Patents by Inventor Makoto Kanou
Makoto Kanou 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).
-
Patent number: 9370571Abstract: There is provided an aqueous acrylamide solution including 2,2,6,6-tetramethylpiperidine 1-oxyl in the ratio of 2 to 100 mg and manganese ions in the ratio of 0.2 to 2.0 mg per 1 kg of acrylamide. According to the present invention, an aqueous acrylamide solution having favorable quality and high stability with suppressed polymerization of acrylamide, a stabilizer used therefore, and a stabilization method can be provided.Type: GrantFiled: May 21, 2012Date of Patent: June 21, 2016Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Makoto Kanou, Norifumi Hagiya
-
Patent number: 9181569Abstract: The present invention relates to a method for producing acrylamide comprising: supplying a raw material water to a reactor, supplying acrylonitrile to the reactor, and hydrating acrylonitrile using a biocatalyst, wherein a temperature of the raw material water in the supplying step of the raw material water to the reactor is equal to or more than freezing point of the raw material water and lower than the reaction temperature by 5° C. or more. The present invention can be provided to the method of producing acrylamide which can be removed the reaction heat produced at the hydration reaction of acrylonitrile effectively with a low cost.Type: GrantFiled: May 29, 2012Date of Patent: November 10, 2015Assignee: Mitsubishi Rayon co., Ltd.Inventors: Makoto Kanou, Kiyonobu Niwa
-
Patent number: 9102590Abstract: There is provided a method for producing an aqueous acrylamide solution by producing acrylamide by reacting a composition including acrylonitrile with water, in which the composition including acrylonitrile includes 20 to 80 mg of methacrylonitrile per 1 kg of the total weight of the composition including acrylonitrile. According to the present invention, a production method allowing stable obtainment of an aqueous acrylamide solution can be provided as polymerization of the acrylamide can be suppressed without causing a decreas+455e in quality.Type: GrantFiled: May 21, 2012Date of Patent: August 11, 2015Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Makoto Kanou, Norifumi Hagiya
-
Patent number: 9057084Abstract: There is provided a method for producing an aqueous acrylamide solution by reacting a composition including acrylonitrile with water to produce acrylamide, in which the composition including acrylonitrile includes 3 to 15 mg of propionitrile per 1 kg of the total weight of the composition including acrylonitrile. According to the present invention, a production method with which it is possible to suppress acrylamide polymerization without lowering quality and thereby obtain a stable aqueous acrylamide solution can be provided.Type: GrantFiled: May 21, 2012Date of Patent: June 16, 2015Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Makoto Kanou, Norifumi Hagiya
-
Patent number: 9029587Abstract: There is provided a method for producing an aqueous acrylamide solution by reacting a composition including acrylonitrile with water to produce acrylamide, in which the composition including acrylonitrile includes 3 to 15 mg of propionitrile per 1 kg of the total weight of the composition including acrylonitrile. According to the present invention, a production method with which it is possible to suppress acrylamide polymerization without lowering quality and thereby obtain a stable aqueous acrylamide solution can be provided.Type: GrantFiled: May 21, 2012Date of Patent: May 12, 2015Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Makoto Kanou, Norifumi Hagiya
-
Patent number: 8937199Abstract: The present invention provides a process for stabilizing an aqueous acrylamide solution. The present invention also provides a stable aqueous acrylamide solution containing acetaldehyde at a weight ratio relative to acrylamide of 1.5 mg/Kg to 4 mg/Kg.Type: GrantFiled: February 21, 2011Date of Patent: January 20, 2015Assignee: Mistubishi Rayon Co., Ltd.Inventors: Makoto Kanou, Norifumi Hagiya
-
Patent number: 8889907Abstract: The present invention provides a method for producing an amide compound from a nitrile compound using a biocatalyst that realizes low cost, energy saving and low environmental burdens. The production method of the amide compound of the present invention is a method for producing an amide compound from a nitrile compound using a biocatalyst in a reactor, wherein the nitrile compound is reacted with the biocatalyst to produce the amide compound under such stirring conditions that the stirring power requirement is in the range of 0.08 to 0.7 kW/m3.Type: GrantFiled: March 13, 2009Date of Patent: November 18, 2014Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Makoto Kanou, Kiyonobu Niwa, Masahito Oda
-
Publication number: 20140134683Abstract: The present invention relates to a method for producing acrylamide comprising: supplying a raw material water to a reactor, supplying acrylonitrile to the reactor, and hydrating acrylonitrile using a biocatalyst, wherein a temperature of the raw material water in the supplying step of the raw material water to the reactor is equal to or more than freezing point of the raw material water and lower than the reaction temperature by 5° C. or more. The present invention can be provided to the method of producing acrylamide which can be removed the reaction heat produced at the hydration reaction of acrylonitrile effectively with a low cost.Type: ApplicationFiled: May 29, 2012Publication date: May 15, 2014Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Makoto Kanou, Kiyonobu Niwa
-
