Patents Assigned to Mitsubishi Chemical Corporation
  • Publication number: 20200295415
    Abstract: A partition member includes an encapsulated body capable of retaining a liquid, and an outer package body for accommodating the encapsulated body and the liquid. The area S1 of the encapsulated body when the outer package body and the encapsulated body are seen in a planar view from the thickness direction and the area S2 of a gap between the outer package body and the encapsulated body satisfy the relationship represented by formula 1 below, and the volume V1 of the liquid and the volume V2 of the encapsulated body satisfy the relationship represented by formula 2 below. S1/(S1+S2)?0.99 and??Formula 1: 0.02?V1/V2?1.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 17, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tatsuhiko HONDA, Naoto MARU, Tomohiro KAWAI, Iwao SOGA
  • Publication number: 20200291212
    Abstract: An aqueous resin dispersion with which excellent adhesiveness to a polyolefin base material such as a polypropylene base material can be easily obtained, which can be baked at low temperature, and which is for producing an aqueous coating material; and an aqueous coating material and an adhesive which contain the aqueous resin dispersion, are provided. In an aqueous resin dispersion (C) of the present invention, an olefin polymer (A) and a polymer (B) containing a constitutional unit derived from a radically polymerizable monomer (b1) having a reactive functional group are dispersed in an aqueous medium, a median diameter of the aqueous resin dispersion (C) measured by a dynamic light scattering method is 300 nm or less, and a dry product of the aqueous resin dispersion (C) contains 1 mass % or more of an insoluble component (D) that is insoluble in tetrahydrofuran.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 17, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Akira HARADA, Shinsuke Haraguchi, Motomi Tanaka, Jun Itou
  • Publication number: 20200295416
    Abstract: A partition member which partitions between a pair of unit batteries or a partition member which partitions between a unit battery and a member other than the unit battery, the thermal resistances ?d1, ?d2, ?p1, and ?p2 defined as follows satisfy Expression below. (?p1/?p2)/(?d1/?d2)?1.
    Type: Application
    Filed: May 29, 2020
    Publication date: September 17, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Yoko WATANABE, Tomohiro KAWAI
  • Publication number: 20200288681
    Abstract: Provided is a purification method for water to be used for culture of an aquatic organism, wherein the method includes a nitrification step of oxidizing ammonia to nitric acid using a nitrifying bacterium adhering to a base material containing an alkaline earth metal, and a denitrification step of reducing nitric acid to nitrogen using a denitrifying bacterium adhering to a base material containing a biodegradable resin which has a structural unit derived from dicarboxylic acid.
    Type: Application
    Filed: June 1, 2020
    Publication date: September 17, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tetsuya KAWASAKI, Jun Ogawa, Akinori Ando, Daisei Ando, Ryohei Yasutomi, Naoyuki Misaka
  • Publication number: 20200290933
    Abstract: A partition member that forms a partition between single batteries or between a single battery and a member other than the single battery. The partition member contains a thermal insulation material that contains a powdered inorganic material and a fibrous inorganic material and that has a density of 0.23 to 1.10 g/cm3.
    Type: Application
    Filed: May 28, 2020
    Publication date: September 17, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventor: Tatsuhiko HONDA
  • Patent number: 10773472
    Abstract: Provided is a method for manufacturing a fiber-reinforced plastic molded body by which, when a molded article having a hollow part is being molded using a molding mold, it is possible to deform the peripheral surface area of a core by increasing the pressure inside the core without using pressurized gas or pressurized fluid. A group of particles and the like including a particle group and a core block is accommodated in a flexible bag to form a core. The particle group is composed of multiple rigid particles. The core is arranged inside a prepreg containing a resin and fibers, and the prepreg including the core is arranged inside a molding mold and is molded by applying pressure.
