Patents Assigned to Mitsui
  • Publication number: 20240368441
    Abstract: An adhesive resin composition, including from 60 to 95 parts by mass of an ethylenic polymer (A) including a modified ethylenic polymer (a-2) obtained by modifying at least one polymer (a-1) selected from the group consisting of an ethylene homopolymer and a copolymer of ethylene and at least one ?-olefin selected from ?-olefins having from 3 to 20 carbon atoms, with an unsaturated carboxylic acid and/or a derivative thereof, and from 5 to 40 parts by mass of a 10 butene-based polymer (B) having 80 mol % or more of a structural unit derived from 1-butene, provided that the total content of the polymer (A) and the polymer (B) is 100 parts by mass, wherein the MER (190° C. and a load of 2.16 kg) is from 1 to 20 g/10 minutes.
    Type: Application
    Filed: August 17, 2022
    Publication date: November 7, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Ryohei SHIGA
  • Publication number: 20240371713
    Abstract: A composition for forming a film for a semiconductor includes: an aliphatic diamine (A) that includes at least one of a primary amino group or a secondary amino group, and a main chain including a carbon atom, in which, in the aliphatic diamine (A), the total number of primary amino groups and secondary amino groups is 2 or greater, the number of carbon atoms of the main chain is from 2 to 180; and a cross-linking agent (D) that includes three or more —C(?O)OX groups in a molecule thereof (X representing a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms), in which from one to six of the three or more —C(?O)OX groups are —C(?O)OH groups, and the cross-linking agent (D) has a weight average molecular weight of from 200 to 2000. Applications of the composition are also disclosed.
    Type: Application
    Filed: August 29, 2022
    Publication date: November 7, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yasuhisa KAYABA, Yuzo NAKAMURA, Takashi KOZEKI
  • Patent number: 12135472
    Abstract: In an optical material, a transmittance curve satisfies the following characteristics (1) and (2) and a hue in the CIE 1976 (L*, a*, b*) color space satisfies the following characteristic (3), (1) the transmittance curve has a maximum value of a transmittance at a wavelength of from 400 nm to 450 nm or from 520 nm to 570 nm, and a largest value of the transmittance at the wavelength of from 400 nm to 450 nm and a transmittance at from 520 nm to 570 nm are 50% or more, (2) the transmittance curve has a minimum value of a transmittance at a wavelength of from 470 nm to 500 nm, and the minimum value is 40% or less, and (3) in the hue in the CIE 1976 (L*, a*, b*) color space, a* is from 2.5 to 5.5 and b* is from 5 to 25.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: November 5, 2024
    Assignees: MITSUI CHEMICALS, INC., ITOH OPTICAL INDUSTRIAL CO., LTD.
    Inventors: Yusuke Matsui, Kouji Suesugi, Shinsuke Ito, Hirofumi Oda
  • Publication number: 20240360562
    Abstract: The present invention addresses the problem of providing a method for manufacturing a plated composite material, the method being capable of forming a plating layer having good adhesiveness to each of a plurality of resin parts each including a different resin. The method for manufacturing a plated composite material for solving the aforementioned problem includes: a step for preparing a composite material having a heat-resistant resin part and a silicone resin part; a step for treating, with an alkaline solution, a plating region of the composite material; a step for irradiating plasma on the plating region; a step for bringing the plating region in contact with a cationic catalyst-containing liquid; and a step for performing an electroless plating treatment on the plating region. The plating region includes at least a portion of the heat-resistant resin part and at least a portion of the silicone resin part.
    Type: Application
    Filed: June 30, 2022
    Publication date: October 31, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Masao HORI, Katsunori NISHIURA, Yuichi ITOU, Daisuke YAMADA
  • Publication number: 20240358627
    Abstract: One aspect of the present invention provides an anti-obesity agent, an anti-dementia agent, a deodorant, an anti-aging agent, an anti-glycation agent, an anti-type I allergy agent, a hypotensive agent, a flavor improving agent, a muscle enhancing agent, and a bone metabolism improving agent which contain a bagasse decomposition extract as an active ingredient.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 31, 2024
    Applicant: Mitsui Sugar Co., Ltd.
