Class / Patent application number | Description | Number of patent applications / Date published |
428405000 | Silane, siloxane or silicone coating | 22 |
20080248307 | STABLY PASSIVATED GROUP IV SEMICONDUCTOR NANOPARTICLES AND METHODS AND COMPOSITIONS THEREOF - Group IV semiconductor nanoparticles that have been stably passivated with an organic passivation, layer, methods for producing the same, and compositions utilizing stably passivated. Group IV semiconductor nanoparticles are described. In some embodiments, the stably passivated Group IV semiconductor nanoparticles are luminescent Group IV semiconductor nanoparticles with high photoluminescent quantum yields. The stably passivated Group IV semiconductor nanoparticles can be used in compositions useful in a variety of optoelectronic devices. | 10-09-2008 |
20080280142 | Preparation of organic additive-treated, pyrogenic silica-encapsulated titanium dioxide particles - One aspect of the invention is to provide a composition comprising a titanium dioxide particle having on the surface of said particle a substantially encapsulating layer comprising a pyrogenically-deposited metal oxide; said substantially encapsulating layer having on its surface at least one organic surface treatment material selected from an organo-silane, an organo-siloxane, a fluoro-silane, an organo-phosphonate, an organo-acid phosphate, an organo-pyrophosphate, an organo-polyphosphate, an organo-metaphosphate, an organo-phosphinate, an organo-sulfonic compound, a hydrocarbon-based carboxylic acid, an associated ester of a hydrocarbon-based carboxylic acid, a derivative of a hydrocarbon-based carboxylic acid, a hydrocarbon-based amide, a low molecular weight hydrocarbon wax, a low molecular weight polyolefin, a co-polymer of a low molecular weight polyolefin, a hydrocarbon-based polyol, a derivative of a hydrocarbon-based polyol, an alkanolamine, a derivative of an alkanolamine, an organic dispersing agent, or a mixture thereof. Another aspect of the invention is to provide processes for producing said composition. | 11-13-2008 |
20080305338 | Method of Producing Rutile Titanium Dioxide Fine Particles - It is an object of the present invention to provide a method of producing a rutile titanium dioxide fine particle having a high ultraviolet protection property and high transparency for visible light. The present invention provides a method of producing a rutile titanium dioxide fine particle, comprising the steps of (1) treating titanium dioxide hydrate with at least one of a basic compound selected from the group consisting of hydroxides of alkali metal and hydroxides of alkaline-earth metal, and (2) treating the compound obtained by the step (1) with a carboxylic acid group-containing compound and an inorganic acid. | 12-11-2008 |
20090029171 | New Functional Additive in Polymers - New functional additive in polymers comprised of micronized diatomite filler product, methods of producing the new functional additive in polymers, and methods of use thereof are provided. The new functional additive in polymers has, for example, a small median particle size (for example, less than 10 microns) and a small top particle size (for example, less than 20 microns), and a high blue light brightness (for example, higher than 84). The new functional additive in polymers may be used in a variety of applications such as reinforcement filler in polymers and anti-block filler in plastic films. | 01-29-2009 |
20090047518 | POWDERY SILICA COMPOSITE PARTICLES, PROCESS OF PRODUCING SAME, SILICA COMPOSITE PARTICLE DISPERSION, AND RESIN COMPOSITION - An object of the invention is to provide a substance enabling uniformly dispersing an ionic liquid or a phosphonium salt in various solvents, resin materials, and the like. | 02-19-2009 |
20090155591 | MICROPARTICLE HAVING NEEDLE-LIKE STRUCTURES ON SURFACE AND METHOD FOR PRODUCTION THEREOF - The present invention provides an organic-inorganic composite microparticle containing a metal complex, which has multiple needle-like structures on the surface and includes the metal complex therein; and a method for producing the microparticle in a simple manner. By using a metal complex made from a polymer having a linear polyethyleneimine chain and a metal ion, a composite microparticle which has the metal complex in silica and has a micro-needle-like structures on the surface can be derived, thus a microparticle having needle-like structures on the surface is obtained, wherein there are nano-sized multiple needle-like structures on the surface of the microparticle. The needle-like structures on the surface and the spatial structure of the resulting microparticle can be controlled by varying the species of the metal ion and the types of the substrate medium for the metal complex. | 06-18-2009 |
