Patents Assigned to Mitsui
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Patent number: 6881788Abstract: Polyurethane resin water dispersion being good in storage stability and excellent in initial adhesion and resistance to moist heat, and aqueous polyurethane adhesive employing the polyurethane resin water dispersion. The polyurethane resin water dispersion is produced in the manner that polyisocyanate is allowed to react with polycaprolactone polyol comprising polycaprolactone polyol having a number average molecular weight of not less than 3,000 and active-hydrogen-group-containing compound having anionic group, to synthesize isocyanate terminated prepolymer, first, and, then, the isocyanate terminated prepolymer thus produced is allowed to react with polyamine in water. The use of the polyurethane resin water dispersion can produce the aqueous polyurethane adhesive having improved storage stability, initial adhesion and resistance to moist heat.Type: GrantFiled: August 15, 2002Date of Patent: April 19, 2005Assignee: Mitsui Takeda Chemicals, Inc.Inventors: Hyoue Shimizu, Hiroyuki Shiraki
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Patent number: 6882120Abstract: A clutch includes a moving gear member 65 being rotated integrally with a wheel at all times and engaged with a fixed gear member 69 when it is moved in a first direction and disengaged from the fixed gear member when it is moved in a second direction, an armature 61 pushing out the moving gear member 65 in the first direction when it is rotated relatively to the moving gear member 65, and an electromagnetic coil portion 60 that applies brake resistance to the armature 61 by attracting the armature 61 by magnetic force to restrict a concurrently-rotating-state of the armature 61 and the moving gear member 65.Type: GrantFiled: July 2, 2003Date of Patent: April 19, 2005Assignee: Mitsui Kinzoku Kogyo Kabushiki KaishaInventor: Kazuhito Yokomori
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Publication number: 20050080150Abstract: The present invention provides a vulcanized foamed rubber molded product which has surface smoothness equal to or higher than that of a non-foamed vulcanized rubber molded product, has excellent mechanical strength properties, compression set resistance and abrasion resistance and a non-foamed vulcanized rubber molded product which is superior in surface smoothness to a conventional non-foamed vulcanized rubber molded product and has excellent compression set resistance, mechanical strength properties and abrasion resistance, as well as a method of producing the same. The molded product of the present invention is characterized in that the amount of sulfur atoms present in the surface thereof is at least 1.2 times as high as the amount of sulfur atoms present in a cut face obtained by cutting the surface to a depth of 1.0 mm in the vertical direction.Type: ApplicationFiled: September 14, 2004Publication date: April 14, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Hidenari Nakahama, Mikio Hosoya, Masaaki Kawasaki
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Patent number: 6877280Abstract: A control method of a powered sliding device for sliding a vehicle sliding door slidably attached to a vehicle body with the power of a motor in the door opening direction and in the door closing direction, wherein when a first abnormal sliding of the sliding door is detected during the door closing sliding of the sliding door by the door closing rotation of the motor, the motor is rotated again in the door closing direction after being stopped for a specified time, and after that, the re-judgment of the abnormal sliding is performed, and when the abnormal sliding is again detected in the re-judgment, safety processing operation is performed.Type: GrantFiled: October 16, 2002Date of Patent: April 12, 2005Assignee: Mitsui Kinzoku Kogyo Kabushiki KaishaInventor: Kazuhito Yokomori
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Patent number: 6879026Abstract: An adhesive film for protecting the surface of a semiconductor wafer wherein the adhesive layer is formed on one surface of a substrate film, the substrate film comprising at least one layer which satisfies the following requisites (A) and at least one of (B) or (C): requisite (A): high elastic modulus properties in which the storage modulus is 1×109 Pa to 1×1010 Pa under the total temperature range of from 18 to 50° C. requisite (B): high elastic modulus properties in which the storage modulus within at least part of the temperature range of from 50 to 90° C. is not more than 1×108 Pa. requisite (C): high elastic modulus properties with expansibility by water absorption in which the size-changing ratio by absorbing water for four hours is 0.05 to 0.5% at 23° C. and 90% RH.Type: GrantFiled: January 10, 2003Date of Patent: April 12, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Hideki Fukumoto, Takanobu Koshimizu, Makoto Kataoka, Yoshihisa Saimoto
