Patents Assigned to Mitsui Chemicals, Inc.
  • Publication number: 20200291157
    Abstract: An object of the present invention is to provide a curable composition having sufficient polymerization properties even under acidic conditions. The curable composition of the present invention includes (a) a polymerizable monomer having an acidic group, (b) a transition metal compound, (c) at least one compound selected from benzoxazole compounds and benzothiazole compounds, and (d) a reducing agent.
    Type: Application
    Filed: October 25, 2018
    Publication date: September 17, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takenori MITAMURA, Yoko KOSUGI
  • Patent number: 10774038
    Abstract: A process for producing cyanonorbornene of the present invention includes Step 1 of preparing a mixture solution including 0.5% by weight to 28% by weight of methyl bicyclononadiene, with respect to a total amount of 100% by weight of dicyclopentadiene, acrylonitrile, and the methyl bicyclononadiene, in a container, and Step 2 of reacting the bicyclopentadiene with the acrylonitrile in the presence of the methyl bicyclononadiene, in the mixture solution.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: September 15, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shigetoshi Kuma, Tomoya Sanda
  • Publication number: 20200282709
    Abstract: A resealable packaging container, which is a resealable package including a lid material that uses a multilayer film including three layers in which a substrate layer (A), an intermediate layer (B), and a heat seal layer (C) are laminated in the sequence (A)/(B)/(C); and a bottom material that uses a single-layer or multilayer sheet having an adherend (D) that can adhere to the heat seal layer (C), wherein the substrate layer (A), the intermediate layer (B), and the heat seal layer (C) all include a polyolefin resin, and when the heat seal layer (C) and the adherend (D) are heat-sealed to form a heat seal part, and the multilayer film is subsequently peeled from the heat seal part, the intermediate layer (B) and the heat seal layer (C) are delaminated and exposed in a resealable state.
    Type: Application
    Filed: February 2, 2017
    Publication date: September 10, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Tatsuya OKU, Shinya TANAKA, Makoto EGAWA
  • Patent number: 10768443
    Abstract: Provided are electronic eyeglasses including a power supply unit that is less likely to be unfastened and is easily attachable and detachable. A power supply unit is detachably attached to an accommodating chamber in a distal end portion of a temple. The power supply unit includes, from a front end toward a rear end, an electrical connection terminal; a first housing unit that holds a first battery, and that has a side surface having an arc shape in a plan view; a narrow portion that is connected to the arc-shaped side surface, and that has a side surface narrower than the side surface; and a second housing unit that has a side surface connected to the narrow side surface, and that hold a second battery. The accommodating chamber has a protruding portion that is elastically deformed so as to be fitted to the narrow portion of the power supply unit.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: September 8, 2020
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Masayoshi Hino, Ryuki Kan
  • Patent number: 10759964
    Abstract: A composition for forming a film for semiconductor devices including: a compound (A) including a cationic functional group containing at least one of a primary nitrogen atom or a secondary nitrogen atom and having a weight average molecular weight of from 10,000 to 400,000; a crosslinking agent (B) which includes the three or more —C(?O)OX groups (X is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms) in the molecule, in which from one to six of three or more —C(?O)OX groups are —C(?O)OH groups, and which has a weight average molecular weight of from 200 to 600; and water (D), in which the compound (A) is an aliphatic amine.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: September 1, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yasuhisa Kayaba, Hirofumi Tanaka, Hiroko Wachi, Shoko Ono
  • Patent number: 10752796
    Abstract: A water-based inkjet ink composition comprising composite resin fine particles composed of a first resin and a second resin, and having an SP value of from 9.0 to 12.0 (cal/cm3)1/2, wherein the SP value of the second resin is higher than the SP value of the first resin, and the first resin has a higher mass than the second resin.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: August 25, 2020
    Assignees: Seiko Epson Corporation, MITSUI CHEMICALS, INC.
    Inventors: Kenichi Seguchi, Tsuyoshi Sano, Miharu Kanaya, Takayoshi Kagata, Akira Mizutani, Toshihiro Yoshimura, Yasuyuki Kagawa
  • Patent number: 10752805
    Abstract: Provided is a composition for forming a film for semiconductor devices, including: a compound (A) including a Si—O bond and a cationic functional group containing at least one of a primary nitrogen atom or a secondary nitrogen atom; a crosslinking agent (B) which includes three or more —C(?O)OX groups (X is a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms) in the molecule, in which from one to six of three or more —C(?O)OX groups are —C(?O)OH groups, and which has a weight average molecular weight of from 200 to 600; and a polar solvent (D).
