Patents Assigned to Mitsui
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Patent number: 6925942Abstract: A control method of a powered sliding device for a vehicle sliding door, wherein when an operating switch for starting a powered sliding device is pressed to open the door, and if the vehicle speed is about 3 km/h or less and the foot brake or the parking brake is operated, the decelerating state of the vehicle just before is confirmed, and when the decelerating state does not correspond to the quick braking, the powered sliding device is started.Type: GrantFiled: October 31, 2002Date of Patent: August 9, 2005Assignee: Mitsui Kinzoku Kogyo Kabushiki KaishaInventor: Kazuhito Yokomori
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Patent number: 6927242Abstract: A resin composition of the present invention is obtainable by adding a photo-polymerization initiator (d) to a resin solution (a) containing a modified product of a thermoplastic resin (A). The modified product is prepared by conducting radical polymerization of the thermoplastic resin (A) with a (co)polymer (B) of a copolymerizable monomer (C) comprising a monomer having an ?,?-mono-ethynically unsaturated group, or the monomer and other copolymerizable monomers in a weight ratio (A)1(B) of 1/9 to 9/1, in an organic solvent, or by conducting polymerization of a copolymerizable monomer (C) comprising a monomer having an ?,?-mono-ethylenically unsaturated group, or the monomer and other copolymerizable monomers in a weight ratio (A)/(C) of 1/9 to 9/1, in an organic solvent in the presence of the thermoplastic resin (A), and then conducting radical polymerization thereof. A paint including the resin composition and a process for forming a coating film are also disclosed.Type: GrantFiled: January 15, 2002Date of Patent: August 9, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Keiichi Asami, Tsukasa Murakami, Yugo Hasegawa
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Publication number: 20050170270Abstract: A composition for forming a film for protecting wiring which in one aspect includes a polyimide precursor, a compound having at least two photopolymerizable groups, and a photopolymerization initiator, wherein the polyimide precursor includes a polyimide precursor obtained from a diamine component comprising a defined diamine compound. In other aspects, a dry film for forming a wiring-protecting film using the composition and a substrate having wiring protected by means of the dry film are provided.Type: ApplicationFiled: March 2, 2005Publication date: August 4, 2005Applicant: MITSUI CHEMICALS, INC.Inventors: Katsuhiko Funaki, Shuji Tahara, Kazuhito Fujita, Takeshi Tsuda, Etsuo Ohkawado
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Publication number: 20050167818Abstract: Provision of a releasing layer transfer film which can form, in a simple manner, a releasing layer on a COF flexible printed wiring board, the releasing layer preventing melt adhesion of an insulating layer to a heating tool, thereby enhancing productivity and reliability of semiconductor devices produced by use of a semiconductor chip mounting line. The releasing layer transfer film 1 for forming a releasing layer onto an insulating layer serving as a component layer of a COF flexible printed wiring board, the releasing layer transfer film includes a transfer film substrate 2 and a transferable releasing layer 3 provided on a surface of the transfer film substrate 2, wherein the transferable releasing layer 3 is formed from a releasing agent and can be transferred onto the insulating layer.Type: ApplicationFiled: March 11, 2003Publication date: August 4, 2005Applicant: MITSUI MINING & SMELTING CO., LTD.Inventors: Ken Sakata, Katsuhiko Hayashi
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Publication number: 20050161149Abstract: A method of forming a dielectric layer containing dielectric filler, which is excellent in film thickness uniformity, from a polyimide electrodeposition liquid containing dielectric filler. In particular, a method of forming a polyimide coating container dielectric filler on a surface of metallic material according to the electrodeposition coating technique, characterized in that as the dielectric filler, use is made of dielectric powder of perovskite structure in approximately spherical form which has an average particle diameter (D1A) of 0.05 to 1.0 ?m and a weight cumulative particle diameter (D50), measured in accordance with the laser diffraction scattering type particle size distribution measuring method, of 0.1 to 2.0 ?m and further exhibits an aggregation degree, in terms of D50/D1a wherein D50 and D1a represent a weight cumulative particle diameter and an average particle diameter obtained by image analysis, respectively, of 4.5 or less.Type: ApplicationFiled: June 27, 2003Publication date: July 28, 2005Applicant: Mitsui Mining & Smelting Co.,Inventors: Toshiko Yokota, Susumu Takahashi, Hideaki Matsushima, Makoto Dobashi, Takuya Yamamoto
