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7622189 |
Ceramic nanostructures and methods of fabrication
Structures and methods for the fabrication of ceramic nanostructures. Structures include metal particles, preferably comprising copper, disposed on a ceramic substrate. The structures are heated,...
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7618608 |
Aerogel and method of manufacturing same
An ambient pressure, low cycle time method for the synthesis and manufacture of a low cost, highly insulting, highly translucent, and low density transition metal-based hydrophilic and hydrophobic...
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7615206 |
Methods of fabricating nanoscale-to-microscale structures
Methods for the production of shaped nanoscale-to-microscale structures, wherein a nanoscale-to-microscale template is provided having an original chemical composition and an original shape, and...
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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...
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7611815 |
External additive for toner for electrophotography, toner for electrophotography, double-component developer for electrophotography, image-forming process using the toner, and image-forming apparatus using the toner
An external additive for a toner for electrophotography which contains oxide fine particles which contain silicon, in which the oxide fine particles have a primary particle diameter of 30 nm to 300...
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7608234 |
Precipitated silicas with particular pore size distribution
Precipitated silicas useful, for example, as fillers in elastomer mixtures or vulcanizates have a particularly broad pore size distribution of the pores with a pore diameter smaller than that of...
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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...
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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...
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7582278 |
Microporous crystalline zeolite material, zeolite ITQ-32, preparation method thereof and use of same
The invention relates to a microporous crystalline zeolite material which, in the calcined state and in the absence of defects in the crystalline lattice thereof, manifested by the presence of...
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7576035 |
Honeycomb structure and method for manufacturing honeycomb structure
A pillar-shaped honeycomb structure has a plurality of cells longitudinally placed in parallel with one another with a wall portion therebetween, wherein the honeycomb structure mainly includes...
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7572433 |
Oxides extracted from vegetal matter and process therefor
The invention concerns a process for the extraction of acid or basic oxides contained in a vegetal matter, more specifically it concerns the extraction of silica from rice husks. The invention also...
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7572424 |
Self-assembly of nanoporous silica fibers of uniform shape
This disclosure describes a self-assembly templating of a cationic surfactant in the presence of a silica precursor that is free of an excessive variability of the assembled shapes and has a yield...
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7566433 |
Precipitated silicas with a particular pore size distribution
Precipitated silicas which have a broad pore size distribution of the pores with a pore diameter smaller than that of the maximum of the derivative of the pore volume distribution function are...
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7563317 |
Silicas
Silanised, structurally modified silicas, characterised by groups fixed on the surface, the groups being alkylsilyl (SiC n H 2n+1 , with n=2-18). They are produced in that pyrogenically produced...
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7560414 |
Adsorbents, process for the production thereof and use thereof
An adsorbent for organic compounds including filler granules, which contain 20 to 99.9 wt. % of fillers and a binder. The adsorbent is produced by mixing at least one binder with at least one...
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7553474 |
Method for producing metal oxide sol
It is an object to provide a method for producing stable alkaline metal oxide sols having a uniform particle size distribution. The method comprises the steps of: heating a metal compound at a...
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7553466 |
Method for producing highly pure, granular silicon in a fluidised bed
The present invention relates to a method for producing highly pure, granular silicon with a narrow particle-size distribution by decomposing silanes or halosilanes in a fluidised bed and...
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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...
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7537653 |
Microsilica materials with improved pozzolanic activity
A new pozzolanic material basically conformed of microsilica with a minimum of silica of 85% in its composition is described, where the silica of the material is conformed mainly of cristobalite...
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7536875 |
Method for suppressing metal contamination in high temperature treatment of materials
Disclosed is a method for treating glass and crystalline inorganic materials whereby metal contamination during such process is inhibited. Such process includes treating the material in the...
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7534411 |
Process for the preparation of pure silica
A production process for producing high-purity silica from a crude silica source by means of fluosilic acid, including the steps of: (a) subjecting the crude silica souce and the fluosilicic acid...
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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...
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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...
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7524478 |
Low water uptake silicas
The invention concerns a method for preparing low water uptake precipitated silicas, comprising successive steps which consist in: (a) producing an initial starter including a silicate, the...
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7517969 |
Process for isolating nucleic acid with chaotrope agents and ammonium compounds
A process for isolating nucleic acid from a nucleic acid-containing sample, which comprises: (a) providing a chaotrope; (b) providing a nucleic acid binding solid phase capable of binding nucleic...
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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...
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7504084 |
High velocity, low pressure process for making silica gels and microgels
This invention relates to a process for converting silica to polysilicate gels or hydrogels by combining an aqueous silica source with a CO 2 feed stream as the gel initiator, whereby the reaction...
