Patent application number | Description | Published |
20080241542 | TUNGSTEN OXIDE PHOTOCATALYST - To provide a tungsten oxide photocatalyst which shows a high photocatalytic activity by irradiating with visible light even under the environment where ultraviolet light is not irradiated, the tungsten oxide photocatalyst has tungsten oxide particles and Pt particles having a primary particle size of 3 to 20 nm supported on the surface of the tungsten oxide particles in an amount of 0.03 to 5 parts by weight based on 100 parts by weight of the tungsten oxide particles. | 10-02-2008 |
20100199887 | HYDROPHILIZING AGENT, METHOD OF PRODUCING A HYDROPHILIZING AGENT AND HYDROPHILIC PRODUCT - The hydrophilizing agent of the present invention includes titanium oxide particles, tungsten oxide particles, phosphoric acid (salt) and dispersion medium, and the molar ratio of the phosphoric acid (salt) to the titanium oxide is from 0.001 to 0.2. In a producing method of such a hydrophilizing agent, titanium oxide particles are dispersed in dispersion medium containing phosphoric acid (salt) dissolved, and the obtained titanium oxide particle dispersion is mixed with the tungsten oxide particles. | 08-12-2010 |
20100304954 | PHOTOCATALYST DISPERSION LIQUID AND PHOTOCATALYST FUNCTIONAL PRODUCT USING THE SAME - The present invention provides a photocatalyst dispersion liquid comprising at least a titanium oxide particle which is obtained by a sulfate process and in which the content of sulfuric acid in terms of elemental sulfur is 1000 ppm or less, a tungsten oxide particle, and a dispersion medium for dispersing these particles, wherein a content ratio of the titanium oxide particle to the tungsten oxide particle is 1:8 to 8:1 by mass ratio, and further provides a photocatalyst functional product comprising a photocatalyst layer formed using the photocatalyst dispersion liquid. | 12-02-2010 |
20110045964 | METHOD FOR PRODUCING NOBLE METAL-SUPPORTED PHOTOCATALYST PARTICLES - A method for producing a photocatalytic, which can produce a photocatalyst showing high photocatalytic activity, is provided. | 02-24-2011 |
20110082026 | PHOTOCATALYST COMPOSITE AND PHOTOCATALYTIC FUNCTIONAL PRODUCT USING THE SAME - The present invention provides a photocatalyst composite in which brittleness and ease of coming-off of a photocatalyst layer are reduced. | 04-07-2011 |
20120294923 | ANTIVIRAL AGENT AND ANTIVIRAL AGENT FUNCTIONAL PRODUCT USING THE SAME - An object of the present invention is to provide an antiviral agent which exhibits high antiviral activity even under irradiation with visible light and is capable of detoxifying a virus. The antiviral agent according to the present application is composed of a dispersion containing noble metals and photocatalyst particles as supported by the noble metals, the dispersion containing 0.01 part by mass to 1 part by mass of noble metal atoms based on 100 parts by mass of photocatalyst particles. | 11-22-2012 |
20120302429 | METHOD FOR PRODUCING DISPERSION OF NOBLE METAL-SUPPORTED PHOTOCATALYST PARTICLES, DISPERSION OF NOBLE METAL-SUPPORTED PHOTOCATALYST PARTICLES, HYDROPHILIZING AGENT AND PHOTOCATALYTIC FUNCTIONAL PRODUCT - Dispersion of noble metal-supported photocatalyst particles, which exhibits high photocatalytic activity, and also has stable dispersibility that enables prevention of precipitation of photocatalyst particles in a dispersion medium; a method for producing the same; a hydrophilizing agent; and a photocatalytic functional product. | 11-29-2012 |
20130123094 | METHOD FOR PRODUCING DISPERSION OF NOBLE METAL-SUPPORTED PHOTOCATALYST PARTICLES, DISPERSION OF NOBLE METAL-SUPPORTED PHOTOCATALYST PARTICLES, HYDROPHILIZING AGENT AND PHOTOCATALYTIC FUNCTIONAL PRODUCT - Dispersion of noble metal-supported photocatalyst particles, which exhibits high photocatalytic activity, and also has stable dispersibility that enables prevention of precipitation of photocatalyst particles in a dispersion medium; a method for producing the same; a hydrophilizing agent; and a photocatalytic functional product. | 05-16-2013 |
Patent application number | Description | Published |
20090093361 | PHOTOCATALYST DISPERSION LIQUID AND PROCESS FOR PRODUCING THE SAME - To provide a photocatalyst dispersion liquid obtained by dispersing titanium oxide photocatalyst particles and tungsten oxide photocatalyst particles in a dispersion medium, where the surfaces of both titanium oxide photocatalyst particles and tungsten oxide photocatalyst particles are charged positively or negatively. In the photocatalyst dispersion liquid, the titanium oxide photocatalyst particles and the tungsten oxide photocatalyst particles, which are dispersed in the dispersion medium, are not aggregated easily, and a solid-liquid separation is not generated. | 04-09-2009 |
20090229967 | PROCESS FOR DECOMPOSING VOLATILE AROMATIC COMPOUND - To provide a process for swiftly decomposing a volatile aromatic compound in a vapor phase. The process includes the step of bringing the volatile aromatic compound into contact with a photocatalyst layer under light irradiation. In the process, the photocatalyst layer is formed by coating a photocatalyst dispersion liquid on a substrate. The photocatalyst dispersion liquid is obtained by dispersing titanium oxide photocatalyst particles and tungsten oxide photocatalyst particles in a dispersion medium. The surfaces of the titanium oxide photocatalyst particles are charged in the same polarity as the surfaces of the tungsten oxide photocatalyst particles are. | 09-17-2009 |
20090305878 | ZIRCONIUM OXALATE SOL - A sol of the present invention is a sol comprising zirconium oxalate compound as a dispersoid, wherein a mol ratio of oxalic acid to Zr (oxalic acid/Zr) is from 1.2 to 3 and a particle diameter D50 of the dispersoid is from 10 to 100 nm. This sol is produced by adding oxalic acid to a dispersion liquid of zirconium hydroxide, and the addition of oxalic acid is carried out in twice. | 12-10-2009 |