Publication number: 20140106415Abstract: There is provided a method for producing an aqueous acrylamide solution by producing acrylamide by reacting a composition including acrylonitrile with water, in which the composition including acrylonitrile includes 20 to 80 mg of methacrylonitrile per 1 kg of the total weight of the composition including acrylonitrile. According to the present invention, a production method allowing stable obtainment of an aqueous acrylamide solution can be provided as polymerization of the acrylamide can be suppressed without causing a decreas+455e in quality.Type: ApplicationFiled: May 21, 2012Publication date: April 17, 2014Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Makoto Kanou, Norifumi Hagiya
-
Publication number: 20140087434Abstract: There is provided a method for producing an aqueous acrylamide solution by reacting a composition including acrylonitrile with water to produce acrylamide, in which the composition including acrylonitrile includes 3 to 15 mg of propionitrile per 1 kg of the total weight of the composition including acrylonitrile. According to the present invention, a production method with which it is possible to suppress acrylamide polymerization without lowering quality and thereby obtain a stable aqueous acrylamide solution can be provided.Type: ApplicationFiled: May 21, 2012Publication date: March 27, 2014Applicant: Mitsubishi Rayon Co., Ltd.Inventors: Makoto Kanou, Norifumi Hagiya
-
Publication number: 20140080914Abstract: There is provided an aqueous acrylamide solution including 2,2,6,6-tetramethylpiperidine 1-oxyl in the ratio of 2 to 100 mg and manganese ions in the ratio of 0.2 to 2.0 mg per 1 kg of acrylamide. According to the present invention, an aqueous acrylamide solution having favorable quality and high stability with suppressed polymerization of acrylamide, a stabilizer used therefore, and a stabilization method can be provided.Type: ApplicationFiled: May 21, 2012Publication date: March 20, 2014Applicant: Mitsubuishi Rayon Co., Ltd.Inventors: Makoto Kanou, Norifumi Hagiya
-
Publication number: 20120316362Abstract: The present invention provides a process for stabilizing an aqueous acrylamide solution. The present invention also provides a stable aqueous acrylamide solution containing acetaldehyde at a weight ratio relative to acrylamide of 1.5 mg/Kg to 4 mg/Kg.Type: ApplicationFiled: February 21, 2011Publication date: December 13, 2012Inventors: Makoto Kanou, Norifumi Hagiya
-
Publication number: 20110021819Abstract: The present invention provides a method for producing an amide compound from a nitrile compound using a biocatalyst that realizes low cost, energy saving and low environmental burdens. The production method of the amide compound of the present invention is a method for producing an amide compound from a nitrile compound using a biocatalyst in a reactor, wherein the nitrile compound is reacted with the biocatalyst to produce the amide compound under such stirring conditions that the stirring power requirement is in the range of 0.08 to 0.7 kW/m3.Type: ApplicationFiled: March 13, 2009Publication date: January 27, 2011Applicant: Dia-Nitrix Co., Ltd.Inventors: Makoto Kanou, Kiyonobu Niwa, Masahito Oda
-
Patent number: 6527667Abstract: A toroidal continuously variable transmission including input and output disks having a common first rotation axis about which the disks are rotatable, and a power roller swingably interposed between the disks and having a second rotation axis intersecting the first rotation axis, about which the power roller is rotatable. The input and output disks and the power roller have traction surfaces cooperating with each other to transmit rotation therebetween. At least one of the input and output disks and the power roller has a surface roughness on the traction surface thereof which varies in a direction of the rotation axis thereof.Type: GrantFiled: June 29, 2001Date of Patent: March 4, 2003Assignee: Nissan Motor Co., Ltd.Inventors: Toshikazu Oshidari, Jun Watanabe, Nobutaka Chiba, Toshikazu Nanbu, Makoto Kanou
-
Publication number: 20020002098Abstract: A toroidal continuously variable transmission including input and output disks having a common first rotation axis about which the disks are rotatable, and a power roller swingably interposed between the disks and having a second rotation axis intersecting the first rotation axis, about which the power roller is rotatable. The input and output disks and the power roller have traction surfaces cooperating with each other to transmit rotation therebetween. At least one of the input and output disks and the power roller has a surface roughness on the traction surface thereof which varies in a direction of the rotation axis thereof.Type: ApplicationFiled: June 29, 2001Publication date: January 3, 2002Applicant: NISSAN MOTOR CO., LTD.Inventors: Toshikazu Oshidari, Jun Watanabe, Nobutaka Chiba, Toshikazu Nanbu, Makoto Kanou
-
Patent number: 6112390Abstract: A workpiece which is made by integrally combining an outer member and an inner member through hemming is manufactured efficiently in a common apparatus. An outer member and an inner member are combined to alternately subassemble two kinds of workpieces at a common subassembly station. A hemming station is disposed on a downstream side of the subassembly station in a manufacturing line. In this hemming station, a first hemming apparatus for the first kind of workpiece and a second hemming apparatus for the second kind of workpiece are disposed in a side by side relationship with each other. The first kind of workpiece subassembled in the subassembly station and the second kind of workpiece are alternately fed to the first hemming apparatus and the second hemming apparatus by a workpiece feeding robot.Type: GrantFiled: May 20, 1999Date of Patent: September 5, 2000Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Toshiaki Takeda, Hiroji Chahara, Kazuhiro Terayama, Yasuo Fukagawa, Michihiro Kitahama, Makoto Kanou, Ichiro Oshima, Shinji Fujita