Patents by Inventor Nobuhiro Moriguchi
Nobuhiro Moriguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10385202Abstract: Provided is a thermoplastic polymer composition, including a thermoplastic elastomer (A) and a polyvinyl acetal (B), wherein the thermoplastic elastomer (A) is a styrene-based thermoplastic elastomer or an olefin-based thermoplastic elastomer. Thus, a thermoplastic polymer composition is provided that has good flexibility as a thermoplastic elastomer composition, is excellent in mechanical properties and formability, and also itself has excellent adhesion to a ceramic, a metal, or a polar polymer. In addition, provided is a shaped article in which the thermoplastic polymer composition is adhered to a ceramic, a metal, or a polar polymer, in particular a shaped article adhered to a glass.Type: GrantFiled: December 19, 2008Date of Patent: August 20, 2019Assignee: Kuraray Co., Ltd.Inventors: Nobuhiro Moriguchi, Shinichi Torigoe, Kazuki Tokuchi
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Patent number: 9809671Abstract: The present invention relates to a method for producing a hydrogenated block copolymer, including the steps of: (a) forming a block copolymer by allowing a living polymer having a specific structure to react with a tetra- or more functional silane coupling agent; (b) hydrogenating the block copolymer to form a hydrogenated block copolymer; (c) isolating the resultant hydrogenated block copolymer; and (d) deactivating a functional group in the silane coupling agent and/or an unreacted functional group present in a coupling agent residue in the block copolymer or the hydrogenated block copolymer prior to the step (c), in which the number of functional groups derived from the coupling agent in the hydrogenated block copolymer recovered in the step (c) is 1.5 or less per block copolymer molecule; a hydrogenated block copolymer obtained by the method; and a composition containing the hydrogenated block copolymer.Type: GrantFiled: December 29, 2015Date of Patent: November 7, 2017Assignee: KURARAY CO., LTD.Inventors: Takaaki Nishikawa, Yosuke Jogo, Nobuhiro Moriguchi, Mizuho Maeda
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Patent number: 9718953Abstract: A thermoplastic elastomer composition includes a hydrogenated block copolymer, which is obtained by hydrogenating a block copolymer having two or more polymer blocks (a) each containing a structural unit derived from an aromatic vinyl compound and one or more polymer blocks (b) each containing structural units derived from isoprene and 1,3-butadiene, a thermoplastic resin, and a rubber softener. The hydrogenated block copolymer has a crystallization peak temperature (Tc) of ?3 to 15° C.Type: GrantFiled: March 2, 2016Date of Patent: August 1, 2017Assignee: KURARAY CO., LTD.Inventors: Yosuke Jogo, Kenji Shachi, Nobuhiro Moriguchi
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Publication number: 20160177083Abstract: Provided are a block copolymer and a thermoplastic elastomer composition each of which is excellent in both tensile strength and elastic recovery, and has good abrasion resistance. Specifically, provided are a hydrogenated block copolymer, which is obtained by hydrogenating a block copolymer having two or more polymer blocks (a) each containing a structural unit derived from an aromatic vinyl compound and one or more polymer blocks (b) each containing structural units derived from isoprene and 1,3-butadiene, in which the hydrogenated block copolymer has a crystallization peak temperature (Tc) defined as described below of ?3 to 15° C., and a thermoplastic elastomer composition containing the hydrogenated block copolymer: (crystallization peak temperature (Tc)) a peak top temperature of an exothermic peak observed when the temperature of a sample is increased from 30° C. to 150° C. at a rate of temperature increase of 10° C./min and then the sample is cooled to ?100° C.Type: ApplicationFiled: March 2, 2016Publication date: June 23, 2016Applicant: KURARAY CO., LTD.Inventors: Yosuke JOGO, Kenji SHACHI, Nobuhiro MORIGUCHI
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Publication number: 20160115269Abstract: The present invention relates to a method for producing a hydrogenated block copolymer, including the steps of: (a) forming a block copolymer by allowing a living polymer having a specific structure to react with a tetra- or more functional silane coupling agent; (b) hydrogenating the block copolymer to form a hydrogenated block copolymer; (c) isolating the resultant hydrogenated block copolymer; and (d) deactivating a functional group in the silane coupling agent and/or an unreacted functional group present in a coupling agent residue in the block copolymer or the hydrogenated block copolymer prior to the step (c), in which the number of functional groups derived from the coupling agent in the hydrogenated block copolymer recovered in the step (c) is 1.5 or less per block copolymer molecule; a hydrogenated block copolymer obtained by the method; and a composition containing the hydrogenated block copolymer.Type: ApplicationFiled: December 29, 2015Publication date: April 28, 2016Applicant: KURARAY CO., LTDInventors: Takaaki NISHIKAWA, Yosuke JOGO, Nobuhiro MORIGUCHI, Mizuho MAEDA
