Patents Assigned to Daiso Co., Ltd.
  • Patent number: 9608273
    Abstract: The purpose of the present invention is to provide: an aqueous binder having high adhesiveness, that in particular does not exhibit oxidative degradation in an electrode environment, and having little environmental load; and an electrode and a battery that use same. Disclosed is a battery electrode binder containing: (A) a constituent unit derived from a monomer having a hydroxyl group; and (B) a constituent unit derived from a polyfunctional (meth)acrylate having no more than 5 functions. An electrode is prepared using this binder and is used in a battery such as a lithium-ion secondary battery.
    Type: Grant
    Filed: May 28, 2013
    Date of Patent: March 28, 2017
    Assignee: DAISO CO., LTD.
    Inventors: Takashi Matsuo, Tomoyuki Yano, Yasushi Miki, Katsuhito Miura
  • Publication number: 20160053028
    Abstract: Provided are a composition for enhanced production of a useful substance in cells containing a polysaccharide, a medium for cell culture containing a polysaccharide, and a process for preparing a useful substance including culturing cells in a medium for cell culture containing a polysaccharide.
    Type: Application
    Filed: March 27, 2014
    Publication date: February 25, 2016
    Applicant: DAISO CO., LTD.
    Inventors: Masahide KIDO, Keiko MATONO, Hideaki IDOGAKI
  • Publication number: 20150372305
    Abstract: This binder for battery electrodes is characterized by containing a polymer including: (A) a structural unit represented by general formula (1) and derived from a monomer having a hydroxyl group (in the formula, R1 is a hydrogen or a C1-C4 straight-chain or branched alkyl group, R2 and R3 are each a hydrogen or a C1-C4 straight-chained or branched alkyl group, and n is an integer of 2-30); (B) a structural unit derived from an ethylenically unsaturated monomer having at least one functional group selected from the group consisting of a difunctional carboxylic acid group, a nitrile group and a ketone group; and (C) a structural unit derived from a polyfunctional (meth)acrylate monomer having at most five functional groups.
    Type: Application
    Filed: January 24, 2014
    Publication date: December 24, 2015
    Applicant: DAISO CO., LTD.
    Inventors: Takashi MATSUO, Tomoyuki YANO, Yasushi MIKI, Katsuhito MIURA
  • Publication number: 20150299876
    Abstract: It is an object of the present invention to provide an anode for a zero-gap brine electrolyzer which through employment of a highly roughened surface at a catalyst layer at an anode for a zero-gap brine electrolyzer makes it possible to achieve sufficient liquid permeability and further reduction in electrolyzing voltage and a brine electrolysis method employing same . The present invention relates to an anode for a zero-gap brine electrolyzer equipped with a liquid-permeable conductive substrate 21, and with a catalyst layer 22 which is provided on the conductive substrate 21 and which is such that the maximum difference in height of surface irregularities is 55 ?m to 70 ?m; a zero-gap brine electrolyzer equipped with the anode 20, a cathode 30, and an ion-exchange membrane I disposed between and in contact with the anode 20 and the cathode 30; and a brine electrolysis method employing same.
    Type: Application
    Filed: October 25, 2013
    Publication date: October 22, 2015
    Applicant: DAISO CO., LTD.
    Inventors: Kanefusa Hara, Satoshi Hatano
  • Patent number: 9051464
    Abstract: A flame-retardant rubber composition for vulcanization, comprising an epichlorohydrin based rubber (A), red phosphorus (B), and a vulcanizing agent (C), in which the content of the red phosphorus (B) is from 3 to 20 parts by weight for 100 parts by weight of the epichlorohydrin based rubber (A).
    Type: Grant
    Filed: March 2, 2011
    Date of Patent: June 9, 2015
    Assignee: DAISO CO., LTD.
    Inventors: Koshiro Hamaguchi, Toyofumi Otaka, Taro Ozaki, Akiko Mishima
  • Publication number: 20150152195
    Abstract: An object of the present invention is to provide a carrier on which Protein A has been immobilized, the Protein A having a specific amino acid sequence that permits the desorption of antibodies under mild pH conditions (specifically, pH4.0 to 5.5) in which many antibodies do not undergo acid modification; and a manufacturing method for the carrier.
    Type: Application
    Filed: June 11, 2013
    Publication date: June 4, 2015
    Applicant: DAISO CO., LTD.
    Inventors: Masahiro Iwakura, Kiyonori Hirota, Seiji Otaka
  • Publication number: 20150137030
    Abstract: The purpose of the present invention is to provide: an aqueous binder having high adhesiveness, that in particular does not exhibit oxidative degradation in an electrode environment, and having little environmental load; and an electrode and a battery that use same. Disclosed is a battery electrode binder containing: (A) a constituent unit derived from a monomer having a hydroxyl group; and (B) a constituent unit derived from a polyfunctional (meth)acrylate having no more than 5 functions. An electrode is prepared using this binder and is used in a battery such as a lithium-ion secondary battery.
    Type: Application
    Filed: May 28, 2013
    Publication date: May 21, 2015
    Applicant: Daiso Co., Ltd.