    Inventors: Sayoko Fujii, Kazuyo Shiomi, Toma Furuta
  • Patent number: 12129689
    Abstract: A door latch device includes: an electric component including a motor; a machine mechanism; a circuit board; a case; a first cover forming a first housing space in which the motor and the machine mechanism are housed; a second cover forming a second housing space in which the circuit board is housed; a pin hole disposed in the case to establish communication between the first housing space and the second housing space; a pin erected from the circuit board to project to the first housing space through the pin hole; a pin holder configured to support the pin with respect to the circuit board by covering a periphery of a base of the pin; an external waterproof seal configured to waterproof the second housing space against outside; and an internal waterproof seal configured to waterproof a space between the first housing space and the second housing space.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: October 29, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventors: Shintaro Okawa, Yasuyuki Watanabe
  • Publication number: 20240352636
    Abstract: The present invention provides a biodegradable nonwoven fabric which has biodegradability, while having extremely excellent texture, or having good formability and being suppressed in fluffing in an embossed part during forming. One embodiment of the present invention provides: a biodegradable nonwoven fabric which is configured from fibers that contain a biodegradable thermoplastic resin, and is characterized in that the shear viscosity thereof is more than 0 Pa·s but not more than ?41.4×ln(x)+500.84 Pa·s at a shear rate x (x is from 20/s to 10,000/s) at 230° C., or is characterized in that the biodegradable nonwoven fabric has an embossed part and a non-embossed part, and the embossed part thickness index that is obtained by dividing the thickness of the embossed part by the square root of weight is 2.75 to 4.36 mm/(g/m2)0.
    Type: Application
    Filed: August 23, 2022
    Publication date: October 24, 2024
    Applicant: Mitsui Chemicals Asahi Life Materials Co., Ltd.
    Inventors: Yuya Fujimoto, Yuichiro Sakamoto, Junichi Kusakabe, Akihisa Fukunaga, Eiji Shiota
  • Publication number: 20240351323
    Abstract: Provided are a method for affixing a protective film, a method for manufacturing a semiconductor component, and a protective film for use in the affixing method, which are capable of suppressing occurrence of a failure caused by a step on a main surface of a semiconductor wafer. The affixing method includes: an arrangement step of arranging a protective film so as to cover a main surface A of a semiconductor wafer; and an affixing step of pressing the protective film against the main surface to affix the protective film to the main surface. The affixing step includes a compression step of compressing the protective film in a thickness direction thereof.
    Type: Application
    Filed: June 25, 2024
    Publication date: October 24, 2024
    Applicant: MITSUI CHEMICALS TOHCELLO, INC.
    Inventors: Masao NOGAMI, Akimitsu Morimoto
  • Publication number: 20240352253
    Abstract: To provide a resin composition excellent in foam suppressing properties as well as foam breaking properties. A resin composition including a resin (X) excluding the copolymer (Y) described below and an ethylene·?-olefin copolymer (Y) satisfying the following requirements (y-1) and (y-2): (y-1) The solubility parameter calculated based on a D. W. Van Krevelen's estimation method is 15.5 to 16.3 (MPa)1/2; and (y-2) The weight-average molecular weight (Mw) obtained by gel permeation chromatography (GPC) is 1,500 to 30,000.
    Type: Application
    Filed: November 15, 2022
    Publication date: October 24, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Ryo TATEMATSU, Shota ABE
  • Publication number: 20240352227
    Abstract: A resin composition for forming an optical component contains (A) a cyclic olefin-based polymer and (B) one or a plurality of coloring agents. The cyclic olefin-based polymer (A) includes at least one selected from a copolymer of ethylene or an ?-olefin with a cyclic olefin, and a ring-opening polymer of a cyclic olefin. A molded product having a thickness at which transmittance of light having a wavelength of 700 nm is 30%, which is formed of the resin composition, satisfies all of the following conditions (1) to (3): (1) an average value of transmittance at a wavelength of 300 to 400 nm is equal to or less than 40%, (2) an average value of transmittance at a wavelength of 500 to 600 nm is equal to or more than 70%, and (3) transmittance at a wavelength of 650 nm is equal to or more than 60%.
