Patents Assigned to Kaneka Corporation
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Publication number: 20240132743Abstract: Provided is a curable composition that, while reducing a used amount of (meth)acrylic acid ester monomers having a large number of carbon atoms, yields a cured product which has both good transparency and good elongation. The curable composition contains (A) a silyl group-containing (meth)acrylic-based polymer, (B) a silyl group-containing polyoxyalkylene-based polymer having a number average molecular weight of 20,000 or more, and (C) an aromatic ring-containing plasticizer. Units derived from CH2?C(R1)(COOR2), where R1 is a hydrogen atom or a methyl group, and R2 is a group having nine or more carbon atoms, account for 5% by weight or less of all structural units of (A). The curable composition contains 60 parts by weight or more of (C) with respect to 100 total parts by weight of (A) and (B), and a cured product has a haze of 55 or less, the haze being obtained through a curing test.Type: ApplicationFiled: December 28, 2023Publication date: April 25, 2024Applicant: KANEKA CORPORATIONInventors: Ayako Yano, Masaomi Sakabe
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Publication number: 20240130781Abstract: A puncturing device comprising: a resin tube having a distal end and a proximal end, and extending in a longitudinal direction; a metal tube disposed in a lumen of the resin tube; a metal member disposed at a distal end portion of the metal tube; and a metal tip disposed at a distal end portion of the metal member, wherein a flow path is present between an inner surface of the resin tube and an outer surface of the metal member and is in communication with a lumen of the metal tube, the resin tube further includes an opening portion through which the flow path and outside of the resin tube are in communication with each other, and the opening portion is present on a distal side relative to a distal end of the metal tube and on a proximal side relative to the proximal end of the metal tip.Type: ApplicationFiled: February 1, 2022Publication date: April 25, 2024Applicant: KANEKA CORPORATIONInventors: Yuki MUKAI, Miho KOBAYASHI
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Publication number: 20240131556Abstract: A coating device as a device for coating a long member (40) for medical use, the coating device comprising: a support part (2) capable of supporting the long member (40); and a discharge port (15) which is provided in the support part (2) or disposed at a higher location than the support part (2) and from which liquid to be applied to the long member (40) is discharged.Type: ApplicationFiled: February 18, 2022Publication date: April 25, 2024Applicant: KANEKA CORPORATIONInventors: Kazuo IWAKI, Tatsuyuki MAEDA
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Patent number: 11965857Abstract: A vibrator that is capable of vibrating without using an electrode and has good detection sensitivity is provided. A carbon-based material vibrator for vibration by light irradiation has a biological substance or a substance capable of identifying a biological substance immobilized on the vibrator. The vibrator may not include a counter electrode for applying a voltage to the vibrator. The carbon-based material may be graphite. A thermal conductivity ?1 in a plane direction of the carbon-based material is 100 times or more than a thermal conductivity ?2 in a thickness direction of the carbon-based material.Type: GrantFiled: April 5, 2021Date of Patent: April 23, 2024Assignees: KANEKA CORPORATION, OSAKA UNIVERSITYInventors: Kensuke Murashima, Mutsuaki Murakami, Hirotsugu Ogi, Koichi Kusakabe
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Patent number: 11963719Abstract: A light irradiating medical device 1 includes a catheter shaft 2 extending in a longitudinal direction; a balloon 5 disposed at a distal portion of the catheter shaft 2; a light guiding tool 10 disposed in a lumen of the catheter shaft 2 and movable in the longitudinal direction, the light guiding tool 10 including an optical fiber 11 extending in the longitudinal direction and a tubular member 15 covering the optical fiber 11 and having light transparency, the optical fiber 11 including a core 12, a cladding 13 and a cladding absent portion 14 disposed at a part of a distal portion of the core 12; a first radiopaque marker 21 disposed at the distal portion of the catheter shaft 2; and a second radiopaque marker 22 disposed at the tubular member 15 at a position distal to a distal end 12a of the core 12.Type: GrantFiled: August 30, 2019Date of Patent: April 23, 2024Assignee: KANEKA CORPORATIONInventors: Hironori Takata, Kohei Fukaya
