Patent application number | Description | Published |
20090023583 | PHOTOCATALYST MATERIAL, PHOTOCATALYST COMPOSITION USING THE SAME AND PHOTOCATALYST PRODUCT - An object of the invention is to provide a photocatalyst material having a higher catalyst effect than conventional photocatalyst materials. The photocatalyst material of the invention contains, as its major component, a tungsten oxide powder excited by a light source which emits light having a wavelength of 430 to 500 nm, the photocatalyst material having a decomposition ability of 50% or more wherein the decomposition ability is given by the following equation based on the following test: | 01-22-2009 |
20100292075 | VISIBLE LIGHT RESPONSE-TYPE PHOTOCATALYST POWDER, VISIBLE LIGHT RESPONSE-TYPE PHOTOCATALYST MATERIAL USING THE VISIBLE LIGHT RESPONSE-TYPE PHOTOCATALYST POWDER, PHOTOCATALYST COATING MATERIAL, AND PHOTOCATALYST PRODUCT - In one embodiment, a visible light responsive photocatalyst powder has organic gas decomposition performance that responds nonlinearly to an amount of irradiated light under visible light in an illuminance range of not less than 200 lx nor more than 2500 lx. The visible light responsive photocatalyst powder has a gas decomposition rate of 20% or more, for example, when visible light having only a wavelength of not less than 380 nm and an illuminance of 2500 lx is irradiated, the gas decomposition rate (%) being set as a value calculated based on [formula: (A−B)/A×100], where A represents a gas concentration before light irradiation and B represents a gas concentration when not less than 15 minutes have elapsed from the light irradiation and, at the same time, the gas concentration is stable, the gas concentrations being measured while allowing an acetaldehyde gas having an initial concentration of 10 ppm to flow into a flow-type apparatus in which 0.2 g of a sample is placed. | 11-18-2010 |
20110052662 | ANTIBACTERIAL MATERIAL AND ANTIBACTERIAL FILM AND ANTIBACTERIAL MEMBER USING THE SAME - In one embodiment, an antibacterial material includes at least one microparticles selected from tungsten oxide microparticles and tungsten oxide complex microparticles. The microparticles, which are undergone a test to evaluate viable cell count by inoculating in a test piece, to which the microparticles are adhered in a range of 0.02 mg/cm | 03-03-2011 |
20110212298 | HYDROPHILIC MEMBER AND HYDROPHILIC PRODUCT USING THE SAME - In one embodiment, a hydrophilic member includes a substrate having a surface and particles existing at least on the surface of the substrate. The particles are constituted of at least one selected from tungsten oxide particles and tungsten oxide composite particles. The substrate surface on which the particles exist has an arithmetic mean roughness Ra in the range of 1 nm to 1000 nm with a reference length of 100 μm, and exhibits hydrophilicity independently of light. | 09-01-2011 |
20110212832 | AQUEOUS DISPERSION LIQUID AND COATING MATERIAL, FILM, AND PRODUCT USING THE SAME - In one embodiment, an aqueous dispersion liquid contains at least one particles selected from tungsten oxide particles and tungsten oxide composite particles. A mean primary particle diameter (D50) of the particles is in the range of 1 nm to 400 nm. In the aqueous dispersion liquid, concentration of the particles is in the range of 0.1 mass % to 40 mass %, and pH is in the range of 1.5 to 6.5. The aqueous dispersion liquid excels in dispersibility of particles and capable of maintaining good liquidity for a long period. | 09-01-2011 |