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Publication number: 20050164509Abstract: The present invention is to provide a protecting method for a semiconductor wafer and an adhesive film for protection of a semiconductor wafer which makes it possible to straighten or avoid warpage in a semiconductor wafer and to prevent breakage of wafers during conveyance of wafers even if the thickness of a semiconductor wafer is thinned to approximately 150 ?m or less.Type: ApplicationFiled: January 27, 2005Publication date: July 28, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Takanobu Koshimizu, Makoto Kataoka, Masafumi Miyakawa, Hideki Fukumoto, Yoshihisa Saimoto
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Patent number: 6920778Abstract: A device placed in a tank and used for detecting a leakage of liquid in the tank. Vertical measurement tube passages (10, 14) into which the liquid in the tank is introduced have a measurement tube (10) and a measurement thin tube (14). The measurement thin tube (14) communicates with the measurement tube and is located lower than the measurement tube. The measurement thin tube has a cross-sectional area that is equal to or smaller than {fraction (1/50)} of that of the measurement tube. A thermal flow sensor (16) used for measuring a liquid flow rate is attached to the measurement thin tube (14). There is provided leakage detecting means (22) for detecting a leakage of liquid in the tank according to the flow rate value measured by the sensor. The leakage detecting means generates a leakage detection signal when a flow rate value measured by the sensor is within a range greater than 0 and smaller than the flow rate value obtained when liquid is added to the tank or when the liquid in the tank is taken out.Type: GrantFiled: December 13, 2002Date of Patent: July 26, 2005Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Atsushi Koike, Kiyoshi Yamagishi, Takayuki Takahata, Toshimi Nakamura, Toshiaki Kawanishi
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Publication number: 20050159067Abstract: The present invention is to provide a hydrophilic nonwoven fabric which can reveal hydrophilicity even after exposure to high temperature. The hydrophilic nonwoven fabric comprising an olefinic polymer containing a hydrophilic agent is characterized in that hydrophilicity can be revealed after heating treatment for an hour at 60° C. The nonwoven fabric is manufactured by using an olefinic polymer (B) and a master batch where a hydrophilic agent is included in an olefinic polymer (A), wherein an MFR (melt flow rate) of a master batch is preferably the same as or lower than the MFR of an olefinic polymer composition forming the nonwoven fabric.Type: ApplicationFiled: November 5, 2004Publication date: July 21, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Naosuke Kunimoto, Yoshihisa Kawakami
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Publication number: 20050154132Abstract: 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: ApplicationFiled: December 3, 2004Publication date: July 14, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Takashi Hakuta, Masaaki Kawasaki, Yoshiharu Kikuchi, Tsutomu Nakamura, Satao Hirabayashi, Takeo Yoshida
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Publication number: 20050150167Abstract: The present powered sliding device includes a wire drum (16) connected to a vehicle sliding door (11) through wire cables (18, 19), a motor (14) for rotating the wire drum, a clutch mechanism (25) provided between the motor and the wire drum, a first rotational member (85) rotated integrally with the wire drum, first detection means (86) for detecting the rotation of the first rotational member, and a housing (74). The housing includes a first space (76) accommodating the wired drum and communicating with the outside of the housing through the wire cables and a second space accommodating the first rotational member and the first detection means, and a housing body (73) provided between the first space and the second space for zoning the first space and the second space.Type: ApplicationFiled: September 24, 2002Publication date: July 14, 2005Applicant: Mitsui Kinzoku Kogyo Kabushiki KaishaInventor: Kazuhito Yokomori
