| JGC Catalysts and Chemicals LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120132108 | Dispersion Liquid of Core-Shell Type Composite Oxide Fine Particles, Process for Producing the Dispersion Liquid, and Coating Composition Containing the Fine Particles - Core-shell type composite oxide fine particles are described in which the core particles are oxide fine particles or composite oxide fine particles that do not contain silicon and/or aluminum as main components, and the surface of the core particles is covered with a shell including a composite oxide that contains silicon and aluminum as main components, the shell containing silicon and aluminum in a weight ratio in terms of oxides, SiO | 05-31-2012 |
| 20120128748 | Organic-Inorganic Composite Particles, Process for Producing the Same, Dispersion Containing the Particles, and Cosmetic Containing the Particles - Organic-inorganic composite particles includes inorganic oxide particles each of which has a cationic charge on the particle surface and polymer gel molecules which are derived from a natural substance, have an anionic functional group and one or more hydroxyl groups in a molecule and have both a shrinking and a swelling property, the polymer gel molecules are electrostatically bonded to surfaces of the inorganic oxide particles; a process for producing the particles; a dispersion containing the particles; and a cosmetic containing the particles. These organic-inorganic composite particles have good dispersibility not only in aqueous solvents such as water but also in non-aqueous solvents and further have characteristics that aggregation of the particles scarcely occurs. | 05-24-2012 |
| 20120103231 | Process for Producing Silica-Based Fine Particle Dispersion Sols, Silica-Based Fine Particle Dispersion Sol, Coating Composition Containing the Dispersion Sol, Curable Coating Film, and Substrate Having the Curable Coating Film - Provided are silica-based fine particle dispersion sols, processes for producing the sols, coating compositions containing the dispersion sol, curable coating films obtained from the coating composition, and substrates having the coating film. A process includes (1) mixing an aqueous aluminate solution to an alkaline silica sol which contains water-dispersible silica fine particles in a given ratio; (2) heating the mixture liquid obtained in the step (1) to 60 to 200° C. and stirring the mixture liquid at the temperature for 0.5 to 20 hours; and (3) contacting the mixture liquid obtained in the step (2) with a cation exchange resin to remove by ion exchange alkali metal ions contained in the mixture liquid and thereby controlling the pH of the mixture liquid to be in the range of 3.0 to 6.0. | 05-03-2012 |
| 20120065312 | Dispersion Liquid of Fine Particles of Core-Shell Type Inorganic Oxide, Method for Producing the Dispersion Liquid, and Coating Composition Containing the Dispersion Liquid - A dispersion liquid contains fine particles of core-shell type inorganic oxide that have high dispersion stability and transparency and allow for excellent light resistance and weather resistance by being mixed in a coating film. The fine particles are produced by treating the surfaces of (a) fine particles of titanium-containing metal oxide serving as core particles with a hydrate and/or an oxide of a metal element such as zirconium to provide surface-treated particles or fine particles of titanium-containing metal oxide having (b) an intermediate layer and by covering the surfaces of the surface-treated particles to form (c) a shell layer with a composite oxide of silicon and at least one metal element selected from aluminum, zirconium, and antimony. | 03-15-2012 |
| 20110314745 | Nodular silica sol and method of producing the same - A nodular silica sol has a ratio of an average particle diameter (r) measured by the dynamic light scattering method versus a particle diameter (r′) converted to that of an equivalent sphere computed from an average specific surface area measured by means of the nitrogen absorption method (r/r′, referred to as “association ratio”) in a range from 1.2 to 10, the particle diameter (r′) in a range from 5 to 200 nm, and the specific surface area in a range from 13 to 550 m | 12-29-2011 |
| 20110257298 | COATING COMPOSITION CONTAINING HIGH-REFRACTIVE-INDEX METAL OXIDE FINE PARTICLES, AND CURABLE COATING FILM OBTAINED BY APPLYING THE COATING COMPOSITION ONTO BASE - The present invention relates to a coating composition containing metal oxide particles with a high refractive index and low photocatalytic activity and a coating film obtained by applying the coating composition onto a substrate. The coating composition contains metal oxide particles with a high refractive index obtained by coating the specific fine particles of the titanium-based oxide on their surfaces with at least a silica-based oxide or a silica-based composite oxide, and the coating film is obtained by applying the coating composition onto a substrate. The metal oxide particles with not only a high refractive index but also low photocatalytic activity, and therefore a coating film with excellent weathering resistance and light resistance can be formed on a substrate. | 10-20-2011 |
| 20110209413 | Non-Spherical Silica Sol, Process for Producing the Same, and Composition for Polishing - Provided is a non-spherical silica sol containing non-spherical silica fine particles dispersed in a dispersion medium, the non-spherical silica fine particles having an average particle diameter in a range of 3 to 150 nm as measured by dynamic light scattering, a minor-diameter/major-diameter ratio in a range of 0.01 to 0.8, and a specific surface area in a range of 10 to 800 m | 09-01-2011 |