    Type: Grant
    Filed: May 30, 2016
    Date of Patent: September 15, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Tsuneo Takano, Takashi Honma
  • Patent number: 10773473
    Abstract: The purpose of the present invention is to obtain a fiber-reinforced plastic that is capable of controlling anisotropy, has excellent mechanical characteristics, has little variation, has excellent heat resistance, and has good fluidity during forming. A production method for fiber-reinforced plastic, having: a step in which a material (A) (100) including a prepreg base material is obtained, said prepreg base material having cuts therein and having a thermoplastic resin impregnated in reinforcing fibers (110) arranged in parallel in one direction; a step in which a pressurizing device is used that applies a substantially uniform pressure in a direction (X) orthogonal to the travel direction of the material (A) (100) and the material (A) (100) is caused to travel in the one direction and is pressurized while being heated to a prescribed temperature (T), an angle (.theta.) of ?20-20 .degree.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: September 15, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Masao Tomioka, Takeshi Ishikawa, Takayuki Kobayashi
  • Patent number: 10777850
    Abstract: A nonaqueous electrolytic solution, containing an electrolyte, a nonaqueous solvent and an aromatic carboxylate ester of formula (1): wherein A1 is an optionally substituted aryl group, n1 is an integer of 1 or greater, R2 and R3 are a hydrogen atom, a halogen atom or an optionally substituted hydrocarbon group having 1 to 12 carbon atoms, a1 is an integer of 1 or 2, and when a1 is 1, R1 is an optionally substituted hydrocarbon group having 1 to 12 carbon atoms, a1 is 2, R1 is an optionally substituted hydrocarbon group having 1 to 12 carbon atoms, n1 is 1, at least one of R2 and R3 is an optionally substituted hydrocarbon group having 1 to 12 carbon atoms, and n1 is 2 and R2s and R3s are all hydrogen atoms, R1 is an optionally substituted aliphatic hydrocarbon group having 1 to 12 carbon atoms.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: September 15, 2020
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Shuhei Sawa, Takashi Fujii, Kanako Ito, Koji Fukamizu, Ryo Yamaguchi, Hiromu Watanabe
  • Patent number: 10773241
    Abstract: The present invention provides a separating medium including porous resin particles which has a sufficient pore diameter suitable for liquid chromatography applications and which has high strength, is reduced in pressure loss during liquid passing, has the excellent property of separating a desired substance, and has low nonspecific adsorption properties. The separating medium of the invention is a separating medium obtained by treating porous epoxy resin particles and having an average pore diameter of 10 to 2,000 nm, or a separating medium obtained by treating porous epoxy resin particles and having a water content of 50% or higher.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: September 15, 2020
    Assignees: Mitsubishi Chemical Corporation, EMAUS KYOTO, INC., KYOTO UNIVERSITY
    Inventors: Norio Ishizuka, Kyoko Konishi, Toshikazu Oda, Yoshinobu Tsujii, Keita Sakakibara, Shoya Yoda
  • Publication number: 20200287205
    Abstract: The invention includes a method to provide composite graphite particles for a nonaqueous secondary battery negative electrode, wherein metal particles capable of alloying with Li can be internally present with favorable dispersibility. The present invention relates to composite graphite particles for a nonaqueous secondary battery negative electrode containing graphite (A) and metal particles (B) capable of alloying with Li, wherein the degree of dispersion of the metal particles (B) in the composite graphite particles is 0.78 or more.
    Type: Application
    Filed: May 5, 2020
    Publication date: September 10, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Akio UEDA, Satoshi AKASAKA, Nobuyuki ISHIWATARI, Junko KAGIMOTO, Shingo MOROKUMA
  • Publication number: 20200282605
    Abstract: Provided is a mold release film capable of transferring a concave-convex structure to the surface of an adhesive film.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Nobuaki Sasaki, Yoshihide Sato
  • Publication number: 20200287256
    Abstract: A partition member includes an encapsulated body capable of retaining a liquid and an outer package body having an internal space for accommodating the liquid and the encapsulated body in a sealed state. The ratio of a water absorption rate 2 to a water absorption rate 1, [water absorption rate 2]/[water absorption rate 1], is at least 0.4. The water absorption rate 1 indicates the water absorption rate when the encapsulated body is compressed for 1 minute at a pressure of 0.05 kgf/cm2, and the water absorption rate 2 indicates the water absorption rate when the encapsulated body is compressed for 1 minute at a pressure of 5 kgf/cm2.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tatsuhiko HONDA, Tomohiro KAWAI, Naoto MARU
  • Publication number: 20200283429
    Abstract: A nitrile oxide compound which is a compound represented by General Formula [I], in which a melting point is 25° C. to 300° C., and an equivalent of nitrile oxide is 1.0 to 4.5 mmol/g. In the general formula, s: an integer of 1 to 4; R1 and R2: a hydrocarbon group having 4 to 10 carbon atoms or a halogenated hydrocarbon group having 4 to 10 carbon atoms; X: a divalent hydrocarbon group, —O—, —S—, or —N(R3)—; R3: a hydrogen atom or a hydrocarbon group having 1 to 6 carbon atoms; and A: an s-valent organic group.
    Type: Application
    Filed: May 26, 2020
    Publication date: September 10, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Koji ITAGAKI, Hisashi OHTAKI, Toshikazu TAKATA, Hiromitsu SOGAWA
  • Publication number: 20200277455
    Abstract: A method for manufacturing a fiber-reinforced resin molding material having a cut fiber tow impregnated with a resin includes a separation step of intermittently separating a fiber tow and forming at least two separation-processed lines arranged side by side in a width direction of the fiber tow and a cutting step of cutting the fiber tow at an interval in the longitudinal direction, and the separation step and the cutting step are carried out to satisfy (1) to (3). (1) 1?c/L?50 (2) c<a (3) b/L<1 “c” is an overlapping length of separated parts when one separation-processed line is projected to another separation-processed line adjacent thereto in the width direction, “L” is the interval in the cutting step, “a” is a length of the separated part in the separation-processed line, and “b” is a length of an unseparated part in the separation-processed line.