20090280327 | COATED COMPOSITES OF MAGNETIC MATERIAL AND QUANTUM DOTS - Composites and methods associated with the same are provided. The composite structures are formed of quantum dots and magnetic nanoparticles. The structures may be coated, for example, with a non-organic shell such as silica. In some cases, the shell may be functionalized or derivatized to include compounds, atoms, or materials that can alter or improve properties such as water solubility, water stability, photo-stability and biocompatibility. A reverse microemulsion process can be used to form the coated composites. The composition and other characteristics of the composites may be controlled to provide desired magnetic and optical properties. The structures may be used in a variety of applications including biological labeling, magnetic resonance imagine (MRI) and drug targeting, amongst others. | 11-12-2009 |
20090311533 | POROUS SILICA MICROSPHERES HAVING ORGANOSILANE MODIFIED SURFACES - A method for preparing functionalized porous particles is disclosed, the method comprising contacting a plurality of porous silica particles with water, at least one of an ionic fluoride such as HF or NH | 12-17-2009 |
20100178512 | CHANGING SURFACE PROPERTIES BY FUNCTIONALIZED NANOPARTICLES - A process for modifying the surface of an inorganic or organic substrate with strongly adherent nanoparticles is described, providing to the surface modified substrate durable effects like hydrophobicity, hydrophilicity, electrical conductivity, magnetic properties, flame retardance, color, adhesion, roughness, scratch resistance, UV-absorbance, antimicrobial properties, antifouling properties, antiprotein properties, antistatic properties, antifog properties, release properties. In this process, an optional first step a) a low-temperature plasma, ozonization, high energy irradiation, corona discharge or a flame is caused to act on the inorganic or organic substrate, and in a second step b) one or more defined nanoparticles or mixtures of defined nanoparticles with monomers, containing at least one ethylenically unsaturated group, or solutions, suspensions or emulsions of the afore-mentioned substances, are applied, preferably at normal pressure, to the inorganic or organic substrate. In a third step c) suitable methods are applied to dry or cure those afore-mentioned substances and, optionally, in a fourth step d) a further coating is applied on the substrate so pretreated. | 07-15-2010 |
20100233482 | Organic silicon oxide fine particles and preparation method thereof, porous film-forming composition, porous film and formation method thereof, and semiconductor device - Provided are organic silicon oxide fine particles which can be formed into a porous film having a dielectric constant and mechanical strength expected as a high-performance porous insulating film and having excellent chemical stability, and a preparation method thereof. Described specifically, provided are an organic silicon oxide fine particle comprising a core containing at least an inorganic silicon oxide or an organic silicon oxide and a shell containing at least an organic silicon oxide and being formed around the core by using shell-forming hydrolyzable silane in the presence of a basic catalyst; wherein of silicon atoms constituting the core or the shell, a ratio (T/Q) of a number (T) of silicon atoms having at least one bond directly attached to a carbon atom to a number (Q) of silicon atoms having all of four bonds attached to an oxygen atom is greater in the shell than in the core; and wherein the shell-forming hydrolyzable silane comprise at least a hydrolyzable silane compound having two or more hydrolyzable-group-having silicon atoms bound to each other via a carbon chain or via a carbon chain containing one silicon atom between some carbon atoms. | 09-16-2010 |
20100310872 | NANOFUNCTIONAL SILICA PARTICLES AND MANUFACTURING METHOD THEREOF - Provided are nanofunctional silica particles having excellent functionality and quality, and capable of being mass-produced at low costs. According to the present invention, there are provided nanofunctional silica particles including a coating layer containing one or more silica compounds selected from the group consisting of mercaptopropyl trimethoxysilane (MPS), mercaptopropyl triethoxysilane (MPES), mercaptopropyl methyldimethoxysilane (MPDMS), trimethoxy[2-(7-oxabicyclo[4.1.0]-hept-3-yl)ethyl]silane (EpoPS), thiocyanatopropyl triethoxysilane (TCPS), acryloxypropyl trimethoxysilane (ACPS), and aminopropyl trimethoxysilane (APS); and functional particles in the coating layer, and being used in imaging, assay, diagnosis, treatment or the like, medicine or bioresearch. | 12-09-2010 |
