Patents Assigned to Mitsui Chemicals, Inc.
  • Patent number: 12344733
    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 ISO 1133. 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: Grant
    Filed: June 17, 2020
    Date of Patent: July 1, 2025
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Ryo Ishikawa, Ryosuke Aburaki, Remi Kusumoto
  • Patent number: 12269930
    Abstract: In a polyurethane dispersion obtained by water-dispersing a polyurethane resin, the polyurethane resin is a reaction product obtained by reacting at least a polyisocyanate component with an active hydrogen group-containing component containing an active hydrogen compound having an anionic group, a ratio of the total moles of a urethane group and a urea group is 1.5 mol or more with respect to 1 kg of the polyurethane dispersion, and the carbonate ion concentration is 700 ppm or less with respect to the polyurethane dispersion.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: April 8, 2025
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Chikako Kouda, Kazuyuki Fukuda, Takashi Uchida
  • Publication number: 20250093767
    Abstract: Provided is a pellicle, including a frame on which a pellicle film is placed and a mask adhesive layer which is placed on the frame, wherein when an attachment portion S1 of the adhesive layer to a quartz mask is irradiated with xenon (Xe) excimer lamp light from a back surface of the mask for 2 minutes and the pellicle is then peeled off, a residual ratio (residual area of the adhesive layer on a quartz mask/area of the attachment portion S1 of the adhesive layer) of the adhesive layer is 0.001 to 5.0%.
    Type: Application
    Filed: January 26, 2023
    Publication date: March 20, 2025
    Applicants: Mitsui Chemicals, Inc., ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Yutaka YOSHIMURA, Keiichi KAKIHARA, Ryo TANAKA, Yuji MARUYAMA, Masatsugu HIGASHI, Masakazu YAMAUCHI, Tomokazu TANAKA
  • Publication number: 20250085624
    Abstract: Provided is a pellicle, including a frame on which a pellicle film is placed and a mask adhesive layer which is placed on the frame, wherein when a water washing test is performed on the adhesive layer, which contacts a quartz mask over a predetermined contact area, a removal ratio {(the contact area before the water washing test?contact area after the water washing test)/(contact area before the water washing test)} of the adhesive layer is 80% or more.
    Type: Application
    Filed: January 26, 2023
    Publication date: March 13, 2025
    Applicant: Mitsui Chemicals, INC.
    Inventor: Ryo TANAKA
  • Patent number: 12209205
    Abstract: The laminate adhesive contains a polyisocyanate component and a polyol component. The polyol component contains polyurethane polyol of a reaction product of polyol and a polyisocyanate derivative with an average functional group of more than 2. The polyisocyanate derivative is an araliphatic diisocyanate derivative and/or alicyclic diisocyanate derivative.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: January 28, 2025
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Yuta Miyauchi, Kazuhiro Ando
  • Publication number: 20250002137
    Abstract: The present invention provides a blade in which the specific rigidity of a flap part is further increased. This blade has a thick body part and a thin flap part integrally formed in the rear end of the body part. The flap part has a skin material containing a fiber-reinforced thermoplastic resin, and a core material containing a thermoplastic resin foam filled inside the skin material.
    Type: Application
    Filed: November 4, 2022
    Publication date: January 2, 2025
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Kazuya MIZUMOTO, Yoshihiko KANDA
  • Patent number: 12168738
    Abstract: An adhesive resin composition including a propylene polymer (A), an ethylene polymer (B), and a thermoplastic resin (C) including a copolymer containing not less than 60 mol % and not more than 99 mol % of structural units derived from 4-methyl-1-pentene, and not less than 1 mol % and not more than 40 mol % of structural units derived from a C2-C20 ?-olefin other than 4-methyl-1-pentene, these structural units representing total 100 mol % of the copolymer, the thermoplastic resin (C) showing a melting point Tm of not more than 199° C. or showing substantially no melting point as analyzed with a differential scanning calorimeter (DSC). The total of the components (A), (B) and (C) includes 45 to 75 parts by mass of the component (A), 5 to 20 parts by mass of the component (B), and 15 to 45 parts by mass of the component (C).
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: December 17, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Akihiko Iwashita, Ryohei Shiga, Motoyasu Yasui, Yoshisada Fukagawa, Kyoko Kobayashi, Masahiko Okamoto
  • Patent number: 12091536
    Abstract: A resin composition including a 4-methyl-1-pentene copolymer (A) that satisfies particular requirements and a 4-methyl-1-pentene copolymer (B) that satisfies particular requirements, in which the content of the copolymer (A) is 10 to 95 parts by mass and the content of the copolymer (B) is 90 to 5 parts by mass with respect to 100 parts by mass of the total content of the copolymers (A) and (B).
