Patents Assigned to Mitsui Chemicals, Inc.
  • Polymerizable composition for optical material and molded product
    Patent number: 11248077
    Abstract: A polymerizable composition for an optical material of the present invention includes (A) an allyl carbonate compound represented by General Formula (1) and including two or more allyloxycarbonyl groups; (B) a (meth)acrylate compound represented by General Formula (2) and including two or more (meth)acryl groups; and (C) a photochromic compound, in which, in 100% by weight in a total of the compound (A) and the compound (B), the compound (A) is included in an amount of more than 0% by weight and 30% by weight or less and the compound (B) is included in an amount of 70% by weight or more and less than 100% by weight.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: February 15, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Shinichiro Kadowaki, Nobuo Kawato, Masaru Kawaguchi
  • 4-methyl-1-pentene polymer, resin composition and molded article
    Patent number: 11248069
    Abstract: A 4-methyl-1-pentene polymer having: a unit derived from 4-methyl-1-pentene of 90 to 100% by mol; a unit selected from ethylene and an ?-olefin, other than 4-methyl-1-pentene, having 3 to 20 carbon atoms of 0 to 10% by mol; and the polymer satisfying the following requirements: (a) a meso diad fraction measured by 13C-NMR within the range of 98 to 100%; (b) a ratio of Z-average molecular weight Mz to weight-average molecular weight Mw measured by GPC within the range of 2.5 to 20; (c) a ratio of weight-average molecular weight Mw to number-average molecular weight Mn measured by GPC within the range of 3.6 to 30; (d) a melt flow rate measured under conditions of 260° C. and a 5 kg load (ASTM D1238) within the range of 0.1 to 500 g/10 min; and (e) an amount of a decane-soluble portion at 23° C. is 5.0% by mass or less.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: February 15, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masakazu Tanaka, Masahiko Okamoto, Makoto Nakano, Sadahiko Matsuura
  • Lens and eyewear
    Patent number: 11249327
    Abstract: Provided is a lens that includes a lens body and an internal electrode at least a part of which is exposed to an outer edge part of the lens body. The lens is configured so that in the outer edge part of the lens body, the shape of a first region that includes an exposed part where the internal electrode is exposed and the shape of a second region that does not include the exposed part are different. This configuration makes it possible to provide a lens that can be easily attached to a frame.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: February 15, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Tsuyoshi Kamibeppu, Hirofumi Asada, Akifumi Aono, Akihiro Muramatsu, Toshifumi Hino
  • Method for producing porous molded body, method for producing catalyst for ?-olefin dimerization, method for producing ?-olefin dimer, porous molded body, and catalyst for ?-olefin dimerization
    Patent number: 11247194
    Abstract: Provided is a method of producing a porous molded body, the method including: the step of obtaining a molded body by molding a raw material that contains from 1 part by mass to 100 parts by mass of a bicarbonate compound (A) represented by AHCO3 (wherein, A represents Na or K) and from 0 parts by mass to 99 parts by mass of a compound (B) represented by BnX (wherein, B represents Na or K; X represents CO3, SO4, SiO3, F, Cl, or Br; and n represents an integer of 1 or 2 as determined by the valence of X) (provided that a total amount of (A) and (B) is 100 parts by mass); and the step of obtaining a porous molded body by performing a heat treatment of the molded body in a temperature range of from 100° C. to 500° C. and an atmosphere that contains water vapor in an amount of from 1.0 g/m3 to 750,000 g/m3 and thereby thermally decomposing not less than 90% by mass of the bicarbonate compound (A).
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: February 15, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Masami Murakami, Naoya Takahashi, Ryo Niishiro
  • POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, POLYMERIZABLE PREPOLYMER COMPOSITION FOR OPTICAL MATERIAL, CURED PRODUCT, AND METHOD OF PRODUCING OPTICAL MATERIAL
    Publication number: 20220041788
    Abstract: A polymerizable composition for an optical material containing two or more different monomers for an optical material, and a polymerization catalyst, in which at least one of the two or more different monomers for an optical material is an isocyanate compound containing an aromatic ring, a content of the polymerization catalyst with respect to a total of 100 parts by mass of the two or more different monomers for an optical material is from 0.010 parts by mass to 0.50 parts by mass, and the viscosity measured by a B-type viscometer at 25° C. and 60 rpm is from 10 mPa·s to 1,000 mPa·s.
