Patents by Inventor Naoyuki Takano
Naoyuki Takano 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: 8304558Abstract: Disclosed is a simple and advantageous method for producing a thiazole compound, which method is suitable for commercial-scale implementation. In this method, a thiazole compound is produced by a reaction between 2-halogeno-allylisothiocyanate and sulfuryl chloride generating a large amount of heat, while suppressing decrease in the yield of the thiazole compound. Specifically disclosed is a method for producing 2-chloro-5-chloromethylthiazole represented by the formula (1): This method is characterized in that sulfuryl chloride is added to and reacted with 2-halogeno-allylisothiocyanate represented by the formula (2): wherein Hal represents chlorine or bromine, while blowing a gas inactive to the reaction into the reaction liquid.Type: GrantFiled: January 11, 2007Date of Patent: November 6, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Naoyuki Takano, Morio Yamamoto, Shinzo Seko
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Patent number: 8269044Abstract: Disclosed is a method for producing a primary amine compound represented by the formula (3): wherein, Ar is as defined below, which is characterized in that a halogen compound represented by the formula (1): wherein, Ar represents an unsubstituted aromatic group such as a phenyl group, a naphthyl group, a pyridyl group, a furyl group, a thienyl group, a pyrrolyl group, an oxazolyl group, an isoxazolyl group or a pyrimidinyl group, or an aromatic group obtained by substituting such an unsubstituted aromatic group with 1-3 substituents; and X represents a halogen atom, ammonia and formaldehyde are reacted with each other, thereby obtaining a hexahydrotriazine compound represented by the formula (2): wherein, Ar is as defined above, and then the thus-obtained hexahydrotriazine compound is decomposed. By this method, a primary amine compound can be commercially advantageously produced by using a low-cost ammonia while suppressing production of a secondary amine as a by-product.Type: GrantFiled: December 14, 2006Date of Patent: September 18, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Naoyuki Takano, Kazuyuki Tanaka, Shinzo Seko
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Patent number: 7977490Abstract: A process for producing a thiazole compound of the formula (3): wherein X1 is a hydrogen atom or a halogen atom, which comprises reacting a compound of the formula (1): wherein X1 is as defined above, and X2 represents a halogen atom, with ammonia and formaldehyde to obtain a hexahydrotriazine compound of the formula (2): wherein X1 is as defined above, and reacting the resulting hexahydrotriazine compound with hydroxylamine under acidic conditions. According to this process, the thiazole compound of the formula (3) can be industrially advantageously produced using inexpensive ammonia with suppressing the formation of a byproduct of the formula (4): wherein X1 is as defined above.Type: GrantFiled: April 5, 2006Date of Patent: July 12, 2011Assignee: Sumitomo Chemical Company, LimitedInventors: Kazuyuki Tanaka, Naoyuki Takano, Shinzo Seko
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Publication number: 20110054185Abstract: A process for producing a thiazole compound of the formula (3): wherein X1 is a hydrogen atom or a halogen atom, which comprises reacting a compound of the formula (1): wherein X1 is as defined above, and X2 represents a halogen atom, with ammonia and formaldehyde to obtain a hexahydrotriazine compound of the formula (2): wherein X1 is as defined above, and reacting the resulting hexahydrotriazine compound with hydroxylamine under acidic conditions. According to this process, the thiazole compound of the formula (3) can be industrially advantageously produced using inexpensive ammonia with suppressing the formation of a byproduct of the formula (4): wherein X1 is as defined above.Type: ApplicationFiled: April 5, 2006Publication date: March 3, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuyuki Tanaka, Naoyuki Takano, Shinzo Seko
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Publication number: 20100094022Abstract: Disclosed is a simple and advantageous method for producing a thiazole compound, which method is suitable for commercial-scale implementation. In this method, a thiazole compound is produced by a reaction between 2-halogeno-allylisothiocyanate and sulfuryl chloride generating a large amount of heat, while suppressing decrease in the yield of the thiazole compound. Specifically disclosed is a method for producing 2-chloro-5-chloromethylthiazole represented by the formula (1): This method is characterized in that sulfuryl chloride is added to and reacted with 2-halogeno-allylisothiocyanate represented by the formula (2): wherein Hal represents chlorine or bromine, while blowing a gas inactive to the reaction into the reaction liquid.Type: ApplicationFiled: January 11, 2007Publication date: April 15, 2010Inventors: Naoyuki Takano, Morio Yamamoto, Shinzo Seko
