Patents Assigned to Mitsui
  • Copolymer of olefin and conjugated diene, and process for producing the same
    Patent number: 8513368
    Abstract: An object of the invention is to provide copolymers which have a double bond in a side chain and are substantially free of unsaturated bonds in the main chain, copolymers which have a cyclic structure and are substantially free of unsaturated bonds in the main chain, and processes for economically synthesizing these copolymers.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: August 20, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kenji Michiue, Sei-ichi Ishii, Makoto Mitani, Takeshi Karino
  • Polylactic acid resin composition and molded article thereof
    Patent number: 8513341
    Abstract: A polylactic acid resin composition containing 100 parts by weight of a polylactic acid compound (A) having a specific moiety represented by the formula (1): —X1—R1—X2— and having a weight average molecular weight (Mw) of 5,000 to 500,000, 5 to 2,000 parts by weight of a lactic acid resin (B) and 0.1 to 10 parts by weight of at least one kind of a transparent nucleating agent (C) selected from carboxylic acid amides, aliphatic alcohols and aliphatic carboxylic acid esters. In the formula (1), X1, X2 and R1 are defined. The resin composition can exhibit improved heat resistance (high crystallinity) and transparency without impairing the rigidity of the polylactic acid resin. A molded article composed of the resin composition is also provided.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: August 20, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tatsuhiro Urakami, Choujirou Higuchi
  • Ethylene copolymer composition, sheet for sealing a solar cell element, and solar cell module
    Patent number: 8513357
    Abstract: An ethylene copolymer composition which includes a zinc ionomer containing, as a main component, a copolymer having a constituent unit derived from ethylene and a constituent unit derived from (meth)acrylic acid, and a dialkoxysilane having an amino group, is provided. This makes it possible to increase the stability during sheet production. It is preferable that the content ratio of the dialkoxysilane is 15 parts by mass or less based on 100 parts by mass of the zinc ionomer.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: August 20, 2013
    Assignee: Du Pont-Mitsui Polychemicals Co., Ltd.
    Inventor: Koichi Nishijima
  • Polyolefin polymer having polar group, method for production thereof, and water dispersion material and mold release agent composition
    Patent number: 8513362
    Abstract: To provide a polyolefin polymer having a polar group represented by Formula (i) produced by modifying, with a high modification ratio, a double bond in a polymer having the double bond at one terminal, both terminals, or at the inside of a polymer chain thereof that is obtained by a known method; a method for producing the polyolefin polymer; and a water dispersion material and a mold release agent composition each containing the polyolefin polymer, wherein, PO, A, B, D, E, d, e, M, i, j, and n are defined as in the application.
    Type: Grant
    Filed: June 17, 2008
    Date of Patent: August 20, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Makoto Suzuki, Naoshi Nagai
  • Nonwoven fabric sheet and method for producing same
    Patent number: 8512610
    Abstract: The nonwoven fabric sheet of the present invention is characterized by a porosity in the range of 0.3 to 0.7 and an average pore size in the range of 0.5 ?m to 5.0 ?m. The nonwoven fabric sheet of the present invention preferably has a maximum pore size (?m)/average pore size (?m) ratio of 1.30 or lower. The nonwoven fabric sheet of the present invention is obtained by press-molding a nonwoven fabric at a temperature lower than the melting point of the thermoplastic resin which constitutes the nonwoven fabric sheet. According to the present invention, there is provided a nonwoven fabric sheet that has a high porosity, small uniform pore sizes and excellent productivity, which can suitably be used in various applications such as filters, light diffusing material, liquid absorber and heat insulating materials; and a method for producing the nonwoven fabric sheet.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: August 20, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Kazuya Okada, Yasuhiro Sudou
  • METHOD OF PRODUCTION OF ETHYLENE-BASED POLYMER PARTICLES AND STRETCH-MOLDED ARTICLE OBTAINED FROM THE ETHYLENE-BASED POLYMER PARTICLES
    Publication number: 20130209805
    Abstract: A method of production of ethylene-based polymer particles includes the steps of: homopolymerizing ethylene or copolymerizing ethylene and a linear or branched ?-olefin having 3 to 20 carbon atoms in the presence of an olefin polymerization catalyst including: (A) fine particles having an average particle diameter greater than or equal to 1 nm and less than or equal to 300 nm obtained at least by the following two steps: (Step 1) causing contact between a metal halide and an alcohol in a hydrocarbon solvent; (Step 2) causing contact between a component obtained by (Step 1) and an organoaluminum compound and/or an organoaluminumoxy compound; and (B) a transition metal compound represented in General Formula (I) or (II), and (E) an intrinsic viscosity [?] of the ethylene-based polymer particles, measured in decalin at 135° C., is from 5 to 50 dL/g.