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Publication number: 20240117298Abstract: One or more embodiments of the present invention provide a microbial strain with improved productivity of ?-glutamylcysteine, bis-?-glutamylcystine, ?-glutamylcystine, reduced glutathione, and/or oxidized glutathione. Such microbial strain has disruption of [1] a gene encoding ?-glutamyltransferase and [2] a gene encoding phosphoglycerate mutase and enhanced expression of [3] a gene encoding glutamate-cysteine ligase and/or a gene encoding glutathione synthetase or [4] a gene encoding bifunctional glutathione synthetase. This invention also discloses a method for producing the substances mentioned above via culture of the microbial strain.Type: ApplicationFiled: December 16, 2021Publication date: April 11, 2024Applicant: KANEKA CORPORATIONInventors: Shingo KOBAYASHI, Naoaki TAOKA, Yoshihiro TOYA, Hiroshi SHIMIZU, Ryutaro KAWAI
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Publication number: 20240108091Abstract: One or more embodiments of the present disclosure relate to a core-sheath conjugate fiber for artificial hair including a core and a sheath. The core is composed of a polyester-based resin composition containing a polyester-based resin as a main component, and the sheath is composed of a polyamide-based resin composition containing a polyamide-based resin as a main component. The sheath contains at least one organic pigment selected from the group consisting of (a) a nickel complex pigment in which nickel and an organic dye structure are in a coordinate bond at a ratio of 1:1 or 1:2, (b) a chromium complex pigment in which chromium and an organic dye structure are in a coordinate bond at a ratio of 1:1 or 1:2, and (c) an organic pigment that contains no metal and contains a nitro group. The core contains a pigment that is different from that of the sheath.Type: ApplicationFiled: October 15, 2021Publication date: April 4, 2024Applicant: KANEKA CORPORATIONInventor: Takashi OGINO
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Patent number: 11946149Abstract: Apparatus for producing alkali hydroxide and method for operating apparatus for producing alkali hydroxide are provided. A cooling chamber through which a coolant can pass is constructed by placing a separation wall in a cathode chamber on a side opposite to an ion-exchange membrane, and a flow rate adjuster, such as manual valves, which can adjust the supply flow rate of the coolant is placed in each unit cell. The electrolytic temperature of each unit cell is regulated at an optimum operating temperature depending on the current density by adjusting the flow rate of the coolant without individually adjusting the flow rate of salt water supplied to the unit cell or the concentration of the salt water.Type: GrantFiled: November 7, 2021Date of Patent: April 2, 2024Assignees: TOAGOSEI CO., LTD., KANEKA CORPORATIONInventors: Tsutomu Ohnishi, Tsugiyoshi Osakabe, Tatsurou Yamashita, Takuya Shimura, Mikihito Sugiyama, Yukinori Iguchi
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Publication number: 20240102206Abstract: The present disclosure relates to a flame-retardant fabric that includes a modacrylic fiber and a cellulose fiber. The cellulose fiber is one or more selected from a regenerated cellulose fiber and a natural cellulose fiber. The flame-retardant fabric contains the modacrylic fiber in an amount of 65 to 90 wt % and the cellulose fiber in an amount of 10 to 35 wt % with respect to the overall weight of the fabric. The modacrylic fiber contains a magnesium compound inside the fiber. The flame-retardant fabric contains the magnesium compound in an amount of 2.5 to 4.5 wt %. Afterflame time and afterglow time of the flame-retardant fabric measured using a flammability test based on ISO 15025: 2000 are 2 seconds or less and 2 seconds or less, respectively.Type: ApplicationFiled: November 22, 2023Publication date: March 28, 2024Applicant: KANEKA CORPORATIONInventors: Motohiro Sato, Akira Ozaki, Wataru Mio