20120201861 | ANTIVIRAL MATERIAL , ANTIVIRAL FILM, ANTIVIRAL FIBER, AND ANTIVIRAL PRODUCT - In one embodiment, an antiviral material includes at least one microparticles selected from tungsten oxide microparticles and tungsten oxide composite microparticles. The microparticles have an inactivation effect R of 1 or more expressed by [R=logC−logA], when there is evaluated a virus titer by inoculating on a specimen to which the microparticles are adhered, at least one virus selected from a low pathogenic avian influenza virus (H9N2), a high pathogenic avian influenza virus (H5N1) and a swine influenza virus, and irradiating the specimen with visible light having a wavelength of 380 nm or more and illuminance of 6000 1× for 24 hours. | 08-09-2012 |
20120316056 | AQUEOUS DISPERSION LIQUID AND COATING MATERIAL, FILM, AND PRODUCT USING THE SAME - In one embodiment, an aqueous dispersion liquid contains at least one particles selected from tungsten oxide particles and tungsten oxide composite particles. A mean primary particle diameter (D50) of the particles is in the range of 1 nm to 400 nm. In the aqueous dispersion liquid, concentration of the particles is in the range of 0.1 mass % to 40 mass %, and pH is in the range of 1.5 to 6.5. The aqueous dispersion liquid excels in dispersibility of particles and capable of maintaining good liquidity for a long period. | 12-13-2012 |
20140158627 | CATION ADSORBENT AND TREATMENT METHOD FOR SOLUTION USING THE SAME - A cation adsorbent of an embodiment includes tungsten oxide particles having a BET specific surface area in a range of 0.82 m | 06-12-2014 |
20140187412 | AQUEOUS DISPERSION LIQUID AND COATING MATERIAL, FILM, AND PRODUCT USING THE SAME - In one embodiment, an aqueous dispersion liquid contains at least one particles selected from tungsten oxide particles and tungsten oxide composite particles. A mean primary particle diameter (D50) of the particles is in the range of 1 nm to 400 nm. In the aqueous dispersion liquid, concentration of the particles is in the range of 0.1 mass % to 40 mass %, and pH is in the range of 1.5 to 6.5. The aqueous dispersion liquid excels in dispersibility of particles and capable of maintaining good liquidity for a long period. | 07-03-2014 |
20140187414 | AQUEOUS DISPERSION AND COATING MATERIAL USING THE SAME, AND PHOTOCATALYTIC FILM AND PRODUCT - An aqueous dispersion of an embodiment includes visible-light responsive photocatalytic composite microparticles containing tungsten oxide and zirconium oxide, and an aqueous dispersion medium in which the photocatalytic composite microparticles are dispersed. In the photocatalytic composite microparticles, a ratio of a mass of the zirconium oxide to a mass of the tungsten oxide is in a range of from 0.05% to 200%, and a D50 particle size in particle size distribution is in a range of from 20 nm to 10 μm. The aqueous dispersion has pH in a range of from 1 to 9. | 07-03-2014 |
20140234385 | ANTIVIRAL MATERIAL, ANTIVIRAL FILM, ANTIVIRAL FIBER, AND ANTIVIRAL PRODUCT - In one embodiment, an antiviral material includes at least one microparticles selected from tungsten oxide microparticles and tungsten oxide composite microparticles. The microparticles have an inactivation effect R of 1 or more expressed by [R=log C−log A], when there is evaluated a virus titer by inoculating on a specimen to which the microparticles are adhered, at least one virus selected from a low pathogenic avian influenza virus (H9N2), a high pathogenic avian influenza virus (H5N1) and a swine influenza virus, and irradiating the specimen with visible light having a wavelength of 380 nm or more and illuminance of 6000 lx. for 24 hours. | 08-21-2014 |
20140329029 | HYDROPHILIC MEMBER AND HYDROPHILIC PRODUCT USING THE SAME - In one embodiment, a hydrophilic member includes a substrate having a surface and particles existing at least on the surface of the substrate. The particles are constituted of at least one selected from tungsten oxide particles and tungsten oxide composite particles. The substrate surface on which the particles exist has an arithmetic mean roughness Ra in the range of 1 nm to 1000 nm with a reference length of 100 μm, and exhibits hydrophilicity independently of light. | 11-06-2014 |