Patents by Inventor Tomoharu Oku
Tomoharu Oku has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11273434Abstract: The present invention aims to provide a regeneration method capable of sufficiently restoring the catalytic performance of a solid catalyst used in a dehydration reaction of lactic acid and derivatives thereof. The present invention relates to a method for regenerating a solid catalyst used in a dehydration reaction of lactic acid and derivatives of lactic acid, the method including a contacting step of bringing a solid catalyst containing a component that forms a molten salt in the presence of steam into contact with oxygen and steam under pressure.Type: GrantFiled: October 6, 2017Date of Patent: March 15, 2022Assignees: THE PROCTER & GAMBLE COMPANY, NIPPON SHOKUBAI CO., LTD.Inventors: Juan Estaban Velasquez, Dimitris Ioannis Collias, Jane Ellen Godlewski, Motosuke Imada, Koji Shingubara, Masashi Tonoya, Shinji Kanbara, Masaki Okada, Tomoharu Oku, Hideaki Tsuneki, Masanori Nonoguchi
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Publication number: 20190105651Abstract: The present invention aims to provide a regeneration method capable of sufficiently restoring the catalytic performance of a solid catalyst used in a dehydration reaction of lactic acid and derivatives thereof. The present invention relates to a method for regenerating a solid catalyst used in a dehydration reaction of lactic acid and derivatives of lactic acid, the method including a contacting step of bringing a solid catalyst containing a component that forms a molten salt in the presence of steam into contact with oxygen and steam under pressure.Type: ApplicationFiled: October 6, 2017Publication date: April 11, 2019Applicants: THE PROCTER & GAMBLE COMPANY, NIPPON SHOKUBAI CO., LTD.Inventors: Juan Estaban VELASQUEZ, Dimitris Ioannis COLLIAS, Jane Ellen GODLEWSKI, Motosuke IMADA, Koji SHINGUBARA, Masashi TONOYA, Shinji KANBARA, Masaki OKADA, Tomoharu OKU, Hideaki TSUNEKI, Masanori NONOGUCHI
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Patent number: 8093416Abstract: The present invention has an object to provide the following method for producing fatty acid alkyl esters and/or glycerin and the following catalyst used in the production method. According to the production method, a fat or oil is reacted with an alcohol to give a fatty acid alkyl ester and/or glycerin suitably used in a food or fuel application, etc., with high efficiency, and complicated steps such as a step of recovering a catalyst can be simplified or omitted. According to the catalyst, an active metal component is not eluted even if the catalyst is used repeatedly or for a long period of time, and further, such a catalyst can maintain an excellent catalyst activity for a long time even in the presence of water and exhibit a high activity to both of transesterification of a glyceride contained in the fat or oil and esterification of free fatty acid.Type: GrantFiled: October 17, 2008Date of Patent: January 10, 2012Assignee: Nippon Shokubai Co., Ltd.Inventors: Takeo Akatsuka, Masanori Nonoguchi, Tomoharu Oku
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Patent number: 8039651Abstract: In the method of the present invention for producing fatty acid alkyl ester and/or glycerin, as a heat source for an alcohol refining step of refining alcohol from unreacted alcohol that remains without reacting in a first reaction step, at least a part of heat of the unreacted alcohol is used. This allows reducing costs in production of fatty acid alkyl ester and/or glycerin over a solid catalyst.Type: GrantFiled: October 31, 2007Date of Patent: October 18, 2011Assignee: Nippon Shokubai Co., Ltd.Inventors: Masanori Nonoguchi, Hiroko Izumi, Atsushi Tachibana, Tomoharu Oku, Toshimitsu Moriguchi, Takeo Akatsuka, Izuho Okada, Hideaki Tsuneki, Hironori Horie
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Publication number: 20100286420Abstract: The present invention has an object to provide the following method for producing fatty acid alkyl esters and/or glycerin and the following catalyst used in the production method. According to the production method, a fat or oil is reacted with an alcohol to give a fatty acid alkyl ester and/or glycerin suitably used in a food or fuel application, etc., with high efficiency, and complicated steps such as a step of recovering a catalyst can be simplified or omitted. According to the catalyst, an active metal component is not eluted even if the catalyst is used repeatedly or for a long period of time, and further, such a catalyst can maintain an excellent catalyst activity for a long time even in the presence of water and exhibit a high activity to both of transesterification of a glyceride contained in the fat or oil and esterification of free fatty acid.Type: ApplicationFiled: October 17, 2008Publication date: November 11, 2010Applicant: Nippon Shokubai Co., Ltd.Inventors: Takeo Akatsuka, Masanori Nonoguchi, Tomoharu Oku
