Patents Assigned to Asahi Denka Co., Ltd.
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Patent number: 7645394Abstract: The antifreeze of the present invention is including propylene glycol, first material, and second material. The first material is normal aliphatic dicarboxylic acid in which number of carbon atoms is from 10 to 12, salt of the normal aliphatic dicarboxylic acid, or mixture thereof. The second material is benzimidazole compound which has a benzimidazole skeleton, salt of the benzimidazole compound, triazine compound which has a triazine skeleton and has a mercapto group, salt of the triazine compound, or mixture thereof. Such antifreeze has less environment load than antifreeze including ethylene glycol. Furthermore, such antifreeze does not cause metal to corrode more than the antifreeze including ethylene glycol.Type: GrantFiled: December 3, 2004Date of Patent: January 12, 2010Assignees: Honda Motor Co. Ltd., Asahi Denka Co., Ltd.Inventors: Susumu Matsuoka, Isao Shinoda, Yasuhiro Kishimoto
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Patent number: 7442735Abstract: A crystal nucleating agent composition comprising 100 mass parts of a crystal nucleating agent compound represented by the following general formula (I), -50 mass parts of a lithium salt of an organic fatty acid represented by the following general formula (II), and 5-50 mass parts of a metal salt of an organic fatty acid represented by the following general formula (III): (in the formula R1 and R2 are alkyl groups having 1-4 carbon atoms, R3 is a hydrogen atom or an alkyl group having 1-4 carbon atoms, R4, R5 are groups derived from an organic fatty acid having 10-30 carbon atoms, and M is a divalent metal atom).Type: GrantFiled: July 30, 2004Date of Patent: October 28, 2008Assignee: Asahi Denka Co., Ltd.Inventors: Etsuo Tobita, Kazukiyo Nomura, Naoshi Kawamoto
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Patent number: 7294660Abstract: An epoxy resin composition which comprises 100 parts by weight of an epoxy resin and 1 to 800 parts by weight of an aluminum borate whisker having an average fiber diameter of 0.25 ?m or less. The epoxy resin composition contains a large amount of the aluminum borate whisker being dispersed uniformly therein, is excellent in mechanical strength, and is suppressed with respect to the anisotropy of a mechanical property due to the direction of application.Type: GrantFiled: June 6, 2003Date of Patent: November 13, 2007Assignee: Asahi Denka Co., Ltd.Inventors: Seiichi Saito, Yoshihiro Fukuda, Takahiro Mori, Yoshinori Takahata
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Patent number: 7237565Abstract: A fluid feeding apparatus capable of excluding the outer environmental influences in feeding a fluid susceptible to contamination, decomposition or denaturation on contact with the outer environment. The includes comprises at least one liquid source container, a cleaning and/or diluting liquid container, a waste liquid collection container, an inert gas feed pipe A, an inert gas feed pipe B, an evacuation pipe connecting to a vacuum source, and a fluid feed pipe for introducing the fluid to a process. The source container has two pipes. The first pipe has valves arranged therein at positions nearer to and farther from the source container, respectively. The second pipe has two valves arranged therein at positions nearer to and farther from the container, respectively. The path between the valves 1 and 4 and the path between the valves 2 and 5 are connected via a connecting pipe C having a valve 3.Type: GrantFiled: October 6, 2004Date of Patent: July 3, 2007Assignees: Adeka Engineering & Construction Co., Ltd, Asahi Denka Co., LtdInventors: Akira Hioki, Satoshi Nakagawa, Akimasa Yajima
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Patent number: 7226981Abstract: An epoxy resin curing agent composition containing a ketimine compound prepared by the reaction between a polyoxypropylenediamine component and a ketone compound, wherein (1) the polyoxypropylenediamine component is a 9/1 to 6/4 (by weight) mixture of polyoxypropylenediamine having a molecular weight of 200 and 500 and polyoxypropylenediamine having a molecular weight of 1000 to 3000, (2) the ketimine compound has a degree of ketimination of 90% or higher, or (3) the reaction is carried out in the presence of a catalyst selected from (i) a combination of a tertiary amine and a sulfonic acid and (ii) a salt between a tertiary amine and a sulfonic acid.Type: GrantFiled: May 17, 2004Date of Patent: June 5, 2007Assignee: Asahi Denka Co., Ltd.Inventors: Naohiro Fujita, Ryo Ogawa, Shoji Kusano
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Patent number: 7169510Abstract: A nonaqueous electrolytic solution comprising an electrolyte salt dissolved in an organic solvent is disclosed. The nonaqueous electrolytic solution contains a silicon compound represented by formula (I): wherein R1 represents an alkenyl group having 2 to 10 carbon atoms; R2 and R3 each represent an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms or a halogen atom; and X represents a halogen atom.Type: GrantFiled: June 23, 2003Date of Patent: January 30, 2007Assignees: Denso Corporation, Asahi Denka Co., Ltd.Inventors: Naomi Awano, Kyohei Usami, Naohiro Kubota