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: August 25, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yasuhisa Kayaba, Hirofumi Tanaka, Koji Inoue
  • Publication number: 20200264511
    Abstract: A material for forming an underlayer film according to the present invention is a material for forming an underlayer film which is used to form a resist underlayer film used in a multi-layer resist process, the material including a cyclic olefin polymer which has a repeating structural unit [A] represented by Formula (1) and a repeating structural unit [B] represented by Formula (2), in which a molar ratio [A]/[B] of the structural unit [A] to the structural unit [B] in the cyclic olefin polymer is greater than or equal to 5/95 and less than or equal to 95/5.
    Type: Application
    Filed: May 30, 2018
    Publication date: August 20, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Koji INOUE, Takashi ODA, Keisuke KAWASHIMA
  • Publication number: 20200254728
    Abstract: A metal/resin composite structure includes: a metal member (M) having a fine uneven surface; and a polyamide-based resin member (A) bonded to the metal member (M), and the polyamide-based resin member (A) satisfies the following condition [A1] and condition [A2]: [A1] a glass transition temperature (Tg) observed by a differential scanning calorimeter (DSC) is equal to or higher than 85° C. and equal to or lower than 140° C.; and [A2] a crystallization temperature (Tc) observed by a differential scanning calorimeter (DSC) is equal to or higher than 250° C. and equal to or lower than 292° C.
    Type: Application
    Filed: October 25, 2018
    Publication date: August 13, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masaki MISUMI, Kazuki KIMURA, Kaoru MINAGAWA
  • Publication number: 20200247925
    Abstract: The present invention provides a 4-methyl-1-pentene/?-olefin copolymer being excellent in lightness, stress absorption, stress relaxation, vibration damping properties, scratch resistance, abrasion resistance, toughness, mechanical properties and flexibility, having no stickiness during molding operation and being excellent in the balance among these properties; a composition comprising the polymer; and uses thereof. The 4-methyl-1-pentene/?-olefin copolymer (A) of the present invention satisfies specific requirements, and comprises 5 to 95 mol % of a structural unit (i) derived from 4-methyl-1-pentene, 5 to 95 mol % of a structural unit (ii) derived from at least one kind of ?-olefin selected from ?-olefins having 2 to 20 carbon atoms excluding 4-methyl-1-pentene and 0 to 10 mol % of a structural unit (iii) derived from a non-conjugated polyene, provided that the total of the structural units (i), (ii), and (iii) is 100 mol %.
    Type: Application
    Filed: April 14, 2020
    Publication date: August 6, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takayuki UEKUSA, Masahiko OKAMOTO, Yoshisada TAMO
  • Patent number: 10730988
    Abstract: Modified polyolefin particles are obtained by grafting a monomer having an ethylenically unsaturated group and a polar functional group in the same molecule to a polymer including one, or two or more specific ?-olefins and having a specific melting point, the modified polyolefin particles satisfying the following requirements (1) to (3): (1) the amount of grafting x by the monomer is not less than 0.5 wt % and not more than 20 wt %; (2) the x (wt %) and the intrinsic viscosity [?] (dl/g) measured in decalin at 135° C. satisfy the relation: log10[?]?0.1?0.15x; and (3) the particles have a gel content of less than 1 wt %.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: August 4, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Ryohei Shiga, Keiichi Ikeda, Kazuto Sugiyama, Takeharu Isaki, Masayoshi Aoki
  • Publication number: 20200239408
    Abstract: A process for producing cyanonorbornene of the present invention includes Step 1 of preparing a mixture solution including 0.5% by weight to 28% by weight of methyl bicyclononadiene, with respect to a total amount of 100% by weight of dicyclopentadiene, acrylonitrile, and the methyl bicyclononadiene, in a container, and Step 2 of reacting the bicyclopentadiene with the acrylonitrile in the presence of the methyl bicyclononadiene, in the mixture solution.
    Type: Application
    Filed: July 23, 2018
    Publication date: July 30, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shigetoshi KUMA, Tomoya SANDA
  • Publication number: 20200239742
    Abstract: A method of producing a laminate comprising a heat treatment step under a temperature condition of 80-140° C. for 5-120 minutes, wherein the laminate satisfies the following requirements: (1) an adhesive layer (I) with 97-70% by weight of a propylene copolymer (A) and 3-30% by weight of a copolymer (B) having a structural unit derived from butane (100% by weight); (2) the copolymer (A) has a melting point within a specific range and includes less than 1 mol % of structural unit from butane; (3) the copolymer (B) has a melting point within a specific range and includes 1 mol % or more of structural unit from butane; (4) the adhesive layer (I) has a polymer (C) with a structural unit from at least one graft monomer selected unsaturated carboxylic acids and derivatives thereof, and, (5) a substrate layer (II) includes a polyester resin.
