Patents in Class 423/337

Matches 1 - 50 out of 156

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Match	Document	Document Title
1	7615201	Spherical particles of silica-containing compound oxide and method of production By using a halogen-free siloxane and an organometallic compound containing at least one metal other than silicon as feed stocks, and simultaneously atomizing and burning them in a flame, spherical...
2	7585481	Method for producing amorphous silica ash The invention provides apparatus and a method for exothermic treatment of feed material to provide an ash. The apparatus includes a housing extending about a central axis and having first and...
3	7585480	Highly pure ultra-fine SiOx powder and method for production thereof A highly pure ultra-fine SiOx (wherein x is from 0.6 to 1.8) powder having a specific surface area of at least 10 m 2 /g and a total content of Na, Fe, Al and Cl of at most 10 ppm is provided. The...
4	7572423	Fumed metal oxide particles and process for producing the same The invention provides a process for producing fumed metal oxide particles comprising providing a stream of a liquid feedstock comprising a volatizable, non-halogenated metal oxide precursor,...
5	7541014	Pyrogenically produced silica Pyrogenically produced silica powder with a BET surface of 30 to 90 m 2 /g, a dibutyl phthalate number of at least 80 and a tamped density of no more than 110 g/l. It is produced in that at least...
6	7534409	Pyrogenic silicon dioxide powder and dispersion thereof Pyrogenically produced silicon dioxide powder with a specific surface area of between 5 and 600 m 2 /g and a carbon content of less than 500 ppm, which displays a specific dibutyl phthalate...
7	7534410	Method for making silica nanoparticles by flame spray pyrolysis adopting two-fluid nozzle The invention relates to a method for making silica nanoparticles using a flame reactor, which includes a droplet spray having a two-fluid nozzle and a burner of a quintuple tube structure. In this...
8	7507389	Hydrophobic fumed silica A hydrophobic fumed silica treated with a cyclic dimethylsiloxane, the hydrophobic fumed silica having an M-value representing an oleophilic degree in a range of 48 to 65, a tapping bulk density of...
9	7494636	Highly dispersible fine hydrophobic silica powder and process for producing the same A high dispersible hydrophobic fine silica powder can be made, wherein the silica powder has hydrophobicity of more than 50%, triboelectrostatic charge of more than −500 μC/g, decomposition rate...
10	7439298	Pyrogenically produced silicon dioxide powder and silicone sealing compound containing this powder Pyrogenically produced silicon dioxide powder in the form of aggregates of primary particles having a BET surface area of 150±15 m 2 /g, wherein the aggregates display an average surface area of...
11	7438882	Gel and powder making A method of forming a gel and/or powder of a metallic oxide, metalloid oxide and/or a mixed oxide or resin thereof from one or more respective organometallic liquid precursor(s) and/or...
12	7332144	Hydrophobic silica fine powder and making method A hydrophobic silica fine powder is prepared by premixing a hydrophilic silica fine powder with a dimer diol siloxane or cyclic siloxane as a hydrophobizing agent, mixing them in a ball mill for...
13	7255843	Low viscosity-increment fumed-silica and its slurry A fumed-silica, which can make a slurry having sufficient wettability to a polar liquid, excellent dispersibility, and low viscosity even in the high concentration, and a slurry thereof. A...
14	7214363	Method for preparing composite microparticles Composite microparticles having thin coating layers can be simply prepared by bringing a host particle precursor into contact with a flame generated in a burner movably mounted at the bottom of a...
15	RE39535	Method of making fused silica by decomposing siloxanes This invention relates to the production of high purity fused silica glass through oxidation or flame hydrolysis of a vaporizable silicon-containing compound. More particularly, this invention is...
16	7192461	High concentration silica slurry A high concentration silica slurry can be used for polishing of substrates, such as semiconductor materials. The slurry contains a silica powder dispersed in an solvent. The silica slurry has a...
17	7090815	Nanometer engineering of metal-support catalysts A method of forming a catalyst body by forming a first layer of hemispherical grain polysilicon over a substrate, and oxidizing at least a portion of the first layer to form a second layer of...
18	7090821	Metal oxide powder for high precision polishing and method of preparation thereof The present invention relates to a metal oxide powder for high precision polishing and prepartion thereof, comprising aggregates formed by cohesion of primary particles, which has a cohesive degree...
19	7083770	Amorphous, fine silica particles, and method for their production and their use The amorphous-silica particle having 0.1–0.7 μm of the average particle diameter, 5–30 m 2 /g of the specific surface area, less than 40% of the dispersion coefficient, and 20 μC/m 2 of the...
20	6994834	Surface-modified fine silica powder and use thereof A surface modified fine silica powder which has been treated, preferably, with a treating agent containing an amino group, characterized in that the powder exhibits an adsorption amount for an...
21	6951636	Nanometer engineering of metal-support catalysts A method of forming a catalyst body by forming a first layer of hemispherical grain polysilicon over a substrate, and oxidizing at least a portion of the first layer to form a second layer of...
22	6932953	Particulate silica and its preparation Particulate silica is prepared by feeding a gas mixture of an organohalosilane gas, a flammable gas capable of generating water vapor when burned, and a free oxygen-containing gas to a reaction...
23	6893621	Lithium-containing silicon oxide powder and making method A lithium ion secondary cell having a high capacity, improved first charge/discharge efficiency and improved cycle performance is obtainable using as the negative electrode material a...
24	6872402	Bactericidal silicon dioxide doped with silver Pyrogenically prepared silica doped with silver or silver oxide is prepared by feeding an aerosol into a flame such as is used for the preparation of pyrogenic silica, mixing the aerosol...
25	6858195	Process for forming a low dielectric constant fluorine and carbon-containing silicon oxide dielectric material The invention provides a process for forming a low k fluorine and carbon-containing silicon oxide dielectric material by reacting with an oxidizing agent one or more silanes that include one or...
