Patents Assigned to Kyoeisha Chemical Co., Ltd.
  • Patent number: 9006484
    Abstract: A polymer having bis(diphenylphosphino)binaphthyl groups that can be used as a catalyst for an addition reaction, especially an asymmetric 1,4-addition reaction, or a reduction reaction, especially an asymmetric reduction reaction, and that can be easily recovered and recycled. The polymer having the bis(diphenylphosphino)binaphthyl groups is one resulting from repetition of a racemic or optically active 2,2?-bis(diphenylphosphino)-1,1?-binaphthyl compound substituted at 5-position thereof with an unsaturated terminal of one (meth)acryloyl group of a compound having multiple (meth)acryloyl groups, that another 2,2?-bis(diphenylphosphino)-1,1?-binaphthyl compound of a next unit is substituted at 5?-position thereof with an unsaturated terminal of another (meth)acryloyl group of the compound having multiple (meth)acryloyl groups so as to have a molecular weight of 1500 to 10000. The reduction catalyst comprises this polymer and a transition metal.
    Type: Grant
    Filed: March 12, 2007
    Date of Patent: April 14, 2015
    Assignee: Kyoeisha Chemical Co., Ltd.
    Inventors: Toyoshi Shimada, Naomi Takenaka, Gakuto Goshima, Hiroyuki Hosoi
  • Publication number: 20140290320
    Abstract: Provided is an innovative belt-shaped lubricating material for dry wiredrawing which not only can be used under severe wiredrawing processing conditions such as those of high temperature/high pressure/high speed as well as conventional powdered or granular lubricants for dry wiredrawing but also can cope with diameter reduction to a wide range of wire diameters ranging from a small diameter to a large diameter and a wide range of linear speeds ranging from a low speed to a high speed, has excellent functionalities such as lubricity, followability, spreadability, adhesiveness, heat resistance, processability, workability, safety, durability and productivity irrespective of a processed shape, is effective in improving work environments and is friendly to the global environment. The belt-shaped lubricating material for dry wiredrawing includes a film containing 10 to 90% by weight of a metal salt of a saturated fatty acid and 10 to 90% by weight of a thermoplastic resin.
    Type: Application
    Filed: July 10, 2012
    Publication date: October 2, 2014
    Applicant: KYOEISHA CHEMICAL CO., LTD.
    Inventors: Kazuki Maeda, Hideki Tezuka, Yoshitsugu Okuyama, Atsuchi Maekawa, Shinichi Yano
  • Publication number: 20140200311
    Abstract: A (meth)allylsilane compound that a functional group of a (meth)allylsilyl group or a halogenosilyl group bonded to the (meth)allylsilyl group via a spacer group is bonded directly or through a divergent spacer group to a dehydrogenated residue of an amino group of an amino group-containing compound; a carbaminic acid ester group or an amide group derived from a dehydrogenated residue of the amino group; an aromatic compound; a polymerizable unsaturated groups; perfluoro group; a dehydrogenated residue of saccharide or a carbohydrate polyol (excluding when the divergent spacer group is an alkylene group, or an alkylene group and an arylene group); a dehydrogenated residue of an amino acid; a halogenosilyl group; or a substituted silyl group in which a halogen of the halogenosilyl group is substituted.
    Type: Application
    Filed: June 28, 2012
    Publication date: July 17, 2014
    Applicant: KYOEISHA CHEMICAL CO., LTD.
    Inventors: Toyoshi Shimada, Yoshinori Takamatsu
  • Publication number: 20140142292
    Abstract: A (meth)allylsilane compound chemically bonded to various alcohol derivatives including polyol derivatives such as saccharides, is raw material used to cause a substrate to express functionalities such as a defogging property and separation characteristics for column chromatography, can be easily prepared, is easily purified, and is stable and easy to handle, and a functional material in which those functionalities are expressed, while silyl group-containing groups are conveniently carried at a high density on the surface of the substrate, by using the (meth)allylsilane compound as a silane coupling agent for silane-coupling to the substrate. The (meth)allylsilane compound includes a (meth)allylsilyl group-containing alkyl group or a (meth)allylsilylalkyl group-containing aralkyl group that is bonded to an alcohol derivative.
    Type: Application
    Filed: June 28, 2012
    Publication date: May 22, 2014
    Applicants: DAICEL CORPORATION, KYOEISHA CHEMICAL CO., LTD.
    Inventor: Toyoshi Shimada
  • Patent number: 8497335
    Abstract: A surface conditioner for a coating agent is provided. The surface conditioner for the coating agent comprises: a copolymer composed of 1 to 40 parts by weight of an acrylate monomer (A) having a siloxy group, 2 to 80 parts by weight of an N-vinyllactam monomer (B), and 10 to 97 parts by weight of an alkyl(meth)acrylate monomer (C) of which an alkyl group has 1 to 12 carbon atoms; and weight average molecular weight of the copolymer is 1000 to 120000. It is another object of the present invention to provide a coating agent to which said surface conditioner is blended.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: July 30, 2013
    Assignee: Kyoeisha Chemical Co., Ltd.
