Patents Assigned to Mitsubishi Gas Chemical Company, Inc.
  • THERMOPLASTIC RESIN, COMPOSITION, MOLDED ARTICLE, OPTICAL LENS, AND METHOD FOR PRODUCING THERMOPLASTIC RESIN
    Publication number: 20230331925
    Abstract: The problem of the present invention is to provide: a thermoplastic resin having excellent heat resistance and excellent flame retardancy and having a siloxane constituent unit, particularly a thermoplastic resin suitable for optical applications; a composition containing the thermoplastic resin; and others. The problem is solved by a thermoplastic resin containing a structural unit (A) represented by general formula (I).
    Type: Application
    Filed: September 22, 2021
    Publication date: October 19, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Daisuke TAGUCHI, Kohei KAMATANI, Hisato AKIMOTO, Kazuyoshi UERA
  • ALLERGIC DISEASE DETERMINATION METHOD AND DETERMINATION SYSTEM
    Publication number: 20230324405
    Abstract: An allergic disease determination method includes contacting probes selected from an allergen and a fragment thereof and a biological sample collected from a subject; detecting a reaction between the probes and an antibody contained in the biological sample; determining a type of the antibody reacted with the probes; inputting data associated with the reaction of each of the at least two types of probes with the antibody and data associated with a type of the bound antibody into a prediction model and acquiring a prediction result; and determining an allergic disease on the basis of the prediction result. The prediction model is a nonlinear model or a model having two or more explanatory variables and two or more terms, the model being created using training data associated with the reaction of at least the probes with the antibody and training data associated with the type of the bound antibody.
    Type: Application
    Filed: September 6, 2021
    Publication date: October 12, 2023
    Applicants: MITSUBISHI GAS CHEMICAL COMPANY, INC., NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITY
    Inventors: Erika SAWANO, Yuki TAKASE, Naoki SHIMOJO, Fumiya YAMAIDE, Taiji NAKANO
  • EPOXY RESIN CURING AGENT, EPOXY RESIN COMPOSITION, AND USE OF AMINE COMPOSITION
    Publication number: 20230323017
    Abstract: Provided are an epoxy resin curing agent containing an amine composition or a modified product thereof, wherein the amine composition contains bis(aminomethyl)cyclohexane (A) and a compound (B) represented by the following formula (1), and wherein the content of the component (B) based on 100 parts by mass of the component (A) is from 1.5 to 20.0 parts by mass, an epoxy resin composition, and an epoxy resin curing agent for an amine composition. In the formula (1), R1 is an alkyl group having 1 to 6 carbon atoms optionally having a hydroxy group, R2NHCH2—, where R2 represents an alkyl group having 1 to 6 carbon atoms, or a group represented by the following formula (1A), and p is a number of 0 to 2. In the formula (1A), R3 represents a hydrogen atom or NH2—.
    Type: Application
    Filed: August 19, 2021
    Publication date: October 12, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yuma OHNO, Kazuki KOUNO, Kousuke IKEUCHI, Emi OTA, Aoi YOKOO
  • EPOXY RESIN CURING AGENT, EPOXY RESIN COMPOSITION, AND USE OF AMINE COMPOSITION
    Publication number: 20230323018
    Abstract: Provided are an epoxy resin curing agent containing an amine composition or a modified product thereof, wherein the amine composition contains bis(aminomethyl)cyclohexane (A), a compound (B) represented by the specific formula (1), and a compound (C) represented by the specific formula (2), and wherein a mass ratio of the component (B) to the component (C) [(B)/(C)] is from 0.01 to 5.0, an epoxy resin composition, and use of an amine composition for an epoxy resin curing agent.
