Patents Assigned to Mitsui
  • MODIFIED POLYOLEFIN RESIN AND USES THEREOF
    Publication number: 20100004383
    Abstract: It is an object of the present invention to provide a modified polyolefin resin adhesive agent which is excellent in adhesiveness to a nonpolar substrate, particularly a poorly adhesive polyolefin substrate to which no surface treatment has been given and to a polar substrate, develops the excellent adhesiveness by drying or thermal compression bonding at relatively low temperature, and exhibits a low tack. That is, the present invention provides the modified polyolefin resin obtained by modifying a polyolefin resin with (A) a polarity imparting agent which is at least one selected from chlorine, unsaturated carboxylic acid, derivatives and anhydrides of unsaturated carboxylic acid and radical polymerizable monomers; and (B) an ethylene-?-olefin copolymer having an unsaturated bond at one end, and use of said modified polyolefin resin as an aqueous resin composition or an organic solvent resin composition.
    Type: Application
    Filed: July 18, 2007
    Publication date: January 7, 2010
    Applicants: NIPPON PAPER CHEMICALS CO., LTD., MITSUI CHEMICALS, INC.
    Inventors: Yasutaka Watanabe, Kenichi Fujino, Hidetoshi Yoshioka, Naoshi Nagai, Sadahiko Matsuura
  • SEPARATOR FOR ENERGY DEVICE AND ENERGY DEVICE HAVING THE SAME
    Publication number: 20100003588
    Abstract: Disclosed is a separator for energy devices, which hardly allows an internal short circuit, while excellent in electrolyte solution retention. Also disclosed is an energy device comprising such a separator. Specifically disclosed is a separator for energy devices, which comprises a nonwoven fabric laminate composed of two or more melt-blown nonwoven fabric layers arranged on top of one another. Each of the melt-blown nonwoven fabric layers has an average fiber diameter of 0.5-3 ?m, and the weight per square meter of the nonwoven fabric laminate is not more than 50 g/m2. This separator for energy devices has a surface centerline roughness (Rt value) of not more than 35 ?m.
    Type: Application
    Filed: August 10, 2007
    Publication date: January 7, 2010
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yasuhiro Sudou, Masataka Iwata
  • Polyolefin composition
    Publication number: 20100004401
    Abstract: [Problem] A polyolefin composition comprising an olefin-based thermoplastic elastomer which is superior to conventional olefin-based thermoplastic elastomers in scratch resistance and abrasion resistance and has excellent heat aging resistance is proposed. [Means for Solving the Problem] A polyolefin composition comprising a syndiotactic ?-olefin-based copolymer (A), a polyolefin resin (B) (other than polybutene (C)), polybutene (C), and if necessary, an ethylene-based copolymer rubber (D).
    Type: Application
    Filed: September 10, 2007
    Publication date: January 7, 2010
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yuichi Ito, Kazuki Mita, Ryoji Mori, Masahiko Okamoto, Toru Takehara, Masakazu Jitsukata, Hayato Kurita
  • PELLETS COMPRISING POLYMER AND PACKAGE CONTAINING THE SAME
    Publication number: 20090321300
    Abstract: First pellets according to the present invention is characterized by satisfying all of the following requirements (Z), (1), (2), and (3): (Z) the pellet comprises a polymer (A) having an elastic modulus in tension of 100 MPa or less, (1) the pellets have an average weight per 30 pellets in the range of 0.80 to 2.00 g; (2) the pellets have a particle size distribution obtained by sieving in which pellets providing a maximum weight fraction account for 90 to 100% of the pellets; and (3) the pellets have a Lave/Dave value in the range of 1.00 to 1.70. Second pellets according to the present invention is characterized by satisfying the requirements of the (Z) and the following (4): (4) the pellets have a blocking force of 35 N or less that is measured after the pellets are left under a load at 35° C. for 24 hours and further at ?10° C. for 7 days.
    Type: Application
    Filed: August 6, 2007
    Publication date: December 31, 2009
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kan Komiya, Tetsuya Nakamura
  • METHOD FOR PRODUCING 2-ALKYL-3-AMINOTHIOPHENE DERIVATIVE
    Publication number: 20090326247
    Abstract: 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: wherein in formulae (1a) to (1d), R1 to R4 each independently represents a hydrogen atom, an alkyl group of 1 to 12 carbon atoms or the like; and R5 and R6 each independently represents a hydrogen atom, a halogen atom, an alkyl group of 1 to 12 carbon atoms or the like. According to the invention, a 2-alkyl-3-aminothiophene derivative usable as an intermediate of agricultural chemicals can be produced by a cost-efficient industrial process, without the use of a high-cost protective group for an amino group.
