Patents Assigned to Zeon Corporation
  • Patent number: 11707722
    Abstract: Provided are hollow particles which are more excellent in heat resistance and dispersibility than ever before and which are lightweight. The hollow particles containing hollow resin particles having a surface covered with inorganic fine particles, wherein a volume average particle diameter of the hollow particles is from 0.1 ?m to 9.0 ?m, and a void ratio thereof is from 55% to 95%; wherein a repeating unit constituting the resin of the hollow resin particles contains a crosslinkable monomer unit, and a content of the crosslinkable monomer unit is from 25 to 100 parts by mass, with respect to 100 parts by mass of the resin; wherein a primary particle diameter of the inorganic fine particles is from 10 nm to 120 nm; and wherein the inorganic fine particles are contained at from 5 to 180 parts by mass, with respect to 100 parts by mass of the hollow resin particles.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: July 25, 2023
    Assignee: ZEON CORPORATION
    Inventors: Takeshi Hirata, Nozomi Yabuki
  • Publication number: 20230223627
    Abstract: Provided is a sealant for a non-aqueous electrolyte solution battery that can form a sealant layer having excellent adhesiveness with respect to a metal surface. The sealant for a non-aqueous electrolyte solution battery contains a non-polar polymer and a nitrogen-containing heterocyclic compound. The proportional content of the nitrogen-containing heterocyclic compound is preferably not less than 0.01 mass % and not more than 5 mass %.
    Type: Application
    Filed: June 22, 2021
    Publication date: July 13, 2023
    Applicant: ZEON CORPORATION
    Inventor: Kouichirou MAEDA
  • Publication number: 20230223894
    Abstract: An energy harvesting module (1) includes: an energy harvesting element (2) including a first side (2a); and a frame (4). At the first side (2a), the frame (4) has an alternating arrangement structure (7) in which, along an outer edge of the energy harvesting element (2), there is alternating arrangement of: an outward second perimeter wall structure (7a) configured such that a second perimeter wall (6b) overlaps with a first perimeter wall (5b) from an outward radial direction and is snap-fitted therewith; and an inward second perimeter wall structure (7b) configured such that the second perimeter wall (6b) overlaps with the first perimeter wall (5b) from an inward radial direction and is snap-fitted therewith.
    Type: Application
    Filed: June 22, 2021
    Publication date: July 13, 2023
    Applicant: ZEON CORPORATION
    Inventor: Tadakatsu NAKADAIRA
  • Patent number: 11697627
    Abstract: The object is to selectively separate a linear compound from a treatment subject containing linear and alicyclic compounds as double bond-containing hydrocarbon compounds in which every hydrogen is replaced with fluorine or chlorine. A method of separating a double bond-containing linear hydrocarbon in which every hydrogen is replaced with fluorine or chlorine includes bringing a treatment subject containing a double bond-containing linear hydrocarbon in which every hydrogen is replaced with fluorine or chlorine and a double bond-containing alicyclic hydrocarbon in which every hydrogen is replaced with fluorine or chlorine into contact with at least one amine compound selected from the group consisting of a heterocyclic aromatic amine compound and a tertiary amine represented by a formula: NR1R2R3 (R1, R2, and R3 are each independently an alkyl group, and two thereof may in combination form an alkylene group that is optionally interrupted by oxygen or sulfur).
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: July 11, 2023
    Assignee: ZEON CORPORATION
    Inventor: Takayuki Ishimura
  • Publication number: 20230212344
    Abstract: Provided is a thermoplastic elastomer composition for an impact-resistant material, comprising a block copolymer composition comprising a block copolymer (B) in which a functional group capable of noncovalent bonding is introduced into a block copolymer (A) including at least one aromatic vinyl polymer block and at least one conjugated diene polymer block.
    Type: Application
    Filed: February 4, 2021
    Publication date: July 6, 2023
    Applicants: ZEON CORPORATION, National University Corporation Tokai National Higher Education and Research System
    Inventors: Sadaharu HASHIMOTO, Atsushi NOZAWA, Atsushi NORO, Takato KAJITA, Haruka TANAKA, Yushu MATSUSHITA
  • Publication number: 20230212000
    Abstract: A microchannel chip with which channel deformation does not occur even when high-temperature and high-pressure sterilization treatment is performed and with which strong joining performance of substrates is maintained; and a method for manufacturing the same are provided. A microchannel chip comprising: a channel substrate having a microchannel formed on at least one surface thereof; a lid substrate; and a joining layer joining the channel substrate and the lid substrate, wherein the channel substrate, the lid substrate, and the joining layer are each formed of a cycloolefin polymer, a glass-transition temperature Tgs1 of a cycloolefin polymer forming the channel substrate, a glass-transition temperature Tgs2 of a cycloolefin polymer forming the lid substrate, and a glass-transition temperature Tg2 of a cycloolefin polymer forming the joining layer have relationships: Tgs1>Tg2; and Tgs2>Tg2, and the joining layer has a thickness within a specific range.