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Patent number: 7652170Abstract: Disclosed is a method for producing a primary amine compound represented by the formula (2) below, which is characterized in that a halogen compound represented by the formula (1) below, ammonia and formaldehyde are reacted with each other, and then the thus-obtained reaction product is [1] brought into contact with an aqueous solution of an acid or [2] reacted with a hydroxylamine under acidic conditions. By this method, a primary amine compound can be commercially advantageously produced by using a low-cost ammonia while suppressing production of a secondary amine as a by-product. (1) (In the formula, R1 and R2 independently represent a hydrogen atom, a C1-C5 alkyl group which may be substituted by a halogen atom or the like, a C1-C5 alkoxy group which may be substituted by a halogen atom, a cyano group, a C2-C11 alkenyl group or a phenyl group or the like; R3 represents a hydrogen atom, a linear or branched C1-C5 alkyl group or a cyano group; and X represents a halogen atom.Type: GrantFiled: December 25, 2006Date of Patent: January 26, 2010Assignee: Sumitomo Chemical Company, LimitedInventors: Hiroshi Souda, Naoyuki Takano, Shinzo Seko
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Publication number: 20090287023Abstract: Disclosed is a method for producing a primary amine compound represented by the formula (2) below, which is characterized in that a halogen compound represented by the formula (1) below, ammonia and formaldehyde are reacted with each other, and then the thus-obtained reaction product is [1] brought into contact with an aqueous solution of an acid or [2] reacted with a hydroxylamine under acidic conditions. By this method, a primary amine compound can be commercially advantageously produced by using a low-cost ammonia while suppressing production of a secondary amine as a by-product. (1) (In the formula, R1 and R2 independently represent a hydrogen atom, a C1-C5 alkyl group which may be substituted by a halogen atom or the like, a C1-C5 alkoxy group which may be substituted by a halogen atom, a cyano group, a C2-C11 alkenyl group or a phenyl group or the like; R3 represents a hydrogen atom, a linear or branched C1-C5 alkyl group or a cyano group; and X represents a halogen atom.Type: ApplicationFiled: December 25, 2006Publication date: November 19, 2009Inventors: Hiroshi Souda, Naoyuki Takano, Shinzo Seko
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Publication number: 20090281325Abstract: Disclosed is a method for producing a primary amine compound represented by the formula (3): wherein, Ar is as defined below , which is characterized in that a halogen compound represented by the formula (1): wherein, Ar represents an unsubstituted aromatic group such as a phenyl group, a naphthyl group, a pyridyl group, a furyl group, a thienyl group, a pyrrolyl group, an oxazolyl group, an isoxazolyl group or a pyrimidinyl group, or an aromatic group obtained by substituting such an unsubstituted aromatic group with 1-3 substituents; and X represents a halogen atom, ammonia and formaldehyde are reacted with each other, thereby obtaining a hexahydrotriazine compound represented by the formula (2): wherein, Ar is as defined above, and then the thus-obtained hexahydrotriazine compound is decomposed. By this method, a primary amine compound can be commercially advantageously produced by using a low-cost ammonia while suppressing production of a secondary amine as a by-product.Type: ApplicationFiled: December 14, 2006Publication date: November 12, 2009Inventors: Naoyuki Takano, Kazuyuki Tanaka, Shinzo Seko
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Patent number: 7605146Abstract: There is disclosed a process for producing an amide compound, which process is characterized in that a compound having an amino group are reacted with a polyaminopolycarboxylic acid anhydride in the presence of the polyaminopolycarboxylic acid.Type: GrantFiled: October 9, 2001Date of Patent: October 20, 2009Assignee: Nihon Medi-Physics Company, LimitedInventors: Naoyuki Takano, Daisaku Nakamura