    Type: Application
    Filed: October 24, 2007
    Publication date: December 31, 2009
    Applicant: MITSUI CHEMICALS , INC.
    Inventors: Takeshi Kakimoto, Yoji Aoki, Daisuke Ura, Miki Enomoto, Hisato Kamekawa, Toshio Kitashima
  • Fabrication method of diesel particular filter element
    Patent number: 7637979
    Abstract: A diesel engine exhaust gas filter [8] is manufactured by winding a belt-like wire mesh [1] knitted from a metal wire [2] into a swirl body while being extended in the longitudinal direction and compressing it in the widthwise direction in a molding die. [6].
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: December 29, 2009
    Assignees: Mitsui Engineering & Shipbuilding Co., Ltd., Okutani Wire Netting, Mfg, Co., Ltd
    Inventors: Juntaro Ushikoshi, Shoichi Ibaragi, Kanehisa Imai, Tomohiko Okutani
  • Metal Composite Laminate for Producing Flexible Wiring Board and Flexible Wiring Board
    Publication number: 20090317591
    Abstract: A metal composite laminate for producing a flexible wiring board a wiring-forming metal layer for forming a wiring pattern that is laminated on the front surface of a flexible insulating resin layer, a support metal layer that serves as a support is laminated on the back surface of the insulating resin layer. The total thickness (Wt) of the metal composite laminate; the thickness (W0) of the insulating resin layer; the mean surface roughness (Rz-1) of the wiring-forming metal layer facing the front surface of the insulating resin layer; and the mean surface roughness (Rz-2) of the support metal layer facing the back surface of the insulating resin layer are controlled.
    Type: Application
    Filed: September 13, 2007
    Publication date: December 24, 2009
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Tetsuro Sato, Makoto Yamagata, Noriaki Iwata, Toshiaki Ono, Yasuo Komoda, Tatsuo Kataoka, Shuji Chikujo, Naoaki Ogawa
  • Mold for Wiring Substrate Formation and Process for Producing the Same, Wiring Substrate and Process for Producing the Same, Process for Producing Multilayered Laminated Wiring Substrate and Method for Viahole Formation
    Publication number: 20090314525
    Abstract: A process for producing a wiring board is provided, comprising allowing a wiring board-forming mold, which comprises a support base and a mold pattern that is formed in a protruded shape on one surface of the support base wherein the sectional width of the mold pattern on the support base side is larger than the sectional width thereof on the tip side in the same section of the mold pattern, to penetrate into a curing resin layer to transfer the mold pattern, curing the curing resin layer, releasing the laminate from the mold, depositing a conductive metal, and polishing the deposited metal layer that to form a depressed wiring pattern, and a wiring board produced by this process.
    Type: Application
    Filed: May 31, 2006
    Publication date: December 24, 2009
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Hitoshi Kajino, Takeo Taguchi, Kanji Sato, Masahito Ishii, Tatsuo Kataoka
  • TABLET PREPARATION WITHOUT CAUSING A TABLETING TROUBLE
    Publication number: 20090318482
    Abstract: The present invention provides a tablet without causing a tableting trouble, which is superior in the tablet formability, dissolution property of pharmaceutically active ingredient, and the like.
    Type: Application
    Filed: January 30, 2008
    Publication date: December 24, 2009
    Applicant: MITSUI ENGINERING & SHIPBUILDING CO., LTD
    Inventors: Akihiko Ono, Shigeyuki Marunaka, Makoto Fukuta
  • Resin composition and optical component
    Publication number: 20090310471
    Abstract: There are provided a resin composition that is suitable for an optical component which, while maintaining moldability, low birefringence, heat resistance, mass productivity, mechanical strength, and light transmittance, hardly exhibits a low light transmittance during the use of a blue-violet laser beam source and a deterioration in optical properties, and an optical component produced by molding the resin composition, and a optical pickup device using the optical component. The present invention provides a resin composition comprising 0.05 to 5 parts by weight of the specific hindered amine compound based on 100 parts by weight of the polymer having an alicyclic structure in at least a part of repeating structural unit, an optical component produced by molding the resin composition, and a optical pickup device using the optical component.
