Patents by Inventor Makoto Toba
Makoto Toba 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).
-
Publication number: 20180312772Abstract: The present invention provides an oxidation inhibitor for diesel that improves the oxidative stability thereof and a diesel fuel composition having an excellent oxidative stability. A diesel fuel composition excellent in oxidative stability and low-temperature fluidity is obtained by adding an oxidation inhibitor that contains a fatty acid methyl ester derived from palm, rapeseed or soybean oil and in which the contents of polyunsaturated and saturated fatty acid methyl esters are each specified.Type: ApplicationFiled: July 5, 2016Publication date: November 1, 2018Inventors: Takehisa Mochizuki, Makoto Toba, Yuuji Yoshimura, Yohko Abe, Shih-Yuan Chen, Thanita Sonthiswate, Nattawee Teerananont, Chanakan Puemchalad, Piyanan Sreesiri
-
Patent number: 9701916Abstract: The purpose of the present invention is to provide a method for producing a high quality biodiesel fuel having excellent oxidation stability and few low-temperature deposits. This purpose can be achieved by the following: hydrogenating a biodiesel fuel so as to selectively convert unsaturated fatty acid monoglycerides and then removing fatty acid monoglycerides through precipitation; or using an adsorbent to further remove fatty acid monoglycerides to a high degree from the biodiesel fuel produced using the method mentioned above.Type: GrantFiled: October 17, 2014Date of Patent: July 11, 2017Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Makoto Toba, Yohko Abe, Yuuji Yoshimura, Takehisa Mochizuki
-
Patent number: 9650582Abstract: An object of the present invention is to provide a method for hydrogenating a biodiesel fuel for producing a biodiesel fuel having an excellent oxidation stability and cold flow property. The present invention serves to produce a biodiesel fuel excellent in oxidation stability, by hydrogenating a biodiesel fuel with oxygen present in the reaction system in the presence of a catalyst containing at least one type of noble metal selected from metals of Groups 8 to 10 in the periodic table.Type: GrantFiled: March 3, 2015Date of Patent: May 16, 2017Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Takehisa Mochizuki, Makoto Toba, Yuuji Yoshimura, Yohko Abe, Shih-Yuan Chen
-
Publication number: 20170015918Abstract: An object of the present invention is to provide a method for hydrogenating a biodiesel fuel for producing a biodiesel fuel having an excellent oxidation stability and cold flow property. The present invention serves to produce a biodiesel fuel excellent in oxidation stability, by hydrogenating a biodiesel fuel with oxygen present in the reaction system in the presence of a catalyst containing at least one type of noble metal selected from metals of Groups 8 to 10 in the periodic table.Type: ApplicationFiled: March 3, 2015Publication date: January 19, 2017Inventors: Takehisa Mochizuki, Makoto Toba, Yuuji Yoshimura, Yohko Abe, Shih-Yuan Chen
-
Patent number: 9518238Abstract: To provide a catalyst for production of a biodiesel fuel, which is capable of producing a biodiesel fuel with high selectivity, at a high yield, and at a low cost even in the presence of a water content and a free fatty acid, and a biodiesel fuel production method using the catalyst. Use of a titanium-containing mesoporous silica containing Ti and Si as skeleton constituent elements and having a pore diameter of 5 nm or greater as a transesterification catalyst enables a biodiesel fuel to be produced with high selectivity at a high yield through transesterification between an oil and an alcohol.Type: GrantFiled: July 26, 2013Date of Patent: December 13, 2016Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Shih-Yuan Chen, Makoto Toba, Yuji Yoshimura, Takehisa Mochizuki
-