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Patent number: 9321874Abstract: A hydrogenated block copolymer having two or more polymer blocks (a) each with a structural unit derived from an aromatic vinyl compound and one or more polymer blocks (b) each with structural units derived from isoprene and 1,3-butadiene, the hydrogenated block copolymer having a crystallization peak temperature of ?3 to 15° C.Type: GrantFiled: February 14, 2012Date of Patent: April 26, 2016Assignee: KURARAY CO., LTD.Inventors: Yosuke Jogo, Kenji Shachi, Nobuhiro Moriguchi
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Patent number: 9296853Abstract: The present invention relates to a method for producing a hydrogenated block copolymer, including the steps of: (a) forming a block copolymer by allowing a living polymer having a specific structure to react with a tetra- or more functional silane coupling agent; (b) hydrogenating the block copolymer to form a hydrogenated block copolymer; (c) isolating the resultant hydrogenated block copolymer; and (d) deactivating a functional group in the silane coupling agent and/or an unreacted functional group present in a coupling agent residue in the block copolymer or the hydrogenated block copolymer prior to the step (c), in which the number of functional groups derived from the coupling agent in the hydrogenated block copolymer recovered in the step (c) is 1.5 or less per block copolymer molecule; a hydrogenated block copolymer obtained by the method; and a composition containing the hydrogenated block copolymer.Type: GrantFiled: June 3, 2010Date of Patent: March 29, 2016Assignee: KURARAY CO., LTD.Inventors: Takaaki Nishikawa, Yosuke Jogo, Nobuhiro Moriguchi, Mizuho Maeda
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Patent number: 9102766Abstract: The present invention relates to a method for producing a hydrogenated block copolymer, comprises the steps of: (a) forming a block copolymer by allowing a living polymer having a specific structure to react with a bis-silane coupling agent having a specific structure; (b) hydrogenating the block copolymer to form a hydrogenated block copolymer; and (c) isolating the resultant hydrogenated block copolymer, in which the number of functional groups derived from the coupling agent in the hydrogenated block copolymer isolated in the step (c) is 1.5 or less per block copolymer molecule; a hydrogenated block copolymer obtained by the method; and a composition containing the hydrogenated block copolymer.Type: GrantFiled: June 3, 2010Date of Patent: August 11, 2015Assignee: KURARAY CO., LTD.Inventors: Takaaki Nishikawa, Yosuke Jogo, Nobuhiro Moriguchi, Mizuho Maeda
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Patent number: 8969474Abstract: Provided is a thermoplastic acrylic resin composition comprising a methacrylic resin (A) and a polyvinyl acetal resin (B) obtained by acetalizing a polyvinyl alcohol resin with an aldehyde having 4 or more carbon atoms and an aldehyde having 3 or less carbon atoms in which the total amount of the vinyl alcohol units acetalized with the aldehyde having 4 or more carbon atoms and the aldehyde having 3 or less carbon atoms is 65 to 85 mol % of all repeating units, and the molar ratio of the vinyl alcohol unit acetalized with the aldehyde having 4 or more carbon atoms to the vinyl alcohol unit acetalized with the aldehyde having 3 or less carbon atoms is from 90/10 to 0/100. Furthermore, provided are an article molded from the thermoplastic acrylic resin composition and a method of producing the thermoplastic acrylic resin composition comprising the steps of mixing a methacrylic resin (A) and a polyvinyl acetal resin (B), increasing the resin temperature to 160° C.Type: GrantFiled: April 21, 2009Date of Patent: March 3, 2015Assignee: Kuraray Co., Ltd.Inventors: Kazuki Tokuchi, Wataru Tsuji, Nobuhiro Moriguchi, Noboru Higashida
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Patent number: 8785546Abstract: To provide a thermoplastic elastomer composition excellent in fluidity, compression set property, and flexibility, and a hydrogenated block copolymer that provides the composition. The hydrogenated block copolymer is obtained by hydrogenating a block copolymer which is obtained by reacting a living polymer represented by the following formula (1): B1-A-B2—X??(1) wherein B1 and B2 each represent a polymer block mainly including a structural unit derived from a conjugated diene compound, A represents a polymer block mainly including a structural unit derived from a vinyl aromatic compound, and X represents an active terminal end of a living anion polymer, with a coupling agent, wherein the ratio of the mass of the polymer block B1 to the total mass of B1 and B2 before hydrogenation is from 0.10 to 0.45; and the content of the structural unit derived from the vinyl aromatic compound is from 25 to 50 mass % based on the mass of the hydrogenated block copolymer.Type: GrantFiled: August 28, 2009Date of Patent: July 22, 2014Assignee: Kuraray Co., Ltd.Inventors: Yosuke Jogo, Takaaki Nishikawa, Nobuhiro Moriguchi