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Patent number: 6878497Abstract: A toner additive comprising a polymer of at least one monomer selected from the group consisting of vinyltoluene, ?-methyl styrene and isopropenyl toluene, which has a ring and ball softening point of 130-170° C., or a copolymer of styrene and at least one kind of monomer selected from the above group which has a ring and ball softening point of 110-170° C. By adding such toner additive to a toner, an electrostatic image developing toner which has excellent pulverizability in the pulverizing process and does not fuse to equipment can be obtained. In addition, such toner additive does not affect the fundamental performances of a toner such as electrostatic performance, fixing performance, color, etc. Therefore, an electrostatic image developing toner and electrostatic image developer capable of producing a high quality image can be obtained at a low cost.Type: GrantFiled: May 30, 2003Date of Patent: April 12, 2005Assignee: Mitsui Chemicals, Inc.Inventor: Taiji Kameoka
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Publication number: 20050074857Abstract: A method for producing a pyrimidine nucleoside compound includes reacting a sugar phosphate and pyrimidine base derivative using an enzyme having cytosine nucleoside phosphorylase activity, the pyrimidine base derivative being represented by general formula (I): (wherein R1 represents an amino group that may be replaced with an acyl group having an alkyl group of 1 to 3 carbon atoms or an alkyl group of 1 to 3 carbon atoms, an alkyl group of 1 to 3 carbon atoms, or a thiol group; R2 represents an amino group, a thiol group, a hydroxyl group, or a hydrogen atom; R3 represents an alkyl group of 1 to 3 carbon atoms that may be replaced with a hydroxyl group, an amino group, or a hydrogen atom; R4 represents a hydroxyl group or a hydrogen atom; when R1 is an amino group, when R2 is a hydroxyl group, and when R4 is a hydrogen atom; R3 is neither an alkyl group of 1 to 3 carbon atoms nor a hydrogen atom).Type: ApplicationFiled: July 15, 2004Publication date: April 7, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Tadashi Araki, Hitoki Miyake, Toshihiro Oikawa
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Publication number: 20050074631Abstract: An electroluminescent element in which at least one layer containing at least one of novel hydrocarbon compounds with an anthracene ring and a fluorene ring directly bound is held between a pair of electrodes. The compounds can advantageously be used in a luminescent element and provide an organic electroluminescent element having an excellent luminescent efficiency and a long luminescent life.Type: ApplicationFiled: September 1, 2004Publication date: April 7, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Tsutomu Ishida, Takehiko Shimamura, Yoshiyuki Totani, Masakatsu Nakatsuka
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Publication number: 20050074207Abstract: An optical waveguide having means for performing optical coupling with high efficiency at a predetermined position in an optical circuit substrate and which optionally includes an optical-electrical circuit board. Also provided are an optical waveguide, an optical path thereof being changed in an optical circuit at a steep angle and the optical waveguide for performing coupling and splitting of light being decreased in size in the optical circuit. The optical waveguide has a core and a cladding layer, and a wall surface, which is formed by cutting out at least a part of the core in a thickness direction of the core through irradiation of a laser beam and crosses at least a part of the core, which is a specular surface.Type: ApplicationFiled: September 17, 2004Publication date: April 7, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Tsuyoshi Shioda, Kenji Suzuki
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Patent number: 6875718Abstract: The invention provides olefin polymerization catalysts exhibiting excellent polymerization activities, a process for olefin polymerization using the catalysts, a novel transition metal compound useful for the catalysts, and ?-olefin/conjugated diene copolymers having specific properties. The olefin polymerization catalysts of the invention contain (A) a transition metal compound of formula (I), and (B) an organometallic compound, an organoaluminum oxy-compound or an ionizing ionic compound. The novel transition metal compounds of the invention are compounds of formula (I) wherein M is a transition metal atom of Group 3 or 4 of the periodic table; R1 is a hydrocarbon group, etc.; R2 to R5 are each H, a halogen, a hydrocarbon group, etc.; R6 is a halogen, a hydrocarbon group, etc.Type: GrantFiled: August 31, 2001Date of Patent: April 5, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Terunori Fujita, Yasushi Tohi, Makoto Mitani, Shigekazu Matsui, Junji Saito, Masatoshi Nitabaru, Kiyoaki Sugi, Haruyuki Makio, Toshiyuki Tsutsui
