Patents Assigned to Mitsubishi Chemicals Corporation
  • Insecticidal/acaricidal agents
    Patent number: 6548511
    Abstract: This invention provides an insecticidal and acaricidal agent which can control various insanitary insects and insects, mites and eggs thereof which are harmful to the agricultural and horticultural products, at a low chemical concentration. The insecticidal and acaricidal agent of this invention contains an anilinopyrimidinone derivative represented by the following general formula (I) as an active ingredient.
    Type: Grant
    Filed: February 9, 2000
    Date of Patent: April 15, 2003
    Assignees: Sagami Chemical Research Center, Mitsubishi Chemical Corporation
    Inventors: Kenji Hirai, Takeshi Yoshizawa, Sachiko Itoh, Natsuko Okano, Yuriko Nagata, Chikako Ota, Toshiki Fukuchi, Keiko Yoshiya
  • Modified polyolefin resin composition
    Patent number: 6548603
    Abstract: A modified polyolefin resin composition according to the present invention comprises a polyolefin resin modified with an unsaturated carboxylic acid and is suitable for imparting a good adhension property.
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: April 15, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tsukasa Satou, Yuuichi Shimizu, Satoru Yamamoto, Kazunori Yano
  • Photosensitive composition, image-forming material and image-forming method employing it
    Patent number: 6544720
    Abstract: A photosensitive composition comprising (a) an ethylenically unsaturated double bond-containing compound, (b) a sensitizing dye and (c) a photopolymerization initiator, wherein the sensitizing dye is a phthalocyanine compound showing the maximum absorption within a range of from 750 to 1,200 nm.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: April 8, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Ryuichiro Takasaki, Toshiyuki Urano
  • Optical recording medium and recording/erasing method
    Publication number: 20030063542
    Abstract: An optical recording medium comprising a substrate and a phase-change type recording layer which may have at least two phases provided on the substrate, wherein the phase-change type recording layer has a composition represented by the following formula (1) as the main component:
    Type: Application
    Filed: November 5, 2002
    Publication date: April 3, 2003
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventor: Takashi Ohno
  • Crystals of 5-[{6-(2-fluorobenzyl)oxy-2-naphthyl}methyl]-2,4-thiazolidinedione
    Patent number: 6541493
    Abstract: The invention relates to type A crystal of 5-[{6-(2-fluorobenzyl)oxy-2-naphthyl}methyl]-2,4-thiazolidinedione characterized to have characteristic absorption peaks (2&thgr;) at 11.5°±0.3°, 14.5°±0.2°, 16.2°±0.3°, 17.0°±0.3°, 17.7°±0.2°, 18.6°±0.3°, 19.1°±0.2°, 21.3°±0.4°, 22.4°±0.5°, 25.7°±0.5° and 28.3°±0.5° in a powder X-ray diffraction pattern, and also to a method for preparation thereof, and a pharmaceutical composition comprising the same. The crystal is excellent in stability, and has advantages in handling, storage, and pharmaceutical preparation. The invention also relates to type B, C and D crystals of said compound.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: April 1, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Takayuki Oe, Hiroaki Ueno, Akira Maruyama, Katsuhiko Masuda
  • Negative electrode material for non-aqueous lithium secondary battery, method for manufacturing the same, and non-aqueous lithium secondary battery using the same
    Patent number: 6541156
    Abstract: The present invention relates to a negative electrode material for a non-aqueous lithium secondary battery comprising a metal material M consisting of solid phases A and B, a graphite material, and a carbonaceous material having a crystallinity lower than that of said graphite material, wherein said metal material M has a structure in which a part or all of the surface of a core particle consisting of said solid phase A is covered with said solid phase B; said solid phase A contains at least silicon as a constitutive element; and said solid phase B is a solid solution or an intermetallic compound of silicon and a specific element.
    Type: Grant
    Filed: November 15, 2000
    Date of Patent: April 1, 2003
    Assignees: Mitsubishi Chemical Corporation, Matsushita Electric Industrial
    Inventors: Tooru Fuse, Hideharu Satou, Keiko Nishioka, Shinji Kasamatsu, Yoshiaki Nitta
  • Molded laminate
    Publication number: 20030059606
    Abstract: An object of the invention is to provide a molded laminate by using a thermoplastic polymer composition exhibiting excellent heat fusion-bond properties, particularly excellent heat fusion-bond properties in a high-temperature atmosphere, to a thermoplastic resin, particularly a polyamide resin or an ethylene-vinyl alcohol copolymer.
