Patents Assigned to Mitsubishi Chemical Corporation
  • Patent number: 11731406
    Abstract: Disclosed is a laminate including a protection layer, a barrier layer, and a heat sealing layer, in which a product of a tensile elastic modulus A in a reference direction, a tensile elastic modulus B in a direction forming an angle of 45° with respect to the reference direction, and a tensile elastic modulus C in a direction forming an angle of 90° with respect to the reference direction is 0.22 (GPa)3 or less, and a value of the tensile elastic modulus B to the tensile elastic modulus A, a value of the tensile elastic modulus C to the tensile elastic modulus A, and a value of the tensile elastic modulus C to the tensile elastic modulus B are each 0.1 to 10.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: August 22, 2023
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Shinji Nakanishi, Kohei Oura, Yoshitaka Matsumura
  • Patent number: 11732862
    Abstract: An indicator lamp of the present invention includes a lamp body, a light source unit disposed inside the lamp body, and a light transmissive resin member disposed at a position for transmitting light that is emitted from the light source unit and for outputting the light from the lamp body. The light source unit emits red light having a maximum value of light intensity at a wavelength of 600 nm or longer and 700 nm or shorter. The light transmissive resin member has an L* value of 35 or less, a transmittance of light having a wavelength of 675 nm of 90% or greater and a total light transmittance of 5% or greater in the state in which an optical path length of transmitting light is 2 mm. This configuration provides an indicator lamp with excellent design that shows its presence by showing a red chromatic tone when a light source is turned on and that shows a black color tone when the light source is turned off.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: August 22, 2023
    Assignees: NISSAN MOTOR CO., LTD., MITSUBISHI CHEMICAL CORPORATION
    Inventors: Yu Sasaki, Tatsuomi Nakayama, Yusuke Hirata, Takao Marutani, Tadayoshi Sawada
  • Publication number: 20230257503
    Abstract: There is provided a resin composition containing a copolymer (A) containing a constitutional unit based on a silicone macromonomer (X) that contains a polyalkylsiloxane unit and a constitutional unit based on a monomer (Y) having a group represented by Formula (1) and a component (B) consisting of a silane compound or a partially hydrolyzed condensate thereof, in which with respect to the total mass of all constitutional units that constitute the copolymer (A), the total of a proportion of the constitutional unit based on the silicone macromonomer (X) and a proportion of the constitutional unit based on the monomer (Y) is 55% by mass or more.
    Type: Application
    Filed: March 8, 2023
    Publication date: August 17, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Miki SANADA, Yoshihide SATO
  • Publication number: 20230258066
    Abstract: An object of the present invention is to provide a diverting agent having an excellent filling property against various fractures. The diverting agent of the present invention contains a powder-like polyvinyl alcohol-based resin (P1) and a pellet-like polyvinyl alcohol-based resin (P2), and has an adsorption coefficient kc of 0.01 or more and 1 or less, which is obtained by a method including steps (i) to (iii). (The steps (i) to (iii) are the same as those described in the description.
    Type: Application
    Filed: April 20, 2023
    Publication date: August 17, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Shusaku MANDAI, Yasuhiro HIRANO, Yuya KANAMORI, Kenji FURUI, Keito IKEBATA, Tomoki ONISHI
  • Publication number: 20230258857
    Abstract: There is provided a light guide plate for image display includes: a first laminate (11) configured to be provided with a first resin base (1), a first anchor coat layer (2), and a first barrier layer (3) in this order; and a hologram layer (4), wherein the first barrier layer (3) is made of silicon oxynitride as a main component and a nitrogen element formulation, which is determined by X-ray photoelectron spectroscopy (XPS), in the first barrier layer (3) is greater than 0 atm % and 25 atm % or less.