    Type: Application
    Filed: August 19, 2021
    Publication date: October 12, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Kousuke IKEUCHI, Kazuki KOUNO, Yuma OHNO, Emi OTA, Aoi YOKOO
  • POLYESTER RESIN AND METHOD FOR PRODUCING POLYESTER RESIN
    Publication number: 20230312817
    Abstract: A polyester resin containing: a diol constituent unit containing a unit a1 derived from spiroglycol represented by formula (1) and a unit a2 derived from ethylene glycol; and a dicarboxylic acid constituent unit containing a unit b derived from terephthalic acid and/or an ester thereof. A content of the unit a1 is from 5 to 60 mol % and a content of the unit a2 is from 30 to 95 mol %, based on a total amount of the unit a1 and the unit a2. A content of the unit b is from 80 to 100 mol % based on a total amount of the dicarboxylic acid constituent unit.
    Type: Application
    Filed: November 8, 2021
    Publication date: October 5, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Katsumi SHINOHARA, Kazua SATO, Hiroki IKARASHI
  • RESIN, METHOD FOR PRODUCING RESIN, CURABLE RESIN COMPOSITION, AND CURED PRODUCT
    Publication number: 20230312912
    Abstract: To provide a novel resin having excellent dielectric properties, a method for producing the resin, a curable resin composition, and a cured product. The resin contains constituent units described in Group (1). R1 each independently represent a methylene group, a methylene oxy group, a methylene oxy methylene group, or an oxy methylene group. R2 and R3 each independently represent a halogen atom, an alkyl group having from 1 to 10 carbons, a halogenated alkyl group having from 1 to 10 carbons, a hydroxy alkyl group having from 1 to 10 carbons, or an aryl group having from 6 to 12 carbons. R4, R5, and R6 each independently represent a hydrogen atom, a halogen atom, an alkyl group having from 1 to 10 carbons, a halogenated alkyl group having from 1 to 10 carbons, a hydroxy group, a hydroxy alkyl group having from 1 to 10 carbons, or an aryl group having from 6 to 12 carbons.
    Type: Application
    Filed: July 2, 2021
    Publication date: October 5, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Takuya UOTANI, Yoichi TAKANO, Susumu INNAN, Syouichi ITOH, Satoshi YOSHINAKA, Mika SUZUKI, Masashi OGIWARA, Hiroaki OKA
  • ANTI-REFLECTION SUBSTRATE
    Publication number: 20230312973
    Abstract: - - - Provided is an antireflection substrate formed by laminating the following layers (A), (B), (C) and (D) in this order: a substrate layer (A), a hard coating layer (B), a light absorbing layer (C), and a low refractive index layer (D), formed by curing a low refractive index resin composition containing an active energy ray-curable resin, hollow silica and a fluorine compound by an active energy ray, where the film thickness of the light absorbing layer (C) is 1 to 20 nm.
    Type: Application
    Filed: May 31, 2021
    Publication date: October 5, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshiaki YAMAMOTO, Shota WAKAYAMA
  • Antimicrobial fibers
    Patent number: 11767423
    Abstract: The invention provides an antimicrobial fiber which exhibits excellent antimicrobial properties even without the addition of antimicrobial agents and can remain antimicrobial even after repeated washing. The antimicrobial fiber comprises a fiber having on a surface thereof a polyacetal copolymer (X) containing oxyalkylene groups, the molar amount of oxyalkylene groups in the polyacetal copolymer (X) being 0.2 to 5 mol % relative to the total of the molar amount of oxymethylene groups and the molar amount of oxyalkylene groups.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: September 26, 2023
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventor: Akira Ito
  • Compound and method for producing the same, resin composition, resin sheet, multilayer printed wiring board, and semiconductor device
    Patent number: 11767287
    Abstract: A compound (A) of the present invention is represented by the formula (1): wherein each R1 independently represents a group represented by the formula (2) or a hydrogen atom, and each R2 independently represents a hydrogen atom or a linear or branched alkyl group having 1 to 6 carbon atoms, provided that at least one R1 is a group represented by the formula (2); and wherein -* represents a bonding hand.