    Type: Application
    Filed: January 27, 2021
    Publication date: February 10, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kouji SUESUGI, Shinsuke ITO, Shotaro NAKANO, Yusuke MATSUI
  • POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, POLYMERIZABLE PREPOLYMER COMPOSITION FOR OPTICAL MATERIAL, CURED PRODUCT, AND METHOD OF PRODUCING OPTICAL MATERIAL
    Publication number: 20220041789
    Abstract: A polymerizable composition for an optical material containing two or more different monomers for an optical material, and a polymerization catalyst, in which at least one of the two or more different monomers for an optical material is an isocyanate compound containing no aromatic rings, a content of the polymerization catalyst with respect to a total of 100 parts by mass of the two or more different monomers for an optical material is from more than 0.05 parts by mass to 2.0 parts by mass, and a viscosity measured by a B-type viscometer at 25° C. and 60 rpm is from 10 mPa·s to 1,000 mPa·s.
    Type: Application
    Filed: January 27, 2021
    Publication date: February 10, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kouji SUESUGI, Shinsuke ITO, Shotaro NAKANO, Yusuke MATSUI
  • RESIN COMPOSITION CONTAINING 4-METHYL-1-PENTENE COPOLYMER, AND FILM FOR CAPACITORS
    Publication number: 20220041847
    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: Application
    Filed: December 2, 2019
    Publication date: February 10, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Hisanori HASHIMOTO, Masahiko OKAMOTO, Makoto NAKANO, Toyoaki SASAKI, Masakazu TANAKA
  • Supporting frame for pellicle, pellicle, method for manufacturing same, exposure master using same, and method for manufacturing semiconductor device
    Patent number: 11243463
    Abstract: Provided is a supporting frame in which a vent hole detachably arranging a filter and to which a pellicle film for extreme ultraviolet lithography can be attached. A support frame according to an embodiment of the present invention is a support frame for arranging a pellicle film, the support frame has a through hole being made from a hole extending along a first direction, the first direction being almost parallel to a surface direction of the pellicle film, and a hole extending along a second direction, the second direction not being parallel to the first direction; and the support frame includes a filter, the filter arranged at an inside of the through hole or at an end of the through hole, and the filter is arranged apart from the pellicle film.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: February 8, 2022
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Akira Ishikawa, Atsushi Okubo, Yosuke Ono, Kazuo Kohmura
  • CYCLIC OLEFIN-BASED RESIN COMPOSITION, MOLDED PRODUCT AND OPTICAL COMPONENT
    Publication number: 20220033598
    Abstract: The cyclic olefin-based resin composition of the present invention is a cyclic olefin-based resin composition including: a cyclic olefin-based copolymer (A); and inorganic fine particles (B) having a surface modified by a modifier, in which the modifier is one kind or two or more kinds selected from the group consisting of a phosphoric acid ester, an organic phosphonic acid, a phosphonic acid ester, a carboxylic acid, a sulfonic acid, a hydrocarbon compound having an amino group, and a silane coupling agent, and the inorganic fine particles (B) exist in a state of being dispersed in the cyclic olefin-based copolymer (A).
    Type: Application
    Filed: September 5, 2019
    Publication date: February 3, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Mikiko NOGUCHI, Haruka SAITO, Masahiko OKAMOTO, Seigou KAWAGUCHI, Yuto TSUKUTA
  • NON-AQUEOUS ELECTROLYTE SOLUTION FOR BATTERY AND LITHIUM SECONDARY BATTERY
    Publication number: 20220029199
    Abstract: A non-aqueous electrolyte solution for a battery, wherein the non-aqueous electrolyte solution is used for a lithium secondary battery comprising lithium iron phosphate as a positive electrode active material, and the non-aqueous electrolyte solution comprises a compound represented by the following Formula (1). In Formula (1), R11 and R12 each independently represent an aliphatic group having from 1 to 12 carbon atoms or a fluorinated aliphatic group having from 1 to 12 carbon atoms.
