Patents Assigned to Mitsui Chemicals, Inc.
  • Patent number: 11475797
    Abstract: A simulated eyeball for training in ophthalmic surgery includes a simulated sclera region that constitutes a simulated sclera, and a conductor layer that is formed on a side of the simulated sclera region that is on an interior of the simulated eyeball, the conductor layer forming a simulated choroid region.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: October 18, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Seiji Omata, Fumihito Arai
  • Patent number: 11474280
    Abstract: The polymerizable composition for an optical material of the present invention includes a compound (A) represented by General Formula (a) and including two or more allyloxycarbonyl groups, at least one kind of radical polymerization initiator (B) selected from the group consisting of a peroxyketal-based radical polymerization initiator, a peroxymonocarbonate-based radical polymerization initiator, and a peroxyester-based radical polymerization initiator, and a modifier (C) selected from a polyether modified siloxane compound represented by General Formula (c1) or a polyol compound represented by General Formula (c2).
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: October 18, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tatsuya Ogawa, Masayuki Furuya, Shinsuke Ito
  • Patent number: 11474429
    Abstract: A method of producing a substrate with a fine uneven pattern is a method of producing a substrate having a fine uneven pattern on a surface thereof, the method including a step (a) of preparing a laminate provided with a substrate and a first resin layer provided on the substrate and having a first fine uneven pattern formed on a surface thereof; and a step (b) of forming a second fine uneven pattern corresponding to the first fine uneven pattern on the surface of the substrate by etching the surface of the first fine uneven pattern using the first resin layer as a mask, in which the first resin layer is formed of a resin composition (P) including a fluorine-containing cyclic olefin polymer (A) or a cured product of the resin composition (P).
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: October 18, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takashi Oda, Hisanori Ohkita, Yasuhisa Kayaba
  • Publication number: 20220315748
    Abstract: A thermoplastic elastomer composition: 41 to 70 parts by mass of component (A), 0 to 54 parts by mass of component (B), and 5 to 59 parts by mass of component (C) ((A), (B), and (C) being 100 parts by mass), with dynamic heat treatment with a cross-linking agent. Component (A): a propylene block copolymer having a melt flow rate measured in accordance with ISO1133. Component (B): an ethylene/?-olefin/non-conjugated polyene copolymer including a structural unit derived from ethylene, a structural unit derived from an ?-olefin having 3 to 20 carbon atoms, and a structural unit derived from a non-conjugated polyene. Component (C): an ethylene/?-olefin copolymer including a structural unit derived from ethylene and a structural unit derived from an ?-olefin having 4 to 20 carbon atoms and having a melt flow rate measured in accordance with ISO 1133.
    Type: Application
    Filed: June 17, 2020
    Publication date: October 6, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Ryo ISHIKAWA, Ryosuke ABURAKI, Remi KUSUMOTO
  • Patent number: 11462673
    Abstract: A piezoelectric substrate attachment structure including a cable-shaped piezoelectric substrate, a press section provided adjacent to the piezoelectric substrate and pressed from an opposite side from the piezoelectric substrate, and a base section provided adjacent to the piezoelectric substrate on an opposite side from the press section. A ratio Eb/Ea of a Young's modulus Eb of the base section to a Young's modulus Ea of the press section being 10?1 or lower.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: October 4, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Mitsunobu Yoshida, Kazuhiro Tanimoto, Masahiko Mitsuzuka
  • Patent number: 11453768
    Abstract: A novel vinyl chloride resin composition having exceptional transparency is provided. This resin composition comprises 3-15 parts by mass of a rubbery impact-absorbing material (B) for which the glass transition point in differential scanning calorimetry does not exceed 0° C., and 0.1-10 parts by mass of a lubricant (C) that satisfies (i)-(iv) below, the content amounts above being indicated relative to 100 parts by mass of a vinyl chloride resin (A) having a chlorine content of 55-75 mass %. (i) The melt viscosity at 200° C. is 5-5,000 mPa·s (ii) The softening point is in the range of 60?180° C. (iii) The glass transition point (Tg) as measured in DSC is in the range of 0?100° C.
    Type: Grant
    Filed: January 23, 2018
    Date of Patent: September 27, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Hirotaka Kanaya, Kuniaki Kawabe, Yosuke Takahashi, Koji Matsunaga
  • Publication number: 20220289945
    Abstract: A polymerizable composition for an optical material of the present disclosure includes (A) an isocyanate compound, (B) at least one active hydrogen compound selected from the group consisting of a polythiol compound having two or more mercapto groups, a hydroxythiol compound having one or more mercapto groups and one or more hydroxyl groups, a polyol compound having two or more hydroxyl groups, and an amine compound, and (C) an ultraviolet absorber represented by General Formula (1).