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: September 17, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hisanori Hashimoto, Masahiko Okamoto, Makoto Nakano, Toyoaki Sasaki, Masakazu Tanaka
  • Publication number: 20240266061
    Abstract: A model generating method causing a computer to execute processing of acquiring electroencephalographic data of subjects based on outputs of an electroencephalograph, acquiring sensitivity information of the subjects by inputting the acquired electroencephalographic data to a first learning model trained to output the sensitivity information in accordance with input of the electroencephalographic data, acquiring biological data of the subjects based on outputs of a piezoelectric element, and generating a second learning model for outputting the sensitivity information of a person being tested by using a data set including the acquired biological data and the sensitivity information of the subjects acquired from the first learning model as training data when the biological data of the person measured by the piezoelectric element is input.
    Type: Application
    Filed: March 22, 2022
    Publication date: August 8, 2024
    Applicant: Mitsui Chemicals Inc.
    Inventors: Mitsunobu YOSHIDA, Nobuhiro MARUKO, Iori KAWAHARA, Tatsuo KAWAHARA
  • Publication number: 20240244978
    Abstract: Provided is a polymer piezoelectric film element which generates electricity at a high sensitivity upon vibrations across a broad frequency band, including those caused by the motion of humans or animals or faint contact stress, and those caused by automobiles and so on, which can be made into a thin film and at a high yield, and which can be used as a stably driving power supply device, a tactile sensor, or a vital sensor. The present invention pertains to: a polymer piezoelectric film element characterized in that an electrode sheet is formed on both surfaces of a polymer piezoelectric film, and by having a structure which has bumps and dips or a wave-shaped structure which has peaks and valleys in an axis perpendicular to said surfaces; and a power storage device, a sensor, or a vital sensor.
    Type: Application
    Filed: April 18, 2022
    Publication date: July 18, 2024
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Jun OKABE, Tadahiro SUNAGA, Shizuo TOKITO
  • Patent number: 12036778
    Abstract: The present invention has an object of providing a laminate which is composed of a layer containing a melt shapable fluororesin and a layer of an ethylene-?-olefin-nonconjugated polyene copolymer composition, and is excellent in adhesiveness, and the present invention relates to a laminate including: a layer including an ethylene-?-olefin-nonconjugated polyene copolymer composition, and a layer comprising a melt shapable fluororesin; wherein the ethylene-?-olefin-nonconjugated polyene copolymer composition includes 100 parts by mass of an ethylene-?-olefin-nonconjugated polyene copolymer (A), 1.0 to 6.0 parts by mass of at least one compound (C) selected from the group consisting of 1,8-diazabicyclo(5.4.0)undecene-7 salts, 1,5-diazabicyclo(4.3.0)nonene-5 salts, 1,8-diazabicyclo(5.4.0)undecene-7 and 1,5-diazabicyclo(4.3.0)nonene-5, and 3 to 20 parts by mass of magnesium oxide.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: July 16, 2024
    Assignees: Mitsui Chemicals, Inc., Daikin Industries, Ltd.
    Inventors: Yoshiharu Kikuchi, Kotaro Ichino, Kozue Osawa, Yuki Kuwajima
  • Publication number: 20240228740
    Abstract: Provided is a polyamide resin composition that, at high temperatures, suppresses reductions in tensile strength due to the addition of a copper-based heat-resistance stabilizer, and maintains a tensile strength over longer periods of time in a hot environment. The composition includes a polyamide resin and a copper-based heat-resistance stabilizer. The polyamide resin includes: a component unit (a) derived from dicarboxylic acid which is derived from an aromatic dicarboxylic acid or an alicyclic dicarboxylic acid; and greater than or equal to 10 mol % and less than 50 mol % of a component unit (b2), which is derived from 1,3-bis(aminomethyl)cyclohexane, with respect to the total number of moles of a component unit (b) derived from diamine. The content of copper included in the copper-based heat-resistance stabilizer is 0.001 parts by mass to 0.050 parts by mass, inclusive, with respect to 100 total parts by mass of the polyamide resin.