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Patent number: 6875860Abstract: This invention provides a method for efficiently purifying 5?-protected thymidines which cannot be efficiently purified by the prior art. Impurities can be separated by obtaining crystals including a carbonyl-containing solvent to provide a highly pure 5?-protected thymidine. Thus, this invention allows 5?-protected thymidines, which cannot be purified in an industrial scale by the prior art, to be easily provided with a high purity in a large scale.Type: GrantFiled: May 15, 2002Date of Patent: April 5, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Hironori Komatsu, Toshiyuki Kouno, Katsutoshi Tsuchiya, Hiroharu Tanikawa, Hiroki Ishibashi
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Patent number: 6875815Abstract: Disclosed is a thermosetting powder coating composition comprising (A) a glycidyl group-containing acrylic resin obtained by (co)polymerizing monomers containing an ethylenically unsaturated monomer having a glycidyl group and/or a ?-methylglycidyl group, (B) a polycarboxyl curative, and (C) an alcohol adduct of a styrene/maleic anhydride copolymer. Also disclosed are a cross-linked cured film of the composition and a process for preparing the composition. According to the invention, blending efficiency and dispersibility of the components of a powder coating, particularly those between the resin component and the curative component, are improved without changing a conventional production process of a powder coating, i.e., a process consisting of melt blending, cooling solidification, pulverization and sieving, and thereby a thermosetting powder coating composition, which is capable of forming a cross-linked cured film improved in appearance properties (high gloss, etc.Type: GrantFiled: May 28, 2003Date of Patent: April 5, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Mitsuyuki Mizoguchi, Yoshiharu Hirose
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Patent number: 6875819Abstract: The present invention is to provide a fluorine-containing polymer having excellent light transmission in the vacuum ultraviolet region of not more than 193 nm, a monomer favorably used for preparing the fluorine-containing polymer, a process for preparing the fluorine-containing polymer, and uses of the fluorine-containing polymer. The fluorine-containing polymer has at least a repeated unit structure represented by the following formula (1) and has an absorption coefficient of not more than 3.0 ?m?1 at 157 nm of ultraviolet rays. wherein R1 to R12 are each fluorine, a fluorine-containing alkyl group of 1 to 20 carbon atoms, or the like; X1 is —CRaRb—, —NRa— or —PRa— (Ra and Rb are each fluorine, a fluorine-containing alkyl group of 1 to 20 carbon atoms, hydrogen, —O—, —S—, an alkyl group of 1 to 20 carbon atoms, or the like); at least one of R1 to R12 and X1 is fluorine or a fluorine-containing group; and n is 0 or an integer of 1 to 3.Type: GrantFiled: April 25, 2002Date of Patent: April 5, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Tadahiro Sunaga, Hiroshi Kouno, Kazumori Kawamura, Takashi Ochiai, Shigeto Shigematsu, Takashi Nakano, Tomoyuki Morita, Yoshihiro Yamamoto, Hirofumi Io
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Publication number: 20050068648Abstract: A transparent and conductive laminate that is substantially decreased in reactive defects, and a display filter, a heat-ray reflecting film and an electromagnetic wave-shielding film comprising the laminate are provided. The laminate includes a transparent substrate, a transparent conductive thin-film layer containing silver, and a protective layer containing a binder material and inorganic fine particles, wherein the transparent conductive thin-film layer is in contact with the protective layer. The generation of reflective defects can be outstandingly reduced. Therefore, a laminate superior in electromagnetic wave-shielding ability, heat-ray reflecting ability and visibility for a long period of time and products comprising the laminate can be obtained.Type: ApplicationFiled: July 16, 2004Publication date: March 31, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Masaaki Yoshikai, Satoru Okada, Hirokazu Mizuma, Yukinori Asakawa, Tomoaki Ito, Masanari Ota
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Patent number: 6869788Abstract: This invention provides a novel D-aminoacylase obtained by cloning a DNA encoding the novel D-aminoacylase from Methylobacterium mesophilicum MT 10894, etc. and which shows sufficiently high activity at an industrially useful substrate concentration to allow a D-amino acid to be efficiently produced from an N-acyl-DL-amino acid; a DNA encoding the D-aminoacylase; a process for producing a D-amino acid from the corresponding N-acylamino acid using a transformant containing the DNA.Type: GrantFiled: February 1, 2002Date of Patent: March 22, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Masami Osabe, Katsuyuki Takahashi, Toshifumi Yamaki, Teruo Arii, Toshihiro Oikawa