    Type: Application
    Filed: March 24, 2023
    Publication date: August 17, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Shinichiro KANAI, Shuichi KUBO, Takayuki WATANABE, Yoshio WAKAYAMA
  • Publication number: 20230259046
    Abstract: There is provided an electrophotographic photoreceptor including: a conductive support; and a photosensitive layer and a protective layer containing a cured product obtained by curing a curable compound, which are sequentially disposed on the conductive support. An area ratio A/B is 0.0045 or less, where A is an absorbance area at a wavelength of 1647 cm?1 to 1627 cm?1 and B is an absorbance area of a peak at a wavelength of 1800 cm?1 to 1647 cm?1 in an infrared absorption spectrum measurement of the protective layer. The photosensitive layer contains at least a hole transport material (HTM) and a radical acceptor compound. The electrophotographic photoreceptor is an electrophotographic photoreceptor including a protective layer with a high curing degree and having good initial electrical characteristics, excellent strong exposure characteristics, and excellent transfer repeatability.
    Type: Application
    Filed: April 19, 2023
    Publication date: August 17, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Takahiro Choda, Yuka Nagao, Akira Ando
  • Patent number: 11724423
    Abstract: Provided is a mold release film capable of transferring a concave-convex structure to the surface of an adhesive film.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: August 15, 2023
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Nobuaki Sasaki, Yoshihide Sato
  • Publication number: 20230250237
    Abstract: A polyorganosiloxane may be high in elasticity and/or strength. The polyorganosiloxane may include an M unit (R1R2R3SiO1/2) at a content of 10 mol. % or more relative to the total of silicon and a T unit (R6SiO3/2) at a content of 80 mol. % or less relative to the total of silicon. The polyorganosiloxane may have an alkoxy group bound, at a content of 0.07 to 4 wt. %, based on total polyorganosiloxane weight, and a reactive functional group bound to silicon, with 3 to 12 of the reactive functional groups bound on a number basis per a molecular weight of 1000 of the polyorganosiloxane. The weight loss of the polyorganosiloxane at 110° C. under 0.15 torr for 2 hours may be 5 wt. % or less.
    Type: Application
    Filed: February 8, 2023
    Publication date: August 10, 2023
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Takumi WATANABE, Noriaki TERADA, Tsuyoshi NAGASAKA, Shogo KOGA, Kazuma INOUE, Kazunari MATSUMURA, Naomi FUJIMORI, Hiroo MIYAUCHI, Akemi HOSOKAWA
  • Publication number: 20230253461
    Abstract: An object is to provide a nonpolar or semipolar GaN substrate having improved size and crystal quality. A self-standing GaN substrate has an angle between the normal of the principal surface and an m-axis of 0 degrees or more and 20 degrees or less, wherein: the size of the projected image in a c-axis direction when the principal surface is vertically projected on an M-plane is 10 mm or more; and when an a-axis length is measured on an intersection line between the principal surface and an A-plane, a low distortion section with a section length of 6 mm or more and with an a-axis length variation within the section of 10.0×10?5 ? or less is observed.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Satoru NAGAO, Yusuke TSUKADA, azunori KAMADA, Shuichi KUBO, Hirotaka IKEDA, Kenji FUJITO, Hideo FUJISAWA, Yutaka MIKAWA, Tae MOCHIZUKI
  • Publication number: 20230250334
    Abstract: A phosphor having a favorable emission peak wavelength, narrow full width at half maximum, and/or high emission intensity is provided. Additionally, a light-emitting device, an illumination device, an image display device, and/or an indicator lamp for a vehicle having favorable color rendering, color reproducibility and/or favorable conversion efficiency are provided. The present invention relates to a phosphor including a crystal phase having a composition represented by a specific formula, and having a minimum reflectance of 20% or more in a specific wavelength region, in which the specific wavelength region is from the emission peak wavelength of the phosphor to 800 nm, and a light-emitting device comprising the phosphor.
