Patents Assigned to Mitsui
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Publication number: 20250115030Abstract: A laminated film includes a first polyolefin-based resin layer including a first polyolefin-based resin having a melting point of from 95° C. to 200° C., a second polyolefin-based resin layer including a second polyolefin-based resin having a melting point of less than 95° C., and a third polyolefin-based resin layer including a third polyolefin-based resin having a melting point of from 95° C. to 200° C., which are disposed in this order. The laminated film has an oxygen permeability of from 7,500 mL/m2·day·atm to 85,000 mL/m2·day·atm.Type: ApplicationFiled: November 9, 2022Publication date: April 10, 2025Applicant: MITSUI CHEMICALS, INC.Inventor: Yoshiyuki KATAYAMA
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Patent number: 12269914Abstract: A polymerizable composition for optical materials of the present invention contains (A) a polyisocyanate compound, (B) a polythiol compound, (C) a photochromic compound, (D) a polyether compound having a number-average molecular weight of 50 to 10,000, and (E) a polyether-modified siloxane compound having a viscosity of 1 mPa·s or more and less than 1,600 mPa·s.Type: GrantFiled: May 15, 2020Date of Patent: April 8, 2025Assignee: MITSUI CHEMICALS, INC.Inventors: Yuuki Kasori, Shinsuke Ito
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Patent number: 12269913Abstract: A polythiol composition includes a polythiol compound (A) including at least one of 4,8-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 4,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, and a polythiol compound (B) that is 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane.Type: GrantFiled: July 14, 2020Date of Patent: April 8, 2025Assignee: MITSUI CHEMICALS, INC.Inventors: Takeshi Nishimura, Masayuki Furuya, Kouji Suesugi
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Patent number: 12268209Abstract: This invention relates to a liquid herbicidal composition comprising a non-aqueous solvent system, at least one sulfonylurea herbicide and at least one inorganic salt selected from the metal carbonates and metal phosphates. The invention also relates to the use of an inorganic salt selected from the metal carbonates and metal phosphates to improve chemical stabilisation of a sulfonylurea herbicide in a liquid composition comprising a non-aqueous solvent system.Type: GrantFiled: December 23, 2020Date of Patent: April 8, 2025Assignees: Mitsui AgriScience International S.A./N.V., Battelle UK LimitedInventors: Oliver Egan, Andrew Goldsmith
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Patent number: 12269832Abstract: The present disclosure provides a lithium borate compound represented by the following Formula (I), an additive for a lithium secondary battery, which contains the lithium borate compound, a non-aqueous electrolyte solution for a lithium secondary battery, a lithium secondary battery precursor, and a lithium secondary battery and method of producing the same. In Formula (I), R represents a single bond or an alkylene group having from 1 to 4 carbon atoms.Type: GrantFiled: July 17, 2019Date of Patent: April 8, 2025Assignee: MITSUI CHEMICALS, INC.Inventors: Han Zhang, Yusuke Shimizu, Satoko Fujiyama, Kenichi Goto, Shigeru Mio
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Patent number: 12271109Abstract: The disclosure addresses provision of a pellicle demounting method having excellent property with respect to reduction of contamination of a photomask. A method of demounting a pellicle, the method is provided which includes: providing a stack including a photomask, a pellicle frame, and a pellicle film that are arranged in this order; providing an electrode; and a demounting step including disposing the stack and the electrode such that the pellicle film in the stack and the electrode face each other, and applying a voltage to the electrode to generate an electrostatic attractive force, which attracts the pellicle film in a direction toward the electrode, thereby demounting the pellicle film from the photomask in the stack.Type: GrantFiled: December 10, 2020Date of Patent: April 8, 2025Assignee: MITSUI CHEMICALS, INC.Inventors: Akira Ishikawa, Kazuo Kohmura
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Patent number: 12272828Abstract: An electrode catalyst layer for a fuel cell includes a catalyst/support composite including a support and a catalyst supported thereon. The support contains a titanium oxide. The surface of the catalyst/support composite has an oxide of at least one element selected from the group consisting of niobium, tantalum, zirconium, and silicon. The ratio A2/A1 is from 0.35 to 1.70, wherein A1 is the atomic ratio of titanium on a surface of the catalyst layer and A2 is the atomic ratio of a total of niobium, tantalum, zirconium, and silicon on the surface of the catalyst layer, A1 and A2 being measured by X-ray photoelectron spectroscopy. The titanium oxide preferably has a composition TiOX (0.5?x<2).Type: GrantFiled: February 12, 2021Date of Patent: April 8, 2025Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Takuya Kitabatake, Joji Miki, Haruka Watanabe
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Patent number: 12269930Abstract: 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: GrantFiled: June 3, 2020Date of Patent: April 8, 2025Assignee: Mitsui Chemicals, Inc.Inventors: Chikako Kouda, Kazuyuki Fukuda, Takashi Uchida