    Type: Application
    Filed: March 16, 2022
    Publication date: July 11, 2024
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Haruka DOI, Wataru MAKIGUCHI, Kohei NISHINO, Isao WASHIO
  • Patent number: 12031023
    Abstract: Resin composition comprises 35 to 59.9 parts by mass of a propylene polymer (A) satisfying below; 25 to 40 parts by mass of a soft propylene copolymer (B); 0.1 to 10 parts by mass of a polyolefin (C) containing a structural unit derived from an unsaturated carboxylic acid and/or a derivative thereof; and 15 to 30 parts by mass of an ethylene polymer (D) (provided that the total of (A), (B), (C), and (D) is 100 parts by mass), wherein an MFR measured at 230° C. and a load of 2.16 kg according to ASTM D-1238 is 7 g/10 min or more and 25 g/10 min or less, with each component satisfying certain requirements.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: July 9, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Akihiko Iwashita, Yoshiyuki Ogawa, Youhei Houtani
  • Patent number: 12018115
    Abstract: A polyurethane gel material includes an aliphatic polyisocyanate (A) having an average functionality of 2.3 or more and 3.2 or less, a polyol (B) having an average functionality of 2.0 or more and 2.3 or less, and a plasticizer (C) having an ester group. The aliphatic polyisocyanate (A) contains an isocyanurate derivative of an aliphatic diisocyanate and/or an alcoholic modified isocyanurate derivative of an aliphatic diisocyanate. The polyol (B) contains a polyoxyalkylene (carbon number of 2 to 3) polyol having an ethylene oxide content of 30% by mass or less, and/or a polytetramethylene ether glycol. The polyol (B) has an average hydroxyl value of 30 mgKOH/g or more and 70 mgKOH/g or less. A ratio of the plasticizer (C) per 100 parts by mass of the polyol component (B) is 50 parts by mass or more and 400 parts by mass or less.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: June 25, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Hiroaki Tago, Hiroshi Kanayama, Makoto Kajiura
  • Patent number: 12014822
    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: Grant
    Filed: February 28, 2018
    Date of Patent: June 18, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventor: Makoto Taniguchi
  • Patent number: 12007410
    Abstract: A sheet connector according to the present invention has: a first insulating layer having a first surface positioned on one side in the thickness direction, a second surface positioned on the other side, and a plurality of first through-holes passing through between the first surface and the second surface; and a plurality of first conductive layers arranged on the inner wall surfaces of the first through-holes. First ends of the first conductive layers on the first surface side project from the first surface.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: June 11, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Katsunori Nishiura, Taichi Koyama, Daisuke Yamada
  • Publication number: 20240182645
    Abstract: This poly(amic acid) composition contains a poly(amic acid). Aromatic monomers account for 95 mol % or more of all monomers that constitute the poly(amic acid). The aromatic monomers include 40-95 mol % of a monomer (A) having a prescribed diphenyl ether skeleton, 0-60 mol % of a monomer (B) having a benzophenone skeleton and 0-60 mol % of a monomer (C) having a biphenyl skeleton, each relative to the total amount of monomers. The monomer (A) having a diphenyl ether skeleton includes 20 mol % or more of a monomer (A-1) having at least three aromatic rings relative to the total amount of monomers. The diamine/tetracarboxylic acid dianhydride molar ratio is 0.90-0.999.
    Type: Application
    Filed: March 25, 2022
    Publication date: June 6, 2024
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Masaki OKAZAKI, Ko TAKASE, Tatsuhiro URAKAMI, Yoshihiro SAKATA
  • Publication number: 20240157661
    Abstract: The present application provides an apparatus that is for producing a fiber-reinforced resin having reinforcement fibers aligned in one direction and that is capable of, with a relatively simple configuration, connecting a preceding reinforcement fiber and a subsequent reinforcement fiber when switching between the reinforcement fibers. An apparatus according to the present invention is for producing a fiber-reinforced resin having reinforcement fibers aligned in one direction, and comprises: an impregnation part which impregnates a reinforcement fiber with a resin; and a switching device which performs switching of reinforcement fibers on the upstream side of the impregnation part, from a preceding reinforcement fiber to a new reinforcement fiber. During the switching operation, the switching device forms a fabric using the preceding reinforcement fiber and the new reinforcement fiber as warp and other fibers as weft so as to connect the new reinforcement fiber with the preceding reinforcement fiber.
    Type: Application
    Filed: March 17, 2022
    Publication date: May 16, 2024
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Masahiro YANO, Atsushi MIYATA
  • Publication number: 20240132695
    Abstract: Provided is a polyamide resin composition that, at high temperatures, suppresses reductions in tensile strength due to the addition of a copper-based heat-resistance stabilizer, and maintains a tensile strength over longer periods of time in a hot environment. The composition includes a polyamide resin and a copper-based heat-resistance stabilizer. The polyamide resin includes: a component unit (a) derived from dicarboxylic acid which is derived from an aromatic dicarboxylic acid or an alicyclic dicarboxylic acid; and greater than or equal to 10 mol % and less than 50 mol % of a component unit (b2), which is derived from 1,3-bis(aminomethyl)cyclohexane, with respect to the total number of moles of a component unit (b) derived from diamine. The content of copper included in the copper-based heat-resistance stabilizer is 0.001 parts by mass to 0.050 parts by mass, inclusive, with respect to 100 total parts by mass of the polyamide resin.
    Type: Application
    Filed: March 15, 2022
    Publication date: April 25, 2024
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Haruka DOI, Wataru MAKIGUCHI, Kohei NISHINO, Isao WASHIO
  • Patent number: 11964447
    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: Grant
    Filed: February 13, 2018
    Date of Patent: April 23, 2024
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Yoshiharu Kikuchi, Kotaro Ichino