    Type: Application
    Filed: July 15, 2011
    Publication date: August 15, 2013
    Applicant: MITSUI CHEMICALS, INC
    Inventors: Fumiaki Nishino, Takeshi Karino, Takayuki Onogi, Susumu Murata, Naoto Matsukawa, Yasunori Yoshida, Yasushi Nakayama
  • Pellicle frame and pellicle containing same
    Patent number: 8507158
    Abstract: Provided is a pellicle that has appropriate membrane strength, high resistance to chemicals, and a low degree of sulfate ion generation and outgassing. A provided pellicle frame supports the outer rim of a pellicle membrane, and an epoxy resin coating is formed on the surface of the pellicle frame. In the infrared absorption spectrum of said epoxy resin coating, the ratio of the absorbance of a peak in the range between 1450 cm?1 and 1550 cm?1 to the absorbance of a peak in the range between 1200 cm?1 and 1275 cm?1 is at least 0.5 and at most 3; also, the ratio of the absorbance of a peak in the range between 1450 cm?1 and 1550 cm?1 to the absorbance of a peak in the range between 905 cm?1 and 930 cm?1 is at least 1 and less than 7.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: August 13, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Shuichi Murakami, Takashi Kozeki
  • Silicon carbide substrate, semiconductor device, and SOI wafer
    Patent number: 8507922
    Abstract: Disclosed is a silicon carbide substrate which has less high frequency loss and excellent heat dissipating characteristics. The silicon carbide substrate (S) is provided with a first silicon carbide layer (1), which is composed of a polycrystalline silicon carbide, and a second silicon carbide layer (2), which is composed of polycrystalline silicon carbide formed on the surface of the first silicon carbide layer. The second silicon carbide layer (2) has a high-frequency loss smaller than that of the first silicon carbide layer (1), the first silicon carbide layer (1) has a thermal conductivity higher than that of the second silicon carbide layer (2), and on the surface side of the second silicon carbide layer (2), the high-frequency loss at a frequency of 20 GHz is 2 dB/mm or less, and the thermal conductivity is 200 W/mK or more.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: August 13, 2013
    Assignees: Mitsui Engineering & Shipbuilding Co., Ltd., Admap Inc.
    Inventors: Satoshi Kawamoto, Masaki Nakamura
  • Solvent dispersion of composite resin and uses thereof
    Patent number: 8507603
    Abstract: A solvent dispersion of a composite resin which comprises a solvent and a composite resin comprising a thermoplastic elastomer (A) and a polymer of copolymerizable monomers (B) comprising a monomer having an ?,?-monoethylenically unsaturated group and other copolymerizable monomer(s), wherein the thermoplastic elastomer (A) is a propylene-based elastomer having a molecular weight distribution (Mw/Mn) of not more than 3 as measured by gel permeation chromatography (GPC), and the copolymerizable monomers (B) include at least one monomer containing no functional groups; and uses of the dispersion. The dispersion can be used to provide a coating material, primer, adhesive, additive, binder, film, and primer for strippable paints and traffic paints, which have excellent adhesiveness to various materials.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: August 13, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Keiichi Asami, Kunihiko Takeuchi
  • STEVIA FORMULATION
    Publication number: 20130203867
    Abstract: The invention provides a stevia formulation comprising a stevia sweetener with a rebaudioside A content of 95% or greater, and 0.25 to 5.15 parts by weight of a sugarcane-derived extract (a), 0.06 to 2.50 parts by weight of a sugarcane-derived extract (b) and 0.002 to 12.5 parts by weight of ?-aminobutyric acid with respect to 100 parts by weight of the stevia sweetener.