    Type: Application
    Filed: March 30, 2023
    Publication date: August 10, 2023
    Applicants: Mitsubishi Chemical Corporation, NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Tomoyuki KURUSHIMA, Yuhei INATA, Naoto HIROSAKI
  • Publication number: 20230253626
    Abstract: A nonaqueous electrolytic solution for use in a nonaqueous electrolytic solution secondary battery that includes a negative electrode and a positive electrode capable of storing and releasing metal ions, and a nonaqueous electrolytic solution, wherein the nonaqueous electrolytic solution includes (A) a first compound that does not have an aliphatic substituent having an unsaturated bond but has a Si—Si bond; and (B) a second compound having a S?O group and/or a third compound of formula (1)
    Type: Application
    Filed: April 21, 2023
    Publication date: August 10, 2023
    Applicants: Mitsubishi Chemical Corporation, MU IONIC SOLUTIONS CORPORATION
    Inventors: Hiroaki YOSHIDA, Yasuyuki SHIGEMATSU, Minoru KOTATO
  • Publication number: 20230249389
    Abstract: Provided is a polyester-based sealant film having highly excellent heat seal strength and excellent recyclability. A polyester-based sealant film of a first aspect of the present invention is a laminated film composed of at least two layers and having a sealing layer and an outermost layer, in which the sealing layer includes a copolymerized polyester formed from a copolymer of terephthalic acid as well as another dicarboxylic acid component and a diol component, the outermost layer includes homopolyethylene terephthalate as a main component, the laminated film has a lamination configuration in which a content proportion (mol %) of the other dicarboxylic acid component in each layer decreases from the sealing layer toward the outermost layer, and a heat seal strength obtainable when the sealing layers of the laminated films are sealed at 0.2 MPa for 1 second in the range of 140° C. to 220° C. is 25 N/15 mm or higher.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 10, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Youhei Nakagawa, Wenxin Huang, Shirou Yasutomi
  • Publication number: 20230250631
    Abstract: An object of the present invention is to provide a sound-insulating structural body with which a high sound insulation effect can be obtained even when an uneven structural body having an uneven structure is disposed on a member having a high rigidity. Provided is a sound-insulating structural body including: a flexible member in which a load giving a deformation rate of 4% in a compression test performed by a compression tester is 160 kPa or less; an adherend on which the flexible member is disposed; and an uneven sheet member having an uneven structure that includes a sheet section and protruding parts provided on a surface of the sheet section. In this sound-insulating structural body, the flexible member is provided such that it is arranged between the adherend and the uneven sheet member.
    Type: Application
    Filed: March 23, 2023
    Publication date: August 10, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Masanari Nakayama, Yuya Saito, Naoyuki Uchida, Kazuma Inoue, Haruki Koshitouge
  • Publication number: 20230242813
    Abstract: A phosphor having a favorable emission peak wavelength, narrow full width at half maximum, and/or high emission intensity is provided. Additionally, a light-emitting device, an illumination device, an image display device, and/or an indicator lamp for a vehicle having favorable color rendering, color reproducibility and/or favorable conversion efficiency are provided. The present invention relates to a phosphor including a crystal phase having a composition represented by a specific formula, and when, in a powder X-ray diffraction spectrum of the phosphor, the intensity of a peak that appears in a region where 2?=38-39° is designated as Ix and the intensity of a peak that appears in a region where 2?=37-38° is designated as Iy, the relative intensity Ix/Iy of Ix to Iy is 0.140 or less, and a light-emitting device comprising the phosphor.
    Type: Application
    Filed: March 30, 2023
    Publication date: August 3, 2023
    Applicants: Mitsubishi Chemical Corporation, NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Tomoyuki KURUSHIMA, Yuhei Inata, Naoto Hirosaki
  • Publication number: 20230235221
    Abstract: A phosphor having a favorable emission peak wavelength, narrow full width at half maximum, and/or high emission intensity is provided. Additionally, a light-emitting device, an illumination device, an image display device, and/or an indicator lamp for a vehicle having favorable color rendering, color reproducibility and/or favorable conversion efficiency are provided. The present invention relates to a phosphor including a crystal phase having a composition represented by a specific formula, and when, in a powder X-ray diffraction spectrum of the phosphor, the intensity of a peak that appears in a region where 2?=38-39° is designated as Ix and the intensity of a peak that appears in a region where 2?=37-38° is designated as Iy, the relative intensity Ix/Iy of Ix to Iy is 0.140 or less, and a light-emitting device comprising the phosphor.