    Type: Application
    Filed: November 29, 2019
    Publication date: January 27, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Satoko FUJIYAMA, Kei SUGAWARA
  • LAMINATE INCLUDING LAYER OF ETHYLENE-alpha-OLEFIN-NONCONJUGATED POLYENE COPOLYMER COMPOSITION, AND APPLICATION THEREOF
    Publication number: 20220001657
    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: Application
    Filed: October 31, 2019
    Publication date: January 6, 2022
    Applicants: MITSUI CHEMICALS, INC., DAIKIN INDUSTRIES, LTD.
    Inventors: Yoshiharu KIKUCHI, Kotaro ICHINO, Kozue OSAWA, Yuki KUWAJIMA
  • MULTILAYER NONWOVEN FABRIC, STRETCHABLE MULTILAYER NONWOVEN FABRIC, FIBER PRODUCT, ABSORBENT ARTICLE, AND SANITARY MASK
    Publication number: 20210401099
    Abstract: A multilayer nonwoven fabric includes: a surface layer; an intermediate layer; and a back layer; in this order, wherein the surface layer and the back layer are each independently a spunbonded nonwoven layer comprising a long fiber of a thermoplastic polyurethane elastomer (A) and a long fiber of a thermoplastic resin (B), the intermediate layer is a spunbonded layer comprising 50% by mass or more of a long fiber of a thermoplastic polyurethane elastomer (a), and a storage elastic modulus of the thermoplastic polyurethane elastomer (A) and a storage elastic modulus of the thermoplastic polyurethane elastomer (a) are each independently 25.0 MPa or less.
    Type: Application
    Filed: October 15, 2019
    Publication date: December 30, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shouichi TAKAKU, Sho IIHAMA, Koichi SHIMADA, Shigeyuki MOTOMURA
  • (METH)ACRYLATE, MONOMER COMPOSITION, MOLDED BODY, COMPOSITION FOR DENTAL MATERIAL, AND DENTAL MATERIAL
    Publication number: 20210403632
    Abstract: A (meth)acrylate includes a compound (X) having a structure formed by a reaction of an epoxy compound (A) containing an epoxy group and a tertiary carbon atom or a quaternary carbon atom, a (meth)acrylic acid (B), and an iso(thio)cyanate compound (C) having two or more iso(thio)cyanate groups.
    Type: Application
    Filed: December 11, 2019
    Publication date: December 30, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventor: Naoyuki KAKINUMA
  • Composition for forming metal-containing film, method of producing composition for forming metal-containing film, semiconductor device, and method of producing semiconductor device
    Patent number: 11209735
    Abstract: A composition for forming a metal-containing film, the composition including: a compound (A) which is at least one selected from the group consisting of: a compound (a1) containing a cationic functional group containing at least one of a primary nitrogen atom or a secondary nitrogen atom, and a compound (a2) which is a compound other than the compound (a1) and which contains a nitrogen atom; and a compound (B) which is at least one selected from the group consisting of: a compound (b1) containing a carboxy group and at least one of a germanium atom, a tin atom, a selenium atom or a zirconium atom, and an ester of the compound (b1).