    Inventors: Takashi Matsuo, Tomoyuki Yano, Yasushi Miki, Katsuhito Miura
  • Patent number: 8920894
    Abstract: Disclosed is a vulcanized rubber laminate, wherein a thermoplastic resin layer and an unvulcanized epichlorohydrin rubber composition layer containing a specific maleimide compound, vulcanizing agent, and acid acceptor are heated and bonded. Specifically disclosed is a laminate configured by heating and bonding an unvulcanized epichlorohydrin rubber composition layer (A) and a thermoplastic resin (B), wherein the unvulcanized epichlorohydrin rubber composition contains: an epichlorohydrin rubber (a), a compound containing one or more maleimide group within the molecule (b), a vulcanizing agent (c), and an acid acceptor (d).
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: December 30, 2014
    Assignee: Daiso Co., Ltd.
    Inventors: Toyofumi Otaka, Koushiro Hamaguchi, Yoritaka Yasuda, Taro Ozaki
  • Patent number: 8907080
    Abstract: Provided is a complex comprising a hydrophobic cluster compound and a ?-1,3-1,6-D-glucan having a degree of branching (a ratio of ?-1,6 linkages to ?-1,3 linkages) of 50 to 100%.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: December 9, 2014
    Assignees: Daiso Co., Ltd., Osaka City University, Osaka Prefecture University Public Corporation, Kyoto Prefectural Public University Corporation, National University Corporation Nara Institute of Science and Technology
    Inventors: Toshio Suzuki, Hideaki Ueda, Takeshi Nagasaki, Mitsunori Kirihata, Munenori Numata, Atsushi Ikeda
  • Patent number: 8871118
    Abstract: The present invention provides a rubber composition, which realizes low hardness and low compression set while maintaining semi-conductivity, and a vulcanizate thereof. Also the rubber composition can be obtained by blending an epichlorohydrin-based rubber having satisfactory semi-conductivity and an acrylonitrile-butadiene-based rubber as a reactive plasticizer, and also blending zinc oxide, a thiuram-based compound and a quinoxaline-based compound.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: October 28, 2014
    Assignee: Daiso Co., Ltd.
    Inventors: Yoritaka Yasuda, Toyofumi Otaka, Tadahiro Ono, Koushiro Hamaguchi
  • Publication number: 20140316021
    Abstract: A composition for sportswear, includes a rubber component (a) which contains an epihalohydrin rubber, a vulcanizing agent (b) in an amount of 0.1 to 10 parts by weight for 100 parts by weight of the rubber component (a), and a foaming agent (c) in an amount of 0.5 to 20 parts by weight therefor. The composition for sportswear is preferably includes a colorant (d).
    Type: Application
    Filed: February 6, 2012
    Publication date: October 23, 2014
    Applicant: DAISO CO., LTD.
    Inventors: Taro Ozaki, Toshiyuki Funayama, Toyofumi Otaka, Koshiro Hamaguchi, Motoki Kitagawa, Tadahiro Ono
  • Patent number: 8835566
    Abstract: The present invention provides a vulcanized rubber material having improved heat resistance while maintaining ozone resistance of an epihalohydrin rubber, and a rubber composition for vulcanization for producing the same. The invention further provides a vulcanized rubber material and a rubber composition for vulcanization, that can achieve the above objects without using an organonickel compound having a concern about toxicity, or if used, using the same as less as possible. The present invention relates to a rubber composition for vulcanization comprising (a) 100 parts by weight of an epihalohydrin rubber, (b) 0.01 to 0.5 part by weight of a copper salt of dithiocarbamic acid, (c) an acid acceptor, and (d) a polythiol type vulcanizing agent or a polyol type vulcanizing agent, a vulcanized rubber material obtained by vulcanizing the composition, and an automotive rubber part comprising the vulcanized rubber material.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: September 16, 2014
    Assignee: Daiso Co., Ltd.
    Inventors: Shigeru Shoji, Toyofumi Otaka, Toshiyuki Funayama, Yasushi Hamura
  • Patent number: 8735503
    Abstract: A composition for a semiconductive rubber, comprising an epichlorohydrin-based rubber (a), an ethylene oxide-modified (meth)acrylate (b), and at least one kind of a crosslinking agent (c) selected from the group consisting of a sulfur-based crosslinking agent, a quinoxaline-based crosslinking agent and a triazine-based crosslinking agent.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: May 27, 2014
    Assignee: Daiso Co., Ltd.
    Inventors: Kohji Ohnuki, Yoritaka Yasuda, Taro Ozaki
  • Publication number: 20140113007
    Abstract: Provided is a chlorine dioxide-generating product comprising an inorganic porous carrier carrying a chlorite and an alkali agent. In the product, the alkali agent is carried in an amount of more than 0.7 molar equivalent and not more than 2 molar equivalents relative to the amount of the chlorite carried, and the product has a water content of 10% by weight or less. The chlorine dioxide-generating product can stably generate chlorine dioxide gas in an amount that sufficiently achieves deodorization, sterilization, virus removal, mold prevention, antisepsis, or the like of spatial environments, foods, or others but exerts no harmful effect on humans, over a long period of time.