    Type: Application
    Filed: May 18, 2020
    Publication date: September 3, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Junji KANEHAGI, Tadao SAMEJIMA
  • Publication number: 20200269558
    Abstract: An ethylene-vinyl alcohol copolymer composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) an antioxidant; and (C) a sorbic acid ester; wherein the sorbic acid ester (C) is present in an amount of 0.00001 to 10 ppm based on the weight of the ethylene-vinyl alcohol copolymer composition; wherein the weight ratio (B)/(C) of the antioxidant (B) to the sorbic acid ester (C) is 500 to 1,000,000. The resulting ethylene-vinyl alcohol copolymer composition is less susceptible to coloration.
    Type: Application
    Filed: May 12, 2020
    Publication date: August 27, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Shintaro USUI, Minako IKESHITA
  • Publication number: 20200274078
    Abstract: Provided is an iridium complex compound represented by formula (1) below. Ir is an iridium atom. L is a bidentate ligand. A ring Cy1 is an aromatic or heteroaromatic ring including carbon atoms C1 and C2. A ring Cy2 is a heteroaromatic ring including a carbon atom C3 and a nitrogen atom N1. R1 and R2 are each a hydrogen atom or a substituent. a and b are maximum integer numbers of possible substituents on the ring Cy1 and the ring Cy2, respectively. m is 1 to 3, n is 0 to 2, and m+n=3. At least one R1 is represented by formula (2) below. R5 to R11 are each a hydrogen atom or a substituent. Rxl and RX2 are each an alkyl group or an aralkyl group.
    Type: Application
    Filed: May 14, 2020
    Publication date: August 27, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Kazuhiro Nagayama, Oki Iemura
  • Publication number: 20200270440
    Abstract: An ethylene-vinyl alcohol copolymer composition contains: (A) an ethylene-vinyl alcohol copolymer; (B) an alkali earth metal compound; and (C) a sorbic acid ester; wherein the sorbic acid ester (C) is present in an amount of 0.00001 to 10 ppm based on the weight of the ethylene-vinyl alcohol copolymer composition; wherein the ratio (B)/(C) of the weight of the alkali earth metal compound (B) on a metal basis to the weight of the sorbic acid ester (C) is 10 to 30,000. The ethylene-vinyl alcohol copolymer composition is less susceptible to coloration.
    Type: Application
    Filed: April 10, 2020
    Publication date: August 27, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Shintaro USUI, Minako IKESHITA
  • Publication number: 20200274199
    Abstract: The present invention provides an energy device having excellent properties. Also provided is a nonaqueous electrolyte solution containing a compound represented by the following Formula (1), wherein R11, R12 and R13 each independently represent an organic group having 1 to 3 carbon atoms; and R11 and R12, R11 and R13, or R12 and R13 are optionally bound with each other to form a 5-membered ring or a 6-membered ring, with a proviso that a total number of carbon atoms of R11, R12 and R13 is 7 or less.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 27, 2020
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Atsushi WATARAI, Hiroyuki TOKUDA, Akiko YABE
  • Publication number: 20200270186
    Abstract: The present invention relates to a method for producing an aldehyde by a hydroformylation reaction of reacting an olefin with hydrogen and carbon monoxide in the presence of a Group 8 to 10 metal-phosphine complex catalyst, including the following steps (1) and (2): (1) a step of oxidizing by withdrawing a reaction solution having accumulated therein a high-boiling-point byproduct from a reaction zone and bringing the withdrawn reaction solution into contact with an oxygen-containing gas, and (2) a step of, after the step (1), mixing a poor solvent and hydrogen with the reaction solution, then crystallizing the Group 8 to 10 metal-phosphine complex catalyst by crystallization, and recovering the crystallized complex catalyst from the reaction solution.
    Type: Application
    Filed: May 11, 2020
    Publication date: August 27, 2020
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takashi Sato, Yoshiyuki Tanaka
  • Patent number: 10754065
    Abstract: An object of the present invention is to provide a retardation film excellent in various properties such as optical properties, heat resistance, mechanical properties, and reliability. The present invention relates to a retardation film containing a thermoplastic resin and composed of a single layer, in which the retardation film has a value of wavelength dispersion that is a ratio of retardations at a wavelength of 450 nm and at a wavelength of 550 nm being 0.75 or more and 0.92 or less; a birefringence at a wavelength of 550 nm and the wavelength dispersion satisfy a relationship of ?n?0.0140×(R450/R550)?0.0082; and a photoelastic coefficient is 25×10?12 Pa?1 or less.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: August 25, 2020
    Assignees: NITTO DENKO CORPORATION, Mitsubishi Chemical Corporation
    Inventors: Shingo Namiki, Yuuichi Hirami, Hisatoshi Uehara, Hiroyuki Hayashi, Takashi Shimizu, Hiroshi Sumimura, Nao Murakami