    Inventors: Daisuke Mitomi, Kazuhiro Miyake, Masashi Kinugawa
  • Publication number: 20130102717
    Abstract: Provided is a low-cost orientation modifier that is added to paint containing a brightening pigment to adequately disperse the brightening pigment. The orientation modifier for the brightening pigment is obtained through the esterification of: an ?-olefin/maleic anhydride copolymer formed by the coplymerization of a linear or branched ?-olefin with at least 6 carbons and a maleic anhydride; and a polyethylene glycol monoalkyl ether represented by R1—(OCH2CH2)n—OH (in the formula, R1 is a linear or branched alkyl group with 6-30 carbons, and n is a number from 5 to 60), and having a hydrophilic-lipophilic balance of 9 to 19. The orientation modifier contains an ester compound having an acid value of 15 to 60 mg.KOH/g.
    Type: Application
    Filed: June 1, 2011
    Publication date: April 25, 2013
    Applicant: KYOEISHA CHEMICAL CO., LTD.
    Inventors: Tsukasa Akutagawa, Masahiro Takagi, Daisuke Mitomi, Takanori Matsuyama
  • Publication number: 20130053490
    Abstract: Disclosed is a wax that is added to a thermoplastic resin that undergoes a molding process at high temperatures. The wax does not thermally decompose when that thermoplastic resin composition undergoes the molding process. The wax also prevents mold fouling and provides superior lubricating properties and mold release properties. Also disclosed are a method for producing the wax with superior productivity, a lubricant and mold release agent for thermoplastic resin molding processes. The wax contains a dehydration condensed amide wax component. 99.98-5% by weight of which is an acid, which is formed from 2 mol of a C12-22 saturated aliphatic monocarboxylic acid by molar ratio and “a” mole of a C2-12 polybasic acid by molar ratio (0?“a”?5), and “b” mole of a C2-14 diamine by molar ratio (1?“b”?6), and 0.02-5% by weight of an oxidation inhibitor that has compatibility with this amide wax component.
    Type: Application
    Filed: April 28, 2011
    Publication date: February 28, 2013
    Applicant: KYOEISHA CHEMICAL CO., LTD.
    Inventors: Yoshihiko Yamanishi, Masashi Kinugawa, Takanori Matsuyama, Nobuaki Nakatsuka
  • Patent number: 8383295
    Abstract: A composition for holographic recording medium, which can be coated in a uniform thickness and enables to simply produce a high definition holographic recording medium is provided. And a holographic medium having a low error rate, high storage capacity, high-performance, high-density, which is produced using the composition for the holographic recording medium, is also provided. The composition comprises a (meth)acrylic acid ester group-containing polymerizable substance, an alicyclic epoxy group-containing cationical polymerizable substance of which is ring-opening polymerized by heat, and a hydroxyl group-containing substance which is reactive with the alicyclic epoxy group-containing cationical polymerizable substance. The holographic recording medium is produced by forming a holographic recording layer on a substrate by applying the composition on the base material and polymerizing the alicyclic epoxy group-containing cationical polymerizable substance and the hydroxyl group-containing substance.
    Type: Grant
    Filed: July 23, 2008
    Date of Patent: February 26, 2013
    Assignees: Kyoeisha Chemical Co., Ltd., National University Corporation Toyohashi University of Technology
    Inventors: Junichi Ikeda, Nobuya Morishita, Ryo Arai, Chisato Katahira, Yoshihiro Takatani, Kouzaburo Yokouchi, Mitsuteru Inoue, Pang Boey Lim
  • Publication number: 20120123045
    Abstract: A surface conditioner for a coating agent is provided. The surface conditioner for the coating agent comprises: a copolymer composed of 1 to 40 parts by weight of an acrylate monomer (A) having a siloxy group, 2 to 80 parts by weight of an N-vinyllactam monomer (B), and 10 to 97 parts by weight of an alkyl(meth)acrylate monomer (C) of which an alkyl group has 1 to 12 carbon atoms; and weight average molecular weight of the copolymer is 1000 to 120000. It is another object of the present invention to provide a coating agent to which said surface conditioner is blended.
    Type: Application
    Filed: July 30, 2010
    Publication date: May 17, 2012
    Applicant: KYOEISHA CHEMICAL CO., LTD.