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Publication number: 20250110259Abstract: A polythiol composition, comprising a polythiol compound, wherein: the polythiol composition comprises a compound C2 that has a retention time of from 16.0 minutes to 19.0 minutes in a high-performance liquid chromatography measurement performed under a specific measurement conditions A, and in the high-performance liquid chromatography measurement, the compound C2 has a peak area of 1.000 or more with respect to a total of 100 of a peak area of the compound C2 and a peak area of a main component of the polythiol composition.Type: ApplicationFiled: January 26, 2023Publication date: April 3, 2025Applicant: MITSUI CHEMICALS, INC.Inventor: Shinnosuke NAKAI
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Publication number: 20250109277Abstract: A cyclic olefin resin composition of the present invention contains a cyclic olefin copolymer (A) and a boric acid ester compound (B).Type: ApplicationFiled: February 2, 2023Publication date: April 3, 2025Applicant: MITSUI CHEMICALS, INC.Inventors: Yuya HAMADA, Yasuyuki SOEDA, Futoshi FUJIMURA, Masakatsu KASUYA, Takayuki OKUNO
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Patent number: 12263523Abstract: A method is provided for producing a bonding composition containing copper particles and a second liquid medium. In this production method, the copper particles are produced in a first liquid medium using a wet reduction method, and thus a dispersion of the copper particles is prepared. Subsequently, the first liquid medium in the dispersion is ultimately, finally or eventually replaced with the second liquid medium while the dispersion is kept wet. It is also preferable that the first liquid medium is replaced with another liquid medium one or more times, and the second liquid medium is used in the final replacement. The liquid media are preferably replaced at a temperature of lower than 100° C. The second liquid medium preferably includes one or more of water, alcohol, ketone, ester, ether, and hydrocarbon.Type: GrantFiled: March 12, 2021Date of Patent: April 1, 2025Assignee: Mitsui Mining & Smelting Co., Ltd.Inventors: Kei Anai, Shinichi Yamauchi, Jung-Lae Jo
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Patent number: 12264512Abstract: An actuator device includes: a meshing unit configured to mesh with and release a striker, the meshing unit including a latch; an actuator unit including a motor; an output lever configured to rotate to transmit driving force of the motor in the actuator unit to the meshing unit to drive the meshing unit; and a support member both ends of which are coupled to the meshing unit, the support member being configured to support the actuator unit, wherein the output lever is separated from the support member when viewed from an approaching/separating direction of the striker with respect to the meshing unit.Type: GrantFiled: June 10, 2021Date of Patent: April 1, 2025Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Minetaka Katagawa, Yohei Tsuchiya, Chenming Zhang
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4-METHYL-1-PENTENE COPOLYMER COMPOSITION, MOLDED BODY, MANDREL, AND METHOD FOR PRODUCING RUBBER HOSE
Publication number: 20250101214Abstract: A 4-methyl-1-pentene copolymer composition (X), including 50 to 90 parts by mass of a 4-methyl-1-pentene-based polymer (A) having a melting point in a range of 200 to 250° C. as measured by DSC, 5 to 30 parts by mass of a 4-methyl-1-pentene-based polymer (B) having a melting point of lower than 200° C. or having no melting point observed as measured by DSC, and 5 to 30 parts by mass of a thermoplastic elastomer (C) other than the (A) and the (B), and satisfying the following requirements (a) and (b), a molded body composed of the composition (X), and a method for producing a rubber hose. Requirement (a): the tan ? peak temperature determined by dynamic viscoelasticity measurement in a temperature range of 0 to 240° C. at a frequency of 10 rad/s is 0 to 60° C.; and requirement (b): the tan ? peak value determined by dynamic viscoelasticity measurement in a temperature range of 0 to 100° C. at a frequency of 10 rad/s is 0.15 to 0.8.Type: ApplicationFiled: October 26, 2022Publication date: March 27, 2025Applicant: MITSUI CHEMICALS, INC.Inventors: Takayuki UEKUSA, Motoyasu YASUI, Yoshisada FUKAGAWA -
Publication number: 20250100200Abstract: The present invention relates to a non-oriented film, a laminated body, and a package; the non-oriented film has a sealant layer composed of a resin composition including 30 to 90 mass % of a propylene-based polymer (A) and 10 to 70 mass % of a 1-butene/?-olefin copolymer (B), and a substrate layer; the propylene-based polymer (A) has a melting point (Tm) measured by differential scanning calorimetry (DSC) of 120° C. or higher and 135° C. or lower, and contains 50 to 90 mol % of a propylene-derived constitutional unit; the copolymer (B) has a melting point measured by DSC of lower than 120° C. or has no melting point observed by DSC, and contains 50 to 99 mol % of a 1-butene-derived constitutional unit and 1 to 50 mol % of an ?-olefin-derived constitutional unit (provided that a total of the 1-butene-derived constitutional unit and the ?-olefin-derived constitutional unit is 100 mol %), the sealant layer has a thickness of 3 to 30 ?m, and the substrate layer has a thickness of 10 to 100 ?m.Type: ApplicationFiled: January 25, 2023Publication date: March 27, 2025Applicant: MITSUI CHEMICALS, INC.Inventors: Takahiro MIZUMA, Nao SHIOZAKI, Nozomi KAMIYA, Makoto EGAWA, Yuki KAI, Hiroshi HOYA
