Patents Assigned to Kaneka Corporation
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Publication number: 20230332356Abstract: A laminated article includes a base layer and a coating layer disposed over at least one side of the base layer. The coating layer contains a poly(3-hydroxybutyrate) resin. In a crystalline melting curve obtained by differential scanning calorimetry of the coating layer, the coating layer has at least one peak top temperature (Tma) in the range of 100 to 150° C. and at least one peak top temperature (Tmb) in the range of 150 to 170° C., and the difference between the temperatures Tma and Tmb is 10° C. or more.Type: ApplicationFiled: September 9, 2021Publication date: October 19, 2023Applicant: KANEKA CORPORATIONInventors: Asuka FUKUTOME, Yasunori OKADA, Tetsuo OKURA, Kensuke MURASHIMA
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Publication number: 20230331982Abstract: A resin composition contains polymer particles (A) and a matrix resin (B) such that the polymer particles (A) have a graft part having a glass transition temperature of ?25° C. to 18° C. The resin composition has excellent handleability.Type: ApplicationFiled: June 23, 2023Publication date: October 19, 2023Applicant: KANEKA CORPORATIONInventors: Nobuyoshi Maizuru, Toshihiko Okamoto
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Publication number: 20230323114Abstract: The present invention has an object to provide (i) an aliphatic polyester-based resin composition that is biodegradable and has excellent shock resistance. The object is attained by providing an aliphatic polyester-based resin composition containing (A) poly(3-hydroxyalkanoate) and (B) a compatibilized biodegradable resin containing a reaction product of (i) the poly(3-hydroxyalkanoate), (ii) a biodegradable resin other than the poly(3-hydroxyalkanoate) and having a glass transition temperature of not more than ?10° C., and (iii) a peroxide, the (B) having a dispersed particle diameter of 0.1 ?m to 1.5 ?m.Type: ApplicationFiled: July 6, 2021Publication date: October 12, 2023Applicant: KANEKA CORPORATIONInventor: Tomoaki HASHIGUCHI
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Publication number: 20230322994Abstract: A graft copolymer contains crosslinked (meth)acrylic polymer particles (a) having an average particle size of 150 nm or less and a glass transition temperature of ?10° C. or lower and a non-crosslinked methacrylic polymer component (b) having a weight-average molecular weight of 25×104 or more. At least a part of the non-crosslinked polymer component (b) is grafted to the crosslinked polymer particles (a). The crosslinked polymer particles (a) account for 1 to less than 50 wt % of the total weight of the crosslinked polymer particles (a) and the non-crosslinked polymer component (b).Type: ApplicationFiled: June 16, 2023Publication date: October 12, 2023Applicant: KANEKA CORPORATIONInventors: Fuminobu Kitayama, Takuya Kamimura
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Publication number: 20230322439Abstract: A packing method makes it possible to achieve, at a low cost, both reduction of a rise in temperature of a black-based foamed product and stacking stability. The packing method for a package includes the steps of setting, on a black-based foamed product that is stacked in one or more layers on a pallet, a cover board such that the cover board covers a main surface of an uppermost layer of the black-based foamed product, and covering, with a black-based stretch film, an outer periphery corresponding to side surfaces of the black-based foamed product.Type: ApplicationFiled: June 9, 2023Publication date: October 12, 2023Applicant: KANEKA CORPORATIONInventors: Taro Nakamura, Mikiyoshi Nakamichi
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Patent number: 11781047Abstract: A method of adhesion provides excellent workability by using a curable resin composition whose viscosity has low temperature dependence. The method of adhesion includes a step of heating a curable resin composition and applying a curable resin composition, a step of spreading the curable resin composition, and a step of curing the curable resin composition. The curable resin composition contains specific amounts of an epoxy resin, fine polymer particles that have a core-shell structure including a core layer and a shell layer, and blocked urethane having a latent NCO % of 0.1% to 2.9%.Type: GrantFiled: June 3, 2022Date of Patent: October 10, 2023Assignee: KANEKA CORPORATIONInventor: Toshihiko Okamoto
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Publication number: 20230312916Abstract: 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: ApplicationFiled: September 6, 2021Publication date: October 5, 2023Applicant: KANEKA CORPORATIONInventor: Tomoaki HASHIGUCHI
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Publication number: 20230312905Abstract: 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: ApplicationFiled: June 9, 2023Publication date: October 5, 2023Applicant: KANEKA CORPORATIONInventors: Fuminobu Kitayama, Takuya Kamimura, Hirotsugu Yamada
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Publication number: 20230302258Abstract: 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: ApplicationFiled: May 27, 2021Publication date: September 28, 2023Applicant: KANEKA CORPORATIONInventor: Toshiya KISA
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Publication number: 20230303828Abstract: 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: ApplicationFiled: August 12, 2021Publication date: September 28, 2023Applicant: KANEKA CORPORATIONInventors: Wei MIAO, Takeshi SUGIYAMA
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Publication number: 20230304061Abstract: 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: ApplicationFiled: April 23, 2021Publication date: September 28, 2023Applicant: KANEKA CORPORATIONInventors: Shingo KOBAYASHI, Nobuhiko DOJUN, Misato MATSUI, Naoaki TAOKA
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Publication number: 20230294902Abstract: 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: ApplicationFiled: May 26, 2023Publication date: September 21, 2023Applicants: KANEKA CORPORATION, TAMAIKASEI CO., LTD.Inventors: Risa Narahara, Masatada Sakai, Yuka Sekiya
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Publication number: 20230295358Abstract: 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: ApplicationFiled: May 26, 2023Publication date: September 21, 2023Applicant: KANEKA CORPORATIONInventors: Tomoki Hiiro, Riru Nishikawa, Keita Hirai, Keisuke Hatano
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Publication number: 20230295416Abstract: 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: ApplicationFiled: May 26, 2023Publication date: September 21, 2023Applicant: KANEKA CORPORATIONInventor: Toshihiko Okamoto
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Publication number: 20230295362Abstract: 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: ApplicationFiled: May 26, 2023Publication date: September 21, 2023Applicant: KANEKA CORPORATIONInventors: Tomoki Hiiro, Riru Nishikawa, Keita Hirai, Keisuke Hatano
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Patent number: 11760855Abstract: 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: GrantFiled: September 17, 2020Date of Patent: September 19, 2023Assignee: KANEKA CORPORATIONInventors: Haruki Koyama, Hanako Hasebe, Katsumi Yamaguchi, Yukihiro Shimamoto
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Publication number: 20230287349Abstract: 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: ApplicationFiled: July 13, 2021Publication date: September 14, 2023Applicant: KANEKA CORPORATIONInventor: Yoshikazu KAWAI
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Publication number: 20230276870Abstract: 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: ApplicationFiled: May 26, 2021Publication date: September 7, 2023Applicant: KANEKA CORPORATIONInventor: Wataru KAWAUCHI
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Patent number: 11750144Abstract: 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: GrantFiled: October 28, 2019Date of Patent: September 5, 2023Assignee: KANEKA CORPORATIONInventor: Toru Sawada
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Patent number: 11746249Abstract: 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: GrantFiled: February 12, 2019Date of Patent: September 5, 2023Assignee: KANEKA CORPORATIONInventors: Yoshitaka Nishiyama, Fumihiro Mitamura