    Type: Application
    Filed: April 17, 2006
    Publication date: December 17, 2009
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Atsushi Shibuya, Masanori Iwazumi
  • PROCESS FOR PRODUCING (METH) ACRYLAMIDE
    Publication number: 20090311759
    Abstract: [Problem] To provide a process for producing (meth)acrylamide using a microbial catalyst, wherein production steps can be simplified and production cost can be reduced. [Means for solving problem] The process for producing (meth)acrylamide of the present invention is a process comprising (a) a step of allowing (meth)acrylonitrile to undergo hydration reaction by the use of a microbial catalyst containing nitrile hydratase in an aqueous medium to obtain a (meth)acrylamide reaction solution (I) and (b) a step of removing impurities from the reaction solution (I) to obtain a (meth)acrylamide aqueous solution (II), wherein the concentration of (meth)acrylamide in the reaction solution (I) obtained in the step (a) is higher than the concentration of (meth)acrylamide in the aqueous solution (II) obtained in the step (b) by 2 to 20% by weight.
    Type: Application
    Filed: April 3, 2007
    Publication date: December 17, 2009
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Takeya Abe, Takeshi Fukuda
  • Lactic acid polymer composition, molded article comprising the composition and process for producing the molded article
    Publication number: 20090311511
    Abstract: To provide a lactic acid polymer composition excellent in transparency, heat resistance and productivity, a molded article, a sheet and a multilayer sheet each of which comprises the composition, a thermoformed article obtained by secondary-forming the sheet or the multilayer sheet, and a process for producing the thermoformed article with excellent productivity. The lactic acid polymer composition of the invention comprises 100 parts by weight of a lactic acid polymer (A), 0.1 to 3 parts by weight of an organic crystal nucleating agent (B) comprising an aliphatic carboxylic acid amide having an amide bond, and 0.1 to 7 parts by weight of a crystallization accelerator (C). The thermoformed article of the invention is obtained with excellent production efficiency by thermoforming the sheet comprising the composition of the invention at a temperature of 60 to 130° C.
    Type: Application
    Filed: May 9, 2006
    Publication date: December 17, 2009
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Shoji Obuchi, Masaaki Iijima, Takayuki Kuroki, Masahiro Sugi
  • CoCrPt Base Sputtering Target and Production Process for the Same
    Publication number: 20090308740
    Abstract: An object of the present invention is to provide a CoCrPt base sputtering target in which high chromium-containing particles containing a chromium atom at a high concentration unevenly distributed in the above sputtering target are reduced in a size and a production amount to thereby enhance a uniformity of the target and inhibit nodules or acing from being caused and which has the targeted composition ratio. The CoCrPt base sputtering target of the present invention is a sputtering target containing cobalt, chromium, ceramics and platinum, and it is characterized by that high chromium-containing particles containing a chromium atom at a high concentration which are unevenly distributed in the above sputtering target have a maximum full diameter of 40 ?m or less.
    Type: Application
    Filed: December 26, 2007
    Publication date: December 17, 2009
    Applicant: MITSUI MINING & SMELTING CO., LTD.
    Inventors: Kazuteru Kato, Nobukazu Hayashi
  • TONER FOR ELECTROPHOTOGRAPHY AND BINDER RESIN FOR TONER
    Publication number: 20090311619
    Abstract: Disclosed is a toner for electrophotography containing at least a binder resin. This toner for electrophotography is characterized in that (a) the tetrahydrofuran (THF) soluble content in the toner has a first peak in the molecular weight region of not less than 2,000 but less than 5,000 and a second peak in the molecular weight region of not less than 100,000 but less than 200,000 in the chromatogram obtained by gel permeation chromatography (GPC); (b) the binder resin contains at least a carboxyl group-containing vinyl resin (C) and a glycidyl group-containing vinyl resin (E); and (c) the mass ratio of the styrene monomer to the acrylic monomer in the binder resin, namely (S/A), is not less than 4.6 but less than 8.5.
    Type: Application
    Filed: December 18, 2007
    Publication date: December 17, 2009
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Hiroshi Matsuoka, Kazuya Sakata, Hiroyuki Takei, Kenji Uchiyama, Ichiro Sasaki
  • 3-(dihydro(tetrahydro)isoquinolin-1-yl)quinoline compound
    Patent number: 7632783
    Abstract: The invention provides compounds which exert excellent fungicidal activities against various plant diseases and are useful as active ingredients of pesticides permitting the control of rice blast and so on even in low dosages. Compounds represented by the general formulae (1a) to (1d) or salts thereof: (1a) (1b) (1c) (or) (1d) wherein R1 and R2 are each C1-6 alkyl or the like; R3 and R4 are each hydrogen, halogeno, or the like; R5 is hydrogen, C1-6 alkyl, or the like; X is halogeno, C1-6 alkyl, or the like; Y is halogeno, C1-6 alkyl, or the like; n is an integer of 0 to 4; and m is an integer of 0 to 6.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: December 15, 2009
    Assignee: Mitsui Chemicals Agro, Inc.