20110008622 | COATING COMPOSITIONS FOR ROOFING GRANULES, DARK COLORED ROOFING GRANULES WITH INCREASED SOLAR HEAT REFLECTANCE, SOLAR HEAT-REFLECTIVE SHINGLES, AND PROCESS FOR PRODUCING THE SAME - Dark colored roofing granules include an inert base particle coated with a composition including a metal silicate, a non-clay latent heat reactant, and a dark colored but solar reflective prigment. | 01-13-2011 |
20110123806 | DISPERSION OF HYDROPHOBICIZED SILICON DIOXIDE PARTICLES AND GRANULES THEREOF - Process for preparing a dispersion of surface-modified silicon dioxide particles having an average particle diameter of not more than 100 nm by high-pressure milling of a preliminary dispersion comprising a) 10% to 50% by weight of surface-modified silicon dioxide particles, b) at least one glycol monoether of the general formula (A): H | 05-26-2011 |
20110171471 | Metallized Particles Formed From A Dispersion - A particle is formed from a dispersion and includes a compound and a metal disposed on the particle. The compound has the chemical formula R—Si—H. In this formula, R is an organic or inorganic moiety. The particle is also included in a corresponding dispersion. The particle is formed from a method that includes the step of forming the dispersion. The method also includes the step of disposing the metal on the particle. | 07-14-2011 |
20120196130 | SPHERICAL FERRITE NANOPARTICLES AND METHOD FOR PRODUCING THE SAME - Spherical ferrite nanoparticles produced by a method that includes the steps of: preparing a first aqueous solution containing a disaccharide, an alkaline, an oxidation agent, seed particles and divalent iron ions; and conducting particle growth in the first aqueous solution to produce the spherical ferrite nanoparticles. | 08-02-2012 |
20130071665 | RESIN PARTICLE AND METHOD FOR PRODUCING SAME - Disclosed is a resin particle having excellent low-temperature fusibility, having a sufficiently narrow size distribution, and that is obtained using a liquid or supercritical fluid. In the resin particle (C), which comprises a microparticle (A) containing a resin (a) being coated to or adhered to the surface of a resin particle (B) that contains another resin (b), the degree of swelling of the microparticle (A) resulting from liquid or supercritical carbon dioxide (X) at a temperature less than the glass transition temperature or the melting point of the microparticle (A) is no greater than 16%, and with the resin (a) as a constituent unit, the resin particle (C) contains 0.1-50 wt % of a non-crystalline non-halogen vinyl monomer (m1) of which the solubility parameter (SP value: (cal/cm | 03-21-2013 |
20130095324 | SILICONE FINE PARTICLES AND PRODUCTION METHOD THEREOF - A method for producing silicone fine particles is provided. The particle comprises a spherical fine silicone elastomer particle and polyorganosilsesquioxane particles attached to the surface of the spherical fine silicone elastomer particle. The polyorganosilsesquioxane particle has a particle size of 200 to 2,000 nm which is smaller than the spherical fine silicone elastomer particle. The method comprises the steps of adding an organotrialkoxysilane to water for hydrolysis, and adding spherical fine silicone elastomer particles having a volume average particle size of 0.5 to 100 μm, an anionic surfactant, and an alkaline substance to the organotrialkoxysilane hydrolysate and allowing the mixture to stand to thereby promote condensation of the organotrialkoxysilane hydrolysate so that the polyorganosilsesquioxane is deposited on the surface of the spherical fine silicone elastomer particles. | 04-18-2013 |
20130143044 | GRANULAR PUMICE AND METHOD FOR PRODUCING GRANULAR PUMICE - The invention relates to granular pumice, wherein the surface is covered with a hydrophobic coating. | 06-06-2013 |
20140302325 | SURFACE-COVERED INORGANIC POWDER - The present invention provides a surface-covered inorganic powder having novel physical properties. The surface-covered inorganic powder is an inorganic powder covered with a monolayer formed by at least one structural unit represented by formula (I): | 10-09-2014 |
20140308522 | NANO-GRAPHITE PLATE STRUCTURE - The present invention relates to a nano-graphite plate structure with N graphene layers stacked together, where N is 30 to 300. The nanometer nano-graphite structure has a tap density of 0.1 g/cm | 10-16-2014 |
20140370294 | GRANULAR PUMICE AND METHOD FOR PRODUCING GRANULAR PUMICE - The invention relates to granular pumice, wherein the surface is covered with a hydrophobic coating. | 12-18-2014 |
20150050500 | POST-FUNCTIONALIZED ROOFING GRANULES AND PROCESS FOR PREPARING SAME - Roofing granules having a color coating layer are covered with a clear, transparent or translucent outer coating composition including a functional material, such nanoparticles of anatase titanium dioxide. | 02-19-2015 |