Patents Assigned to Kyoeisha Chemical Co., Ltd.
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Patent number: 9006484Abstract: 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: GrantFiled: March 12, 2007Date of Patent: April 14, 2015Assignee: Kyoeisha Chemical Co., Ltd.Inventors: Toyoshi Shimada, Naomi Takenaka, Gakuto Goshima, Hiroyuki Hosoi
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Publication number: 20140290320Abstract: 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: ApplicationFiled: July 10, 2012Publication date: October 2, 2014Applicant: KYOEISHA CHEMICAL CO., LTD.Inventors: Kazuki Maeda, Hideki Tezuka, Yoshitsugu Okuyama, Atsuchi Maekawa, Shinichi Yano
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Publication number: 20140200311Abstract: 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: ApplicationFiled: June 28, 2012Publication date: July 17, 2014Applicant: KYOEISHA CHEMICAL CO., LTD.Inventors: Toyoshi Shimada, Yoshinori Takamatsu
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Publication number: 20140142292Abstract: 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: ApplicationFiled: June 28, 2012Publication date: May 22, 2014Applicants: DAICEL CORPORATION, KYOEISHA CHEMICAL CO., LTD.Inventor: Toyoshi Shimada
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Patent number: 8497335Abstract: 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: GrantFiled: July 30, 2010Date of Patent: July 30, 2013Assignee: Kyoeisha Chemical Co., Ltd.Inventors: Daisuke Mitomi, Kazuhiro Miyake, Masashi Kinugawa
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Publication number: 20130102717Abstract: 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: ApplicationFiled: June 1, 2011Publication date: April 25, 2013Applicant: KYOEISHA CHEMICAL CO., LTD.Inventors: Tsukasa Akutagawa, Masahiro Takagi, Daisuke Mitomi, Takanori Matsuyama
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Publication number: 20130053490Abstract: 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: ApplicationFiled: April 28, 2011Publication date: February 28, 2013Applicant: KYOEISHA CHEMICAL CO., LTD.Inventors: Yoshihiko Yamanishi, Masashi Kinugawa, Takanori Matsuyama, Nobuaki Nakatsuka
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Patent number: 8383295Abstract: 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: GrantFiled: July 23, 2008Date of Patent: February 26, 2013Assignees: Kyoeisha Chemical Co., Ltd., National University Corporation Toyohashi University of TechnologyInventors: Junichi Ikeda, Nobuya Morishita, Ryo Arai, Chisato Katahira, Yoshihiro Takatani, Kouzaburo Yokouchi, Mitsuteru Inoue, Pang Boey Lim
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Publication number: 20120123045Abstract: 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: ApplicationFiled: July 30, 2010Publication date: May 17, 2012Applicant: KYOEISHA CHEMICAL CO., LTD.Inventors: Daisuke Mitomi, Kazuhiro Miyake, Masashi Kinugawa
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Patent number: 7786242Abstract: 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: GrantFiled: June 4, 2004Date of Patent: August 31, 2010Assignee: Kyoeisha Chemical Co., Ltd.Inventor: Motoe Hosoda
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Publication number: 20100128589Abstract: 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: ApplicationFiled: July 23, 2008Publication date: May 27, 2010Applicants: Kyoeisha Chemical Co., Ltd., National University Corporation Toyohashi University of TechnologyInventors: Junichi Ikeda, Nobuya Morishita, Ryo Arai, Chisato Katahira, Yoshihiro Takatani, Kouzaburo Yokouchi, Mitsuteru Inoue, Pang Boey Lim
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Publication number: 20100022800Abstract: 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: ApplicationFiled: March 12, 2007Publication date: January 28, 2010Applicant: KYOEISHA CHEMICAL CO., LTD.Inventors: Toyoshi Shimada, Naomi Takenaka, Gakuto Goshima, Hiroyuki Hosoi
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Patent number: 7196133Abstract: 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: GrantFiled: July 8, 2004Date of Patent: March 27, 2007Assignee: Kyoeisha Chemical Co., Ltd.Inventors: Motoe Hosoda, Kazuhiro Miyake, Hidehiro Ushio
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Publication number: 20070027289Abstract: 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: ApplicationFiled: June 4, 2004Publication date: February 1, 2007Applicant: Kyoeisha Chemical Co., Ltd.Inventor: Motoe Hosoda
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Publication number: 20060167170Abstract: 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: ApplicationFiled: July 8, 2004Publication date: July 27, 2006Applicant: KYOEISHA CHEMICAL CO., LtdInventors: Motoe Hosoda, Kazuhiro Miyake, Hidehiro Ushio
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Publication number: 20060106168Abstract: 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: ApplicationFiled: November 25, 2003Publication date: May 18, 2006Applicant: KYOEISHA CHEMICAL CO., LTD.Inventors: Tatsuro Ota, Masatoshi Tanaka, Osamu Mizobuchi
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Publication number: 20060051549Abstract: 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: ApplicationFiled: October 30, 2003Publication date: March 9, 2006Applicant: KYOEISHA CHEMICAL CO., LTDInventor: Hidesato Mano
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Patent number: 6905756Abstract: 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: GrantFiled: May 30, 2001Date of Patent: June 14, 2005Assignees: Nakajima Kogyo Kabushiki Kaisha, Kyoeisha Chemical Co., Ltd.Inventors: Seiichi Yamamoto, Yuzo Nakamura, Junichi Ikeda, Hidesato Mano
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Publication number: 20020174946Abstract: Ae without causing movement or peeling of the relief film and yet may facilitate the re-sticking thereto.Type: ApplicationFiled: March 8, 2002Publication date: November 28, 2002Applicant: KYOEISHA CHEMICAL CO., LTD.Inventors: Junichi Ikeda, Richard Danon
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Patent number: 6022907Abstract: 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: GrantFiled: May 28, 1998Date of Patent: February 8, 2000Assignees: Kyoeisha Chemical Co., Ltd., Nitto Denko CorporationInventors: Junichi Ikeda, Katsuya Kume