Aoki, Chiba
Hijiri Aoki, Chiba JP
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20100286351 | ABA TRIBLOCK COPOLYMER AND PROCESS FOR PRODUCING THE SAME - To provide a novel ABA-type triblock copolymer of vinyl ether series, comprising polyvinyl ether and an oxystyrene-series unit, and a process of producing the ABA-type copolymer at a series of steps. The invention relates to a novel ABA-type triblock copolymer comprising Segment A comprising an oxystyrene-series repeat unit (a) and Segment B comprising a vinyl ether-series repeat unit (b), in which the Segment A and the Segment B are bonded together with a single bond, and to a simple process of producing the same. The triblock copolymer can be produced at a series of steps in a simple manner, comprising living cationic polymerization of a vinyl ether-series monomer such as ethyl vinyl ether in the presence of a bifunctional initiator and a Lewis acid, and subsequently adding an oxystyrene-series monomer such as p-hydroxystyrene for living cationic polymerization. | 11-11-2010 |
Hirobumi Aoki, Chiba JP
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20090111153 | METHOD FOR ACYLTRANSFERASE REACTION USING ACYL COENZYME A - The present invention relates to a method for acyltransferase reaction in which an acyl group of acyl coenzyme A is transferred to an acyl group receptor characterized in that the reaction is carried out by production and/or reproduction of acyl coenzyme A from coenzyme A in a reaction system by a chemical thioester exchange reaction with acylthioester. The present invention, wherein expensive acyl CoA is reproduced nonenzymatically in a reaction system, enables to continuously carry out acyltransferase reaction only by putting a small amount of acyl CoA with a donor and a receptor of an acyl group into a system. Accordingly, the method of the present invention can be applied to an industrial production method of various kinds of compounds including useful biological molecules and synthesis of polymers such as polyester. | 04-30-2009 |
20090240070 | WHITENING DERMATOLOGICAL PREPARATIONS - Disclosed is a dermatological preparation that are safe and are excellent in inhibiting and removing skin pigmentation and in inhibiting skin roughness. A dermatological preparation comprising a tocopherol aminoalkylcarboxylate and/or a salt thereof, the tocopherol aminoalkylcarboxylate being represented by Formula (I): | 09-24-2009 |
20100273877 | EMULSIFIED SKIN EXTERNAL PREPARATIONS AND COSMETICS - An emulsified skin external preparation including 0.01 to 10% by mass of a branched acyl carnitine derivative represented by the following Formula (1) and/or a carnitine derivative salt represented by the following Formula (2), and 0.01 to 20% by mass of a nonionic surfactant: | 10-28-2010 |
Hitoshi Aoki, Chiba JP
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20080299239 | Inhibitor of Glucose Absorption and Method for Producing the Same - This invention provides an inhibitor of glucose absorption and a method for producing the same. Such inhibitor of glucose absorption comprises, as an active ingredient, an acerola-derived substance capable of inhibiting glucose absorption. | 12-04-2008 |
20090004311 | SKIN-WHITENING AGENT CONTAINING POLYPHENOL COMPOUND - This invention relates to a method for inhibiting melanin formation in a subject comprising administering an effective amount of an acerola-derived polyphenol compound, an acerola polyphenol fraction, or the other polyphenol compound to a subject. This method comprises whitening the subject's skin by the inhibition of melanin formation. This method also comprises administering synergistically effective amounts of an acerola-derived polyphenol compound, an acerola polyphenol fraction, or the other polyphenol compound in combination with ascorbic acid or an ascorbic acid derivative to a subject. | 01-01-2009 |
Izuo Aoki, Chiba JP
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20090093599 | CURATIVES FOR EPOXY RESIN, CURING ACCELERATOR, AND EPOXY RESIN COMPOSITION - The present invention has an object to provide curatives for epoxy resins and curing accelerators for epoxy resins, which both have improved subliming and decomposing properties and which, when mixed with an epoxy resin, enable the mixture to be greatly improved in thermal stability that is extremely important for the control of a curing reaction and to have a prolonged pot life (stability as a one-pack mixture comprising the epoxy resin, curative, etc.) and improved curability at low temperatures. The curative is characterized by being a clathrate comprising a tetrakisphenol compound represented by a general formula (I), wherein X represents (CH | 04-09-2009 |
Kenichi Aoki, Chiba JP
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20080200580 | Base Multiplying Agents and Base-Reactive Curable Compositions - To provide such a base multiplying agent capable of being used for crosslinking reaction, for example of a epoxy compound and the like, that generates another base by action of a base, and can efficiently perform base multiplying reaction, and a base-reactive curable composition using the base multiplying agent. | 08-21-2008 |