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Publication number: 20240101878Abstract: It is an object of the present invention to achieve an adhesive composition which enables provision of a cured product having excellent mechanical properties. In order to attain the foregoing object, an adhesive composition in accordance with an embodiment of the present invention contains: a polyoxypropylene-based polymer (A) which has, the terminal thereof, not less than 0.6 (meth)acryloyl groups on average and which has a number average molecular weight of not less than 5,000; a methacrylate compound (B) having a glass transition temperature of higher than 60° C. in a state of a homopolymer; an organic peroxide (C); and a reducing agent (D).Type: ApplicationFiled: January 21, 2022Publication date: March 28, 2024Applicants: KANEKA CORPORATION, KANEKA CORPORATIONInventor: Hidenori Tanaka
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Patent number: 11931716Abstract: A reaction apparatus comprising at least one tubular reaction unit (23), a container (41) configured to accommodate the tubular reaction unit (23) and a temperature control medium (51) used in heat exchange with the tubular reaction unit (23), and a nozzle (31) configured to eject the temperature control medium (51) toward the tubular reaction unit (23) in the container. The reaction apparatus further comprising a movable part (34) configured to adjust an ejection direction of the nozzle (31) is preferred. The reaction apparatus allows for effectively performing the temperature control even when the tubular reaction unit is immersed in a temperature control medium.Type: GrantFiled: January 28, 2020Date of Patent: March 19, 2024Assignee: KANEKA CORPORATIONInventors: Shiori Ozasa, Takahiro Ohishi, Kosuke Tanaka
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Publication number: 20240084339Abstract: An object of the present invention is to provide a culture device capable of accurately detecting the gas-liquid interface of a culture solution in a fermenter. The above problem is solved by provided a culture device that includes: a liquid surface sensor for detecting a foam layer height from the bottom of the fermenter to the top of a foam layer; and a pressure sensor for detecting a liquid surface height from the bottom of the fermenter to a gas-liquid interface, the culture device having installed at least two pressure sensors below the gas-liquid interface, the at least two pressure sensors each being the pressure sensor.Type: ApplicationFiled: January 20, 2022Publication date: March 14, 2024Applicant: KANEKA CORPORATIONInventors: Takafumi IGARI, Takahisa KATO, Masaru HIRANO
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Patent number: 11925767Abstract: To provide a catheter having electrodes to be subjected to application of voltages different from each other in polarity. An outer tube member (3) having a lumen (2); a handle provided on a proximal side of the outer tube member (3); a plurality of electrodes (5) provided on the outer tube member (3); conducting wires (6) connected to one or more of the electrodes (5) and disposed in the lumen (2), the conducting wires (6); and an operating wire (7) having a distal end portion fixed to a distal end portion of the outer tube member (3), wherein one of the electrodes (5a) is connected to a conducting wire (6a) at a connection point, which is different from a connecting point, where another electrode (5b) is connected to another conducting wire (6b), in a circumferential direction of the outer tube member (3).Type: GrantFiled: February 5, 2019Date of Patent: March 12, 2024Assignee: KANEKA CORPORATIONInventors: Daichi Kamiyama, Naotake Maekubo
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Publication number: 20240075258Abstract: Provided is a balloon for a balloon catheter that can suppress circumferential fracture by generating longitudinal axial fracture in the central part of the balloon, and prevent the fracture in the longitudinal axis direction from extending to the proximal or distal side of the balloon to form a L-shaped crack by keeping the longitudinal fracture within the straight tubular part. A balloon (2) for a balloon catheter has a main orientation direction of the molecular orientation in a proximal section (23a) and a distal section (23e) of a straight tubular part (23) is the circumferential direction z, and a component of the molecular orientation in the longitudinal axis direction x in the central section (23c) of the straight tubular part (23) is more than a component in the longitudinal axis direction x in the proximal section (23a) and the distal section (23e) of the straight tubular part (23).Type: ApplicationFiled: November 7, 2023Publication date: March 7, 2024Applicant: KANEKA CORPORATIONInventor: Kokoro NAKAMURA