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Publication number: 20080289720Abstract: A fuel filling apparatus is provided. The fuel filling apparatus comprises an overfilling protective valve arranged in a fuel gas supply path for supplying a fuel gas to an automobile. The overfilling protective valve further comprises a fuel gas path, a valve unit for opening and closing the fuel gas path by a valve body, a valve body displacement means for displacing the valve body according to a filling pressure of the fuel gas, and a temperature modulating unit for modulating a temperature of the valve body displacement means. Even though a difference between the temperature of the fuel gas and the operation temperature of the overfilling protective valve is large, the temperature of the valve body displacement means can be maintained within the preset temperature range by the temperature modulating unit and the overfilling protective valve can be exactly operated under the preset pressure.Type: ApplicationFiled: March 24, 2008Publication date: November 27, 2008Inventors: NAOYUKI TAKANO, Kazutoshi Sato, Kanji Omori
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Patent number: 7439357Abstract: A process for preparing a thiazole compound of formula (3): wherein X1 represents a hydrogen atom or a halogen atom comprising reacting a compound of formula (1): wherein X1 is as defined above, and X2 represents a halogen atom, with ammonia and formaldehyde to obtain a hexahydrotriazine compound of formula (2): wherein X1 is as defined above, and hydrolyzing the compound of formula (2).Type: GrantFiled: June 10, 2005Date of Patent: October 21, 2008Assignee: Sumitomo Chemical Company, LimitedInventors: Naoyuki Takano, Shinzo Seko, Kazuyuki Tanaka
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Patent number: 7406987Abstract: A fuel filling apparatus is provided. The fuel filling apparatus comprises an overfilling protective valve arranged in a fuel gas supply path for supplying a fuel gas to an automobile. The overfilling protective valve further comprises a fuel gas path, a valve unit for opening and closing the fuel gas path by a valve body, a valve body displacement means for displacing the valve body according to a filling pressure of the fuel gas, and a temperature modulating unit for modulating a temperature of the valve body displacement means. Even though a difference between the temperature of the fuel gas and the operation temperature of the overfilling protective valve is large, the temperature of the valve body displacement means can be maintained within the preset temperature range by the temperature modulating unit and the overfilling protective valve can be exactly operated under the preset pressure.Type: GrantFiled: September 24, 2003Date of Patent: August 5, 2008Assignee: Taiyo Nippon Sanso CorporationInventors: Naoyuki Takano, Kazutoshi Sato, Kanji Omori
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Patent number: 7304185Abstract: There is provided a process for the production of carbonyl compounds, characterized by reacting a diol represented by the formula (1); wherein R1, R2, R3 and R4 are the same or different, and independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted acyl group, a substituted or unsubstituted alkoxycarbonyl group, a substituted or unsubstituted aryloxycarbonyl group, a substituted or unsubstituted aralkyloxycarbonyl group, carboxyl group or a hydrogen atom, or R1 and R2 or R3 and R4 are bonded together with the carbon atoms to which they are bonded to form a ring, provided that all of R1, R2, R3 and R4 are not hydrogen atoms simultaneously; with bromine or an inorganic bromine compound in the presence of a trivalent bismuth compound and a base to form carbonyl compounds represented by the formula (2); wherein R1 and R3 are as defined above; and the formula (3); whereinType: GrantFiled: March 24, 2004Date of Patent: December 4, 2007Assignee: Sumitomo Chemical Company, LimitedInventors: Naoyuki Takano, Koji Hagiya
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Publication number: 20070197803Abstract: A process for preparing a thiazole compound of formula (3): wherein X1 represents a hydrogen atom or a halogen atom comprising reacting a compound of formula (1): wherein X1 is as defined above, and X2 represents a halogen atom, with ammonia and formaldehyde to obtain a hexahydrotriazine compound of formula (2): wherein X1 is as defined above, and hydrolyzing the compound of formula (2).Type: ApplicationFiled: June 10, 2005Publication date: August 23, 2007Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Naoyuki Takano, Shinzo Seko, Kazuyuki Tanaka