    Type: Application
    Filed: November 28, 2022
    Publication date: October 24, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yuki HASHIMOTO, Yoshiyuki TOTANI, Yasuyuki SOEDA, Takayuki OKUNO
  • Patent number: 12124111
    Abstract: A lens ordering system includes: a computer, the computer being provided with a CPU, a storage unit, and a selection unit that is configured to be controlled by the CPU. The storage unit stores data, configured to enable determination of lens information that includes a resin material type, a pigment type, and a coating type that are used for a lens material, based on user information that includes basic information pertaining to a user, and at least one of usage information pertaining to lens usage desired by the user or psychosomatic information including psychosomatic symptoms and conditions including the eyes of the user. The selection unit determines and outputs the lens information based on the user information acquired pertaining to the user and the data stored in the storage unit.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: October 22, 2024
    Assignee: MITSUI CHEMICALS, INC.
    Inventor: Shinsuke Ito
  • Patent number: 12123226
    Abstract: A door latch device includes: an open link including a lever main body, an inertia lever part, and a release energizing member configured to energize the inertia lever part to be maintained at an operating position with respect to the lever main body, an operation force of the door handle being not transmitted to the ratchet lever even in a state in which the lever main body is disposed at an unlocked position, in a case where the inertia lever part is disposed at a non-operating position against energizing force of the release energizing member; a ratchet lever; and a restriction mechanism disposed between the lever main body and the inertia lever part, the restriction mechanism being configured to restrict returning movement to the operating position in a case where the inertia lever part moves to the non-operating position.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: October 22, 2024
    Assignee: MITSUI KINZOKU ACT CORPORATION
    Inventor: Takuya Shinohara
  • Patent number: 12125928
    Abstract: A resin composition for a solar cell encapsulant that is used for forming a solar cell encapsulant, the resin composition including at least one kind of ethylene-polar monomer copolymer (A1) selected from an ethylene-vinyl ester copolymer and an ethylene-unsaturated carboxylic acid ester copolymer, an epoxy group-containing ethylene-based copolymer (A2) (excluding the ethylene-polar monomer copolymer (A1)), an ethylene-?-olefin copolymer (B), and a metal inactivating agent (C).
    Type: Grant
    Filed: December 9, 2020
    Date of Patent: October 22, 2024
    Assignee: DOW-MITSUI POLYCHEMICALS CO., LTD.
    Inventors: Kei Nagayama, Kana Kukita, Motoaki Isokawa
  • Publication number: 20240343950
    Abstract: An adhesive resin composition, including 50 to 89.9 parts by mass of a propylene-based polymer (A) satisfying the following (a1) and (a2), 0.1 to 20 parts by mass of a modified polyolefin (B), and 10 to 30 parts by mass of an ethylenic polymer (C) satisfying the following (c1) to (c3) (the sum of (A), (B) and (C) is 100 parts by mass). (a1) The propylene polymer (A) includes a propylene-based polymer (a-1) with the melting point ?120° C. and a propylene-based polymer (a-2) with the melting point <120° C. (a2) The proportion of the (a-1) in the (A) is 50 to 70.0% by mass. (c1) The ethylenic polymer (C) includes an ethylene homopolymer (c-1) and an ethylene ??-olefin copolymer (c-2). (c2) MFR=0.1 to 10 g/10 minutes. (c3) The proportion of the copolymer (c-1) in the (C) is 40 to 100% by mass.