    Type: Application
    Filed: February 17, 2012
    Publication date: August 8, 2013
    Applicant: MITSUI SUGAR CO., LTD.
    Inventors: Yumiko Tezuka, Takayuki Kiyofuji, Yukie Nagai, Toshiaki Sugitani
  • MANGANESE OXIDE PARTICLES AND PROCESS FOR PRODUCING SAME
    Publication number: 20130202521
    Abstract: A manganese oxide particle having a hexagonal crystal structure or an analogous hexagonal crystal structure with an a-axis length of 8.73±1 ? and a c-axis length of 14.86±1 ?. The manganese oxide particle is preferably produced by a process including mixing an aqueous solution containing manganese (II) and an organic compound having a hydroxyl group while in a heated state with an alkali.
    Type: Application
    Filed: July 8, 2011
    Publication date: August 8, 2013
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Mami Yoshida, Kenji Suzuoka, Kazuhiko Kato, Yasunori Tabira, Isamu Yashima
  • Door check link apparatus for vehicle
    Patent number: 8499416
    Abstract: A door check link apparatus includes a check link formed by molding a synthetic resin on a surface of a core plate, and including a full open stopper including a projecting portion located at a tip end portion of the core plate, and having a width larger than a width of a detent surface, a bending piece formed at a first end portion of the projecting portion, and having a stopper surface confronting the stopper receiving surface, and a protruding portion formed on the projecting portion at a position farther apart from the stopper receiving surface relative to the stopper surface, and protruding in a direction substantially parallel to the stopper receiving surface, the full open stopper being formed by molding the synthetic resin on the tip end portion of the core plate including the projecting portion, the bending piece, and the protruding portion.
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: August 6, 2013
    Assignee: Mitsui Kinzoku Act Corporation
    Inventors: Yoshiharu Settsu, Toshihisa Nishijo, Toku Fukaya
  • Non-woven fabric laminate
    Patent number: 8501646
    Abstract: A non-woven fabric laminate that is excellent in strechability, flexibility, and bulkiness, and that is less sticky and is suitable for a mechanical fastening female material. The non-woven fabric laminate includes a mixed fiber spunbonded non-woven fabric and a non-woven fabric comprising a crimped fiber that is laminated on at least one face of the mixed fiber spunbonded non-woven fabric, which includes a continuous fiber of a thermoplastic elastomer (A) in the range of 10 to 90% by weight and a continuous fiber of a thermoplastic resin (B) in the range of 90 to 10% by weight (where (A)+(B)=100% by weight). The non-woven fabric laminate can be suitably used for a sanitary material and other materials. More specifically, there can be mentioned for instance an absorbent article such as a disposable diaper and a menstrual sanitary product as a sanitary material.
    Type: Grant
    Filed: February 27, 2008
    Date of Patent: August 6, 2013
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Shigeyuki Motomura, Kenichi Suzuki, Kazuhiko Masuda, Hisashi Morimoto, Naosuke Kunimoto
  • Power supply system for crane
    Patent number: 8499911
    Abstract: Provided is a power supply system including a crane and a power supply truck. In the power supply system, a linkage mechanism efficiently transmits a force in a travel direction x to the power supply truck, while not transmitting any force in a transverse direction y or a twisting direction, and has a highly durable configuration. In a power supply system 1 for a crane in which a crane 2 for loading and unloading a container for marine transportation is linked to a power supply truck 3 for supplying power while following the crane 2, with a linkage mechanism 4, the linkage mechanism 4 includes a receiving member 10 disposed on the power supply truck 3, and a pushing member 11 disposed on the crane 2.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: August 6, 2013
    Assignee: Mitsui Engineering & Shipbuilding Co., Ltd.
    Inventor: Kinya Ichimura
  • MESENCHYMAL STEM CELL AND A METHOD OF USE THEREOF
    Publication number: 20130195808
    Abstract: Demyelinated axons were remyelinated in the demyelinated rat model by collecting bone marrow cells from mouse bone marrow and transplanting the mononuclear cell fraction separated from these bone marrow cells.