    Type: Application
    Filed: May 24, 2021
    Publication date: July 6, 2023
    Applicant: ZEON CORPORATION
    Inventor: Hiroya NISHIOKA
  • Patent number: 11692051
    Abstract: A method for producing a nitrile group-containing copolymer rubber including copolymerizing a monomer mixture containing an ?,?-ethylenically unsaturated nitrile monomer and a conjugated diene monomer, in which the copolymer has a Mooney viscosity (ML1+4, 100° C.) in a range of 30 to 60 at a time point when a polymerization conversion rate is 60%, the copolymerization is carried out until the polymerization conversion rate reaches 85% or more, and the obtained nitrile group-containing copolymer rubber has a Mooney viscosity (ML1+4, 100° C.) of 85 to 150.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: July 4, 2023
    Assignee: ZEON CORPORATION
    Inventors: Atsuhiro Shiono, Tomoyuki Shibuya
  • Publication number: 20230202090
    Abstract: A method for producing a phase difference film is provided. The phase difference film consisting of a resin C contains a copolymer P containing a polymerization unit A and a polymerization unit B, and includes a phase separation structure that exhibits a structural birefringence. The phase separation structure includes a phase including as a main component the polymerization unit A and another phase including as a main component the polymerization unit B. The phase difference film has an NZ factor of greater than 0 and smaller than 1. The method comprises: forming a single layer film of a resin C; and causing phase separation of the resin C in the film, which includes a step of applying to the film a stress along a thickness direction thereof.
    Type: Application
    Filed: February 22, 2023
    Publication date: June 29, 2023
    Applicant: ZEON CORPORATION
    Inventor: Takeshi ASADA
  • Publication number: 20230200658
    Abstract: An in vivo pressure measurement device includes: a light source configured to output test light; an optical fiber, to which the test light is input, at least partially including a sensor optical fiber configured to transmit the test light with a loss of 0.3 dB/m or more; and a light receiving unit configured to receive the test light transmitted through the sensor optical fiber. The in vivo pressure measurement device is configured to measure pressure in a living body acting on the sensor optical fiber based on intensity of the test light received at the light receiving unit.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Applicants: FURUKAWA ELECTRIC CO., LTD., ZEON CORPORATION
    Inventors: Hideaki HASEGAWA, Hiroyuki TAMAOKA, Takashi FUJIHATA
  • Publication number: 20230198427
    Abstract: A rotary drive mechanism comprises: a camshaft having a plurality of cams; and a plurality of transducer units each including a plurality of transducers that each have a dielectric elastomer layer and a pair of electrode layers sandwiching the dielectric elastomer layer. The plurality of transducer units each provide a drive force to a corresponding one of the plurality of cams. The plurality of transducers in one of the transducer units are arranged radially around the corresponding cam. Such a configuration can exert a drive force more efficiently.
    Type: Application
    Filed: March 24, 2021
    Publication date: June 22, 2023
    Applicants: ZEON CORPORATION
    Inventors: Seiki CHIBA, Mikio WAKI, Mitsugu UEJIMA, Makoto TAKESHITA
  • Patent number: 11680112
    Abstract: An extrusion dryer for a rubbery polymer includes a cylinder equipped with a hopper for injection of the rubbery polymer at one end and a die at the other end. A screw is rotatably arranged inside of the cylinder, the screw having a shaft and a spiral flight formed on an outer surface of the shaft. The shaft includes multiple zones, each including a conveyance section and a compression section. In the zone closest to the die, the outer diameter of the shaft at the conveyance section is smaller than the outer diameter at the compression section.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: June 20, 2023
    Assignee: ZEON CORPORATION
    Inventors: Masao Nakamura, Kenichiro Sumiura, Junichi Imai
  • Publication number: 20230187784
    Abstract: A lithium-ion secondary battery including a plurality of layered units (U), wherein: the layered unit (U) is a unit including a positive electrode layer, a separator layer and a negative electrode layer, and an adhesive layer (NS) interposed between the negative electrode layer and the separator layer to bond them together, the unit having a plurality of edge portions; and the adhesive layer (NS) has a protruding portion protruding to an outer peripheral side of the negative electrode layer at one or more of the edge portions; and a method for producing the lithium-ion secondary battery.
    Type: Application
    Filed: May 14, 2021
    Publication date: June 15, 2023
    Applicant: ZEON CORPORATION
    Inventor: Seiji OKADA
  • Publication number: 20230185211
    Abstract: Provided is a toner for development of electrostatic images comprising colored resin particles containing a binder resin, a colorant, a charge control agent, and a release agent, wherein the colored resin particles have a storage modulus G? (60) at 60° C. of 1.0×108 to 5.0×108 Pa, a storage modulus G? (100) at 100° C. of 8.0×104 to 2.3×105 Pa, and a storage modulus G? (150) at 150° C. of 1.4×104 to 3.0×104 Pa, these storage moduli being determined by dynamic viscoelastic analysis.