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Publication number: 20060286483Abstract: A novel cyanine compound of general formula (I) showing thermal behaviors suitable for optical recording applications, an optical recording material containing the same, and an optical recording material containing the same. wherein ring A and B each represent a benzene or naphthalene ring that may be substituted; at least one of the pair of adjacent groups R1 and R2 and the pair of adjacent groups R3 and R4 represent a pair of benzyl groups, and the other paired groups each represent an alkyl group having 1 to 4 carbon atoms or are connected to each other to form a 3- to 6-membered ring; Y1 and Y2 each represent an organic group having 1 to 30 carbon atoms; Anm? represents an m-valent anion; m represents an integer 1 or 2; and p represents a coefficient for maintaing the charge neutrality.Type: ApplicationFiled: July 27, 2004Publication date: December 21, 2006Applicant: ASAHI DENKA CO., LTD.Inventors: Toru Yano, Koichi Shigeno, Mitsuhiro Okada
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Publication number: 20060275545Abstract: A tris(sec-butylcyclopentadienyl) complex of a rare earth metal represented by general formula (I). The complex is excellent in heat resistance and volatility and is liquid, which is advantageous for use as a thin film forming material. wherein M is a rare earth metal atom.Type: ApplicationFiled: August 2, 2004Publication date: December 7, 2006Applicant: Asahi Denka Co., Ltd.Inventors: Atsuya YOSHINAKA, Hiroki Sato, Ryusaku Fujimoto
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Patent number: 7132499Abstract: A polyester resin container with improved weatherability as well as colorlessness and heat resistance, made of a polyester resin composition comprising (A) 100 parts by weight of a polyester resin and (B) 0.01 to 10 parts by weight of a triazine ultraviolet absorber represented by formula (I): wherein R1 represents a straight-chain or branched alkyl group having 1 to 17 carbon atoms, which may have an alicyclic group at the terminal or in the chain thereof; and R2, R2?, R3, and R3? each represent a hydrogen atom or a methyl group.Type: GrantFiled: May 18, 2005Date of Patent: November 7, 2006Assignee: Asahi Denka Co., Ltd.Inventors: Etsuo Tobita, Yoshinori Negishi, Takahiro Horikoshi
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Publication number: 20060178454Abstract: Disclosed is a vinyl ether curing composition composed of a polyvalent vinyl ether compound and a polyvalent phenolic compound. This vinyl ether curing composition enables to form a cured product with low dielectric constant.Type: ApplicationFiled: July 15, 2004Publication date: August 10, 2006Applicant: Asahi Denka Co., Ltd.Inventor: Seiichi Saito
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Publication number: 20060173110Abstract: An acrylic sol composition comprising (a) acrylic polymer fine particles, (b) blocked polyurethane, (c) a polyamine compound containing at least one modification product derived from a polyether polyamine compound represented by formula (I): wherein X represents a residue of a di- to hexahydric polyol with m hydroxyl groups removed therefrom; A represents an alkylene group having 2 to 4 carbon atoms; B represents an alkylene group having 1 to 4 carbon atoms; m represents a number of 2 to 6; and n represents a number of 0 to 50; a plurality of A's, B's, and n's per molecule may be each the same or different, (d) a plasticizer, and (e) a filler. The composition generates neither hydrogen chloride nor dioxin when incinerated, exhibits high storage stability, cures at relatively low temperatures, and provides a coating film excellent in adhesion to a substrate, cold resistance, and strength.Type: ApplicationFiled: August 27, 2004Publication date: August 3, 2006Applicant: ASAHI DENKA CO., LTD.Inventor: Kazutaka Baba
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Publication number: 20060173101Abstract: An epoxy resin composition is disclosed which contains (A) 1-10 weight % of a polyvalent epoxy compound, (B) 1-10 weight % of a curing agent selected among cyanate compounds and benzoxazine compounds, (C) 0.1-5 weight % of a polyvalent phenolic compound and (D) 80-97.9 weight % of a spherical filler having an elastic modulus of 300 GPa or more. The epoxy resin composition has a void fraction of 3% or less and a high elastic modulus.Type: ApplicationFiled: March 5, 2004Publication date: August 3, 2006Applicant: Asahi Denka Co., Ltd.Inventors: Yoshinori Takahata, Takahiro Mori, Setsukp Hirakawa, Seiichi Saito
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Patent number: 7034102Abstract: A polylactic acid resin composition comprising 100 parts by weight of a polylactic acid, (A) 0 to 10 parts by weight of a phenol antioxidant, and (B) 0.Type: GrantFiled: April 26, 2004Date of Patent: April 25, 2006Assignees: Asahi Denka Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Etsuo Tobita, Naoshi Kawamoto, Tsuyoshi Urushihara, Hisashi Okuyama, Takeshi Kanamori