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Publication number: 20050153127Abstract: An adhesive tape having an adhesive layer formed on one side of a substrate layer, which renders it possible to minimize the extent of development of chipping or fragmentation (nicks) or crack in chip when the silicon wafer, to which this tape is adhered, is cut into chips using a dicer. The adhesive layer of the tape has a storage modulus G? of 1 MPa or more at a temperature of 15 to 35° C., and preferably tan ? as represented by the ratio of a loss modulus G? to the storage modulus G? is 0.05 or less. The adhesive layer is preferably constructed principally of an olefin polymer.Type: ApplicationFiled: December 6, 2004Publication date: July 14, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Shin Aihara, Hitoshi Koga
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Publication number: 20050151296Abstract: Provided is a lactic acid-based resin composition that comprises a lactic acid-based resin (component (A)), and an ethylene-unsaturated carboxylic acid copolymer (component (B)) and/or an ethylene-unsaturated carboxylic acid copolymer ionomer (component (C)). The lactic acid-based resin composition has good physical properties in melt and can be efficiently formed into films and laminates through casting or extrusion lamination. The paper laminates obtained through extrusion lamination with the resin composition have good moisture barrier property, and have the advantages of good antibacterial ability, good biodegradability and low combustion heat. And the moldings obtained from the resin composition of the invention have a characteristic which is excellent in impact strength. Further, the films and sheets formed of the resin composition have good low-temperature heat-sealability and hot-tack sealability, and the resin composition well serves as a sealant.Type: ApplicationFiled: March 28, 2003Publication date: July 14, 2005Applicants: Mutsui Chemicals, Inc., Du Pont-Mitsui Polychemicals Co., Ltd.Inventors: Shoji Obuchi, Nobuyuki Maki, Hitoshi Tachino
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Patent number: 6916898Abstract: A process of preparing a polyimide of the present invention comprises effecting an imidization reaction of a diamine and a tetracarboxylic dianhydride in a solvent containing 50 to 100% by weight of an equimolar composition of a nitrogen-containing cyclic compound indicated by chemical formula (1) below and a phenol indicated by chemical formula (2) below: in formula (1), X represents —CH2— or —N(CH3)—, and in formula (2), R1 and R2 may be the same as, or different from, each other and represent each any one of —H, —OH, —CH3, —C2H5, —C3H7, —C4H9, —C5H11, —C6H13, —C7H15, —C8H17, —C9H19, —C10H21, —OCH3, —O(C6H5), —NO2, —Cl, —Br and —F.Type: GrantFiled: March 13, 2001Date of Patent: July 12, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Takashi Kuroki, Atsushi Shibuya, Shoji Tamai
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Patent number: 6917275Abstract: The present invention provides a magnetic core whose outer surface has been coated without handling brittle ribbon to thereby impart insulating properties and shape retention properties to the magnetic core after annealing heat treatment, and further provides an adhesive resin composition for a magnetic core, which is useful for efficiently producing the above-mentioned magnetic core without using any organic solvent and which per se is stable to heat and elapse of time. By forming a coating film having a certain thickness or more on an outer surface using a composition containing a resin of specific properties, there can be obtained a magnetic core whose outer surface has been coated without handling brittle ribbon to thereby impart insulating properties and shape retention properties to the magnetic core after annealing heat treatment.Type: GrantFiled: April 12, 2002Date of Patent: July 12, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Takashi Ono, Mitsunobu Yoshida, Nobuhiro Maruko, Takashi Kuroki, Shoji Tamai, Kouichi Kanayama, Hiroshi Watanabe
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Patent number: 6916588Abstract: A binder for a toner containing a polyester resin (A); and a block copolymer (B) comprising a block comprising a sequence of ethylene hydrocarbon and/or a conjugated diene hydrocarbon-derived constituent units, and a block comprising a sequence of styrene-derived constituent units; and/or the hydrogenated product of the block copolymer, i.e., the hydrogenated block copolymer. The binder can be used in a toner which can exhibit superior fixing properties, offset resistance, development durability or the like. Thus, it is possible to satisfy the needs of the markets that require a high-speed printer, low-temperature fixing properties or the like. Recycled PET products can also be used for raw materials, thus contributing to the recycle society.Type: GrantFiled: May 30, 2003Date of Patent: July 12, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Hirotaka Uosaki, Hiroyuki Takei