    Type: Application
    Filed: February 7, 2020
    Publication date: September 15, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaru KAWAGUCHI, Shinsuke ITO
  • Publication number: 20220288817
    Abstract: A method of manufacturing an optical member by curing a thermally polymerizable composition by heating includes, in the following order: a first step of filling an inside of a mold with the thermally polymerizable composition in which the mold is configured by disposing a frame-shaped member, with a Young's modulus of 1.0 GPa or more at a polymerization initiation temperature of the thermally polymerizable composition, between two mold members facing each other; and a second step of heating the mold to the polymerization initiation temperature or more.
    Type: Application
    Filed: September 16, 2020
    Publication date: September 15, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shinsuke ITO, Nigel RIBEIRO
  • Patent number: 11442066
    Abstract: Finding a protein of a minute amount present on a cell membrane to provide a method for producing an antibody against the protein. Producing an antibody using a protein identified by an identification method including: a labeling step of using a labeling agent comprising at least one selected from bis-iminobiotin compounds and bis-biotin compounds to obtain cells having a labeled protein; a degradation step of preparing a degradation product for an immobilization treatment, the degradation product containing the labeled protein; an immobilization step of immobilizing the labeled protein contained in the degradation product for an immobilization treatment on a stationary phase via a streptavidin mutant; a cleavage step of releasing an analysis sample from the stationary phase on which the labeled protein is immobilized; and an analysis step of analyzing the analysis sample to identify the labeled protein.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: September 13, 2022
    Assignees: MITSUI CHEMICALS, INC, NATIONAL INSTITUTES OF BIOMEDICAL INNOVATION HEALTH AND NUTRITION, SAVID THERAPEUTICS INC.
    Inventors: Tsuneji Suzuki, Yoshiyuki Totani, Kosuke Mano, Shinichi Banba, Haruhiko Kamada, Taisuke Nakayama, Hiroki Akiba, Kouhei Tsumoto, Tsuyoshi Inoue
  • Publication number: 20220282933
    Abstract: A heating element accommodation case, comprising a casing to accommodate a heating element, the casing having a flow channel configured for a liquid to flow through, a portion of the flow channel being formed of a resin; and a heating element accommodation case, comprising a casing to accommodate a heating element and an airflow channel configured for air to flow through.
    Type: Application
    Filed: September 30, 2020
    Publication date: September 8, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kazuki KIMURA, Mizue KURIYAGSWA, Tomoki TORII, Yasuyuki OKUMURA, Norihide TOBA, Takashi NAKATA
  • Publication number: 20220275135
    Abstract: A cyclic olefin-based copolymer resin composition includes a cyclic olefin-based copolymer (M); and a maleimide compound (L), in which the cyclic olefin-based copolymer (M) includes a cyclic olefin-based copolymer (m) including a repeating unit represented by a specific general formula, the maleimide compound (L) has a solubility parameter (SP value) obtained by Fedors method of 19J1/2/cm3/2 or more and 26J1/2/cm3/2 or less and includes a maleimide compound (1), which is a bismaleimide compound having at least two maleimide groups in a molecule, and when a total of the cyclic olefin-based copolymer (M) and the maleimide compound (L) is 100 parts by mass, a content of the maleimide compound (L) is 1 part by mass or more and 50 parts by mass or less.
    Type: Application
    Filed: November 22, 2019
    Publication date: September 1, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hirohiko MURASE, Koutarou ASAHINA, Fumito TAKEUCHI
  • Publication number: 20220275304
    Abstract: A lubricating oil composition with a resin (A) and a base oil (B), the resin (A) is in a range of 0.01 to 50 parts by mass per 100 parts of (A) and (B), the resin (A) satisfies the following requirements: (A-1) the resin (A) is a polymer including a constituent unit from 4-methyl-1-pentene in a range of 60 to 99 mol % and a constituent unit from an ?-olefin having 2 to 20 carbon atoms (excluding 4-methyl-1-pentene) in a range of 1 to 40 mol % (provided that 4-methyl-1-pentene and the ?-olefin is 100 mol %); (A-2) intrinsic viscosity [?] measured in decalin at 135° C. is in a range of 0.01 to 5.0 dl/g; (A-3) a melting point (Tm) is in a range of 110 to 150° C. as determined by DSC; and the base oil (B) has (B-1) kinematic viscosity at 100° C. is in a range of 1 to 50 mm2/s.
    Type: Application
    Filed: August 26, 2020
    Publication date: September 1, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Akio HAYAKAWA, Shuhei YAMAMOTO, Akihiro UDAGAWA, Masahiro YAMASHITA, Yusuke SAITO
  • Publication number: 20220275125
    Abstract: A urethane allyl compound having a urethane bond and an allyloxy group.
    Type: Application
    Filed: August 11, 2020
    Publication date: September 1, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Naoyuki KAKINUMA
  • Publication number: 20220276410
    Abstract: A laminated body including: a substrate; a storage layer; and a buffer layer disposed in this order, in which the storage layer is formed of a cured product of a composition containing a polyfunctional monomer (a1), inorganic particles (a2), and a surfactant (a3), the buffer layer is formed of a cured product of a composition containing a polyfunctional monomer (b1) and inorganic particles (b2), a content mass of the inorganic particles (a2) is 30% by mass or more, a content mass of the inorganic particles (b2) is 30% by mass or more, and the polyfunctional monomer (a1) and the polyfunctional monomer (b1) contain a polyfunctional monomer having a molecular weight per epoxy group in one molecule of 200 g/mol or more.
