Patents Assigned to Kaneka Corporation
  • Publication number: 20230312916
    Abstract: A molded article contains a poly(3-hydroxyalkanoate) resin component. The poly(3-hydroxyalkanoate) resin component includes: a copolymer (A) which is a copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units and in which the content of the other hydroxyalkanoate units is from 1 to 6 mol %; and a copolymer (B) which is a copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units and in which the content of the other hydroxyalkanoate units is 24 mol % or more. In the poly(3-hydroxyalkanoate) resin component, the proportion of the copolymer (A) is from 40 to 90 wt %, and the proportion of the copolymer (B) is from 10 to 60 wt %. A 50% fracture energy of the molded article, as measured by a DuPont impact test, is 0.3 J or more.
    Type: Application
    Filed: September 6, 2021
    Publication date: October 5, 2023
    Applicant: KANEKA CORPORATION
    Inventor: Tomoaki HASHIGUCHI
  • Publication number: 20230312905
    Abstract: An acrylic resin composition for use in film production by solution casting contains an acrylic polymer containing, as structural units, 30 to 100 wt % of methyl methacrylate units and 0 to 70 wt % of other monomer units copolymerizable with the methyl methacrylate units; and an ionic emulsifier. The content of the ionic emulsifier is from 0.1 to 10 parts by weight per 100 parts by weight of the acrylic polymer.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 5, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Fuminobu Kitayama, Takuya Kamimura, Hirotsugu Yamada
  • Publication number: 20230302258
    Abstract: The objective is to provide an asymmetrically bendable catheter configured such that a bent shape is different depending on whether the catheter distal part bends to one side or the other side. Disclosed is a catheter having a shaft, a first wire, a second wire, a leaf spring disposed in the lumen of the shaft so as to separate the lumen of the shaft into a first part where the first wire is disposed and a second part where the second wire is disposed, a supporting member, and a first coil having a lumen in which the first wire is disposed; the first coil fixed to a proximal end side of the leaf spring at two or more locations, and the first coil having a total length L1 in its natural state and a total length LC1 at maximum compression, and a ratio LC1/L1 is 0.9 or more.
    Type: Application
    Filed: May 27, 2021
    Publication date: September 28, 2023
    Applicant: KANEKA CORPORATION
    Inventor: Toshiya KISA
  • Publication number: 20230303828
    Abstract: Provided is a resin film containing a reaction product of 100 parts by weight of a poly(3-hydroxyalkanoate) resin component and 0.01 to 0.5 parts by weight of an organic peroxide. The poly(3-hydroxyalkanoate) resin component includes: a copolymer (A) which is a copolymer of 3-hydroxybutyrate units and 3-hydroxyhexanoate units and in which a content of the 3-hydroxyhexanoate units is from 1 to 6 mol %; and a copolymer (B) which is a copolymer of 3-hydroxybutyrate units and 3-hydroxyhexanoate units and in which a content of the 3-hydroxyhexanoate units is 24 mol % or more.
    Type: Application
    Filed: August 12, 2021
    Publication date: September 28, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Wei MIAO, Takeshi SUGIYAMA
  • Publication number: 20230304061
    Abstract: This invention is intended to improve glutathione productivity by fermentation using microorganisms. This invention relates to a microbial strain capable of overexpression of ?-glutamylcysteine, bis-?-glutamylcystine, ?-glutamylcystine, reduced glutathione, and/or oxidized glutathione in which the expression level of a gene encoding serine-O-acetyltransferase (EC:2.3.1.30) is enhanced and a method involving the use of such microbial strain.
