Patents Assigned to Ube Material Industries, Ltd.
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Patent number: 9773652Abstract: Disclosed is an MgO target for sputtering, which can accelerate a film formation rate even when MgO is used as a target for sputtering in the formation of an MgO film. The MgO target for sputtering, which includes MgO and an electroconductive material as main components, and in which the electroconductive material is capable of imparting orientation to a MgO film when the MgO film containing the electroconductive material is formed by a DC sputtering.Type: GrantFiled: June 29, 2012Date of Patent: September 26, 2017Assignees: UBE MATERIAL INDUSTRIES, LTD., NIPPON TUNGSTEN CO., LTD.Inventors: Satoru Sano, Yoshihiro Nishimura, Takayuki Watanabe, Yuuzou Katou, Akira Ueki, Shinzo Mitomi, Masanobu Takasu, Yusuke Hara, Takaaki Tanaka
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Patent number: 9701808Abstract: A resin composition having high compositional uniformity can be advantageously prepared in industry by depositing a mixture comprising polyolefin particles and fibrous basic magnesium sulfate aggregated particles which satisfies the condition that a value resulting from calculation of formula of DA2×?A/DB2×?B is in the range of 0.2 to 5 in a hopper of a melt kneader through a supply port of the hopper and introducing the deposited mixture into the melt kneader so as to melt and knead the mixture therein, in which DA is a mean particle size (unit: cm) of the polyolefin particles, ?A is a density (unit: g/cm3) of the polyolefin, DB is a mean particle size (unit: cm) of the fibrous basic magnesium sulfate aggregated particles, and ?B is an apparent density (unit: g/cm3) of the aggregated particles.Type: GrantFiled: March 18, 2014Date of Patent: July 11, 2017Assignee: UBE MATERIAL INDUSTRIES, LTD.Inventors: Ryouichi Nomura, Yojiro Ichimura
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Publication number: 20170096562Abstract: A fine magnesium oxide particle dispersion liquid containing an aprotic solvent, and fine magnesium oxide particles that are dispersed in the aprotic solvent, wherein the dispersion liquid has D50 of 200 nm or less in a particle size distribution as measured by a dynamic light scattering method, and has a content rate of coarse particles having an average particle diameter of 500 nm or more of less than 1%, and a method for producing the fine magnesium oxide particle dispersion liquid.Type: ApplicationFiled: March 23, 2015Publication date: April 6, 2017Applicant: Ube Materials Industries, Ltd.Inventors: Seiji Noguchi, Yuzo Kato, Masayuki Fujimoto
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Patent number: 9605200Abstract: The deep red light-emitting magnesium fluorogermanate phosphor prepared by calcining a mixture comprising a fine magnesium oxide powder having a BET specific surface area in the range of 5-200 m2/g, a fluorine compound, a germanium compound and a manganese compound gives a light emission having a maximum peak of increased strength in the wavelength region of 640-680 nm upon excitation with a light having a wavelength of 400 nm.Type: GrantFiled: March 26, 2013Date of Patent: March 28, 2017Assignees: UBE MATERIAL INDUSTRIES, LTD., UBE INDUSTRIES, LTD.Inventors: Kouichi Fukuda, Rika Nogita, Jin Amagai, Toru Inagaki
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Publication number: 20170044417Abstract: A magnesium oxide material includes a magnesium oxide powder treated with a halogen compound and a silane coupling agent. A method of producing a magnesium oxide material includes a step including preparing a magnesium oxide powder, a halogen compound treatment step including subjecting the magnesium oxide powder to a surface treatment with a halogen compound, and a silane coupling agent treatment step including subjecting the magnesium oxide powder to a surface treatment with a silane coupling agent.Type: ApplicationFiled: February 12, 2015Publication date: February 16, 2017Applicant: UBE MATERIAL INDUSTRIES, LTD.Inventors: Masayuki Fujimoto, Yuzo Kato, Seiji Noguchi
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Publication number: 20160286794Abstract: A plant disease control agent contains a magnesium oxide obtained by firing magnesium hydroxide at 400 to 1000° C. and a nonionic surfactant that contains a polyoxyalkylene group and has an HLB value of 14.5 or less. Alternatively, a plant disease control agent contains a magnesium oxide that generates radical species and nonionic surfactant that contains a polyoxyalkylene group and has an HLB value within a range of 14.5 or less.Type: ApplicationFiled: November 4, 2014Publication date: October 6, 2016Applicant: UBE MATERIALS INDUSTRIES, LTD.Inventors: Shoji Sakai, Shinichi Ito
