carbide liners for use in a fluidized bed reactor for production of polysilicon-coated granulate material are disclosed, as well as methods of making and using the segmented silicon carbide liners. Non-contaminating bonding materials for joining silicon carbide segments also are disclosed. One or more of the silicon carbide segments may be constructed of reaction-bonded silicon carbide. | 02-18-2016 |
| 20160185606 | METHOD OF FORMING PARTICLES COMPRISING CARBON AND ARTICLES THEREFROM - A method of growing carbonaceous particles comprises depositing carbon from a carbon source, onto a particle nucleus, the particle nucleus being a carbon-containing material, an inorganic material, or a combination comprising at least one of the foregoing, and the carbon source comprising a saturated or unsaturated compound of C | 06-30-2016 |
| 20180022988 | PROPPANTS FOR USE IN HYDRAULIC FRACTURING OF SUBTERRANEAN FORMATIONS | 01-25-2018 |
| 20180025889 | NONTHERMAL PLASMA SYNTHESIS | 01-25-2018 |
| 20220135487 | PREPARATION METHOD FOR CERAMIC COMPOSITE MATERIAL, CERAMIC COMPOSITE MATERIAL, AND WAVELENGTH CONVERTER - Provided is a ceramic composite material and a wavelength converter. The ceramic composite material includes: an alumina matrix, a fluorescent powder uniformly distributed in the alumina matrix, and scattering centers uniformly distributed in the alumina matrix, wherein the alumina matrix is an alumina ceramics, the scattering centers are alumina particles, the alumina particles each have a particle diameter of 1 μm to 10 μm, and the fluorescent powder has a particle diameter of 13 μm to 20 μm. | 05-05-2022 |