    Inventors: Daisuke Mitomi, Kazuhiro Miyake, Masashi Kinugawa
  • Patent number: 7786242
    Abstract: The ring-containing modified resin is represented by the following chemical formula (1) R1[—(—O—CO—NH—R2—NH—CO—O—R3—)p—O—R4]q??(1) (in the chemical formula (1), R1 is a dehydroxyl residue of a resin having a benzene ring and/or a condensed ring and hydroxyl group: —R2— is deisocyanate group derived from an organic diisocyanate: —R3— is a dehydroxyl residue of polyol having number-average molecular weight of 200 to 30000: p is 1 to 3: —R4 is a hydrogen atom, alkyl group having 1 to 18 carbons, phenyl group: q is the same number as the number of the dehydroxyl residue of R1).
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: August 31, 2010
    Assignee: Kyoeisha Chemical Co., Ltd.
    Inventor: Motoe Hosoda
  • Publication number: 20100128589
    Abstract: A composition for holographic recording medium, which can be coated in a uniform thickness and enables to simply produce a high definition holographic recording medium is provided. And a holographic medium having a low error rate, high storage capacity, high-performance, high-density, which is produced using the composition for the holographic recording medium, is also provided. The composition comprises a (meth)acrylic acid ester group-containing polymerizable substance, an alicyclic epoxy group-containing cationical polymerizable substance of which is ring-opening polymerized by heat, and a hydroxyl group-containing substance which is reactive with the alicyclic epoxy group-containing cationical polymerizable substance. The holographic recording medium is produced by forming a holographic recording layer on a substrate by applying the composition on the base material and polymerizing the alicyclic epoxy group-containing cationical polymerizable substance and the hydroxyl group-containing substance.
    Type: Application
    Filed: July 23, 2008
    Publication date: May 27, 2010
    Applicants: Kyoeisha Chemical Co., Ltd., National University Corporation Toyohashi University of Technology
    Inventors: Junichi Ikeda, Nobuya Morishita, Ryo Arai, Chisato Katahira, Yoshihiro Takatani, Kouzaburo Yokouchi, Mitsuteru Inoue, Pang Boey Lim
  • Publication number: 20100022800
    Abstract: A polymer having bis(diphenylphosphino)binaphthyl groups that can be used as a catalyst for an addition reaction, especially an asymmetric 1,4-addition reaction, or a reduction reaction, especially an asymmetric reduction reaction, and that can be easily recovered and recycled. The polymer having the bis(diphenylphosphino)binaphthyl groups is one resulting from repetition of a racemic or optically active 2,2?-bis(diphenylphosphino)-1,1?-binaphthyl compound substituted at 5-position thereof with an unsaturated terminal of one (meth)acryloyl group of a compound having multiple (meth)acryloyl groups, that another 2,2?-bis(diphenylphosphino)-1,1?-binaphthyl compound of a next unit is substituted at 5?-position thereof with an unsaturated terminal of another (meth)acryloyl group of the compound having multiple (meth)acryloyl groups so as to have a molecular weight of 1500 to 10000. The reduction catalyst comprises this polymer and a transition metal.
    Type: Application
    Filed: March 12, 2007
    Publication date: January 28, 2010
    Applicant: KYOEISHA CHEMICAL CO., LTD.
    Inventors: Toyoshi Shimada, Naomi Takenaka, Gakuto Goshima, Hiroyuki Hosoi
  • Patent number: 7196133
    Abstract: A surface tension control agent for coating materials includes a fluorine-containing (meth)acrylate copolymer obtained by copolymerizing a fluorine-substituted alkyl (meth)acrylate monomer (A), an alkyl (meth)acrylate monomer (B), and a hydroxyl group- or ether group-containing alkyl (meth)acrylate monomer (C), such that the ratio of (A) to {(B)+(C)} is 3–60 parts by weight to 40–97 parts by weight.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: March 27, 2007
    Assignee: Kyoeisha Chemical Co., Ltd.
    Inventors: Motoe Hosoda, Kazuhiro Miyake, Hidehiro Ushio
  • Publication number: 20070027289
    Abstract: The ring-containing modified resin is represented by the following chemical formula (1) R1[—(—O—CO—NH—R2—NH—CO—O—R3—)p—O—R4]q??(1) (in the chemical formula (1), R1 is a dehydroxyl residue of a resin having a benzene ring and/or a condensed ring and hydroxyl group: —R2— is deisocyanate group derived from an organic diisocyanate: —R3— is a dehydroxyl residue of polyol having number-average molecular weight of 200 to 30000: p is 1 to 3: —R4 is a hydrogen atom, alkyl group having 1 to 18 carbons, phenyl group: q is the same number as the number of the dehydroxyl residue of R1).
    Type: Application
    Filed: June 4, 2004
    Publication date: February 1, 2007
    Applicant: Kyoeisha Chemical Co., Ltd.