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Patent number: 6870003Abstract: A process for producing modified thermoplastic resin by subjecting a thermoplastic resin to a modifying reaction in a molten state, comprising performing the modifying reaction using carbon dioxide as the reaction medium, wherein carbon dioxide is used in a proportion of 2-200 parts by weight per 100 parts by weight of the thermoplastic resin, whereby the efficiency and the uniformity of the reaction can be increased to a high extent while attaining considerable decrease in the remaining amount of the unreacted components in the resulting modified thermoplastic resin without having recourse to the use of an organic reaction solvent, so that the production can be realized easily at a low cost in an efficient manner.Type: GrantFiled: February 25, 2002Date of Patent: March 22, 2005Assignee: Mitsui Chemical, Inc.Inventors: Shigeo Nishikawa, Haruo Inoue, Naohiro Yamada
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Patent number: 6866939Abstract: The present invention relates to a laminated material characterized in that, in the laminated material wherein a polyolefinic thermoplastic elastomer(B) containing an oily softening agent is laminated on the surface layer comprising a polyolefinic thermoplastic elastomer(A) containing an oily softening agent, the ratio(a) of the oily softening agent to the amorphous component(or to the total of the amorphous component and polyethylene if polyethylene is incorporated) in the thermoplastic elastomer(A) and the ratio(b) of the oily softening agent to the amorphous component(or to the total of the amorphous component and polyethylene if polyethylene is incorpirated) in the thermoplastic elastomer(B) satisfy the following requisites; ratio(a)?ratio(b), ratio(a)=5 to 200 wt. %, and ratio(b)=5 to 200 wt. %, and relates to a glass-run channel, and a roof molding, side molding and window molding for automobiles comprising the laminated material.Type: GrantFiled: August 28, 2000Date of Patent: March 15, 2005Assignee: Mitsui Chemicals, Inc.Inventor: Masato Karaiwa
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Publication number: 20050054042Abstract: A novel gluconate dehydratase derived from Achromobacter xylosoxidans and a gene encoding the gluconate dehydratase are provided. By reacting the gluconate dehydratase or a transformed cell containing the gene with an aldonic acid, the corresponding 2-keto-3-deoxyaldonic acid can be efficiently produced.Type: ApplicationFiled: July 8, 2004Publication date: March 10, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Hitoki Miyake, Toshifumi Yamaki, Toshihiro Oikawa, Takeshi Nakamura, Hiroki Ishibashi, Yasushi Fukuiri, Atsushi Sakuma, Hironori Komatsu, Tomoyuki Ando, Kazuhiko Togashi, Hideki Umetani
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Patent number: 6864315Abstract: The crosslinkable rubber composition of the invention is crosslinkable by hot air, and a hot-air crosslinked rubber sheet thereof has no scratch on the surface in a hardness test using a pencil of HB and has a compression set of not more than 70% after a heat treatment at 150° C. for 22 hours. The rubber composition comprises an ethylene/?-olefin/non-conjugated polyene random copolymer rubber comprising a specific vinyl end group-containing norbornene compound, a SiH group-containing compound having at least two SiH groups in one molecule, and if necessary, an addition reaction catalyst comprising a platinum group element and a reaction inhibitor. The automobile weatherstrip, hose, rubber vibration insulator, belt, sealing material, expanded product, covered electric wire, electric wire joint, electric insulating part and household rubber product according to the invention comprise the above-mentioned rubber composition.Type: GrantFiled: March 14, 2000Date of Patent: March 8, 2005Assignees: Mitsui Chemicals, Inc., Shin-Etsu Chemical Co., Ltd.Inventors: Takashi Hakuta, Masaaki Kawasaki, Yoshiharu Kikuchi, Hidenari Nakahama, Taku Koda, Hiroshi Kameda, Shuichi Nonaka, Mikio Hosoya, Yuji Ishii, Mitsunao Arino, Tsutomu Nakamura, Satao Hirabayashi, Takeo Yoshida
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Patent number: 6865484Abstract: A GPS positioning system that has: at least one mobile station to measure a positional coordinate by receiving radio wave from a satellite; a plurality of fixed stations that have predetermined positional coordinates and receive radio wave from the satellite; and arithmetic processing means, which is connected with at least one mobile station and a plurality of fixed stations via communication, and that transmits correction data suitable for the mobile station to the mobile station based on positioning data transmitted from the mobile station.Type: GrantFiled: April 10, 2002Date of Patent: March 8, 2005Assignees: Mitsui & Co., Ltd., Kabushiki Kaisha TopconInventors: Koji Miyasaka, Masakazu Mori, Kazuyuki Sakaki, Kenichi Takasu, Yuji Kobayashi