    Type: Application
    Filed: February 21, 2022
    Publication date: September 1, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Makoto WATANABE
  • Patent number: 11426977
    Abstract: Disclosed are a method for producing a laminate including a step of laminating a resin impregnated fiber reinforced composition layer on a metal member, wherein the method includes a step of forming a resin coating on the metal member and a step of laminating a resin impregnated fiber reinforced composition layer containing a resin impregnated fiber reinforced composition containing (I) 20 to 80% by mass of a polymer having a melting point and/or a glass transition temperature of 50 to 300° C., and (C) 20 to 80% by mass of a reinforcing fiber (provided that the sum of the component (I) and the component (C) is taken as 100% by mass) via the above resin coating; and a laminate obtained by the method.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: August 30, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Takeharu Isaki, Sunao Maeda, Masako Yoshida, Yuichi Itou, Kazuaki Kikuchi
  • Publication number: 20220266568
    Abstract: An object of the present invention is to provide a laminate of an olefin-type rubber, which is non-polar or has a small polarity and which is difficult to bond with a different material, and a rubber including Group 16 elements and/or Group 17 elements, which is a different kind of rubber. The laminate according to the present invention includes a structure including, in order, an olefin-type rubber layer (A); an adhesive resin layer (B) containing at least one selected from the group consisting of an ethylene/vinyl acetate copolymer, a silane-modified ethylene/vinyl acetate copolymer, an ethylene/acrylic acid copolymer and an ionomer thereof, and an ethylene/methacrylic acid copolymer and an ionomer thereof; and a rubber layer (C) containing Group 16 elements and/or Group 17 elements.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 25, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yoshiharu KIKUCHI, Kotaro ICHINO
  • Patent number: 11421135
    Abstract: A curable composition includes a blocked isocyanate in which an NCO group of an isocyanate compound having a H6XDI skeleton is blocked by a blocking agent having an O?C—CH—C?O skeleton, a curable functional group-containing fluorine polymer, and an alkoxysilane having a functional group including at least one element of a group 15 element to a group 16 element of the periodic table (excluding oxygen). In the curable composition allowing a titanium oxide to be contained, the molar ratio of the curable functional group to the NCO group is 0.5 to 10; the content ratio of the alkoxysilane with respect to 100 pans by mass of the total amount of the blocked isocyanate and the fluorine polymer is 0.2 to 8 parts by mass; and the content ratio of the titanium oxide with respect to 100 parts by mass of the fluorine polymer is 0 to 200 parts by mass.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: August 23, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kazuyuki Fukuda, Jun Kamada, Takashi Uchida, Hideaki Otsuka, Shinji Tachibana
  • Patent number: 11414515
    Abstract: A polymerizable composition for an optical material according to the present invention includes one or two or more compounds selected from the group consisting of component (A): an ester compound having a specific structure and component (B): an ether compound having a specific structure, and a polymerizable compound.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: August 16, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shinsuke Ito, Koji Suesugi, Masayuki Furuya, Takeshi Nishimura, Mamoru Tanaka
  • Publication number: 20220251260
    Abstract: A propylene-ethylene-?-olefin copolymer satisfying: (I) a content of a propylene-derived constituent unit (i) is 50 to 92 mol %, a content of an ethylene-derived constituent unit (ii) is 5 to 20 mol %, and a content of a C4-20 ?-olefin-derived constituent unit (iii) is 3 to 30 mol %, provided that (i) to (iii) total 100 mol %; (II) an mm fraction calculated by 13C-NMR is 85% or more; (III) 0.9?MOE/(2MO×ME)?1.5 wherein MOE represents a mole fraction of chains of propylene and ethylene and chains of the C4-20 ?-olefin and ethylene in total to the total dyad, MO represents mole fractions of propylene and the C4-20 ?-olefin in total, and ME represents a mole fraction of ethylene; (IV) an MFR is 1 to 3 g/10 minutes; and (V) a melting point measured by DSC is less than 100° C., or no melting peak is observed.
    Type: Application
    Filed: May 28, 2020
    Publication date: August 11, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takahiro MIZUMA, Tatsuya OKU, Nozomi KAMIYA, Kiminori NODA, Tetsuya NAKAMURA, Makoto EGAWA, Yuki KAI, Hiroshi HOYA
  • Publication number: 20220249331
    Abstract: A method of manufacturing a monomer composition includes a step of mixing a zinc catalyst (A), an iso(thio)cyanate compound (B) having an iso(thio)cyanate group, and an alcohol compound (C) having a hydroxy group, and at least one of the iso(thio)cyanate compound (B) or the alcohol compound (C) has a (meth)acryloyl group.
    Type: Application
    Filed: August 7, 2020
    Publication date: August 11, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Naoyuki KAKINUMA