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Publication number: 20060089506Abstract: There is provided a process for the production of carbonyl compounds, characterized by reacting a diol represented by the formula (1); wherein R1, R2, R3 and R4 are the same or different, and independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted acyl group, a substituted or unsubstituted alkoxycarbonyl group, a substituted or unsubstituted aryloxycarbonyl group, a substituted or unsubstituted aralkyloxycarbonyl group, carboxyl group or a hydrogen atom, or R1 and R2 or R3 and R4 are bonded together with the carbon atoms to which they are bonded to form a ring, provided that all of R1, R2, R3 and R4 are not hydrogen atoms simultaneously; with bromine or an inorganic bromine compound in the presence of a trivalent bismuth compound and a base to form carbonyl compounds represented by the formula (2); wherein R1 and R3 are as defined above; and the formula (3); whereinType: ApplicationFiled: March 24, 2004Publication date: April 27, 2006Inventors: Naoyuki Takano, Koji Hagiya
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Publication number: 20060016512Abstract: A fuel filling apparatus is provided. The fuel filling apparatus comprises an overfilling protective valve arranged in a fuel gas supply path for supplying a fuel gas to an automobile. The overfilling protective valve further comprises a fuel gas path, a valve unit for opening and closing the fuel gas path by a valve body, a valve body displacement means for displacing the valve body according to a filling pressure of the fuel gas, and a temperature modulating unit for modulating a temperature of the valve body displacement means. Even though a difference between the temperature of the fuel gas and the operation temperature of the overfilling protective valve is large, the temperature of the valve body displacement means can be maintained within the preset temperature range by the temperature modulating unit and the overfilling protective valve can be exactly operated under the preset pressure.Type: ApplicationFiled: September 24, 2003Publication date: January 26, 2006Inventors: Naoyuki Takano, Kazutoshi Sato, Kanji Omori
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Patent number: 6904944Abstract: A fuel filling device is provided with a fuel supply adjusting section which adjusts the amount of fuel supplied, a fuel feed line which feeds fuel from a fuel supply adjusting section to a vehicle W, a nozzle removably coupled to vehicle W that supplies fuel from fuel feed line to vehicle W, and a discharge device that discharges fuel present within fuel feed line to the outside to prevent deterioration of packings used in the device in the case of filling a fuel at high pressure, while also facilitate the operation of a filling nozzle.Type: GrantFiled: March 7, 2003Date of Patent: June 14, 2005Assignees: Nitto Kohki Co., Ltd., Taiyo Nippon Sanso CorporationInventors: Kazutoshi Satou, Naoyuki Takano, Yoshikazu Shirane, Kunihiko Gotou, Koji Matsumoto
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Publication number: 20040152592Abstract: There are disclosed are a method for producing at least one compound selected from a carbonyl compound and a hydroxy adduct compound by an oxidative cleavage or addition reaction of an olefinic double bond of an olefin compound,Type: ApplicationFiled: January 21, 2004Publication date: August 5, 2004Applicant: Sumitomo Chemical Company, LimtedInventors: Koji Hagiya, Naoyuki Takano, Akio Kurihara
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Patent number: 6703528Abstract: There are disclosed are a method for producing at least one compound selected from a carbonyl compound and a hydroxy adduct compound by an oxidative cleavage or addition reaction of an olefinic double bond of an olefin compound, which contains reacting an olefin compound with hydrogen peroxide, utilizing as a catalyst, at least one member selected from (a) tungsten, (b) molybdenum, or (c) a tungsten or molybdenum metal compound containing (ia) tungsten or (ib) molybdenum and (ii) an element of Group IIIb, IVb, Vb or VIb excluding oxygen, and a catalyst composition.Type: GrantFiled: August 10, 2001Date of Patent: March 9, 2004Assignee: Sumitomo Chemical Company, LimitedInventors: Koji Hagiya, Naoyuki Takano, Akio Kurihara
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Publication number: 20030209282Abstract: A fuel filling device is provided with a fuel supply adjusting section which adjusts the amount of fuel supplied, a fuel feed line which feeds fuel from a fuel supply adjusting section to a vehicle W, a nozzle removably coupled to vehicle W that supplies fuel from fuel feed line to vehicle W, and a discharge device that discharges fuel present within fuel feed line to the outside to prevent deterioration of packings used in the device in the case of filling a fuel at high pressure, while also facilitate the operation of a filling nozzle.Type: ApplicationFiled: March 7, 2003Publication date: November 13, 2003Applicant: NIPPON SANSO CORPORATION and NITTO KOHKI CO., LTD.Inventors: Kazutoshi Satou, Naoyuki Takano, Yoshikazu Shirane, Kunihiko Gotou, Koji Matsumoto