    Type: Application
    Filed: March 30, 2023
    Publication date: July 27, 2023
    Applicants: Mitsubishi Chemical Corporation, National Institute for Materials Science
    Inventors: Tomoyuki KURUSHIMA, Yuhei Inata, Naoto Hirosaki
  • Publication number: 20230231226
    Abstract: A partition member has a thickness direction and a surface direction perpendicular to the thickness direction, and which separates single cells that make up an assembled battery in the thickness direction, or a single cell that makes up the assembled battery in the thickness direction and a member other than the single cells. The partition member includes, in the interior thereof, a fluid having a boiling point at normal pressure of 80° C. to 250° C., and a flow channel of the fluid extending along the surface direction. The fluid is held in a fluid holding part, and the fluid holding part is hermetically sealed by a packaging material.
    Type: Application
    Filed: March 13, 2023
    Publication date: July 20, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tomohiro KAWAI, Yoko WATANABE, Iwao SOGA
  • Publication number: 20230219070
    Abstract: A catalyst may suppress pressure loss and coaking and produce a target substance in high yield when a gas-phase catalytic oxidation reaction of a material substance is conducted using the catalyst to produce the target substance. A ring-shaped catalyst may have a straight body part and a hollow body part, which is used when a gas-phase catalytic oxidation reaction of a material substance is conducted to produce a target substance, wherein a length of the straight body part is shorter than a length of the hollow body part and at least at one end part, a region from an end part of the straight body part to an end part of the hollow body part is concavely curved.
    Type: Application
    Filed: February 27, 2023
    Publication date: July 13, 2023
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Kazuharu TAZAWA, Takanori TANIGUCHI, Takuya NAKAMURA
  • Publication number: 20230218249
    Abstract: The signal processing system generates image data, based on an electric signal group output from a radiation detector, and recognizes the electric signal group as a processing target, and the electric signal group includes at least part of an electric signal group meeting the following requirements: the electric signal group is an electric signal group with a signal value within a predetermined range, the electric signal group corresponding to a gamma ray with energy equal to or less than 375 keV; the predetermined range is equal to or greater than 50% and equal to or less than 80% relative to a 100% signal value; and the 100% signal value is a signal value detected when a gamma ray with energy of 511 keV enters a radiation detection element in the radiation detector and is totally absorbed by the radiation detection element.
    Type: Application
    Filed: March 8, 2023
    Publication date: July 13, 2023
    Applicants: Mitsubishi Chemical Corporation, Tohoku University
    Inventors: Koji Hazu, Kentaro Horibe, Keiji Yamahara, Shunsuke Kurosawa, Akira Yoshikawa
  • Patent number: 11697765
    Abstract: Phosphors include a CaAlSiN3 family crystal phase, wherein the CaAlSiN3 family crystal phase comprises at least one element selected from the group consisting of Mn, Ce, Pr, Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, and Yb.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: July 11, 2023
    Assignees: MITSUBISHI CHEMICAL CORPORATION, NATIONAL INSTITUTE FOR MATERIALS SCIENCE, NICHIA CORPORATION, CITIZEN ELECTRONICS CO., LTD.
    Inventors: Naoto Hirosaki, Kyota Ueda, Hajime Yamamoto
  • Publication number: 20230212336
    Abstract: An acetoacetyl group-containing polyvinyl alcohol resin having little variation in acetoacetyl group content depending on particle size range. The acetoacetyl group-containing polyvinyl alcohol resin is a particulate acetoacetyl group-containing polyvinyl alcohol resin having an acetoacetyl group content distribution such that a ratio between the highest and the lowest acetoacetyl group content determined for a particle diameter range of less than 105 ?m, a particle diameter range of not less than 105 ?m and less than 177 ?m, a particle diameter range of not less than 177 ?m and less than 600 ?m, and a particle diameter range of not less than 600 ?m ((highest acetoacetyl group content)/(lowest acetoacetyl group content)) is less than 1.2.
    Type: Application
    Filed: February 28, 2023
    Publication date: July 6, 2023
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Tomotake YANO, Takayuki TSUJIMOTO