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Publication number: 20060055088Abstract: Novel aromatic sulfonium salt compounds of general formula (I), photo-acid generators comprising the same, and photo-polymerizable compositions containing the same, capable of providing stereolithographic resin compositions which do not suffer from the hindrance to curing by oxygen, can easily give shaped articles having desired sizes by virtue of the high accuracy thereof in curing, can attain a satisfactory curing depth owing to the high sensitivity thereof for radiant energy and can be employed for wide usage, such as photoresist and ink for foods-packing medium, since the release of benzene is suppressed; and a stereolithographic process, using said stereolithographic resin composition.Type: ApplicationFiled: September 25, 2003Publication date: March 16, 2006Applicant: ASAHI DENKA CO. LTD.Inventors: Tetsuyuki Nakayashiki, Hiroyuki Tachikawa
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Patent number: 7001647Abstract: A novel perfluoroallyloxy compound represented by general formula (I) and a liquid crystal composition containing the compound are disclosed.Type: GrantFiled: December 4, 2003Date of Patent: February 21, 2006Assignee: Asahi Denka Co., Ltd.Inventors: Hirokatsu Shinano, Takahiro Otsuka, Masatomi Irisawa
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Publication number: 20060025544Abstract: A polyester plasticizer which is obtained by reacting a diol component (a) consisting of 100 parts by mole of 2-methyl-1,3-propanediol, 10 to 1000 parts by mole of 3-methyl-1,5-pentanediol and 0 to 1000 parts by mole of other aliphatic diol with an organic dicarboxylic acid components (b) consisting of 100 parts by mole of adipic acid and 0 to 100 parts by mole of other organic dicarboxylic acid and a chain terminator (c) consisting of a monovalent aliphatic alcohol or a monovalent aliphatic organic acid and which has an average molecular weight of 500 to 5000. This plasticizer is excellent in plasticizing efficiency and can impart excellent oil resistance to synthetic resins such as chlorine-containing resins.Type: ApplicationFiled: October 29, 2003Publication date: February 2, 2006Applicant: ASAHI DENKA CO., LTDInventors: Shinji Koube, Kiyotatsu Iwanami, Teruo Arai, Tomoki Honda
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Publication number: 20050282995Abstract: A polyester resin container with improved weatherability as well as colorlessness and heat resistance, made of a polyester resin composition comprising (A) 100 parts by weight of a polyester resin and (B) 0.01 to 10 parts by weight of a triazine ultraviolet absorber represented by formula (I): wherein R1 represents a straight-chain or branched alkyl group having 1 to 17 carbon atoms, which may have an alicyclic group at the terminal or in the chain thereof; and R2, R2?, R3, and R3? each represent a hydrogen atom or a methyl group.Type: ApplicationFiled: May 18, 2005Publication date: December 22, 2005Applicant: ASAHI DENKA CO., LTD.Inventors: Etsuo Tobita, Yoshinori Negishi, Takahiro Horikoshi
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Publication number: 20050256234Abstract: A flame retardant composition includes, as essential components having two specified types of phosphate compounds; silicon dioxide or metal oxides; and at least one member selected from among higher aliphatic carboxylic acids, metal salts of higher aliphatic carboxylic acid, higher fatty acid amide compounds, and esters between mono- or polyhydric alcohols and higher aliphatic carboxylic acids. This flame retarder composition is free from secondary agglomeration, and does not need incorporation of a halogenated flame retarder that when blended in a synthetic resin, releases harmful gas at combustion. The flame retardant composition enables imparting flame retardant properties to synthetic resins with the use of a small amount of flame retarder.Type: ApplicationFiled: June 11, 2003Publication date: November 17, 2005Applicant: ASAHI DENKA CO., LTDInventors: Haruki Kurumatani, Akihiro Yamaki, Ryoji Kimura
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Publication number: 20050234194Abstract: An acrylic sol composition comprising acrylic polymer fine particles(a), block polyurethane(b), a piasticizer(c), and a filler(d), characterized in that the block polyurethane(b) is one obtained from a polyol and a diisocyanate in nurate form. The acrylic sol composition is free from generation of hydrogen chloride gas and dioxin at combustion; is excellent in storage stability; can be hardened at relatively low temperature; and is excellent in the adherence of coating film to a substrate and the cold resistance and strength of coating film.Type: ApplicationFiled: May 27, 2003Publication date: October 20, 2005Applicant: ASAHI DENKA CO., LTDInventors: Yasuo Saiga, Kazutaka Baba
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Publication number: 20050155514Abstract: A plating bath additive and a plating bath using the said additive are provided, which plating bath contains a hydroxyalkanesulfonic acid and which even when applied to an electronic part such as a semiconductor device does not give rise to a problem such as circuit-to-circuit insulation becoming defective. The plating bath additive contains a hydroxyalkanesulfonic acid as a main component and has an alkali metal content of less than 0.05 mass % relative to the hydroxyalkanesulfonic acid. The plating bath incorporates the said additive therein.Type: ApplicationFiled: January 14, 2005Publication date: July 21, 2005Applicant: Asahi Denka Co. Ltd.Inventors: Hiromitsu Kobayashi, Hirohisa Nito, Hiromasa Kawamata