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Patent number: 6914112Abstract: An ethylene-based copolymer is useful as a modifier for resins, e.g., polypropylene, and can be used in an ethylene/?-olefin copolymer composition containing the same ethylene-based copolymer. The inventive copolymer is characterize by: (a-1) having temperature (Tm) at the maximum peak in the endothermic curve, measured by a differential scanning calorimeter (DSC), of 40 to 90° C., (a-2) containing the component soluble in decane at normal temperature at 1 to 70% b weight, and (a-3) containing the component soluble in decane at normal temperature which comprises (i) a recurring unit derived from ethylene and (ii) a recurring unit derived from an ?-olefin of 4 or more carbon atoms, and in which a content of (i) the recurring unit derived from ethylene is 50 to 75% by mole.Type: GrantFiled: May 15, 2001Date of Patent: July 5, 2005Assignee: Mitsui Chemical, Inc.Inventors: Ryoji Mori, Kouichi Kizu, Keiji Okada, Kazuyuki Takimoto
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Patent number: 6913298Abstract: An anti-panic mechanism comprises a lock lever displaceable between an unlocked position and a locked position, an over center spring urging the lock lever to either side of the unlocked position and locked position with a dead point, an open link displaceable between an engaging position and a non-engaging position, an output member displacing the lock lever by a motor, an anti-panic spring urging the open link toward the engaging position from the non-engaging position, a connecting lever connecting the open link to the lock lever. The connecting lever releases the open link before the lock lever crosses over the dead point of the over center spring when the output member is rotated in the unlocking direction.Type: GrantFiled: December 15, 2003Date of Patent: July 5, 2005Assignee: Mitsui Kinzoku Kogyo Kabushiki KaishaInventor: Jiro Inoue
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Patent number: 6913798Abstract: A sealant composition for a plastic liquid crystal display cell is composed of a two-component epoxy resin composition of a base resin liquid and a curing agent liquid, wherein the base resin is a liquid epoxy resin having from 1.7 to 6 in weight average of epoxy groups in one molecule and an ionic conductivity of 2 mS/m or less; and the curing agent has an ionic conductivity of 0.6 mS/m or less. The sealant composition facilitates the fabrication of plastic liquid crystal displays having enhanced durability and sealant properties, particularly in high temperature and high humidity environments.Type: GrantFiled: June 21, 2001Date of Patent: July 5, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Tadashi Kitamura, Hiroshi Kondo, Sunao Maeda
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Publication number: 20050142322Abstract: An optical recording medium containing in the recording layer a dipyrromethene-metal chelate compound of which the initial principal weight loss temperature is thermogravimetrically from 330° C. through 500° C. inclusive, capable of high speed and high density recording and playback with a laser having a wavelength of 520 to 690 nm.Type: ApplicationFiled: March 27, 2003Publication date: June 30, 2005Applicants: Mitsui Chemicals, Inc., Yamamoto Chemicals, IncInventors: Taizo Nishimoto, Shinobu Inoue, Tsutami Misawa, Ryosuke Nara, Yuji Inatomi, Shunsuke Murayama, Tadashi Koike, Yasunori Saito, Shinichi Nakagawa
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Publication number: 20050143581Abstract: An alkoxybenzamide represented by the general formula (3): (wherein R1, R2, R3, R4, and R5 independently indicate a hydrogen atom, an alkyl group having one to six carbon atoms, or an alkoxy group having one to six carbon atoms; if R3 indicates a hydrogen atom or an alkyl group having one to six carbon atoms, R1 indicates an alkoxy group having one to six carbon atoms and R4 indicates an alkyl or alkoxy group having one to six carbon atoms; two adjacent substituents may be coupled with a cross-linking group to form a ring; R6 indicates a heteroaromatic ring; and A indicates an oxygen atom or a sulfur atom) is produced by reacting an alkoxybenzene represented by the general formula (1): (wherein R1, R2, R3, R4, and R5 are defined above) with an isocyanate represented by the general formula (2): (wherein R6 and A are defined above; and n indicates 1 or 2) in the presence of a Lewis acid.Type: ApplicationFiled: March 18, 2003Publication date: June 30, 2005Applicant: Mitsui Chemicals, Inc.Inventors: Hirokazu Awano, Mitsuo Koito, Masahiko Kusumoto