    Type: Application
    Filed: April 23, 2021
    Publication date: September 28, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Shingo KOBAYASHI, Nobuhiko DOJUN, Misato MATSUI, Naoaki TAOKA
  • Publication number: 20230294902
    Abstract: In order to prevent external air from flowing into the insides of side wall panels and to efficiently set heat storage materials into the side wall panels, a constant-temperature transport container includes side wall panels. The side wall panels are configured such that insertion corners are formed by side surfaces, and the side surfaces being arranged adjacent to each other with insertion openings being exposed to an outside. The side wall panels are connected to each other via side surfaces opposite to the insertion corners. Each of the insertion corners is provided with a fitting corner configured to be fitted to the side surfaces provided with the insertion openings.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Applicants: KANEKA CORPORATION, TAMAIKASEI CO., LTD.
    Inventors: Risa Narahara, Masatada Sakai, Yuka Sekiya
  • Publication number: 20230295358
    Abstract: A glutarimide resin contains repeating units of formula (1), wherein R1 and R2 are each independently hydrogen or an alkyl group having 1 to 8 carbon atoms; repeating units of formula (2), wherein R3 and R4 are each independently hydrogen or an alkyl group having 1 to 8 carbon atoms, and repeating units of formula (3), wherein R5 and R6 are each independently hydrogen or an alkyl group having 1 to 8 carbon atoms, and R7 is an alkyl group having 1 to 18 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, or a substituent containing an aromatic ring having 5 to 15 carbon atoms. The glutarimide resin satisfies the following inequality: 3?M1+M2?20. M1 is the content (mol %) of the repeating units of the formula (1) and M2 is the content (mol %) of the repeating units of the formula (2).
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Tomoki Hiiro, Riru Nishikawa, Keita Hirai, Keisuke Hatano
  • Publication number: 20230295416
    Abstract: A one-part curable resin composition contains 100 parts by weight of an epoxy resin (A), 1 to 100 parts by weight of core-shell-structured polymer particles and/or blocked urethane as a component (B), a compound (C) having one to three phenolic hydroxy groups per molecule, the compound (C) not being a compound having an amino group; and dicyandiamide (D). The ratio of the number of moles of the phenolic hydroxy groups of the compound (C) to the number of moles of CN groups derived from the dicyandiamide (D) is from 0.01 to 0.39 when the compound (C) has one phenolic hydroxy group per molecule and from 0.01 to 1.5 when the compound (C) has two or three phenolic hydroxy groups per molecule.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Applicant: KANEKA CORPORATION
    Inventor: Toshihiko Okamoto
  • Publication number: 20230295362
    Abstract: A glutarimide resin contains repeating units represented by formula (1), formula (2), formula (3) and formula (4). R1 and R2 are each independently hydrogen or an alkyl group having 1 to 8 carbon atoms, and R3 and R4 are each independently hydrogen or an alkyl group having 1 to 8 carbon atoms. R5 and R6 are each independently hydrogen or an alkyl group having 1 to 8 carbon atoms, and R7 is an alkyl group having 1 to 18 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, or a substituent containing an aromatic ring having 5 to 15 carbon atoms. R8 is hydrogen or an alkyl group having 1 to 8 carbon atoms, and R9 is an aryl group having 6 to 10 carbon atoms.
    Type: Application
    Filed: May 26, 2023
    Publication date: September 21, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Tomoki Hiiro, Riru Nishikawa, Keita Hirai, Keisuke Hatano
  • Patent number: 11760855
    Abstract: An acrylic resin film is provided that may include graft copolymer particles (A) with a multilayer structure and graft copolymer particles (B) with a multilayer structure, wherein the graft copolymer particles (A) may have an average particle size in the range of 20 to 150 nm, the graft copolymer particles (B) may have a larger average particle size than the graft copolymer particles (A). The graft copolymer particles (A) may include a cross-linked elastomer (A1) and a graft polymer layer (A2), the graft polymer layer (A2) being closer to a surface layer than the cross-linked elastomer (A1). Further, a constituent unit may be derived from an acrylate with an alkyl ester moiety having two or more carbon atoms constitutes 8% or less by mass of the graft polymer layer (A2), the graft copolymer particles (B) may contain a cross-linked elastomer (B1).