    Type: Application
    Filed: May 30, 2012
    Publication date: April 24, 2014
    Applicant: DAISO CO., LTD.
    Inventors: Ryo Kato, Kanefusa Hara, Masanori Yanagida
  • Patent number: 8648190
    Abstract: The invention relates to a production method of a 2-hydroxymethylmorpholine salt, which includes crystallization from a solution containing 2-hydroxymethylmorpholine of formula (1) 1,4-oxazepane compound of formula (2) and an acid.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: February 11, 2014
    Assignee: Daiso Co., Ltd.
    Inventors: Yoshifumi Nagano, Keisuke Yaegashi, Shingo Iwashina
  • Publication number: 20130236670
    Abstract: A composition for vulcanizing adhesion, comprises a rubber (a), at least one compound (b) selected from the group consisting of salts of 1,8-diazabicyclo(5.4.0) undecene-7, salts of 1,5-diazabicyclo(4.3.0)-nonene-5, 1,8-diazabicyclo(5.4.0) undecene-7, and 1,5-diazabicyclo(4.3.0)-nonene-5, and at least one water-carrying substance (c) selected from water-absorbed substances and hydrated substances.
    Type: Application
    Filed: November 10, 2011
    Publication date: September 12, 2013
    Applicant: DAISO CO., LTD.
    Inventors: Koshiro Hamaguchi, Motoki Kitagawa, Toyofumi Otaka, Taro Ozaki, Yoritaka Yasuda
  • Patent number: 8530587
    Abstract: Disclosed is a vulcanizable rubber composition for use in an air spring, which has excellent low-temperature behavior, and a vulcanized rubber formed product for air springs, which is obtained by vulcanization of the rubber composition. Also disclosed is a vulcanizable rubber composition for use in an air spring, comprising: an epihalohydrin-based copolymer comprising 50 to 70 mol % of a constituent unit derived from ethylene oxide and/or propylene oxide, 20 to 50 mol % of a constituent unit derived from epihalohydrin, and 0 to 15 mol % of a constituent unit derived from allyl glycidyl ether; a vulcanizing agent; a plasticizer; and an acid acceptor, and a rubber formed product for air springs, which is obtained by vulcanization of the composition.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: September 10, 2013
    Assignee: Daiso Co., Ltd
    Inventors: Yasuo Matoba, Tadahiro Ono, Motoki Kitagawa
  • Publication number: 20130230675
    Abstract: A laminated body comprises a rubber layer (A) and a fluororesin layer (B) laminated over the rubber layer (A) The rubber layer (A) is a layer comprising a rubber composition for vulcanization. The rubber composition for vulcanization comprises an epichlorohydrin rubber (a1), at least one compound (a2) selected from the group consisting of salts of 1,8-diazabicyclo(5.4.0)undecene-7, salts of 1,5-diazabicyclo(4.3.0)-nonene-5, 1,8-diazabicyclo(5.4.0) undecene-7, and 1,5-diazabicyclo(4.3.0)-nonene-5, an epoxy resin (a3), and at least one water-carrying substance (a4) selected from water-absorbed substances and hydrated substances. The fluororesin layer (B) is a layer comprising a fluorine-contained polymer composition and the fluorine-contained polymer composition comprises a fluorine-contained polymer (b1) having a copolymerization unit originating from chlorotrifluoroethylene.
    Type: Application
    Filed: November 10, 2011
    Publication date: September 5, 2013
    Applicants: DAISO CO., LTD., DAIKIN INDUSTRIES, LTD.
    Inventors: Toshiaki Masui, Takeshi Inaba, Yuuki Kuwajima, Koshiro Hamaguchi, Motoki Kitagawa
  • Patent number: 8492000
    Abstract: Disclosed is a vulcanized rubber laminate in which both an unvulcanized epichlorohydrin-based rubber composition layer containing a specific polyfunctional (meth)acrylate compound and a specific vulcanizing agent and an unvulcanized fluororubber composition layer containing a specific vulcanizing agent are heated and bonded, whereby, both rubber layers are firmly bonded.
    Type: Grant
    Filed: January 28, 2009
    Date of Patent: July 23, 2013
    Assignee: Daiso Co., Ltd.
    Inventors: Toshiyuki Funayama, Shigeru Shoji, Toyofumi Otaka
  • Publication number: 20120322916
    Abstract: A flame-retardant rubber composition for vulcanization, comprising an epichlorohydrin based rubber (A), red phosphorus (B), and a vulcanizing agent (C), in which the content of the red phosphorus (B) is from 3 to 20 parts by weight for 100 parts by weight of the epichlorohydrin based rubber (A).
    Type: Application
    Filed: March 2, 2011
    Publication date: December 20, 2012
    Applicant: DAISO CO., LTD.
    Inventors: Koshiro Hamaguchi, Toyofumi Otaka, Taro Ozaki, Akiko Mishima