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Publication number: 20240075672Abstract: It is an object of the present invention to provide a novel production method which makes it possible to obtain a molded product containing a P3HB-based resin through an injection blow molding method and a technique for using such a method. The object is achieved by providing a method for producing a molded product containing a P3HB-based resin, the method including the steps of: (A) plasticizing a resin composition containing a P3HB-based resin; (B) subjecting the plasticized resin composition obtained in the step (A) to injection molding to obtain a preform; and (C) subjecting the preform obtained in the step (B) to blow molding to obtain a molded product.Type: ApplicationFiled: December 21, 2021Publication date: March 7, 2024Applicants: KANEKA CORPORATION, SUNTORY HOLDINGS LIMITEDInventors: Hideyuki SUZUKI, Takashi AKIYAMA, Masanori NISHIYAMA, Yoshiaki MATSUOKA, Nobuo NAKAMURA
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Patent number: 11920030Abstract: An object of the present invention is to provide a method for producing PHA capable of providing PHA (for example, a PHA powder) having excellent thermal stability with high productivity. The present invention is a method for producing polyhydroxyalkanoic acid, the method including a step (a) and a step (b) below step (a) of preparing an aqueous suspension liquid containing polyhydroxyalkanoic acid and polyvinyl alcohol and having a pH of 7 or less; and step (b) of spray-drying the aqueous suspension liquid prepared in the step (a).Type: GrantFiled: August 29, 2022Date of Patent: March 5, 2024Assignee: KANEKA CORPORATIONInventor: Asuka Fukumoto
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Publication number: 20240065702Abstract: An embolization device for a bump in a lumen, comprising: an outer tube having a distal end and a proximal end; a basket disposed in a lumen of the outer tube, having a plurality of wires, expandable when coming out of the outer tube, and composed of a mesh-like wall surface on which the plurality of wires intersect; and a basket pusher disposed on a proximal side of the basket, wherein the basket has a first bundling portion at which the plurality of wires are bundled and fixed on a distal side thereof and a second bundling portion at which the plurality of wires are bundled and fixed on the proximal side thereof, the plurality of wires exist inside the second bundling portion, and no passage for inserting a medical long object into the basket exists inside the second bundling portion.Type: ApplicationFiled: December 15, 2021Publication date: February 29, 2024Applicant: KANEKA CORPORATIONInventors: Atsushi OGAWA, Masayuki TAKATERA
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Publication number: 20240072529Abstract: A discharge handling system includes: a power module; a power conversion device; and an arc discharge detection device, the arc discharge detection device including an arc discharge detector configured to detect occurrence of an arc discharge between the power module and the power conversion device, the arc discharge detection device monitoring the number of times of the arc discharge detected by the arc discharge detector and discharge time of the arc discharge every time a monitoring time elapses.Type: ApplicationFiled: November 7, 2023Publication date: February 29, 2024Applicant: KANEKA CORPORATIONInventor: Haruo NISHIYAMA
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Publication number: 20240059886Abstract: A flame retardant article has excellent flame retardancy. The flame retardant article contains a cured resin member that is obtained by curing a thermosetting resin composition containing a thermosetting resin. The cured resin member forms an oxygen insulating carbonized layer when being burned. The cured resin member is present in at least a part of a surface of the expanded member obtained by expanding a thermoplastic resin composition containing a thermoplastic resin. The thermoplastic resin generates a residue when heated to 600° C. at a temperature increase rate of 10° C./minute under a nitrogen atmosphere.Type: ApplicationFiled: October 27, 2023Publication date: February 22, 2024Applicant: KANEKA CORPORATIONInventors: Takuma Yoshida, Yuki Neiwa, Yutaka Nishimoto, Katsuyuki Tanaka
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Patent number: D1021765Type: GrantFiled: September 7, 2021Date of Patent: April 9, 2024Assignee: KANEKA CORPORATIONInventor: Masanori Fukuda