    Type: Application
    Filed: January 2, 2013
    Publication date: August 1, 2013
    Applicants: NC MEDICAL RESEARCH INC., HITACHI, LTD., MITSUI SUMITOMO INSURANCE CARE NETWORK CO., LTD., ASKA PHARMACEUTICAL CO., LTD.
    Inventors: Osamu HONMOU, Kazuo HASHI, Teiji UEDE
  • Device for Producing Gas Hydrate
    Publication number: 20130195730
    Abstract: To enable long-term continuous operation by preventing blocking of a reaction pipe line disposed in a multi-pipe or double-walled-pipe heat exchanger, provided is a device for producing gas hydrate including a multi-pipe or double-walled-pipe device 1 for generating gas hydrate having a reaction pipe line 2 for flowing raw material water w and raw material gas g and a coolant circulation region 3 for circulating a coolant c and thereby cooling the reaction pipe line 2, wherein a coil spring 4 extending in the longitudinal direction of the reaction pipe line 2 is provided in the reaction pipe line 2.
    Type: Application
    Filed: October 26, 2011
    Publication date: August 1, 2013
    Applicant: Mitsui Engineering & Shipbuilding Co., Ltd.
    Inventors: Nobutaka Ohya, Noriya Tokunaga, Tetsuo Hayase, Masahiro Takahashi
  • Porous metal foil and production method therefor
    Patent number: 8497026
    Abstract: A porous metal foil of the present invention comprises a two-dimensional network structure composed of metal fibers. This porous metal foil has superior properties and can be obtained in a highly productive and cost effective manner.
    Type: Grant
    Filed: June 25, 2010
    Date of Patent: July 30, 2013
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Tetsuhiro Matsunaga, Hajime Watanabe, Joe Nishikawa, Tetsuro Sato
  • Process and apparatus for producing gas hydrate pellet
    Patent number: 8497402
    Abstract: Provided is a process and an apparatus for producing at low cost gas hydrate pellets having an excellent storability. A gas hydrate generated from a raw-material gas and raw-material water is dewatered and simultaneously molded into pellets with compression-molding means under conditions suitable for generating the gas hydrate while the gas hydrate is generated from the raw-material gas and the raw-material water that exist among particles of the gas hydrate.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: July 30, 2013
    Assignee: Mitsui Engineering & Shipbuilding Co., Ltd.
    Inventors: Toru Iwasaki, Masahiro Takahashi, Takashi Arai, Shinji Takahashi, Kouhei Takamoto, Kenji Ogawa, Masafumi Aoba
  • Tacky resin composition and pressure-sensitive adhesive film or sheet
    Patent number: 8497321
    Abstract: A tacky resin composition which has proper initial tackiness, is sufficiently inhibited from rising in tackiness with time, can keep tackiness at a proper range even when it receives a slight heat history or is stored for a long time, has very small dependence on peeling speed, and can provide high transparency to a pressure-sensitive adhesive film or sheet as required, and a pressure-sensitive adhesive film or sheet for the surface protection of an article, which is obtained form the tacky resin composition. The tacky resin composition comprises (A) 5 to 80 parts by weight of an olefin polymer (component A), (B) 5 to 80 parts by weight of an ethylene/unsaturated ester copolymer (component B) and (C) 1 to 60 parts by weight of a styrene-based elastomer and/or an olefin-based elastomer (component C) based on 100 parts by weight of the total of the components A, B and C.
    Type: Grant
    Filed: January 28, 2009
    Date of Patent: July 30, 2013
    Assignee: Du Pont-Mitsui Polychemicals Co., Ltd.
    Inventors: Masataka Aoyama, Yoshitaka Hironaka, Hisao Gonohe
  • Method of producing a plastic polarized lens
    Patent number: 8496859
    Abstract: A method of producing a plastic polarized lens with excellent processability and the like by injecting a mixture of a specified isocyanate compound and a specified active hydrogen compound into a lens-forming mold wherein a polarized film containing a thermoplastic polyester is fixed, followed by polymerization and curing.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: July 30, 2013
    Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Toru Miura, Yoshimitsu Aiiso