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Publication number: 20130324656Abstract: Provided are a block copolymer and a thermoplastic elastomer composition each of which is excellent in both tensile strength and elastic recovery, and has good abrasion resistance. Specifically, provided are a hydrogenated block copolymer, which is obtained by hydrogenating a block copolymer having two or more polymer blocks (a) each containing a structural unit derived from an aromatic vinyl compound and one or more polymer blocks (b) each containing structural units derived from isoprene and 1,3-butadiene, in which the hydrogenated block copolymer has a crystallization peak temperature (Tc) defined as described below of ?3 to 15° C., and a thermoplastic elastomer composition containing the hydrogenated block copolymer: (crystallization peak temperature (Tc)) a peak top temperature of an exothermic peak observed when the temperature of a sample is increased from 30° C. to 150° C. at a rate of temperature increase of 10° C./min and then the sample is cooled to ?100° C.Type: ApplicationFiled: February 14, 2012Publication date: December 5, 2013Applicant: KURARAY CO., LTD.Inventors: Yosuke Jogo, Kenji Shachi, Nobuhiro Moriguchi
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Patent number: 8592018Abstract: Provided are a tube which has good transparency, flexibility, and solvent adhesion, and also has excellent clamp resistance, anti-conglutination property, and kink resistance, and a medical device using the tube.Type: GrantFiled: March 9, 2010Date of Patent: November 26, 2013Assignee: Kuraray Co., Ltd.Inventors: Yosuke Uehara, Nobuhiro Moriguchi, Shigenao Kuwahara, Hidetaka Oonuma
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Patent number: 8372517Abstract: An acrylic thermoplastic resin composition is obtained by melt-kneading a methacrylic resin (A) and a polyvinyl acetal resin (B) at a resin temperature of not less than 140° C. while applying shear at a shear rate of 100 sec?1 or more, and then cooling the kneaded product to not more than 120° C. In the acrylic thermoplastic resin composition, at least the methacrylic resin (A) forms a continuous phase, and among glass transition temperatures of the acrylic thermoplastic resin composition, a glass transition temperature TgA P ascribed to the methacrylic resin (A) indicates a value between a glass transition temperature (TgA) of the methacrylic resin (A) alone and a glass transition temperature (TgB) of the polyvinyl acetal resin (B) alone. A film- or sheet-like molded article is obtained by molding the resin composition. An acrylic resin composite is obtained by laying a layer of metal and/or metal oxide on at least one side of the acrylic resin molded article.Type: GrantFiled: October 23, 2007Date of Patent: February 12, 2013Assignee: Kuraray Co., Ltd.Inventors: Kazuki Tokuchi, Nobuhiro Moriguchi, Yohei Kamata, Yukiatsu Komiya
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Publication number: 20120157615Abstract: The present invention relates to a method for producing a hydrogenated block copolymer, comprises the steps of: (a) forming a block copolymer by allowing a living polymer having a specific structure to react with a bis-silane coupling agent having a specific structure; (b) hydrogenating the block copolymer to form a hydrogenated block copolymer; and (c) isolating the resultant hydrogenated block copolymer, in which the number of functional groups derived from the coupling agent in the hydrogenated block copolymer isolated in the step (c) is 1.5 or less per block copolymer molecule; a hydrogenated block copolymer obtained by the method; and a composition containing the hydrogenated block copolymer.Type: ApplicationFiled: June 3, 2010Publication date: June 21, 2012Applicant: KURARAY CO., LTD.Inventors: Takaaki Nishikawa, Yosuke Jogo, Nobuhiro Moriguchi, Mizuho Maeda
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Publication number: 20120136114Abstract: The present invention relates to a method for producing a hydrogenated block copolymer, including the steps of: (a) forming a block copolymer by allowing a living polymer having a specific structure to react with a tetra- or more functional silane coupling agent; (b) hydrogenating the block copolymer to form a hydrogenated block copolymer; (c) isolating the resultant hydrogenated block copolymer; and (d) deactivating a functional group in the silane coupling agent and/or an unreacted functional group present in a coupling agent residue in the block copolymer or the hydrogenated block copolymer prior to the step (c), in which the number of functional groups derived from the coupling agent in the hydrogenated block copolymer recovered in the step (c) is 1.5 or less per block copolymer molecule; a hydrogenated block copolymer obtained by the method; and a composition containing the hydrogenated block copolymer.Type: ApplicationFiled: June 3, 2010Publication date: May 31, 2012Applicant: Kuraray Co., Ltd.Inventors: Takaaki Nishikawa, Yosuke Jogo, Nobuhiro Moriguchi, Mizuho Maeda