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: September 26, 2023
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Shunsuke Katagiri, Takuya Suzuki, Seiji Shika, Yune Kumazawa
  • Ion conductor containing Li2B12H12 and LiBH4, method for producing same, and solid electrolyte for all-solid-state batteries, which contains said ion conductor
    Patent number: 11769873
    Abstract: The present application provides a method for producing an ion conductor containing Li2B12H12 and LiBH4, which includes obtaining a mixture by mixing LiBH4 and B10H14 at a molar ratio LiBH4/B10H14 of from 2.1 to 4.3; and subjecting the mixture to a heat treatment.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: September 26, 2023
    Assignees: MITSUBISHI GAS CHEMICAL COMPANY, INC., TOHOKU TECHNO ARCH CO., LTD.
    Inventors: Genki Nogami, Masahiro Shimada, Naoki Toyama, Sangryun Kim, Shin-ichi Orimo
  • Resin composition, prepreg, resin sheet, metal foil-clad laminate, and printed circuit board
    Patent number: 11769607
    Abstract: A resin composition comprising a maleimide compound, a cyanate ester compound, a silane compound having a styrene skeleton and a hydrolyzable group or a hydroxy group, and an inorganic filler.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: September 26, 2023
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Katsuya Tomizawa, Yoichi Takano, Meguru Ito, Eisuke Shiga
  • THERMOPLASTIC RESIN COMPOSITION FOR OPTICAL MATERIAL, MOLDED ARTICLE, COMPOUNDING AGENT, METHOD FOR PRODUCING THERMOPLASTIC RESIN COMPOSITION, AND METHOD FOR IMPROVING TRANSMISSIVITY
    Publication number: 20230295373
    Abstract: A thermoplastic resin composition for an optical material is provided. The thermoplastic resin composition contains a compounding agent represented by general formula (1). (In general formula (1), R1 to R5 independently represent a hydrogen atom, or an alkyl group having 1 to 20 carbon atoms in total which may have a substituent; R6 to R9 independently represent a hydrogen atom, or an alkyl group having 1 to 20 carbon atoms in total which may have a substituent; and R10 represents a hydrogen atom, or an alkyl group having 1 to carbon atoms in total.
    Type: Application
    Filed: August 11, 2021
    Publication date: September 21, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Noriyuki KATO, Katsushi NISHIMORI, Shinya IKEDA, Atsushi MOTEGI, Shoko MURATA SUZUKI, Noriaki OCHI, Masahiro KANDA, Masayuki NAGAI, Takami MORISHITA, Shinichi IKEDA
  • Package of heat-bent polarizing sheet and injection-molded polarizing lens
    Patent number: 11760875
    Abstract: A package of a heat-bent polarizing sheet for producing an injection-molded polarizing lens and an injection-molded polarizing lens that uses said sheet is provided. The heat-bent polarizing sheet is cumulatively packaged by a non-adhesive isolation film so as to withstand moisture and then stored or transported and can be used in injection molding without performing preliminary drying as a pretreatment of injection molding and without substantial protective-film removal work.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: September 19, 2023
    Assignees: WINTEC, INC., MITSUBISHI GAS CHEMICAL COMPANY, INC., MGC FILSHEET CO., LTD.