    Type: Application
    Filed: June 25, 2021
    Publication date: June 15, 2023
    Applicant: ZEON CORPORATION
    Inventors: Sakyo Yagyu, Takeshi Hirata
  • Publication number: 20230182440
    Abstract: The purpose of the present invention is to provide an assembly method for manufacturing with which deformation caused by heating during joining is inhibited, peeling apart of the assembly is facilitated, protein adsorption is suppressed, and low haze is achieved. An assembly [3] includes one or more types of shaped products [1] that are joined via a joining layer [2] having a material constitution different from the shaped products; and a method for manufacturing the same. The joining layer [2] contains: 100 parts by weight of a cycloolefin resin [4]; and a softening agent [5]. The content of the softening agent [5] in the joining layer [2] is 6 parts by weight to 99 parts by weight of the softening agent [5] relative to 100 parts by weight of the cycloolefin resin [4]. The joining layer [2] has a haze of 1.0 or less.
    Type: Application
    Filed: May 24, 2021
    Publication date: June 15, 2023
    Applicant: ZEON CORPORATION
    Inventors: Daido CHIBA, Takuya KOMATSUBARA
  • Patent number: 11673984
    Abstract: Provided is a binder composition for a non-aqueous secondary battery electrode that can form a slurry composition for a non-aqueous secondary battery electrode having excellent viscosity stability and a non-aqueous secondary battery having excellent cycle characteristics. The binder composition for a non-aqueous secondary battery electrode contains: a polymer that includes a monomer unit including a functional group that is bondable with a cationic group and a (meth)acrylic acid ester monomer unit; and an organic compound that includes at least two cationic groups. The binder composition for a non-aqueous secondary battery electrode has a viscosity change rate of 400% or less when left at rest at a temperature of 60° C. for 30 days.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: June 13, 2023
    Assignee: ZEON CORPORATION
    Inventors: Tomoya Murase, Taku Matsumura
  • Publication number: 20230178751
    Abstract: Provided is a composition for an electrochemical device functional layer with which it is possible to form a functional layer for an electrochemical device that can impart excellent process adhesiveness and blocking resistance to an electrochemical device member such as an electrode or a separator and that can cause an electrochemical device to display excellent electrochemical characteristics. The composition for an electrochemical device functional layer contains a particulate polymer and a binder. The particulate polymer has a molecular weight distribution (weight-average molecular weight (Mw)/number-average molecular weight (Mn)) of not less than 1.0 and not more than 3.0.
    Type: Application
    Filed: March 15, 2021
    Publication date: June 8, 2023
    Applicant: ZEON CORPORATION
    Inventors: Tasuku OGIHARA, Takuya KANEDA
  • Publication number: 20230167270
    Abstract: An acrylic rubber composition comprising an acrylic rubber and a compound represented by General Formula (1): where R1 to R4 each independently represent a C1 to C30 organic group which may have a substituent, and R5 to R10 each independently represent a hydrogen atom or a C1 to C30 organic group which may have a substituent.
    Type: Application
    Filed: March 4, 2021
    Publication date: June 1, 2023
    Applicant: ZEON CORPORATION
    Inventors: Masahiro ONOE, Dung Hanh DO
  • Patent number: 11664633
    Abstract: Disclosed is a power wiring device which comprises: at least one elongated wiring member which includes a plurality of first connectors and allows the first connectors to be mutually electrically conducted; and a plurality of circuit modules each including a second connector which is mechanically and electrically attachable to and detachable from any of the first connectors, wherein the plurality of circuit modules include: at least one energy harvesting module as a circuit module capable of outputting power generated by energy harvesting from the second connector; and at least one load module as a circuit module capable of consuming power input from the second connector.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: May 30, 2023
    Assignee: ZEON CORPORATION
    Inventors: Masayoshi Yoshida, Kiyoshige Kojima
  • Patent number: 11661345
    Abstract: Provided is a fibrous carbon nanostructure that is easy to surface modify. A peak of a temperature derivative curve that is a first derivative curve of a thermogravimetric curve obtained by thermogravimetric analysis of the fibrous carbon nanostructure in a dry air atmosphere has a full width at half maximum of not less than 38° C. and less than 90° C., and a high-temperature-side temperature at a height equivalent to 1/10 of the peak top height of the peak is 658° C. or higher.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: May 30, 2023
    Assignee: ZEON CORPORATION
    Inventor: Osamu Kawakami
  • Publication number: 20230159682
    Abstract: An acrylic rubber, including: 50 to 99.9% by weight of a bond unit derived from at least one (meth) acrylic acid ester selected from the group consisting of (meth) acrylic acid alkyl ester and (meth) acrylic acid alkoxyalkyl ester; 0.1 to 20% by weight of a bond unit derived from a monomer containing a reactive group; and 0 to 30% by weight of a bond unit derived from other monomer, wherein the acrylic rubber contains a phenolic anti-aging agent represented by a general formula (1), (R1 represents an isopropyl group or a t-butyl group, and R2 represents an alkyl group having 1 to 12 carbon atoms), and the weight average molecular weight (Mw) of the acrylic rubber is in the range of 100,000 to 5,000,000.
    Type: Application
    Filed: June 5, 2020
    Publication date: May 25, 2023
    Applicant: ZEON CORPORATION
    Inventors: Hirofumi MASUDA, Takafumi KAWANAKA