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Publication number: 20110319837Abstract: Provided are a tube which has good transparency, flexibility, and solvent adhesion, and also has excellent clamp resistance, anti-conglutination property, and kink resistance, and a medical device using the tube.Type: ApplicationFiled: March 9, 2010Publication date: December 29, 2011Applicant: Kuraray Co., Ltd.Inventors: Yosuke Uehara, Nobuhiro Moriguchi, Shigenao Kuwahara, Hidetaka Oonuma
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Patent number: 8039112Abstract: Interlayer films useful for laminated glass contain a polyvinyl acetal (A), at least on plasticizer (B), fumed silica (C) and at least one basic compound (D), wherein the difference of refractive index between fumed silica (C) and plasticized polyvinyl acetal (A+B) is 0.015 or less, and the weight ratio of C/(A+B) is 2.7-60/100.Type: GrantFiled: April 4, 2008Date of Patent: October 18, 2011Assignees: Kuraray Europe GmbH, Kuraray Co., Ltd.Inventors: Uwe Keller, Martin Steuer, Takashi Wakui, Nobuhiro Moriguchi
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Publication number: 20110245405Abstract: To provide a thermoplastic elastomer composition excellent in fluidity, compression set property, and flexibility, and a hydrogenated block copolymer that provides the composition. The hydrogenated block copolymer is obtained by hydrogenating a block copolymer which is obtained by reacting a living polymer represented by the following formula (1): B1-A-B2-X??(1) wherein B1 and B2 each represent a polymer block mainly including a structural unit derived from a conjugated diene compound, A represents a polymer block mainly including a structural unit derived from a vinyl aromatic compound, and X represents an active terminal end of a living anion polymer, with a coupling agent, wherein the ratio of the mass of the polymer block B1 to the total mass of B1 and B2 before hydrogenation is from 0.10 to 0.45; and the content of the structural unit derived from the vinyl aromatic compound is from 25 to 50 mass % based on the mass of the hydrogenated block copolymer.Type: ApplicationFiled: August 28, 2009Publication date: October 6, 2011Applicant: Kuraray Co., Ltd.Inventors: Yosuke Jogo, Takaaki Nishikawa, Nobuhiro Moriguchi
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Publication number: 20110229714Abstract: Provided is an interlayer film for laminated glass which is excellent in transparency, heat-shielding property, durability and electromagnetic wave permeability, and which has good adhesiveness with glass. Provided is an interlayer film for laminated glass made of a resin composition containing polyvinyl acetal (A), anhydrous zinc antimonate (B) and a plasticizer (C), wherein the anhydrous zinc antimonate (B) having a ZnO/Sb2O5 molar ratio of from 0.8 to 1.2 is dispersed with an average particle diameter of 60 nm or less in the resin composition. A laminated glass is produced using such an interlayer film.Type: ApplicationFiled: December 11, 2008Publication date: September 22, 2011Applicants: KURARAY CO., LTD., KURARAY EUROPE GMBHInventors: Keisuke Morikawa, Tomohiro Kawakami, Nobuhiro Moriguchi, Holger Stenzel
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Publication number: 20110112247Abstract: Provided is a thermoplastic acrylic resin composition comprising a methacrylic resin (A) and a polyvinyl acetal resin (B) obtained by acetalizing a polyvinyl alcohol resin with an aldehyde having 4 or more carbon atoms and an aldehyde having 3 or less carbon atoms in which the total amount of the vinyl alcohol units acetalized with the aldehyde having 4 or more carbon atoms and the aldehyde having 3 or less carbon atoms is 65 to 85 mol % of all repeating units, and the molar ratio of the vinyl alcohol unit acetalized with the aldehyde having 4 or more carbon atoms to the vinyl alcohol unit acetalized with the aldehyde having 3 or less carbon atoms is from 90/10 to 0/100. Furthermore, provided are an article molded from the thermoplastic acrylic resin composition and a method of producing the thermoplastic acrylic resin composition comprising the steps of mixing a methacrylic resin (A) and a polyvinyl acetal resin (B), increasing the resin temperature to 160° C.Type: ApplicationFiled: April 21, 2009Publication date: May 12, 2011Applicant: KURARAY CO., LTD.Inventors: Kazuki Tokuchi, Wataru Tsuji, Nobuhiro Moriguchi, Noboru Higashida