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Publication number: 20160222273Abstract: A thermally conductive resin filler including a sintered body containing at least magnesium oxide, calcium oxide, and silicon oxide, the thermally conductive filler being characterized in that, when the molar number of calcium element contained in the total composition of the sintered body in terms of calcium oxide (CaO) is defined as MCa, and the molar number of silicon element contained in the total composition of the sintered body in terms of silicon oxide (SiO2) is defined as MSi, the molar ratio of the calcium oxide (CaO) to the silicon oxide (SiO2) represented by MCa/MSi is in the range of 0.1 or more and less than 2.0.Type: ApplicationFiled: September 10, 2014Publication date: August 4, 2016Applicant: Ube Materials Industries, Ltd.Inventors: Naoto Nishida, Seiji Yamaguchi, Akira Yoshida, Satoshi Shimmatsu
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Patent number: 9187338Abstract: Acicular strontium carbonate particles are manufactured by introducing gaseous carbon dioxide into an aqueous solution or suspension of strontium hydroxide having a concentration of 1 to 20 wt. %, at a flow rate of 0.5 to 200 mL/min., relative to one gram of the strontium hydroxide, while stirring the solution or suspension in the presence of a dicarboxylic acid, in which the dicarboxylic acid comprises a divalent linear hydrocarbon group having one to four carbon atoms and carboxyl group bonded to each terminals, with the proviso that the linear hydrocarbon group may be substituted with one or more C1-6 alkyl groups, and thus carbonating the strontium hydroxide.Type: GrantFiled: February 15, 2012Date of Patent: November 17, 2015Assignee: Ube Material Industries, Ltd.Inventors: Fumio Okada, Takeshi Himoto, Masayuki Fujimoto
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Patent number: 9117981Abstract: A silicate phosphor having a coating layer comprising a fluorine-containing compound on its surface which is obtained by a method of heating a mixture of 100 weight parts of a silicate phosphor and 0.5-15 weight parts of ammonium fluoride at a temperature in the range of 200 to 600° C. exhibits high light emission intensity and high moisture resistance.Type: GrantFiled: November 22, 2011Date of Patent: August 25, 2015Assignee: UBE Material Industries, Ltd.Inventors: Kouichi Fukuda, Jin Amagai, Seiji Noguchi, Toru Inagaki, Masaki Tanaka
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Patent number: 9115033Abstract: A moisture absorbent for an organic EL element having hydrophobicity and no reduction in moisture absorption speed, and a method for producing the moisture absorbent are provided. The moisture absorbent for an organic EL element includes, as a main component, calcium oxide particles each having an alkoxide layer on the surface thereof. Furthermore, the method for producing a moisture absorbent for an organic EL element includes dry-pulverizing calcium oxide in the presence of an alcohol, and thereafter dry-treating the pulverized calcium oxide.Type: GrantFiled: July 6, 2012Date of Patent: August 25, 2015Assignee: UBE MATERIAL INDUSTRIES, LTD.Inventors: Takayuki Watanabe, Akihiro Moto, Takuya Mishima, Satoru Sano, Akira Ueki
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Patent number: 9102810Abstract: Dispersibility of an alkaline earth metal carbonate micropowder in a polymer resin or in an organic solvent is improved by treating the surface of the alkaline earth metal micropowder with a surfactant having hydrophilic groups and hydrophobic groups and groups that form anions in water.Type: GrantFiled: February 15, 2012Date of Patent: August 11, 2015Assignee: UBE MATERIAL INDUSTRIES, LTD.Inventors: Fumio Okada, Takeshi Himoto, Masayuki Fujimoto
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Patent number: 9067799Abstract: An acicular strontium carbonate fine powder having a mean length of 150 nm or less and a mean aspect ratio of 1.5 or more and containing acicular strontium carbonate particles having a length of 200 nm or more in an amount of 5% or less in terms of number of acicular particles is improved in its dispersibility in hydrophobic organic solvent by treating the acicular strontium carbonate fine powder with a combination of polycarboxylic acid having a side chain of a polyoxyalkylene group or its anhydride and amine having a polyoxyalkylene group and a hydrocarbyl group.Type: GrantFiled: September 30, 2013Date of Patent: June 30, 2015Assignee: UBE MATERIAL INDUSTRIES, LTD.Inventors: Fumio Okada, Takeshi Himoto, Rika Nogita, Kouichi Fukuda
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Patent number: 9011718Abstract: The emission strength of a light released from a blue light-emitting phosphor having a merwinite crystal structure and an elemental formula of (Sr,Ca)3MgSi2O8 activated with Eu in which a molar ratio of Sr and Ca is in the range of 1:0.10 to 1:0.30 is stable in a wide temperature range.Type: GrantFiled: September 25, 2012Date of Patent: April 21, 2015Assignee: Ube Material Industries, Ltd.Inventors: Kouichi Fukuda, Jin Amagai, Seiji Noguchi, Toru Inagaki, Masaki Tanaka
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Patent number: 8956554Abstract: A green light-emitting silicate phosphor comprising Eu-activated strontium barium silicate which has a crystal phase of magnesium oxide or a merwinite crystal phase and contains 0.15 to 0.90 mol of magnesium per one mol of silicon gives a light emission stable at elevated temperatures.Type: GrantFiled: December 28, 2012Date of Patent: February 17, 2015Assignee: Ube Materials Industries, Ltd.Inventors: Kouichi Fukuda, Jin Amagai, Toru Inagaki