    Type: Application
    Filed: March 22, 2018
    Publication date: July 30, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takahiro MAEDA, Yoshiyuki OGAWA
  • Publication number: 20200241419
    Abstract: Provided is a resin material for forming an underlayer film which is used to form a resist underlayer film used in a multi-layer resist process, the resin material including a cyclic olefin polymer (I), in which a temperature at an intersection between a storage modulus (G?) curve and a loss modulus (G?) curve in a solid viscoelasticity of the resin material for forming an underlayer film which is as measured under conditions of a measurement temperature range of 30° C. to 300° C., a heating rate of 3° C./min, and a frequency of 1 Hz in a nitrogen atmosphere in a shear mode using a rheometer is higher than or equal to 40° C. and lower than or equal to 200°.
    Type: Application
    Filed: May 30, 2018
    Publication date: July 30, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Keisuke KAWASHIMA, Takashi ODA, Koji INOUE
  • Patent number: 10723832
    Abstract: There is provided a polymerizable composition for an optical material including a polyether-modified compound having a polyether group represented by General Formula (4) below, and a polymerization reactive compound. (In General Formula (4), R25 represents a linear or branched alkylene group having 1 to 20 carbon atoms, R26 represents a hydrogen atom, a linear or branched alkyl group having 1 to 20 carbon atoms, a linear or branched alkenyl group having 2 to 20 carbon atoms, or a linear or branched alkynyl group having 2 to 20 carbon atoms, a plurality of present R25's may be the same or different, and k is an integer equal to or more than 1.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: July 28, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shinsuke Ito, Kouji Suesugi, Takeshi Nishimura, Kouju Okazaki, Mamoru Tanaka
  • Patent number: 10723862
    Abstract: A polymerizable composition for an optical material of the present invention includes a compound (A) represented by General Formula (1) including two or more allyloxycarbonyl groups; an ultraviolet absorbing agent (B) represented by General Formula (i); at least one kind of radical polymerization initiator (C) 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; at least one kind of dye (D) selected from an anthraquinone-based dye, a perinone-based dye, a monoazo-based dye, a diazo-based dye, and a phthalocyanine-based dye.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: July 28, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tatsuya Ogawa, Andrea Vecchione, Roberto Forestieri, Fiorenzo Renzi, Willem Bos
  • Publication number: 20200230910
    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 comprising Group 15 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 layer (C) containing a rubber containing Group 15 elements.
    Type: Application
    Filed: February 13, 2018
    Publication date: July 23, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yoshiharu KIKUCHI, Kotaro ICHINO
  • Publication number: 20200233117
    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: Application
    Filed: February 21, 2018
    Publication date: July 23, 2020
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Tatsuya OGAWA, Masayuki FURUYA, Shinsuke ITO
  • Publication number: 20200230934
    Abstract: The present invention provides a method for manufacturing a laminate, comprising the step of co-extruding a polycarbonate and an adhesive composition to thereby form a polycarbonate layer (A) and an adhesive layer (B) at least a part of which is laminated to the layer (A); and the step of heat-treating the polycarbonate layer (A) and the adhesive layer (B), wherein the adhesive composition satisfies the following requirements (i) to (iii): (i) comprising a polyolefin formed through a reaction between a polyolefin (a) having a group reactive with a carbodiimide group and a carbodiimide group-containing compound (b); (ii) comprising carbodiimide groups in an amount of 0.1 to 50 mmol per 100 g of adhesive composition; and (iii) having a density of 0.870 g/cm3 to 0.940 g/cm3.
    Type: Application
    Filed: February 20, 2018
    Publication date: July 23, 2020
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takashi YAMASAKI, Ryohei SHIGA, Yoshiyuki OGAWA
  • Publication number: 20200234831
    Abstract: A machine learning device that includes a training section configured perform training based on plural training data each configured from oral cavity information detected from a specimen and at least one determination value selected from the group consisting of a probability of periodontal disease contraction of a provider of the specimen or a state of periodontal disease, so as to train the function to decide the determination value. The training section includes a reward calculation section, a function updating section, and a convergence determination section. The reward calculation section calculates a reward for a defined result of the probability of periodontal disease contraction or the state of periodontal disease based on the training data. The function updating section updates the function so as to increase the reward calculated by the reward calculation section. The convergence determination section causes repeated calculations and updates until a predetermined convergence condition is satisfied.
    Type: Application
    Filed: February 28, 2018
    Publication date: July 23, 2020
    Applicant: Mitsui Chemicals, Inc.
    Inventor: Makoto TANIGUCHI