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: September 19, 2023
    Assignee: KANEKA CORPORATION
    Inventors: Haruki Koyama, Hanako Hasebe, Katsumi Yamaguchi, Yukihiro Shimamoto
  • Publication number: 20230287349
    Abstract: A large amount of cardiomyocyte spheroids is obtained from dissociated cardiomyocytes in a simple manner, in a short time, without using a special culture medium component, and without using a complicatedly-shaped container or a minute container. The problems can be solved by a method for producing cardiomyocyte spheroids, the method including allowing dissociated cardiomyocytes to flow under suspension conditions in a non-annular container to aggregate the cells. In addition, the problems can also be solved by a method for producing cardiomyocyte spheroids, in which the dissociated cardiomyocytes have a history of stabilization culture after thawing.
    Type: Application
    Filed: July 13, 2021
    Publication date: September 14, 2023
    Applicant: KANEKA CORPORATION
    Inventor: Yoshikazu KAWAI
  • Publication number: 20230276870
    Abstract: The present invention relates to a fabric containing a modacrylic fiber A and a cellulosic fiber, wherein the modacrylic fiber A contains an infrared absorber inside the fiber, and the fabric is dyed with at least a yellow cationic dye, a yellow reactive dye, and a yellow disperse dye. The fabric can be produced by dyeing a fabric containing a modacrylic fiber A and a cellulosic fiber with a cationic dye, a reactive dye, and a disperse dye to exhibit a fluorescent yellow color. Accordingly, it is possible to provide a fabric with excellent arc resistance and visibility, a method for producing the same, and a clothing item using the same.
    Type: Application
    Filed: May 26, 2021
    Publication date: September 7, 2023
    Applicant: KANEKA CORPORATION
    Inventor: Wataru KAWAUCHI
  • Patent number: 11750144
    Abstract: The present invention provides an indoor structure in which a wire to a solar cell module is hardly visible and design is improved. In an indoor structure, a solar cell module is attached to a window disposed between a ceiling and a floor.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: September 5, 2023
    Assignee: KANEKA CORPORATION
    Inventor: Toru Sawada
  • Patent number: 11746249
    Abstract: The present invention relates to polyvinyl chloride aggregate particles, in which a particle diameter D50 at a cumulative volume percentage of 50 vol % in a volume particle size distribution is 0.5 ?m or more and 5.0 ?m or less, and a particle diameter D90 at a cumulative volume percentage of 90 vol % in the volume particle size distribution is 8.0 ?m or less, and a Na concentration in the polyvinyl chloride aggregate particles is 90 ppm or less. The present invention relates to a composition for a metal can coating material, a composition for a marking film and a method for producing the same, and a coating film that contain the polyvinyl chloride aggregate particles. This provides polyvinyl chloride aggregate particles capable of imparting high transparency and retort resistance to a coating film of a metal can, and/or capable of imparting high transparency and water resistance to a marking film.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: September 5, 2023
    Assignee: KANEKA CORPORATION
    Inventors: Yoshitaka Nishiyama, Fumihiro Mitamura
  • Patent number: 11746315
    Abstract: [PROBLEM] It is an object to provide a biological tissue fabrication information generating device that generates biological tissue fabrication information for fabrication of tissue imitative of the structure of the biological tissue of a patient, a biological tissue fabrication system that fabricates biological tissue based on biological tissue fabrication information, and a medical expense calculation system that calculates the medical expense of a patient receiving therapeutic graft of biological tissue.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: September 5, 2023
    Assignee: KANEKA CORPORATION
    Inventors: Hirokazu Akiyama, Masaki Ichimura, Hirotoshi Matsuta
  • Publication number: 20230273606
    Abstract: A manufacturing step management system includes: a support member configured to come into contact with a workpiece that moves in a state in which tension is applied and to support the workpiece; an acquirer configured to acquire information about variance of a mechanical change on the basis of the mechanical change in the support member; and an estimator configured to estimate the tension applied to the workpiece.