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Publication number: 20100274034Abstract: The present invention provides a method of producing a fatty acid alkyl ester and/or glycerin by bringing an oil and an alcohol into contact with each other, the method including: reacting the oil and alcohol with each other; performing solid-liquid separation for removing a solid sterol from a reaction liquid obtained in the step of reacting; and performing phase separation for separating the reaction liquid into a hydrophobic phase and a hydrophilic phase after the reaction liquid is subjected to the step of performing the solid-liquid separation, the hydrophobic phase containing the fatty acid alkyl ester, and the hydrophilic phase containing glycerin. Thereby, the present invention provides a method allowing stable continuous operation for a long time period for production of a fatty acid alkyl ester and/or glycerin.Type: ApplicationFiled: December 18, 2008Publication date: October 28, 2010Applicants: NIPPON SHOKUBAI CO., LTD, RESEARCH INSTITUTE OF INNOVATIVE TECHNOLOGY FOR THInventors: Izuho Okada, Tomoharu Oku, Hironori Horie, Masanori Nonoguchi, Atsushi Tachibana
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Publication number: 20100249441Abstract: In the method of the present invention for producing fatty acid alkyl ester and/or glycerin, as a heat source for an alcohol refining step of refining alcohol from unreacted alcohol that remains without reacting in a first reaction step, at least a part of heat of the unreacted alcohol is used. This allows reducing costs in production of fatty acid alkyl ester and/or glycerin over a solid catalyst.Type: ApplicationFiled: October 31, 2007Publication date: September 30, 2010Inventors: Masanori Nonoguchi, Hiroko Izumi, Atsushi Tachibana, Tomoharu Oku, Toshimitsu Moriguchi, Takeo Akatsuka, Izuho Okada, Hideaki Tsuneki, Hironori Horie
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Patent number: 7605281Abstract: The method of producing fatty acid alkyl esters and/or glycerine of the present invention is a method of producing high-purity fatty acid alkyl esters and/or glycerine advantageously from the energy viewpoint while reducing the energy consumption of the production, and the products can be used in various fields of application, for example in biodiesel fuels, foods, cosmetics and pharmaceuticals.Type: GrantFiled: August 30, 2004Date of Patent: October 20, 2009Assignee: Nippon Shokubai Co., Ltd.Inventors: Tomoharu Oku, Masanori Nonoguchi, Toshimitsu Moriguchi
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Publication number: 20090069586Abstract: To provide: a production method using a catalyst which can substantially suppress leaching of active metal components and exhibit high activity for both reactions of transesterification of glycerides and esterification of free fatty acids each contained in a fat or oil; and the catalyst.Type: ApplicationFiled: February 20, 2006Publication date: March 12, 2009Applicants: Nippon Shokubai Co., Ltd., Research Institute of Innovative Technology For the EarthInventors: Tomoharu Oku, Toshimitsu Moriguchi, Takeo Akatsuka, Masanori Nonoguchi
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Publication number: 20070167642Abstract: The method of producing fatty acid alkyl esters and/or glycerine of the present invention is a method of producing high-purity fatty acid alkyl esters and/or glycerine advantageously from the energy viewpoint while reducing the energy consumption of the production, and the products can be used in various fields of application, for example in biodiesel fuels, foods, cosmetics and pharmaceuticals.Type: ApplicationFiled: August 30, 2004Publication date: July 19, 2007Applicant: Nippon shokubai Co., Ltd.Inventors: Tomoharu Oku, Masanori Nonoguchi, Toshimitsu Moriguchi
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Patent number: 6559342Abstract: In producing alkanolamines by use of a microporous material as a catalyst, the difficulty in industrially performing the production because of the short lifetime of the catalyst is resolved. A process of regenerating the catalyst by removing an organic substance deposited on the catalyst by means of decomposing and/or extracting the substance is introduced, and thereby steady production is carried out substantially over the long term by switching the reaction and the regenerating processes.Type: GrantFiled: November 21, 2000Date of Patent: May 6, 2003Assignee: Nippon Shokubai Co., Ltd.Inventors: Hideaki Tsuneki, Masaru Kirishiki, Yoshitaka Arita, Yukihide Hashimoto, Tomoharu Oku, Hisakazu Shindou, Yoshiaki Urano, Fumiaki Morishita
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Patent number: 6521207Abstract: A method for producing a molding of binderless zeolite by exposing to saturated steam a precursor having a tetraalkylammonium salt component, an alkali metal component, and a metal component incorporated in the crystal skeleton of zeolite supported on a molding using silica as a main component, the molding of binderless zeolite, and use of the molding as a catalyst for the production of an alkanolamine.Type: GrantFiled: October 11, 2001Date of Patent: February 18, 2003Assignee: Nippon Shokubai Co., Ltd.Inventors: Tomoharu Oku, Hideaki Tsuneki
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Publication number: 20020041845Abstract: A method for producing a molding of binderless zeolite by exposing to saturated steam a precursor having a tetraalkylammonium salt component, an alkali metal component, and a metal component incorporated in the crystal skeleton of zeolite supported on a molding using silica as a main component, the molding of binderless zeolite, and use of the molding as a catalyst for the production of an alkanolamine.Type: ApplicationFiled: October 11, 2001Publication date: April 11, 2002Applicant: Nippon Shokubai co., Ltd., Japan corporationInventors: Tomoharu Oku, Hideaki Tsuneki