| 20110207598 | Metal-supported crystalline silica aluminophosphate catalyst and process for producing the same - Disclosed is a metal-supported catalyst produced by (a) preparing a dispersion of crystalline silicoaluminophosphate particles; (b) mixing an aqueous active ingredient metal compound solution into the dispersion; (c) spray-drying the mixture; (d) washing the spray-dried product and (e) heat-treating (calcining) the washed product at 400 to 900° C. | 08-25-2011 |
| 20110065828 | DENTAL COMPOSITION AND COMPOSITE RESIN - A dental composition of the present invention includes: a polymerizable monomer (A); an amorphous filler (B) having an average particle size of 1 to 20 μm and including silica-based fine particles and coatings of an oxide that cover the surfaces of the silica-based fine particles; and inorganic particles (C) having an average particle size of 0.1 to 1.0 μm. The oxide contains a zirconium atom, a silicon atom, and an oxygen atom. It is preferable that the dental composition contain 50 to 400 parts by weight of the filler (B) and 100 to 400 parts by weight of the inorganic particles (C) per 100 parts by weight of the polymerizable monomer (A). | 03-17-2011 |
| 20110046261 | DENTAL COMPOSITION AND COMPOSITE RESIN - A dental composition of the present invention includes: a polymerizable monomer component (A); and an amorphous filler (B) having an average particle size of 1 to 20 μm and including silica-based fine particles and coatings of an oxide that cover the surfaces of the silica-based fine particles. The oxide contains a zirconium atom, a silicon atom, and an oxygen atom. The dental composition contains 20 to 500 parts by weight of the filler (B) per 100 parts by weight of the polymerizable monomer component (A). The dental composition has a viscosity of 10 to 800 Pa·s. It is preferable that the filler (B) contain spherical particles, and that the percentage of the spherical particles in the filler (B) be at least 60%. | 02-24-2011 |
| 20110046260 | DENTAL COMPOSITION AND COMPOSITE RESIN - The present invention provides a dental composition exhibiting both an excellent light diffusion property and excellent transparency, and having high mechanical strength and surface smoothness and gloss after polishing as a cured product and good handling properties as a paste. The present invention is a dental composition including: a polymerizable monomer (A); and an amorphous powder (B). The amorphous powder (B) has an average particle size of 1 to 20 μm, and includes silica-based fine particles and coatings of an oxide that cover the surfaces of the silica-based fine particles. The oxide contains a zirconium atom, a silicon atom, and an oxygen atom. The difference in refractive index between the cured product of the polymerizable monomer (A) and the amorphous powder (B) is 0.005 to 0.03. | 02-24-2011 |
| 20100247914 | Porous Silica-Based Particles Having Smooth Surface, Method for Production Thereof and Cosmetic Comprising Such Particles - Disclosed are porous silica-based particles having high surface smoothness, a method for producing the porous silica-based particles, and a cosmetic comprising the porous silica-based particles. The porous silica-based particles have an average particle diameter of 0.5 to 30 μm and have a surface smoothness of a level to such an extent that, when the entire surface of the particle is observed from a photograph thereof taken by a scanning electron microscope (SEM) with a magnifying power of 10,000, a foreign matter attached to the surface thereof can be hardly seen. | 09-30-2010 |
| 20100003181 | Method For Forming Amorphous Silica-Based Coating Film With Low Dielectric Constant And Thus Obtained Amorphous Silica-Based Coating Film - A method of forming on a substrate an amorphous silica-based coating film having a low dielectric constant of 3.0 or below and a film strength (Young's modulus) of 3.0 GPa or more, which comprises, as a typical one, the steps of; (a) coating on the substrate a liquid composition containing hydrolysate of an organic silicon compound or compounds hydrolyzed in the presence of tetraalkylammonium hydroxide (TAAOH); (b) setting the substrate in a chamber and then drying a coating film formed on the substrate at a temperature in the range from 25 to 340° C.; (c) heating the coating film at a temperature in the range from 105 to 450° C. with introduction of a superheated steam having such a temperature into the chamber, and (d) curing the coating film at a temperature in the range from 350 to 450° C. with introduction of a nitrogen gas into the chamber. | 01-07-2010 |
| 20090214397 | Exhaust Gas Treatment Apparatus - An exhaust gas treatment apparatus includes a device (A) which is provided in an exhaust system and which selectively reduces NO | 08-27-2009 |
| 20090202834 | Inorganic Compound Particle - Inorganic compound particles constituted of a shell, a porous matter or a cavity enclosed therein, and the porous matter or the cavity being kept unchanged in a subsequently formed transparent coating film. | 08-13-2009 |
| 20090061183 | Substrate with Hard Coat Film and Coating Solution for Forming Hard Coat Film - The present invention provides modified zirconia fine particles which are stable in an acidic region as well as in an alkaline region, and which may be readily adjusted in refractive index in a predetermined range. The present invention further provides a substrate with a hard coat film excellent in adhesiveness with the substrate, abrasion resistance, scratch strength, pencil hardness and the like without interference fringes and a coating solution which may form the hard coat film. | 03-05-2009 |
| 20090036299 | Catalytic composition for oxychlorination and method for preparing the same - The present invention provides a catalytic composition for oxychlorination excellent in the fluidity, the capability of suppressing lowering of the fluidity, and the attrition resistance as well as in the selectivity for EDC and the capability of suppressing combustion of ethylene. | 02-05-2009 |