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: December 28, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Yasuhisa Kayaba, Shoko Ono, Hirofumi Tanaka
  • Pellicle support frame, pellicle, method for manufacturing pellicle support frame, and exposure original plate and exposure device employing pellicle
    Patent number: 11204547
    Abstract: A support frame for pellicle is provided including a first support frame part, a second support frame part, and a filter, wherein the filter has a flat plate-shaped frame shape and is sandwiched by the first support frame part and the second support frame part, the first support frame part includes a first body part having a flat plate-shaped frame shape and a first engaging portion protruded from the first body part to a thickness direction of the support frame for pellicle, and the second support frame part includes a second body part having a flat plate-shaped frame shape and a second engaging portion of the second body part engaging with the first engaging portion being arranged in a concave part provided in the thickness direction of the support frame for pellicle.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: December 21, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Akira Ishikawa, Atsushi Okubo, Yosuke Ono, Kazuo Kohmura
  • METHOD OF MANUFACTURING SUBSTRATE LAYERED BODY AND LAYERED BODY
    Publication number: 20210391292
    Abstract: 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: Application
    Filed: October 17, 2019
    Publication date: December 16, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yasuhisa KAYABA, Jun KAMADA, Yuzo NAKAMURA
  • MULTILAYER NONWOVEN FABRIC, STRETCHABLE MULTILAYER NONWOVEN FABRIC, FIBER PRODUCT, ABSORBENT ARTICLE, AND SANITARY MASK
    Publication number: 20210388548
    Abstract: A multilayer nonwoven fabric includes an elastic nonwoven fabric comprising an ?-olefin copolymer having a ratio of a storage elastic modulus E40 at 40° C. and a storage elastic modulus E23 at 23° C. (E40/E23) is 37% or more, and an extensible spunbonded nonwoven fabric disposed on at least one side of the elastic nonwoven fabric.
    Type: Application
    Filed: October 25, 2019
    Publication date: December 16, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Shouichi TAKAKU, Koichi SHIMADA, Shigeyuki MOTOMURA
  • Medical film and method for producing same, medical coating composition, medical device and method for producing same
    Patent number: 11198280
    Abstract: The purpose of the present invention is to provide a medical film having excellent transparency, heat resistance, and solvent resistance. This medical film is a medical film including a heat-resistant resin having a glass transition temperature measured by thermomechanical analysis TMA of 190° C. or higher wherein the medical film has a total light transmittance of 80% or higher at a thickness of 10 ?m and a b* value in the L*a*b* color system of 10 or lower.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: December 14, 2021
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Kenichi Fukukawa, Masaki Okazaki, Tatsuhiro Urakami, Hiroshi Miyasako
  • DENTAL POLYFUNCTIONAL MONOMERS AND DENTAL HYDROXYL GROUP-CONTAINING MONOMERS
    Publication number: 20210378919
    Abstract: Provided are monomers useful for dental materials that include a compound in which a core and a specific terminal group are bonded to each other directly or via a linking group, wherein the core is a C1-200 polyvalent organic group having a valence of not less than 3 containing an oxygen atom or a nitrogen atom in which an atom bonded to the terminal group or the linking group is the oxygen atom or the nitrogen atom; the terminal group is a specific (meth)acryloyl group-containing group, a (meth)acryloyl group, a C1-20 hydrocarbon group or a hydrogen atom, and the terminal group needs to meet specific requirements; and the linking group is a specific divalent group, and when the compound contains a plurality of linking groups, the linking groups may be the same as or different from each other. Compositions, dental materials and kits are also provided.
    Type: Application
    Filed: August 23, 2021
    Publication date: December 9, 2021
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Yoko KOSUGI, Akiko MATSUMOTO, Kazuhiko YOSHINAGA
  • SEMICONDUCTOR ELEMENT INTERMEDIATE, AND METHOD OF PRODUCING SEMICONDUCTOR ELEMENT INTERMEDIATE
    Publication number: 20210375710
    Abstract: A method of producing a semiconductor element intermediate includes: a preparing step of preparing a substrate having a recessed part on a surface thereof; and a filling step of filling tin oxide into the recessed part by an atomic layer deposition method at a substrate temperature of 250° C. or higher, using a tin oxide precursor including a compound represented by the following Formula (1). In Formula (1), each of R1 to R4 independently represents an alkyl group having from 1 to 6 carbon atoms.
    Type: Application
    Filed: November 19, 2019
    Publication date: December 2, 2021
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Hiroko WACHI, Hirofumi TANAKA, Yasuhisa KAYABA, Kenichi FUJII