Publication number: 20160264893Abstract: The purpose of the present invention is to provide a method for producing a high quality biodiesel fuel having excellent oxidation stability and few low-temperature deposits. This purpose can be achieved by the following: hydrogenating a biodiesel fuel so as to selectively convert unsaturated fatty acid monoglycerides and then removing fatty acid monoglycerides through precipitation; or using an adsorbent to further remove fatty acid monoglycerides to a high degree from the biodiesel fuel produced using the method mentioned above.Type: ApplicationFiled: October 17, 2014Publication date: September 15, 2016Inventors: Makoto Toba, Yohko Abe, Yuuji Yoshimura, Takehisa Mochizuki
-
Publication number: 20150361365Abstract: [Problem] To provide a catalyst for production of a biodiesel fuel, which is capable of producing a biodiesel fuel with high selectivity, at a high yield, and at a low cost even in the presence of a water content and a free fatty acid, and a biodiesel fuel production method using the catalyst. [Solution] Use of a titanium-containing mesoporous silica containing Ti and Si as skeleton constituent elements and having a pore diameter of 5 nm or greater as a transesterification catalyst enables a biodiesel fuel to be produced with high selectivity at a high yield through transesterification between an oil and an alcohol.Type: ApplicationFiled: July 26, 2013Publication date: December 17, 2015Inventors: Shih-Yuan Chen, Makoto Toba, Yuji Yoshimura, Takehisa Mochizuki
-
Patent number: 9168508Abstract: Provided is a method for producing biodiesel fuel having an excellent oxidative stability and fluidity at low temperature, wherein the method provides selective hydrogenation of a poly-unsaturated fatty acid alkyl ester to the mono-unsaturated fatty acid alkyl ester while inhibiting the formation of the trans-isomer, and a biodiesel fuel composition. In the method for producing biodiesel fuel, a fatty acid alkyl ester prepared from fat and/or waste edible oil by transesterification reaction, and/or (2) a fatty acid alkyl ester treated by esterification reaction of a fatty acid is hydrogenated in the presence of a hydrogenation catalyst containing at least one of noble metals selected from those of Groups 8-10 in the periodic table under low hydrogen pressure.Type: GrantFiled: February 18, 2011Date of Patent: October 27, 2015Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Makoto Toba, Yuji Yoshimura, Yoko Abe
-
Publication number: 20130055625Abstract: Provided is a method for producing biodiesel fuel having an excellent oxidative stability and fluidity at low temperature, wherein the method provides selective hydrogenation of a poly-unsaturated fatty acid alkyl ester to the mono-unsaturated fatty acid alkyl ester while inhibiting the formation of the trans-isomer, and a biodiesel fuel composition. In the method for producing biodiesel fuel, a fatty acid alkyl ester prepared from fat and/or waste edible oil by transesterification reaction, and/or (2) a fatty acid alkyl ester treated by esterification reaction of a fatty acid is hydrogenated in the presence of a hydrogenation catalyst containing at least one of noble metals selected from those of Groups 8-10 in the periodic table under low hydrogen pressure.Type: ApplicationFiled: February 18, 2011Publication date: March 7, 2013Applicant: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Makoto Toba, Yuji Yoshimura, Yoko Abe
-
Patent number: 7795168Abstract: A porous inorganic oxide support comprising an oxygen-containing carbonaceous material supported thereon, preferably a porous inorganic oxide support wherein the oxygen-containing carbonaceous material is a carbide of an oxygen-containing organic compound, wherein the ratio of the supported carbon amount with respect to the mass of the support for preparing the catalyst is from 0.05 to 0.2, the atomic ratio of the supported hydrogen amount with respect to the supported carbon amount is from 0.4 to 1.0, and the atomic ratio of the supported oxygen amount with respect to the supported carbon amount is from 0.1 to 0.Type: GrantFiled: February 28, 2006Date of Patent: September 14, 2010Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Makoto Toba, Yuji Yoshimura, Nobuyuki Matsubayashi, Takashi Matsui
-