    Inventors: Hiroyuki Ito, Kota Fujiwara, Munetsugu Morimoto, Harukazu Tanaka, Yasushi Tamagawa, Hiroyuki Komai
  • METHOD FOR PRODUCING HYDROXYCARBOXYLIC ACID BY REGENERATING COENZYME
    Publication number: 20090305368
    Abstract: Hydroxycarboxylic acids are produced by using a microorganism that is improved in ability to regenerate oxidized-type nicotinamide adenine dinucleotide by being provided with an enhanced NADH dehydrogenase function by introducing a gene encoding NADH dehydrogenase into a microorganism.
    Type: Application
    Filed: April 27, 2007
    Publication date: December 10, 2009
    Applicant: Mitsui Chemicals Inc.
    Inventors: Takashi Morishige, Mitsufumi Wada, Hitoshi Takahashi, Daisuke Mochizuki, Junko Tokuda
  • OPTICAL RECORDING MEDIUM AND COMPOUND USED FOR THE SAME
    Publication number: 20090306376
    Abstract: A compound comprising a ring structure including a ring composed of four carbon atoms and two nitrogen atoms and a substituted or unsubstituted amino group bonded to the ring structure.
    Type: Application
    Filed: July 30, 2009
    Publication date: December 10, 2009
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hiroyoshi SHIOZAKI, Masataka MIYASATO, Tsutomu ISHIDA, Akira OGISO, Keiji UENO, Hideo USUI
  • Method for producing cytosine nucleoside compounds
    Patent number: 7629457
    Abstract: The invention provides a method for producing a cytosine nucleoside compound from pentose-1-phosphate and cytosine or a derivative thereof using a nucleoside phosphorylase reactive to cytosine or a bacterium having the enzyme activity. The invention also provides a method for specifically reducing an activity to degrade the substrates or the product, resulting in efficient production of the cytosine nucleoside compound. According to the invention, little by-product is produced in producing cytonucleocide compounds.
    Type: Grant
    Filed: October 19, 2004
    Date of Patent: December 8, 2009
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tadashi Araki, Ichirou Ikeda, Kaori Matoishi, Reiko Abe, Toshihiro Oikawa, Yasuko Matsuba, Hiroki Ishibashi, Kiyoteru Nagahara, Yasushi Fukuiri
  • Wire winding apparatus
    Patent number: 7627990
    Abstract: A wire winding apparatus winds one side of wire and simultaneously releases other side of wire by driving a winding actuator. A drive gear is disposed to rotate in an arbitrary direction when the winding actuator is driven. A pair of wire drums is disposed on both sides of the drive gear, respectively, and separately winds the one side of wire and the other side of wire in opposite directions. A rotation of the drive gear is transmitted to each of the wire drums.
    Type: Grant
    Filed: July 19, 2006
    Date of Patent: December 8, 2009
    Assignee: Mitsui Mining & Smelting Co., Ltd.
    Inventors: Kazuhito Yokomori, Masashi Shimizu, Hiroshi Satoh
  • Process for producing cyclopropylphenol derivative
    Patent number: 7629494
    Abstract: A process for producing a cyclopropylphenol represented by of formula (10): wherein R1, R2, R3 and R4 each may represent a hydrogen; Z represents a hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl or phenyl; and Y1, Y2 and Y3 each may represent a hydrogen; by reacting a compound of formula (7): wherein X represents a halogen; and V represents a hydrogen or —W—R5, with a metal, metal salt or organometallic compound of formula (8): M2 to obtain a compound of formula (9): and obtaining a compound of formula (10) by hydrolysis in the case wherein V represents —W—R5, wherein W is CO, SO or SO2 and R5 is alkyl, haloalkyl, cycloalkyl, alkenyl, alkynyl, phenyl, alkoxy or haloalkoxy.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: December 8, 2009
    Assignee: Mitsui Chemicals Agro, Inc.
    Inventors: Yoshihisa Tsukamoto, Hiroyuki Komai, Toshio Kaneko, Takeshi Takada