    Type: Application
    Filed: June 1, 2021
    Publication date: August 31, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Shota TAKAMUKU, Masaki FUKUDA
  • Publication number: 20230270194
    Abstract: The present invention relates to a flame-retardant fabric that includes modacrylic fibers, one or more of regenerated cellulose fibers selected from the group consisting of flame-retardant rayon fibers and lyocell fibers, and polyimide fibers. The flame-retardant fabric includes the modacrylic fibers in an amount of 26 to 79 wt%, the regenerated cellulose fibers in an amount of 18 to 48 wt%, and the polyimide fibers in an amount of 3 to 26 wt%. The polyimide fibers have a fiber length of 45 to 127 mm. The char length measured by a flammability test based on GB/T 5455-1997 is 50 mm or less. The present invention also relates to protective clothing made of the flame-retardant fabric. Thus, the present invention provides a flame-retardant fabric whose char length is short in a flammability test and that has favorable flame retardancy, and protective clothing made of the flame-retardant fabric.
    Type: Application
    Filed: September 28, 2020
    Publication date: August 31, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Shigeki OHNO, Tatsuro OHZEKI
  • Publication number: 20230265252
    Abstract: A non-thermoplastic polyimide film contains non-thermoplastic polyimide. The non-thermoplastic polyimide has a 3,3?,4,4?-biphenyltetracarboxylic dianhydride residue, a 4,4?-oxydiphthalic anhydride residue, a p-phenylenediamine residue and a 1,3-bis(4-aminophenoxy)benzene residue. Where the content ratio of the 3,3?,4,4?-biphenyltetracarboxylic dianhydride residue is A1 mol %, the content ratio of the 4,4?-oxydiphthalic anhydride residue is A2 mol %, the content ratio of the p-phenylenediamine residue is B1 mol %, and the content ratio of the 1,3-bis(4-aminophenoxy)benzene residue is B2 mol %, the relationships of A1+A2?80, B1+B2?80 and (A1+B1)/(A2+B2)?3.50 are satisfied.
    Type: Application
    Filed: April 21, 2023
    Publication date: August 24, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Takahiro Sato, Seiji Hosogai, Mari Uno, Keisuke Oguma
  • Publication number: 20230265277
    Abstract: In one or more embodiments, the present invention relates to a resin composition containing at least a polymer (A) and a polymer (B), in which the polymer (A) is a polymer that includes one or more monomers selected from the group consisting of acrylonitrile, vinyl halides, and vinylidene halides, the polymer (B) is a polymer that is soluble in benzyl alcohol, and the resin composition contains the polymer (A) in an amount of 70 parts by mass or more and 92.5 parts by mass or less, and the polymer (B) in an amount of 7.5 parts by mass or more and 30 parts by mass or less, where a total amount of the polymer (A) and the polymer (B) is 100 parts by mass. Provided are synthetic fibers that are easily dyeable with an acidic dye without requiring use of a special facility or heating to high temperatures.
    Type: Application
    Filed: June 8, 2021
    Publication date: August 24, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Sho SAKATA, Tomomichi HASHIMOTO
  • Publication number: 20230265468
    Abstract: In culturing a poly(3-hydroxyalkanoate)-producing microorganism, an oil A and an oil B are used as the carbon source. The proportion of the oil B to the total amount of the oils A and B used during the entire course of the culturing is 10 wt% or more. The oil A is the total oil used until the amount of the poly(3-hydroxyalkanoate) accumulated in the poly(3-hydroxyalkanoate)-producing microorganism reaches 16 wt%, and the average unsaturated fatty acid content in constituent fatty acids is from 25 wt% to less than 75 wt% in the total oil A. The unsaturated fatty acid content in constituent fatty acids in the oil B is higher than the average unsaturated fatty acid content in the total oil A.
    Type: Application
    Filed: April 12, 2023
    Publication date: August 24, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Ken Harada, Shunsuke Sato