    Inventors: Hideaki Kimura, Masayuki Akaki, Takashi Fujii
  • Method for producing polyacetal fiber
    Patent number: 11761121
    Abstract: A method for producing a polyacetal fiber that presents an improved whiteness unevenness is provided. According to one embodiment, there is provided a polyacetal fiber production method that yields a polyacetal fiber using an oxymethylene copolymer having a melt index, at 190° C. under a load of 2.16 kg, of 5-60 g/10 min, wherein the production method includes taking off the polyacetal fiber from the discharge nozzle of a spinning apparatus, and drawing the taken-off polyacetal fiber. The tensile elongation E1 of the polyacetal fiber after the taking off is 20%-500%; the tensile elongation E2 of the polyacetal fiber after the drawing is 10%-100%; E1?E2; and the single fiber thickness of the polyacetal fiber after the drawing is 0.7-5.0 denier.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: September 19, 2023
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Akira Ito, Daisuke Sunaga, Sunao Mikami
  • Thermosetting resin composition, prepreg, resin sheet, metal foil-clad laminate, and printed wiring board
    Patent number: 11760871
    Abstract: A thermosetting resin composition containing a thermosetting resin (A), boron nitride (B), and a dispersant (C) with a pH of 8 or higher.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: September 19, 2023
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Yoshihiro Nakazumi, Kentaro Takano
  • Triarylmethane compounds
    Patent number: 11760712
    Abstract: The present invention relates to triarylmethane compounds of the formula (I), which suitable as monomers for preparing thermoplastic resins having beneficial optical properties and which can be used for producing optical devices. R1, R2 are e.g. hydrogen; Y is an alkylene group having 2, 3 or 4 carbon atoms, Ar is selected from mono- or polycyclic aryl and mono- or polycyclic hetaryl; X1, X2, X3, X4 are CH, C—Rx or N, provided that in each ring at most two of X1, X2, X3, X4 are N; Rx is e.g. halogen, CN or CH?CH2. The invention also relates to thermoplastic resins comprising a polymerized unit of the compound of formula (I).
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: September 19, 2023
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Karl Reuter, Vasyl Andrushko, Mark Kantor, Florian Stolz, Munenori Shiratake, Kentaro Ishihara, Koji Hirose, Shinya Ikeda, Noriyuki Kato, Mitsuteru Kondo, Shoko Murata, Kensuke Oshima
  • PALLADIUM-CONTAINING COMPOSITION AND HYDROGEN PEROXIDE PRODUCTION METHOD
    Publication number: 20230285946
    Abstract: It is desired to develop a method of producing hydrogen peroxide, which is capable of producing hydrogen peroxide with high production efficiency. According to the present invention, provided is a palladium-containing composition comprising palladium particles and a coating agent that coats the surface of the palladium particles, wherein a compound having an O?X structure (wherein X represents any of a phosphorus atom, a sulfur atom, and a carbon atom) is comprised as the coating agent.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Applicants: MITSUBISHI GAS CHEMICAL COMPANY, INC., KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION
    Inventors: Tatsumi ISHIHARA, Norikazu OKUDA, Ken-ichi KIMIZUKA, Ken TASAKI
  • Compound, resin, composition, resist pattern formation method, circuit pattern formation method and method for purifying resin
    Patent number: 11747728
    Abstract: An object of the present invention is to provide a new compound that is useful as a film forming material for lithography and the like. The above object can be achieved by a compound represented by the following formula (1).
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: September 5, 2023
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Junya Horiuchi, Yu Okada, Takashi Makinoshima, Masatoshi Echigo
  • METHOD FOR PRODUCING A-HYDROXY CARBOXYLIC ACID COMPOSITION
    Publication number: 20230271913
    Abstract: A method for producing an a-hydroxycarboxylic acid compositions includes distilling a mixed solution containing an ?-hydroxycarboxylic acid, water, and an organic impurity, wherein the distillation is performed under a condition that an upper limit temperature of a bottoms liquid is 140° C. or lower.
    Type: Application
    Filed: July 28, 2021
    Publication date: August 31, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Michihiro YURI, Shu SUZUKI
  • OXYGEN SCAVENGER COMPOSITION AND METHOD FOR PRODUCING SAME
    Publication number: 20230264168
    Abstract: An oxygen scavenger composition contains a mixed granule of a composition containing a water retention agent, a swelling agent, a metal halide, water, an iron and an alkaline substance, wherein the alkaline substance contains at least one selected from the group consisting of hydroxides of alkali metals, hydroxides of alkaline earth metals and salts composed of a weak acid and a strong base.
    Type: Application
    Filed: June 29, 2021
    Publication date: August 24, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Daiki SATO, Natsuko KAJI, Kazuhisa SASAKI, Kensuke NORO, Kouta KAGIMOTO