Patents Assigned to Mitsui Chemicals, Inc.
  • 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
  • Publication number: 20220252771
    Abstract: An optical material satisfies the following (1) to (3) by a transmittance curve in a case in which the optical material is measured at a thickness of 2 mm, and has a* of from ?4 to 1 and b* of from ?1 to 11 as a hue in a CIE 1976 (L*, a*, b*) color space: (1) the transmittance curve has a maximum value T1 of transmittance at a wavelength of from 400 nm to 445 nm of 65% or more; (2) the transmittance curve has a minimum value T2 of transmittance at a wavelength of from 445 nm to 485 nm of 60% to 90%; and (3) a minimum value of transmittance at a wavelength of from 650 nm to 800 nm is 75% or more, and an average value of transmittance at a wavelength of from 650 nm to 800 nm is 80% or more.
    Type: Application
    Filed: July 31, 2020
    Publication date: August 11, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Nobuo KAWATO, Manami TAKENAKA
  • Patent number: 11406571
    Abstract: Provided are monomers useful for dental materials that include a compound in which a core and a specific terminal group are bonded to each other directly or via a linking group, wherein the core is a C1-200 polyvalent organic group having a valence of not less than 3 containing an oxygen atom or a nitrogen atom in which an atom bonded to the terminal group or the linking group is the oxygen atom or the nitrogen atom; the terminal group is a specific (meth)acryloyl group-containing group, a (meth)acryloyl group, a C1-20 hydrocarbon group or a hydrogen atom, and the terminal group needs to meet specific requirements; and the linking group is a specific divalent group, and when the compound contains a plurality of linking groups, the linking groups may be the same as or different from each other. Compositions, dental materials and kits are also provided.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: August 9, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yoko Kosugi, Akiko Matsumoto, Kazuhiko Yoshinaga
  • Patent number: 11407885
    Abstract: The present invention relates to a thermoplastic elastomer composition comprising 10 to 80 parts by mass of polyolefin resin (A), 10 to 80 parts by mass of styrene-based thermoplastic elastomer (B), and 1 to 20 parts by mass of at least partially crosslinked rubber (C) (with the total amount of the components (A), (B) and (C) being 100 parts by mass), wherein the composition has a type D hardness (i.e., the instantaneous value) of 35 or more and 70 or less in accordance with JIS K6253, and relates to a molded thermoplastic elastomer product obtained by molding the composition.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: August 9, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masatoshi Sasaki, Makoto Yaegashi, Kakeru Chigama, Remi Kusumoto
  • Patent number: 11407846
    Abstract: Provided are a monomer which can provide a cured product having both high toughness and rigidity, a monomer composition containing the monomer, the monomer composition used as a dental material monomer composition, a dental material composition containing the monomer composition or the dental material monomer composition, a cured product thereof having excellent mechanical properties, a dental material formed by curing the dental material composition, a method for producing the monomer composition, and a method for producing the dental material. A (meth)acrylate (D) is a reaction product of an amine compound (A) having two or more amino groups, an iso(thio)cyanate compound (B) having two or more iso(thio)cyanato groups, and a hydroxy (meth)acrylate compound (C) having one or more polymerizable groups.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: August 9, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Naoyuki Kakinuma
  • Publication number: 20220247003
    Abstract: A cooling device including: a resin flow path which is provided with a space portion serving as a flow path in at least one surface; a metal cooling panel for cooling a heating element, which covers the space portion and of which at least a part is in contact with the resin flow path; and a resin bonding member for bonding the resin flow path and the metal cooling panel, in which the metal cooling panel has a fine uneven structure at least on a surface of a bonding portion with the resin bonding member, and the metal cooling panel and the resin bonding member are bonded by allowing a part of the resin bonding member to enter into the fine uneven structure.
    Type: Application
    Filed: June 12, 2020
    Publication date: August 4, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kazuki KIMURA, Takahiro TOMINAGA, Mizue KURIYAGAWA, Tomoki TORII, Kyohei NOMOTO
  • Publication number: 20220243372
    Abstract: A melt-blown nonwoven fabric includes polybutylene terephthalate, in which an intrinsic viscosity of the melt-blown nonwoven fabric is 0.45 dl/g or more and 0.60 dl/g or less.
    Type: Application
    Filed: June 2, 2020
    Publication date: August 4, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takashi HASHIMOTO, Kozo IIBA