Publication number: 20100087692Abstract: The present invention provides a hydrogenation method capable of converting cracked kerosene into the raw materials for petrochemical cracking having a high thermal decomposition yield by a hydrogenation reaction. The present invention is a petrochemical process for producing at least any of ethylene, propylene, butane, benzene or toluene by carrying out a thermal decomposition reaction at least using naphtha for the main raw material, wherein cracked kerosene produced from a thermal cracking furnace is hydrogenated using a Pd or Pt catalyst in a two-stage method consisting of a first stage (I), in which a hydrogenation reaction is carried out within the range of 50 to 180° C., and a second stage (II), in which a hydrogenation reaction is carried out within the range of 230 to 350° C., followed by re-supplying all or a portion of these hydrogenated hydrocarbons to a thermal cracking furnace.Type: ApplicationFiled: April 14, 2008Publication date: April 8, 2010Applicant: SHOWA DENKO K.K.Inventors: Yuuji Yoshimura, Makoto Toba, Yasuo Miki, Masako Miki, Shigeru Hatanaka, Tetsuo Kudo, Tetsuo Nakajo
-
Publication number: 20090258780Abstract: A porous inorganic oxide support comprising an oxygen-containing carbonaceous material supported thereon, preferably a porous inorganic oxide support wherein the oxygen-containing carbonaceous material is a carbide of an oxygen-containing organic compound, wherein the ratio of the supported carbon amount with respect to the mass of the support for preparing the catalyst is from 0.05 to 0.2, the atomic ratio of the supported hydrogen amount with respect to the supported carbon amount is from 0.4 to 1.0, and the atomic ratio of the supported oxygen amount with respect to the supported carbon amount is from 0.1 to 0.Type: ApplicationFiled: February 28, 2006Publication date: October 15, 2009Inventors: Makoto Toba, Yuji Yoshimura, Nobuyuki Matsubayashi, Takashi Matsui
-
Patent number: 7393807Abstract: A hydrotreating catalyst comprising a Group 8 metal of the periodic table, molybdenum (Mo), phosphorus and sulfur, wherein the average coordination number [N(Mo)] of the molybdenum atoms around the molybdenum atom is from 1.5 to 2.5 and the average coordination number [N(S)] of the sulfur atoms around the molybdenum atom is from 3.5 to 5.0 when MoS2 structure in the catalyst is measured in accordance with extended X-ray absorption fine structure (EXAFS) analysis.Type: GrantFiled: May 18, 2005Date of Patent: July 1, 2008Assignee: National Institute of Advanced Industrial Science and TechnologyInventors: Yuji Yoshimura, Makoto Toba, Nobuyuki Matsubayashi, Takashi Matsui
-
Publication number: 20050261124Abstract: A hydrotreating catalyst comprising a Group 8 metal of the periodic table, molybdenum (Mo), phosphorus and sulfur, wherein the average coordination number [N(Mo)] of the molybdenum atoms around the molybdenum atom is from 1.5 to 2.5 and the average coordination number [N(S)] of the sulfur atoms around the molybdenum atom is from 3.5 to 5.0 when MoS2 structure in the catalyst is measured in accordance with extended X-ray absorption fine structure (EXAFS) analysis.Type: ApplicationFiled: May 18, 2005Publication date: November 24, 2005Inventors: Yuji Yoshimura, Makoto Toba, Nobuyuki Matsubayashi, Takashi Matsui
-
Patent number: 6911563Abstract: A method for carrying out a reaction of one substance capable of being activated by a catalyst with another substance capable of reacting with said one substance activated, characterized in that the substance capable of being activated is activated by passing the substance through a diaphragm type catalyst and the reaction is thus performed in one reaction step; a method for producing an aromatic alcohol utilizing the above method; and a reaction apparatus suitable for these reactions. In the method, one substance is activated by passing through a diaphragm type catalyst and an objective reaction is carried out by using the activated substance, and the reaction can be performed in one reaction step and with safety. Moreover, the contact of the above activated substance with a compound to be reacted therewith can be freely controlled, and therefore, over-reaction can be prevented and an objective product can be produced in high yield.Type: GrantFiled: December 27, 2001Date of Patent: June 28, 2005Assignees: National Institute of Advanced Industrial Science, NOK CorporationInventors: Fujio Mizukami, Shuichi Niwa, Makoto Toba, Naotsugu Itoh, Tomonari Saito, Takemi Nanba, Hiroshi Shoji, Kazuhiko Haba