    Inventor: Motoe Hosoda
  • Publication number: 20060167170
    Abstract: A surface tension control agent for coating materials includes a fluorine-containing (meth)acrylate copolymer obtained by copolymerizing a fluorine-substituted alkyl (meth)acrylate monomer (A), an alkyl (meth)acrylate monomer (B), and a hydroxyl group- or ether group-containing alkyl (meth)acrylate monomer (C), such that the ratio of (A) to {(B)+(C)} is 3-60 parts by weight to 40-97 parts by weight.
    Type: Application
    Filed: July 8, 2004
    Publication date: July 27, 2006
    Applicant: KYOEISHA CHEMICAL CO., Ltd
    Inventors: Motoe Hosoda, Kazuhiro Miyake, Hidehiro Ushio
  • Publication number: 20060106168
    Abstract: A curable urethane resin composition comprises a blocked urethane prepolymer which is prepared through condensation-polymerization of a polyol and an organic isocyanate and has a terminal isocyanate group protected by a blocking agent, and a polymer dispersed or dissolved in the blocked urethane prepolymer. The curable urethane resin composition may further comprise a crosslinking agent which performs crosslinking reaction with the terminal isocyanate group of the urethane prepolymer formed through deblocking of the blocked urethane prepolymer to make the prepolymer form a higher molecule while containing the polymer therein.
    Type: Application
    Filed: November 25, 2003
    Publication date: May 18, 2006
    Applicant: KYOEISHA CHEMICAL CO., LTD.
    Inventors: Tatsuro Ota, Masatoshi Tanaka, Osamu Mizobuchi
  • Publication number: 20060051549
    Abstract: A thermosetting and active energy ray curable resin composition is disclosed which contains, as active constituents, a polymer having a (meth)acryl equivalent of 100 to 300 g/eq, a hydroxyl value of 50 to 550 mg KOH/g, an epoxy equivalent of 7000 g/eq or more and a weight-average molecular weight of 5000 to 100000 and a heat-curing agent. A transfer material is also disclosed which includes a protective layer formed of the heat-crosslinking reaction product of the resin composition on a base sheet. A method of producing a molded article includes adhering the transfer material to a molded article or applying the transfer material to the inside of a mold, filling a cavity of the mold with a resin by injection to form a molded article and simultaneously adhere the transfer material on the surface of the molded article, and removing the base sheet and irradiating the surface of the molded article with an active energy ray to form the protective layer.
    Type: Application
    Filed: October 30, 2003
    Publication date: March 9, 2006
    Applicant: KYOEISHA CHEMICAL CO., LTD
    Inventor: Hidesato Mano
  • Patent number: 6905756
    Abstract: A transfer sheet having a low-reflection layer characterized by comprises: a transparent low-reflection layer; a protective layer; and an adhesive layer successively laminated on a releasable base film.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: June 14, 2005
    Assignees: Nakajima Kogyo Kabushiki Kaisha, Kyoeisha Chemical Co., Ltd.
    Inventors: Seiichi Yamamoto, Yuzo Nakamura, Junichi Ikeda, Hidesato Mano
  • Publication number: 20020174946
    Abstract: Ae without causing movement or peeling of the relief film and yet may facilitate the re-sticking thereto.
    Type: Application
    Filed: March 8, 2002
    Publication date: November 28, 2002
    Applicant: KYOEISHA CHEMICAL CO., LTD.
    Inventors: Junichi Ikeda, Richard Danon
  • Patent number: 6022907
    Abstract: Novel urethane prepolymers which can be applied onto substrates without using any solvent, processes for producing the same, and pressure-sensitive adhesives using the prepolymers, which are excellent in adhesive strength, holding power and low temperature properties are provided. The urethane prepolymer is represented by the following formula [I] or [II]:d-c-(a-c).sub.k -e [I]ord-c-(a-c).sub.n -(b-c).sub.m -(a-c).sub.1 -e [II]wherein k is from 4 to 100; n and 1 each are from 2 to 50; m is from 1 to 50; a represents a polyester group having a number average molecular weight of 1.times.10.sup.3 to 5.times.10.sup.3 ; b represents a divalent group; c represents an organic isocyanate group; d represents a monool having functional groups; and e is a monool, which is the same as or different from d, having a number average molecular weight of 5.times.10.sup.3 to 5.times.10.sup.5. Such an urethane prepolymer is crosslinked to increase its molecular weight, thereby providing a pressure-sensitive adhesive.
    Type: Grant
    Filed: May 28, 1998
    Date of Patent: February 8, 2000
    Assignees: Kyoeisha Chemical Co., Ltd., Nitto Denko Corporation
    Inventors: Junichi Ikeda, Katsuya Kume