20090202942 | PROCESS FOR PRODUCING PATTERNED FILM AND PHOTOSENSITIVE RESIN COMPOSITION - A process for producing a film pattern, in which a layer of photosensitive resin composition is formed on a substrate and exposed selectively through a mask to light to thereby obtain a film pattern provided on its surface with protrusions and depressions without the need to remove the layer of photosensitive resin composition at unexposed regions or exposed regions by, for example, development; and a photosensitive resin composition for use in the above process for producing a film pattern. There is provided a process for producing a patterned film, comprising the steps of preparing a photosensitive resin composition that upon light irradiation, generates an acid or a base and is hardened; coating substrate ( | 08-13-2009 |
Midori Aoki, Chiba JP
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20090093599 | CURATIVES FOR EPOXY RESIN, CURING ACCELERATOR, AND EPOXY RESIN COMPOSITION - The present invention has an object to provide curatives for epoxy resins and curing accelerators for epoxy resins, which both have improved subliming and decomposing properties and which, when mixed with an epoxy resin, enable the mixture to be greatly improved in thermal stability that is extremely important for the control of a curing reaction and to have a prolonged pot life (stability as a one-pack mixture comprising the epoxy resin, curative, etc.) and improved curability at low temperatures. The curative is characterized by being a clathrate comprising a tetrakisphenol compound represented by a general formula (I), wherein X represents (CH | 04-09-2009 |
Shinobu Aoki, Chiba JP
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20110201846 | METHOD FOR PRODUCING ALKYLATED AROMATICE COMPOUND, METHOD FOR PRODUCING CUMENE, AND METHOD FOR PRODUCING PHENOL - It is an object of the present invention to provide a method for producing an alkylated aromatic compound and a method for producing cumene that can greatly reduce the amount of solid acid substance, and a method for producing phenol including a step of producing cumene by the method for producing cumene. A method for producing an alkylated aromatic compound according to the present invention includes a step (i) of producing a reaction product (a1) containing the alkylated aromatic compound and water by the reaction of an aromatic compound, a ketone, and hydrogen using a metal component containing at least one metallic element selected from the group consisting of copper, nickel, cobalt, and rhenium and a solid acid substance; a step (ii) of forming a dehydrated product (a2) from at least a portion of the reaction product (a1) by removing at least a portion of the water in the reaction product (a1); and a step (iii) of producing a reaction product (a3) containing the alkylated aromatic compound by bringing at least a portion of the dehydrated product (a2) into contact with a solid acid substance. | 08-18-2011 |
20120004471 | PROCESS FOR PRODUCING ALKYLATED AROMATIC COMPOUNDS AND PROCESS FOR PRODUCING PHENOLS - According to a process of the invention, a ketone, an aromatic compound and hydrogen as starting materials are reacted together in a single reaction step to produce an alkylaromatic compound in high yield. A process for producing phenols in the invention includes a step of performing the above alkylation process and does not increase the number of steps compared to the conventional cumene process. | 01-05-2012 |
Yoji Aoki, Chiba JP
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20090326247 | METHOD FOR PRODUCING 2-ALKYL-3-AMINOTHIOPHENE DERIVATIVE - The present invention provides a method of producing a 2-alkyl-3-aminothiophene derivative represented by formula (2) by reducing at least one of the 2-alkenyl-3-aminothiophene derivatives represented by formulae (1a) to (1d), or a mixture thereof, or a salt thereof, without using a protecting group for an amino group: | 12-31-2009 |
20100010216 | 2-FLUORINATED ACYL-3-AMINOACRYLONITRILE DERIVATIVE AND METHOD FOR PRODUCING THE SAME - The invention provides a 2-fluorinated acyl-3-aminoacrylonitrile derivative, and a method for producing the same. A desired 2-fluorinated acyl-3-aminoacrylonitrile derivative represented by the following Formula (3) is obtained by reacting a fluorinated acyl derivative with an aminoacrylonitrile derivative. In Formula (3), Rf represents an alkyl group having 1 to 6 carbon atoms which is substituted with at least one fluorine atom, R | 01-14-2010 |
20100016612 | FLUORINE-CONTAINING PYRAZOLECARBONITRILE DERIVATIVE AND METHOD FOR PRODUCING THE SAME, AND FLUORINE-CONTAINING PYRAZOLECARBOXYLIC ACID DERIVATIVE OBTAINED BY USING THE FLUORINE-CONTAINING PYRAZOLECARBONITRILE DERIVATIVE AND METHOD FOR PRODUCING THE SAME - The present invention provides a fluorine-containing pyrazolecarbonitrile derivative and a method for producing the same, and a fluorine-containing pyrazolecarboxylic acid derivative obtained by using the fluorine-containing pyrazolecarbonitrile derivative and a method for producing the same. | 01-21-2010 |
20110015406 | METHOD FOR PRODUCING FLUORINE-CONTAINING ACYLACETIC ACID DERIVATIVE, METHOD FOR PRODUCING FLUORINE-CONTAINING PYRAZOLECARBOXYLIC ACID ESTER DERIVATIVE, AND METHOD FOR PRODUCING FLUORINE-CONTAINING PYRAZOLECARBOXYLIC ACID DERIVATIVE - A halogenating agent is added to a mixture including a base, a fluoroalkylcarboxylic acid derivative and an acrylate derivative to produce a fluoroaclyacetic acid derivative represented by the following Formula (3): | 01-20-2011 |