-
Publication number: 20040110995Abstract: A method for carrying out a reaction of one substance capable of being activated by a catalyst with another substance capable of reacting with said one substance activated, characterized in that the substance capable of being activated is activated by passing the substance through a diaphragm type catalyst and the reaction is thus performed in one reaction step; a method for producing an aromatic alcohol utilizing the above method; and a reaction apparatus suitable for these reactions. In the method, one substance is activated by passing through a diaphragm type catalyst and an objective reaction is carried out by using the activated substance, and the reaction can be performed in one reaction step and with safety. Moreover, the contact of the above activated substance with a compound to be reacted therewith can be freely controlled, and therefore, over-reaction can be prevented and an objective product can be produced in high yield.Type: ApplicationFiled: December 10, 2003Publication date: June 10, 2004Inventors: Fujio Mizukami, Shuichi Niwa, Makoto Toba, Naotsugu Itoh, Tomonari Saito, Takemi Nanba, Hiroshi Shoji, Kazuhiko Haba
-
Patent number: 5089456Abstract: A process for preparing a cordierite, which includes dissolving a silicon compound, an aluminum compound and a magnesium compound in a molar ratio of 1:0.7 to 1:0.3 to 0.5 in a complexing agent represented by the formula R(OCH.sub.2 CH.sub.2).sub.n OH, wherein R is an alkyl group and n is an integer of 1 to 4; heating the resulting solution to bring about a ligand exchange reaction of the silicon compound, aluminum compound and magnesium compound with the complexing agent; conducting hydrolysis to form a gel; drying the gel and sintering the dried gel at 800.degree. to 1450.degree. C.Type: GrantFiled: October 31, 1990Date of Patent: February 18, 1992Assignee: Agency of Industrial Science & TechnologyInventors: Kazuyuki Maeda, Fujio Mizukami, Shuichi Niwa, Makoto Toba, Kazuo Shimizu
-
Patent number: 5077032Abstract: A process of production of alumina includes method for controlling specific surface area of alumina. Control of specific surface area is performed by controlling porous structure of alumina. In the process, aluminum alkoxide is subject hydrolysis for forming alumina sol. During hydrolysis process, polyether is used as organic solvent in order to control the porous structure of produced alumina.Type: GrantFiled: October 11, 1989Date of Patent: December 31, 1991Assignees: Agency of Industrial Science and Technology, Nissan Motor Company, Ltd.Inventors: Fujio Mizukami, Kazuyuki Maeda, Shuichi Niwa, Makoto Toba, Junichi Mine
-
Patent number: 4781858Abstract: A mixture of a cyclodextrin and an alkoxy silane compound, e.g., tetraethoxy silane, is admixed with water and an acidic or alkaline catalyst, e.g., acetic acid, to effect ligand exchange and hydrolysis of the alkoxy silane followed by gelation into a gelled mass which is dried and, preferably, leached with water to remove excess of the cyclodextrin. The thus obtained gelled material is a composite having a structure in which the cyclodextrin molecules are incorporated into the matrix of amorphous silica presumably by forming Si-O-C linkages. The composite has characteristics as a combination of the properties of both of the component materials and can expand the applicability of the materials, for example, as a carrier of catalysts and immobilized enzymes, absorbent and adsorbent and so on.Type: GrantFiled: July 15, 1987Date of Patent: November 1, 1988Assignee: Director General of Agency of Industrial Science and TechnologyInventors: Fujio Mizukami, Makoto Toba, Shuichi Niwa, Sumi Imai