26	6763683	Method for pure, fused oxide A method and furnace are described for producing a fused oxide body by decomposing a precursor compound of the oxide in a flame to form molten oxide particles and collecting those particles in a...
27	6759160	Silicon oxide powder and making method A silicon oxide powder represented by the formula: SiOx wherein 1.05≦x≦1.5 and having a BET specific surface area of 5-300 m 2 /g is useful as a negative electrode material to construct a...
28	6749823	Method for producing hydrophobic silica fine powder Hydrophobic silica fine powder is produced by pyrolyzing a silane compound to form a silica fine powder and hydrophobizing the silica fine powder with an organohalosilane in a fluidization vessel....
29	6705127	Methods of manufacturing soot for optical fiber preforms and preforms made by the methods The present invention is directed to methods of producing soot used in the manufacture of optical waveguides. Both non-aqueous liquid reactants and aqueous solutions containing one or more salts...
30	6702994	Method and apparatus for production of amorphous silica from silicon and silicon containing materials The present invention relates to a method for production of amorphous silica from particulate materials containing at least 50% elemental silicon, where the silicon-containing material is supplied...
31	6696035	Method for production of white microsilica The present invention relates to a method for producing microsilica having a reflectivity between 65 and 90% in a smelting furnace for production of ferrosilicon or silicon by using a charge...
32	6696036	Method of making silica from rice bran A method for extracting silica of more than 99.99% purity from rice bran includes the steps of: washing rice bran in water and removing impurities floated on the water; sequentially washing the...
33	6622523	Method of converting halogenated compounds to glass The present invention provides a two stage process of thermal separation of CFCs and HCFCs followed by vitrification of the waste into a commercially viable glass. In the first stage, the...
34	6588230	Sealed, nozzle-mix burners for silica deposition Burners ( 40 ) for producing fused silica boules are provided. The burners employ a tube-in-tube ( 301-306 ) design with flats ( 56, 50 ) on some of the tubes ( 305, 301 ) being used to limit the...
35	6565823	Method and apparatus for forming fused silica by combustion of liquid reactants The present invention is directed to a method for making fused silica glass. A liquid, preferably halide-free, silicon-containing compound capable of being converted by thermal oxidative...
36	6551567	Spherical silica particles and method of production Spherical, non-crystalline silica particles made by burning a non-halogenated siloxane starting material are substantially halogen-free, and have a content of metallic impurities other than silicon...
37	6508997	Silane oxidation exhaust trap An oxidation exhaust trap for filtering a particulate product of a first gas contacted with a gaseous oxidizing agent. The oxidation exhaust trap has a vessel having an interior cavity. The vessel...
38	6495114	Production of silica particles A process for producing ultra fine silica particles, the process comprising directing a plasma jet onto a silicon-containing compound thereby to form silica vapor and condensing the silica vapor on...
39	6471930	Silicon oxide particles A method for the production of silicon oxide particles includes the pyrolysis of a molecular stream with a silicon compound precursor, an oxygen source and a radiation absorbing gas. The pyrolysis...
40	6395807	Fine spherical silica and liquid sealing resin composition containing same The fine spherical silica having a particle size distribution in which maximum particle diameter is 24 μm, average particle diameter is 1.7 to 7 μm, and the proportion X 1 of particles having a...
41	6352679	Ultrafine particle silicon dioxide and process for producing the same An ultrafine particle silicon dioxide which comprises silicon dioxide powders in the range of ultrafine particles having a BET specific surface area of 350 m 2 /g or more and has a ratio of...
42	6333013	Method for producing an ultra fine silica powder A method for producing an ultra fine silica powder, which comprises subjecting a raw material mixture containing a silica powder, a reducing agent comprising a metal silicon powder and/or a carbon...
43	6312656	Method for forming silica by combustion of liquid reactants using oxygen The present invention is directed to a method for making silica. A liquid, preferably halide-free, silicon-containing compound capable of being converted by thermal oxidative decomposition to SiO 2...
44	6254940	Electrically assisted synthesis of particles and film with precisely controlled characteristic The present invention related to methods of manufacturing oxide, nitride, carbide, and boride powders and other ceramic, organic, metallic, carbon and alloy powders and films and their mixtures...
45	6242373	Boron oxide-silicon dioxide mixed oxide A boron oxide-silicon dioxide mixed oxide which has a BET surface of less than 100 m 2 g, and optionally containing oxides of aluminium, titanium or zirconium, is prepared pyrogenically by flame...
46	6207610	Compacts based on pyrogenically produced silicon dioxide Compacts based on pyrogenically produced silicon dioxide and having the following physical and chemical characteristics: TBL Outer diameter 0.8-20 mm BET surface area 30-400 m 2 /g...
47	6193944	Method of recovering fumed silica from spent potliner Spent potliner from an aluminum reduction cell is subject to an acid digest and the digest may be adjusted to produce a first gas component comprised of at least one material selected from the...
48	6174509	Pure fused silica, furnace and method An article of relatively pure silica, and a furnace and method of producing the article. The article is produced by collecting molten silica particles (24) in a refractory furnace in which at least...
49	6159540	Polyfunctional organosilane treatment of silica The present invention provides a method of treating silica wherein silica is reacted with a di- or tri-functional organosilane in an aqueous acid medium to provide a crude organosilane-capped...
50	6123908	Method of treating spent potliner material from aluminum reduction cells A process of treating spent potliner material from aluminum reduction cells and recovering useful products. In the process of the present invention, spent potliner material is introduced into an...

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