Youji Aoki, Chiba JP
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20110137068 | METHOD FOR PRODUCING AMIDE DERIVATIVE - An amide derivative represented by Formula (3), which exhibits excellent efficacy in pest control effect, is produced by allowing a compound represented by the following Formula (1) and a compound represented by Formula (2) to react with each other. In Formula (1) to Formula (3), Y | 06-09-2011 |
Yusuke Aoki, Chiba JP
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20130082222 | POLYCARBONATE-BASED RESIN COMPOSITION AND MOLDED ARTICLE THEREOF - Provided are a polycarbonate-based resin composition that brings together an excellent impact strength and excellent flame retardancy and a molded article thereof. The polycarbonate-based resin composition is a polycarbonate-based resin composition, including, with respect to 100 parts by mass of (A) a resin mixture formed of 30 to 100 mass % of (A-1) a polycarbonate-polyorganosiloxane copolymer which has a constituent unit represented by a general formula (I) and a constituent unit represented by a general formula (II), and in which an average number of repetitions of the constituent unit represented by the general formula (II) is 30 to 500, and 70 to 0 mass % of (A-2) an aromatic polycarbonate resin except the polycarbonate-polyorganosiloxane copolymer, 0.01 to 0.15 part by mass of (B) an alkali metal salt and/or alkaline earth metal salt of an organosulfonic acid, and 0.1 to 1 part by mass of (C) a mixed powder formed of polytetrafluoroethylene particles and organic polymer particles, in which: a content of a polyorganosiloxane block moiety formed of the constituent unit represented by the general formula (II) in the resin mixture (A) is 2 to 30 mass %; and the composition is free of an organohalogen-based flame retardant and an organophosphate-based flame retardant. | 04-04-2013 |
20130303672 | POLYCARBONATE RESIN COMPOSITION, MOLDED ARTICLE AND STRUCTURE MEMBER FOR SOLAR PHOTOVOLTAIC POWER GENERATION - Provided are: a polycarbonate-based resin composition, including: (A) 100 parts by mass of a resin mixture formed of: 30 to 100 mass % of a PC-POS copolymer (A-1) which has constituent units represented by a general formula (I) and a general formula (II), and in which an average repetition number n of organosiloxane constituent units in the general formula (II) is 70 to 500; and 70 to 0 mass % of an aromatic polycarbonate resin (A-2) except the PC-POS copolymer (A-1); (B) 0.01 to 0.15 part by mass of an alkaline (earth) metal salt of an organic sulfonic acid; (C) 0.1 to 1 part by mass of a polytetrafluoroethylene having a fibril-forming ability; and (D) 2 to 15 parts by mass of titanium dioxide particles each having, on an outermost surface thereof, a coating layer formed of a polyol free of a nitrogen atom; a molded article obtained by molding the resin composition; and a structure member for solar photovoltaic power generation formed of the molded article. The polycarbonate-based resin composition, molded article, and structure member for solar photovoltaic power generation each have excellent flame retardancy and excellent tracking resistance without impairing a low-temperature impact characteristic which a PC-POS copolymer has. | 11-14-2013 |
20140106208 | POLYCARBONATE RESIN COMPOSITION FOR BATTERY PACK, AND BATTERY PACK - A polycarbonate resin composition for a battery pack, which comprises: 100 parts by mass of (A) a polycarbonate-based resin composed of 5 to 100 mass % of a polycarbonate-polyorganosiloxane copolymer (A-1) whose main chain is formed of a structural unit represented by the general formula (I) and a structural unit represented by the general formula (II), and that contains 2 to 10 mass % of a polyorganosiloxane block, and 0 to 95 mass % of an aromatic polycarbonate (A-2) except the copolymer (A-1); and 0.01 to 1 parts by mass of (B) a phosphorus-based antioxidant; and a battery pack formed by using the resin composition. | 04-17-2014 |
20140343200 | POLYCARBONATE RESIN COMPOSITION AND MOLDED ARTICLE - Provided is a polycarbonate resin composition including, with respect to 100 parts by mass of an aromatic polycarbonate resin mixture (A) consisting of 5 to 100 mass % of an aromatic polycarbonate-polyorganosiloxane copolymer (A-1) and 95 to 0 mass % of an aromatic polycarbonate resin (A-2) except the component (A-1), the aromatic polycarbonate resin mixture (A) having a content of a polyorganosiloxane unit is 1 mass % or more, 0.002 to 0.200 parts by mass of a phosphorus-based antioxidant (B) and 0 to 0.200 parts by mass of an epoxidation stabilizer (C), in which a reduction ratio P between the viscosity-average molecular weights of the resin composition before and after a pressure cooker test calculated from the calculation equation (I) is 20% or less. The polycarbonate resin composition can be a material for a molded body capable of maintaining its excellent impact-resisting performance at low temperatures for a long time period even when repeatedly used under a high-temperature and high-humidity environment, and its discoloration or the like hardly occurs even when the resin composition is retained at high temperatures. | 11-20-2014 |