    Type: Application
    Filed: August 17, 2022
    Publication date: October 17, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takashi YAMASAKI, Yoshiyuki OGAWA
  • Publication number: 20240343946
    Abstract: An adhesive resin composition, including: from 60 to 95 parts by mass of an ethylenic polymer (A) including a modified ethylenic polymer (a-2) obtained by modifying at least one polymer (a-1) selected from the group consisting of an ethylene homopolymer and a copolymer of ethylene and at least one ?-olefin selected from ?-olefins having from 3 to 20 carbon atoms, with an unsaturated carboxylic acid and/or a derivative thereof; and from 5 to 40 parts by mass of a soft propylene-based copolymer (B) having a structural unit derived from propylene and a structural unit derived from at least one ?-olefin selected from ?-olefins having 2 or from 4 to 20 carbon atoms, the content of the latter being 40 mol % or less, provided that the total content of the (A) and the (B) is 100 parts by mass, wherein the MFR (190° C. and a load of 2.16 kg) is from 1 to 20 g/10 minutes.
    Type: Application
    Filed: August 17, 2022
    Publication date: October 17, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Ryohei SHIGA
  • Publication number: 20240343029
    Abstract: Provided are a method for affixing a protective film, a method for manufacturing a semiconductor component, and a protective film for use in the affixing method, which are capable of suppressing occurrence of a failure caused by a step on a main surface of a semiconductor wafer. The affixing method includes: an arrangement step of arranging a protective film so as to cover a main surface A of a semiconductor wafer; and an affixing step of pressing the protective film against the main surface to affix the protective film to the main surface. The affixing step includes a compression step of compressing the protective film in a thickness direction thereof.
    Type: Application
    Filed: June 25, 2024
    Publication date: October 17, 2024
    Applicant: Mitsui Chemicals Tohcello, Inc.
    Inventors: Masao NOGAMI, Akimitsu Morimoto
  • Patent number: 12114658
    Abstract: An object of the present invention is to provide compounds represented by the formula (1) or salts thereof that are effective as agricultural and horticultural fungicides.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: October 15, 2024
    Assignee: MITSUI CHEMICALS CROP & LIFE SOLUTIONS, INC.
    Inventors: Hideki Umetani, Shun Okaya, Ryohei Naito, Takeshi Fukumoto
  • Patent number: 12117589
    Abstract: The plastic polarizing lens of the present invention includes a polarizing film comprised of a thermoplastic resin; a first resin substrate composed of at least one layer stacked over a surface of the polarizing film which is located on an object-facing surface side; and a second resin substrate composed of at least one layer stacked over a surface of the polarizing film which is located on an eye-facing surface side, in which an organic colorant compound is included in at least one layer constituting the first resin substrate out of the first resin substrate and the second resin substrate, and the concentration of the organic colorant compound in the first resin substrate is higher than the concentration of the organic colorant compound in the second resin substrate.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: October 15, 2024
    Assignees: HOPNIC LABORATORY CO., LTD., MITSUI CHEMICALS, INC.
    Inventor: Yoshimitsu Aiiso
  • Publication number: 20240334937
    Abstract: Provided is an antibacterial metal material that includes a surface having a roughness index of 4.0 or more. The roughness index is determined by dividing a true surface area (m2), which is measured by a krypton adsorption method, by a geometric surface area (m2).
    Type: Application
    Filed: July 29, 2022
    Publication date: October 10, 2024
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Shintaro MITSUNAGA
  • Patent number: 12110391
    Abstract: A resin composition includes: a polyamide resin (A); an ionomer of an ethylene-unsaturated carboxylic acid-based copolymer (B); and an ethylene-based polymer (C), wherein a content of the polyamide resin (A) is 50% by mass or more with respect to a total amount of the polyamide resin (A), the ionomer of an ethylene-unsaturated carboxylic acid-based copolymer (B) and the ethylene-based polymer (C), and wherein a content of the ethylene-based copolymer (C) is less than 50% by mass with respect to a total amount of the ionomer of an ethylene-unsaturated carboxylic acid-based copolymer (B) and the ethylene-based polymer (C).
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: October 8, 2024
    Assignee: DOW-MITSUI POLYCHEMICALS CO., LTD.
    Inventors: Takahiro Shimizu, Kazuyuki Oogi, Sadaki Yamamoto, Chikara Ichinoseki