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Publication number: 20140356461Abstract: To provide a plant disease controlling agent and the method for controlling plant diseases using the same, the plant disease controlling agent being commonly applicable to various crop and soil conditions, and ensures safety over a long period throughout the environment. Provided is a plant disease controlling agent including magnesium oxide obtained by baking magnesium hydroxide at 400 to 1000° C. Further, provided is a method for controlling plant diseases using the plant disease controlling agent. The method is preferably any of mixing the plant disease controlling agent with the surface soil, mixing the plant disease controlling agent with the nursery soil, treating foliage with an aqueous suspension of the plant disease controlling agent, immersing plant roots in the plant disease controlling agent, and irrigating plant feet with the plant disease controlling agent.Type: ApplicationFiled: December 17, 2012Publication date: December 4, 2014Applicant: UBE MATERIAL INDUSTRIES, LTD.Inventors: Shoji Sakai, Shinichi Ito
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Patent number: 8883309Abstract: A blue light-emitting silicate phosphor favorably employable as a blue light-emitting source of a light-emitting apparatus which gives emission of a visible light upon irradiation of ultraviolet rays having a wavelength of 254 nm, such as ultraviolet rays emitted by a fluorescent lamp is produced by a method comprising calcining a powdery mixture comprising a magnesium oxide powder, an MeO source powder, a EuO source powder and a SiO2 source powder, said magnesium oxide powder having a purity of 99.9 wt. % or higher and a BET specific surface area in the range of 3 to 60 m2/g and having been prepared by bringing a metallic magnesium vapor into contact with oxygen whereby oxidizing the metallic magnesium vapor.Type: GrantFiled: April 14, 2011Date of Patent: November 11, 2014Assignee: Ube Material Industries, Ltd.Inventors: Toru Inagaki, Masato Yamauchi, Seiji Noguchi, Kouichi Fukuda, Akira Ueki
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Patent number: 8785535Abstract: A fibrous basic magnesium sulfate powder which does not contain CO2 in an amount of more than 0.15% by mass, or a fibrous basic magnesium sulfate powder which has a ratio of the infrared absorption within the wave number range of 1,400-1,440 cm?1 relative to the infrared absorption within the wave number range of 3,180-3,530 cm?1 of 0.005 or less. The fibrous basic magnesium sulfate powders exhibit improved physical property-improving effect when dispersed in a resin material.Type: GrantFiled: March 2, 2012Date of Patent: July 22, 2014Assignee: Ube Material Industries, Ltd.Inventors: Ryoichi Nomura, Tatsuki Okutsu
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Publication number: 20140166927Abstract: A moisture absorbent for an organic EL element having hydrophobicity and no reduction in moisture absorption speed, and a method for producing the moisture absorbent are provided. The moisture absorbent for an organic EL element includes, as a main component, calcium oxide particles each having an alkoxide layer on the surface thereof. Furthermore, the method for producing a moisture absorbent for an organic EL element includes dry-pulverizing calcium oxide in the presence of an alcohol, and thereafter dry-treating the pulverized calcium oxide.Type: ApplicationFiled: July 6, 2012Publication date: June 19, 2014Applicant: UBE MATERIAL INDUSTRIES, LTD.Inventors: Takayuki Watanabe, Akihiro Moto, Takuya Mishima, Satoru Sano, Akira Ueki
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Publication number: 20140151732Abstract: A blue light-emitting Eu-activated silicate phosphor having a constitutional formula of Sr3MgSi2O8 which contains Eu in an amount of 0.001 to 0.2 mol per one mole of Mg and further a rare earth metal element selected from the group consisting of Sc, Y, Gd, Tb and La in an amount of 0.0001 to 0.03 mol, per one mole of Mg, gives an emission with enhanced emission strength when it is excited with a light having a wavelength in the region of 350 to 430 nm.Type: ApplicationFiled: February 24, 2012Publication date: June 5, 2014Applicant: UBE MATERIAL INDUSTRIES, LTD.Inventors: Kouichi Fukuda, Jin Amagai, Seiji Noguchi, Toru Inagaki, Masaki Tanaka
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Publication number: 20140144775Abstract: Disclosed is an MgO target for sputtering, which can accelerate a film formation rate even when MgO is used as a target for sputtering in the formation of an MgO film. The MgO target for sputtering, which includes MgO and an electroconductive material as main components, and in which the electroconductive material is capable of imparting orientation to a MgO film when the MgO film containing the electroconductive material is formed by a DC sputtering.Type: ApplicationFiled: June 29, 2012Publication date: May 29, 2014Applicants: NIPPON TUNGSTEN CO., LTD., UBE MATERIALS INDUSTRIES, LTD.Inventors: Satoru Sano, Yoshihiro Nishimura, Takayuki Watanabe, Yuuzou Katou, Akira Ueki, Shinzo Mitomi, Masanobu Takasu, Yusuke Hara, Takaaki Tanaka