Patent application number | Description | Published |
20090088320 | EXHAUST GAS PURIFYING CATALYST AND PRODUCTION METHOD THEREOF - An exhaust gas purifying catalyst including: a plurality of first compounds | 04-02-2009 |
20090111688 | Exhaust Gas Purifying Catalyst and Production Method Thereof - An object is to maintain an effect of enhancing activity of noble metal particles by transition metal without increasing production cost and an environmental load. | 04-30-2009 |
20100113262 | HIGH HEAT-RESISTANT CATALYST AND MANUFACTURING METHOD THEREOF - A high heat-resistant catalyst includes: noble metal particles; first compounds which contact the noble metal particles and suppress movement of the noble metal particles; and second compounds which envelop the noble metal particles and the first compounds, suppress the movement of the noble metal particles, and suppress coagulation of the first compounds following mutual contact of the first compounds. The first compounds support the noble metal particles, and single piece or aggregate of the first compounds supporting the noble metal particles are included in a section partitioned by the second compounds. A coefficient of linear thermal expansion of the second compounds is 1.2×10 | 05-06-2010 |
20110094211 | EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst includes a monolithic substrate ( | 04-28-2011 |
20110111952 | EXHAUST GAS PURIFYING CATALYST AND METHOD FOR PRODUCING THE SAME - An exhaust gas purifying catalyst ( | 05-12-2011 |
20110160049 | EXHAUST GAS PURIFYING CATALYST AND METHOD FOR MANUFACTURING THE SAME - An exhaust gas purifying catalyst includes: rhodium; a zirconium-containing oxide which supports rhodium, and comprises: at least one element selected from the group consisting of calcium, lanthanum, cerium, neodymium and yttrium; and zirconium; and a NOx absorbing material comprising at least one selected from the group consisting of magnesium, barium, sodium, potassium and cesium. A degree of dispersion of rhodium is 20% or more after baking at 900° C. in air for three hours. A method for manufacturing the exhaust gas purifying catalyst includes: mixing the zirconium-containing oxide with water, thereby preparing an aqueous liquid of the zirconium-containing oxide; and supporting rhodium on the zirconium-containing oxide by mixing the aqueous liquid of the zirconium-containing oxide with an aqueous solution of a rhodium salt. A pH of a mixed liquid of the aqueous solution of the rhodium salt and the aqueous liquid of the zirconium-containing oxide is adjusted to 7 or more. | 06-30-2011 |
Patent application number | Description | Published |
20080254978 | EXHAUST GAS PURIFYING CATALYST AND METHOD OF PRODUCING THE SAME - Disclosed is an exhaust gas purifying catalyst exhibiting excellent purification performance for a long period of time by suppressing coagulation of a noble metal. A catalyst powder comprises a noble metal and first and second compounds. In the catalyst powder, the first compound carries the noble metal and is separated from another first compound carrying a noble metal by the second compound. At least one catalyst layer comprising the catalyst powder is formed on an inner surface of a substrate. The catalyst layer has fine pores. A fine pore volume of fine pores having a fine pore diameter of greater than 0.1 μm to less than or equal to 1 μm is 10% to 60% of the fine pore volume of fine pores having a fine pore diameter of 0.1 μm or less. | 10-16-2008 |
20080318769 | Catalyst and Method for Manufacturing Catalyst for Use in Exhaust Emission Control - A catalyst ( | 12-25-2008 |
20090280978 | EXHAUST GAS PURIFYING CATALYST AND METHOD OF PRODUCING EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst | 11-12-2009 |
20110034331 | EXHAUST GAS PURIFYING CATALYST AND PRODUCTION METHOD THEREOF - An exhaust gas purifying catalyst including: a plurality of first compounds | 02-10-2011 |
20120322652 | EXHAUST GAS PURIFYING CATALYST AND METHOD FOR MANUFACTURING THE SAME - An exhaust gas purifying catalyst includes: rhodium; a zirconium-containing oxide which supports rhodium, and comprises: at least one element selected from the group consisting of calcium, lanthanum, cerium, neodymium and yttrium; and zirconium; and a NOx absorbing material comprising at least one selected from the group consisting of magnesium, barium, sodium, potassium and cesium. A degree of dispersion of rhodium is 20% or more after baking at 900° C. in air for three hours. A method for manufacturing the exhaust gas purifying catalyst includes: mixing the zirconium-containing oxide with water, thereby preparing an aqueous liquid of the zirconium-containing oxide; and supporting rhodium on the zirconium-containing oxide by mixing the aqueous liquid of the zirconium-containing oxide with an aqueous solution of a rhodium salt. A pH of a mixed liquid of the aqueous solution of the rhodium salt and the aqueous liquid of the zirconium-containing oxide is adjusted to 7 or more. | 12-20-2012 |
20130056092 | COATING APPARATUS - The present invention concerns a coating apparatus including a coating unit for applying a slurry-like kneaded electrode material prepared by kneading an electrode material and a solvent, a pump for feeding the kneaded electrode material under pressure to the coating unit, and a temperature raising unit for raising the temperature of the kneaded electrode material before coating to a predetermined temperature range where a storage modulus of the kneaded electrode material becomes substantially constant. This enables stable coating in an early stage after the start of coating. | 03-07-2013 |
20130157844 | EXHAUST GAS PURIFYING CATALYST AND PRODUCTION METHOD THEREOF - An object is to maintain an effect of enhancing activity of noble metal particles by transition metal without increasing production cost and an environmental load. | 06-20-2013 |
20140018235 | EXHAUST GAS PURIFYING CATALYST, EXHAUST GAS PURIFYING MONOLITH CATALYST, AND METHOD FOR MANUFACTURING EXHAUST GAS PURIFYING CATALYST - An exhaust gas purifying catalyst having a high purifying ability even if noble metal is not used as an essential component, an exhaust gas purifying monolith catalyst, and a method for manufacturing an exhaust gas purifying catalyst, are provided. The exhaust gas purifying catalyst includes an oxide having an oxygen storage and release capacity, and an oxide represented by the following formula (1) supported on the oxide having the oxygen storage and release capacity, | 01-16-2014 |