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Publication number: 20250101209Abstract: A resin composition containing 40 to 90 mass % of a biomass-derived polyolefin (A) obtained by polymerizing a monomer component mainly containing a biomass-derived ethylene (x), 25 to 50 mass % of a linear low-density polyethylene (B) having a density of 0.90 to 0.93 g/cm3 and 1 to 10 mass % of a modified polyolefin (C) (provided that a sum of the (A), the (B) and the (C) is 100 mass %), in which a biomass content Pbio of the polyolefin (A) is 90% or more, and a biomass content Pbio of the resin composition is 50% or more, a formed body containing the same, a multilayer body, and a multilayer tube including the same. Pbio(%)=pMC/105.5×100 (in the equation, pMC indicates the content of radiocarbon 14C in the polyolefin (A) or the resin composition that is obtained in accordance with ASTM D6866.Type: ApplicationFiled: March 24, 2023Publication date: March 27, 2025Applicant: MITSUI CHEMICALS, INC.Inventors: Takashi YAMASAKI, Akane SHIMANUKI, Yuhei IZAIKE, Yoshiyuki OGAWA, Takanori SASAKI
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Publication number: 20250106953Abstract: Provided is a heating element capable of rapidly increasing the temperature even when the supply voltage is low. The heating element includes a resin film and heating wires provided on at least one surface of the resin film and including a copper wire, wherein copper crystal grains forming the copper wire have a cross-sectional crystal size of 1.5 ?m or more.Type: ApplicationFiled: January 20, 2023Publication date: March 27, 2025Applicant: MITSUI MINING & SMELTING CO., LTD.Inventors: Hiroto IIDA, Makoto HOSOKAWA, Toshiyuki SHIMIZU
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Publication number: 20250101164Abstract: A polythiourethane film comprising polythiourethane, wherein the polythiourethane is a reaction product of a bifunctional thiol compound, a trifunctional or higher thiol compound, and an isocyanate compound.Type: ApplicationFiled: January 24, 2023Publication date: March 27, 2025Applicant: MITSUI CHEMICALS, INC.Inventors: Makoto WATANABE, Motoharu OIKI, Nobuo KAWATO
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Patent number: 12258808Abstract: The size of a driving portion for a sliding door is reduced. Drive mechanism drives sliding door that can move along rail provided in a lower part of a vehicle. Drive mechanism comprises: door opening and closing cables each having first end that is fixed to sliding door; and driving portion to which a second end of door opening cable and a second end of door closing cable are fixed, wherein driving portion drives door opening cable and door closing cable. Driving portion includes: door opening drum to which the second end of door opening cable is fixed and onto which door opening cable is wound; and door closing drum to which the second end of door closing cable is fixed and onto which door closing cable is wound. Door opening drum and door closing drum are arranged along rail between a front end and a rear end of rail.Type: GrantFiled: November 2, 2020Date of Patent: March 25, 2025Assignee: MITSUI KINZOKU ACT CORPORATIONInventors: Kazuyuki Sasaki, Shinichiro Kita
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Patent number: 12261143Abstract: A method of manufacturing a substrate layered body includes: a step of applying a bonding material to the surface of at least one of a first substrate or a second substrate; a step of curing the bonding material applied on the surface to form a bonding layer having a reduced modulus at 23° C. of 10 GPa or less; and a step of bonding the first substrate and the second substrate via the bonding layer formed.Type: GrantFiled: October 17, 2019Date of Patent: March 25, 2025Assignee: MITSUI CHEMICALS, INC.Inventors: Yasuhisa Kayaba, Jun Kamada, Yuzo Nakamura
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Patent number: 12262469Abstract: Provided is a copper-clad laminate in which a copper foil and a resin are joined together with high heat-resistant adhesion force though a fluororesin is used. This copper-clad laminate includes a surface-treated copper foil including a copper foil and a zinc-containing layer on at least one surface of the copper foil; and a sheet-shaped fluororesin on the zinc-containing layer side of the surface-treated copper foil. The zinc-containing layer is composed of Zn and a transition element M having a melting point of 1200° C. or more. When the interface between the copper foil and the zinc-containing layer is subjected to elemental analysis by GD-OES, the emission intensity ratio IZn/ICu of the emission intensity of Zn to that of Cu is 3.0×10?3 or less, and the emission intensity ratio IZn/IM of the emission intensity of Zn to that of the transition element M is 0.30 to 0.50.Type: GrantFiled: July 14, 2021Date of Patent: March 25, 2025Assignee: MITSUI MINING & SMELTING CO., LTD.Inventors: Daisuke Nakajima, Shota Kawaguchi