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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...
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7491376 |
Chemical derivatization of silica coated fullerenes and use of derivatized silica coated fullerenes
This invention is directed to a new composition of matter in the form of chemically derivatized silica coated fullerenes, including silica coated C 60 molecules and silica coated carbon nanotubes,...
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7488533 |
Highly oil absorbing amorphous silica particles
The present invention relates to amorphous silica particles having high oil absorbance capabilities, a process for their preparation and use thereof. The amorphous silica particles of the...
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7485282 |
Method for the preparation of metal oxides in nanometric particle form
A process is described for the synthesis of metal oxides in a nanometric particle form that cannot be easily obtained by conventional bulk synthesis techniques. The method makes use of Colloid...
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7479264 |
Synthetic platy magadiite and octasilicate
A method for producing synthetic magadiite, including the step of: heating a liquid aqueous colloidal silica suspension, the liquid aqueous colloidal silica suspension having a mole ratio of sodium...
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7452518 |
Process for treating synthetic silica powder and synthetic silica powder treated thereof
A process for producing a synthetic quartz glass powder which is substantially free of carbon contaminant, for reduced bubble density and improved stability of articles made from the synthetic...
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7442357 |
Manufacture of silica aerogel via vapor phase reaction
A kinetically controlled vapor reaction process for synthesizing silica areogel in a reaction container by injection of a precursor reagent vapor, a catalyst reagent vapor, super saturated steam as...
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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...
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7431912 |
Producing method for zirconia hollow particles
A producing method for producing zirconia hollow particles in which a zirconia powder mutually combines to form a porous shell layer thereby constructing a hollow structure, the method being...
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7431899 |
Apparatus for the continuous production of silicon oxide powder
A silicon oxide powder can be continuously prepared by feeding a raw material powder mixture containing silicon dioxide powder into a reaction chamber ( 2 ) at a temperature of 1,100-1,600° C., to...
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7427387 |
High-purity quartz powder, process for producing the same, and glass molding
Subjects for the invention are to obtain a quartz powder having a high purity and high quality and a process for producing the same and to obtain a glass molding formed by melting and molding the...
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7413792 |
Structure with oriented tubular pores
A mesostructured material, which has plural tubular pores and is arranged on a polymer surface, characterized in that the pores are uniaxially oriented. The mesostructured material can be developed...
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7402297 |
High-silica molecular sieve CHA
A method is disclosed for synthesizing high-silica molecular sieves having the CHA crystal structure using a structure directing agent comprising a cation derived from 1-adamantamine,...
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7402293 |
Surface-modified, aerogel-type structured silica
A surface-modified, aerogel-type, structured silica is produced by spraying an aerogel-type, structured silica with a silanizing agent, post-mixing and conditioning. It can be used as a flatting...
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7378076 |
Process for production of macrostructures of a microporous material
The invention involves a process for production of macrostructures of a microporous material. The process is characterized by the fact that seeds formed in or introduced by ion exchange or...
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7378072 |
Method for the preparation of aerogels
A method for the preparation of aerogels that involves the exchange of the liquid present in the aquagel with xenon and the subsequent extraction thereof.
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7371360 |
Phyllosilicate-intercalation compounds
A method for producing phyllosilicate-intercalation compounds with an increased expansion volume and/or a modified onset temperature includes intercalating intercalated compounds in native,...
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RE40299 |
Mesoporous-silica films, fibers, and powders by evaporation
This invention pertains to surfactant-templated nanometer-scale porosity of a silica precursor solution and forming a mesoporous material by first forming the silica precursor solution into a...
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7357910 |
Method for producing metal oxide nanoparticles
Method for producing metal oxide nanoparticles. The method includes generating an aerosol of solid metallic microparticles, generating plasma with a plasma hot zone at a temperature sufficiently...
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7335342 |
Process for the preparation of sodium silicate from Kimberlite tailing
In the present invention a process for the preparation of sodium silicate from Kimberlite tailing generated as solid waste during diamond mining is disclosed. The process comprises, reacting...
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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...
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7306788 |
High-cleaning/moderate abrasive silica materials and dentifrice containing such materials
Unique abrasive and/or thickening materials that are in situ generated compositions of precipitated silicas and silica gels are provided. Such compositions exhibit different beneficial...
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7303742 |
Viscosity-modifying silica materials that exhibit low cleaning and abrasive levels and dentifrices thereof
Unique abrasive and/or thickening materials that are in situ generated compositions of precipitated silicas and silica gels are provided. Such compositions exhibit different beneficial...
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