    Type: Application
    Filed: April 29, 2002
    Publication date: March 27, 2003
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Michihiro Iijima, Hideki Takahashi, Masatoshi Oomori
  • Pyrazle derivative, production process thereof, and pest control agent containing the same as ative ingredient
    Publication number: 20030060471
    Abstract: The invention provides a novel pest control agent having a high systemic activity and a high safety with reduced adverse influences on the environment neighboring the place to which the agent is applied, and a process for producing the same.
    Type: Application
    Filed: December 28, 2001
    Publication date: March 27, 2003
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shuko Okui, Nobuo Kyomura, Toshiki Fukuchi, Ken Tanaka, Manabu Katsurada, Kazuya Okano, Naoko Sumitani, Akiko Miyauchi, Akiko Yabe
  • Precision product container
    Patent number: 6537627
    Abstract: A precision product container of the present invention comprises a resin composition as a base material, which comprises a polycarbonate resin and an epoxy compound. Such precision product container can remarkably prevent products contained therein from being contaminated by chlorine and is suitable as a container for a precision product which is free from operational errors of the precision product contained therein when this product is subsequently assembled or processed.
    Type: Grant
    Filed: May 28, 1999
    Date of Patent: March 25, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Sadao Kumai, Tsutomu Suzuki, Tatsuaki Hirohata, Takehito Ushiki, Masaaki Miyamoto, Hidemi Nakanishi, Yoshitaka Shiraishi
  • Electrophotographic receptor
    Publication number: 20030054274
    Abstract: A high-sensitivity and long-life electrophotographic photoreceptor comprising an electroconductive substrate and at least a photosensitive layer on the electroconductive substrate is provided, wherein the photosensitive layer contains a polyarylate resin not having a nitrogen atom in its repeating unit, and the Hall mobility at an electric field strength of 3×105 (V/cm) and at a temperature of 21° C. of the photosensitive layer is 3×10−6 (cm2/Vs) or more.
    Type: Application
    Filed: September 19, 2002
    Publication date: March 20, 2003
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Teruyuki Mitsumori, Akiteru Fujii, Mamoru Nozomi, Satoshi Kato, Yuuta Kumano
  • Organic electroluminescent device and process for producing the same
    Patent number: 6534202
    Abstract: The invention provides an organic electroluminescent device which is excellent in heat resistance and weather resistance, emits light at a low voltage with high brightness, maintains stable luminescence characteristics in driving, and can be produced under broad process conditions. It comprises a substrate (1) having a luminescent layer (3) held between an anode (2) and a cathode (4). The cathode (4) comprises a metallic material, an alkali metal, and an oxygen atom. The cathode is formed by simultaneous vacuum deposition using a metallic material and an organic compound containing an alkali metal as deposition sources.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: March 18, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Yoshiharu Sato, Mitsuru Tanamura
  • Refined ethylene sulfite and method for producing it
    Publication number: 20030049542
    Abstract: Refined ethylene sulfite exhibits an excellent storage stability when used as a constituent of an electrolyte. A method of producing same has a step of reacting ethylene glycol and thionyl chloride to producing raw ethylene sulfite, a rectifying step for rectifying the raw ethylene sulfite, and a refining process for refining the raw ethylene sulfite or the rectified ethylene sulfite conducted before or after the rectifying step. The refining process is at least one process selected from the group consisting of a washing process, a dehydration process by total reflux distillation, a second rectifying process, and an absorbing process. Refined ethylene sulfite produced according to the method contains chloroethanol in an amount of not more than 1000 ppm.
    Type: Application
    Filed: August 26, 2002
    Publication date: March 13, 2003
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Toshimitsu Kato, Norioki Mine, Minoru Kotato
  • Pharmaceutical composition, reagent and method for intracerebral delivery of pharmaceutically active ingredient or labeling substance
    Publication number: 20030050227
    Abstract: There are provided a pharmaceutical composition which can easily transport a pharmaceutically active ingredient into a brain, a reagent can easily transport a labeling substance into a brain, and a method for delivering a pharmaceutically active ingredient or a labeling substance from blood into a brain. The pharmaceutically active ingredient and the labeling substance are bonded to a hibernation-specific protein, and used as a conjugate. By administering the conjugate together with a thyroid hormone substance or a substance enhancing secretion and production thereof, the pharmaceutically active ingredient or the labeling substance is delivered into a brain.
    Type: Application
    Filed: August 19, 2002
    Publication date: March 13, 2003
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Noriaki Kondo
  • Process for producing 1H-3-aminopyrrolidine and derivatives thereof
    Patent number: 6531594
    Abstract: A process for producing 1H-3-aminopyrrolidine and derivatives thereof is disclosed.
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: March 11, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Michi Watanabe, Takeshi Nakato, Jun Takehara, Kazuaki Kanno, Shuji Ichikawa
  • Catalyst components for polymerization of olefins and use thereof
    Patent number: 6524985
    Abstract: Disclosed is a catalyst component for the polymerization of olefins, which is a compound having the following structure: wherein R1 is a hydrocarbon radical having 1 to 10 carbon atoms or a halogen-containing hydrocarbon radical having 1 to 10 carbon atoms, and R2s are each a hydrogen atom, a halogen atom, a siloxy group, a lower-alkyl-substituted siloxy group or a hydrocarbon radical having 1 to 10 carbon atoms, or which is a reaction product of the following sub-components (i) and (ii): sub-component (i) which is a compound having the formula R1—B—(OH)2 in which R1 is a hydrocarbon radical having 1 to 10 carbon atoms or a halogen-containing hydrocarbon radical having 1 to 10 carbon atoms; and sub-component (ii) which is an organoaluminum compound.
    Type: Grant
    Filed: July 2, 1997
    Date of Patent: February 25, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Toshihiko Sugano, Tomohiko Takahama
  • Carbonaceous negative electrode material for nonaqueous secondary battery, process for producing the same, and nonaqueous secondary battery
    Patent number: 6524748
    Abstract: A carbonaceous negative electrode material for nonaqueous secondary batteries having (i) not less than 2×10−4 cc/g of pores having a diameter of smaller than 8 Å and (ii) not more than 15×10−4 cc/g of pores having a diameter of 8 to 18 Å. The material exhibits a high capacity and a high efficiency.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: February 25, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Akio Kato, Noritoshi Takao, Tomiyuki Kamada
  • Method for forming a magnetic pattern in a magnetic recording medium, a magnetic pattern forming device, a magnetic recording medium and a magnetic recording device
    Publication number: 20030035235
    Abstract: A method for forming a magnetic pattern by applying a first external magnetic field to a magnetic recording medium having a magnetic layer to magnetize uniformly the magnetic layer in a predetermined direction and heating locally the magnetic layer while a second external magnetic field is applied thereto, whereby the heated portion is magnetized in the direction opposite to the predetermined direction, wherein the second external magnetic field has a pulse-like magnetic field component.
    Type: Application
    Filed: August 7, 2002
    Publication date: February 20, 2003
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Hiroyuki Ikeda, Yuzo Seo, Youji Arita
  • Lithium secondary cell
    Publication number: 20030031923
    Abstract: To improve an impregnation property of an electrolyte and the cycle characteristics, which have been a problem in the case of employing a casing having a variable shape.
    Type: Application
    Filed: August 27, 2002
    Publication date: February 13, 2003
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takayuki Aoshima, Iwao Soga, Mitsuharu Kobayashi
  • Immunoassay
    Patent number: 6514770
    Abstract: Immunoassay methods for measuring the concentration of an analyte in a test specimen are described. The methods use an immunoreagent, where one of the analyte and the immunoreagent is an antigen, and the other of the analyte and the immunoreagent is an antibody which specifically binds to the antigen. An important feature distinguishing these immunoassays over conventional immunoassays is that the standard sample containing a known concentration of analyte is measured in the same reaction vessel as the test specimen containing an unknown amount of analyte.
    Type: Grant
    Filed: July 28, 2000
    Date of Patent: February 4, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventor: Takaaki Sorin
  • Photosensitive lithographic printing plate
    Patent number: 6514668
    Abstract: A photosensitive lithographic printing plate having a photosensitive resin layer formed on an aluminum substrate subjected to electrolytic surface roughening in nitric acid or in an electrolyte composed mainly of nitric acid and further to anodic oxidation treatment, wherein the photosensitive resin layer is made of a photopolymerizable composition comprising (A) an addition-polymerizable ethylenically unsaturated bond-containing monomer, (B) a photopolymerization initiator, and (C) a polymer binder, wherein the addition-polymerizable ethylenically unsaturated bond-containing monomer (A) contains a phosphate compound having at least one (meth)acryloyl group.
    Type: Grant
    Filed: December 23, 1997
    Date of Patent: February 4, 2003
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shigeo Tsuji, Hideaki Okamoto