Patents by Inventor Kazuo Moritou
Kazuo Moritou 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: 10385243Abstract: Disclosure provides a block copolymer composition having 20% by mass or more and 90% by mass or less of a component (A) and 10% by mass or more and 80% by mass or less of a component (B), wherein the component (A) is a block copolymer having a polymer block mainly comprising a vinyl aromatic monomer unit and a polymer block mainly comprising a conjugated diene monomer unit, and having a weight-average molecular weight of 30,000 or higher and 190,000 or lower; and the component (B) is a block copolymer having a polymer block mainly comprising a vinyl aromatic monomer unit and a polymer block mainly comprising a conjugated diene monomer unit, and having a weight-average molecular weight of 60,000 or higher and 500,000 or lower.Type: GrantFiled: January 22, 2015Date of Patent: August 20, 2019Assignees: Asahi Kasei Kabushiki Kaisha, Japan Elastomer Co., Ltd.Inventors: Kosuke Nakatani, Yoshifumi Araki, Kenta Shibuya, Takahiro Hisasue, Kazuo Moritou
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Publication number: 20160333235Abstract: Disclosure provides a block copolymer composition having 20% by mass or more and 90% by mass or less of a component (A) and 10% by mass or more and 80% by mass or less of a component (B), wherein the component (A) is a block copolymer having a polymer block mainly comprising a vinyl aromatic monomer unit and a polymer block mainly comprising a conjugated diene monomer unit, and having a weight-average molecular weight of 30,000 or higher and 190,000 or lower; and the component (B) is a block copolymer having a polymer block mainly comprising a vinyl aromatic monomer unit and a polymer block mainly comprising a conjugated diene monomer unit, and having a weight-average molecular weight of 60,000 or higher and 500,000 or lower.Type: ApplicationFiled: January 22, 2015Publication date: November 17, 2016Applicants: Asahi Kasei Kabushiki Kaisha, Japan Elastomer Co., Ltd.Inventors: Kosuke Nakatani, Yoshifumi Araki, Kenta Shibuya, Takahiro Hisasue, Kazuo Moritou
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Patent number: 7964674Abstract: A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrogenating an unhydrogenated random copolymer block comprised of conjugated diene monomer units and vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics: the hydrogenated copolymer has a content of the vinyl aromatic monomer units of from more than 40% by weight to less than 95% by weight; at least one peak of loss tangent (tan ?) is observed at ?10 to 80° C. in a dynamic viscoelastic spectrum obtained with respect to the hydrogenated copolymer; and substantially no crystallization peak ascribed to the copolymer block (B) is observed at ?20 to 80° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.Type: GrantFiled: April 1, 2008Date of Patent: June 21, 2011Assignee: Asahi Kasei Chemicals CorporationInventors: Masahiro Sasagawa, Toshinori Shiraki, Shigeki Takayama, Shigeru Sasaki, Katsumi Suzuki, Takahiro Hisasue, Kazuo Moritou
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Patent number: 7960481Abstract: A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrogenating an unhydrogenated random copolymer block comprised of conjugated diene monomer units and vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics: the hydrogenated copolymer has a content of the vinyl aromatic monomer units of from more than 40% by weight to less than 95% by weight; at least one peak of loss tangent (tan ?) is observed at ?10 to 80° C. in a dynamic viscoelastic spectrum obtained with respect to the hydrogenated copolymer; and substantially no crystallization peak ascribed to the copolymer block (B) is observed at ?20 to 80° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.Type: GrantFiled: April 1, 2008Date of Patent: June 14, 2011Assignee: Asahi Kasei Chemicals CorporationInventors: Masahiro Sasagawa, Toshinori Shiraki, Shigeki Takayama, Shigeru Sasaki, Katsumi Suzuki, Takahiro Hisasue, Kazuo Moritou
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Publication number: 20080194716Abstract: A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrogenating an unhydrogenated random copolymer block comprised of conjugated diene monomer units and vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics: the hydrogenated copolymer has a content of the vinyl aromatic monomer units of from more than 40% by weight to less than 95% by weight; at least one peak of loss tangent (tan ?) is observed at ?10 to 80° C. in a dynamic viscoelastic spectrum obtained with respect to the hydrogenated copolymer; and substantially no crystallization peak ascribed to the copolymer block (B) is observed at ?20 to 80° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.Type: ApplicationFiled: April 1, 2008Publication date: August 14, 2008Applicant: Asahi Kasei Chemicals CorporationInventors: Masahiro Sasagawa, Toshinori Shiraki, Shigeki Takayama, Shigeru Sasaki, Katsumi Suzuki, Takahiro Hisasue, Kazuo Moritou
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Publication number: 20080188580Abstract: A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrogenating an unhydrogenated random copolymer block comprised of conjugated diene monomer units and vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics: the hydrogenated copolymer has a content of the vinyl aromatic monomer units of from more than 40% by weight to less than 95% by weight; at least one peak of loss tangent (tan ?) is observed at ?10 to 80° C. in a dynamic viscoelastic spectrum obtained with respect to the hydrogenated copolymer; and substantially no crystallization peak ascribed to the copolymer block (B) is observed at ?20 to 80° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.Type: ApplicationFiled: April 1, 2008Publication date: August 7, 2008Applicant: Asahi Kasei Chemicals CorporationInventors: Masahiro Sasagawa, Toshinori Shiraki, Shigeki Takayama, Shigeru Sasaki, Katsumi Suzuki, Takahiro Hisasue, Kazuo Moritou
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Patent number: 7371805Abstract: A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrogenating an unhydrogenated random copolymer block comprised of conjugated diene monomer units and vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics: the hydrogenated copolymer has a content of the vinyl aromatic monomer units of from more than 40% by weight to less than 95% by weight; at least one peak of loss tangent (tan ?) is observed at ?10 to 80° C. in a dynamic viscoelastic spectrum obtained with respect to the hydrogenated copolymer; and substantially no crystallization peak ascribed to the copolymer block (B) is observed at ?20 to 80° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.Type: GrantFiled: June 26, 2003Date of Patent: May 13, 2008Assignee: Asahi Kasei Chemicals CorporationInventors: Masahiro Sasagawa, Toshinori Shiraki, Shigeki Takayama, Shigeru Sasaki, Katsumi Suzuki, Takahiro Hisasue, Kazuo Moritou
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Publication number: 20050234193Abstract: A hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated copolymer containing at least one hydrogenated copolymer block (B) which is obtained by hydrogenating an unhydrogenated random copolymer block comprised of conjugated diene monomer units and vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics: the hydrogenated copolymer has a content of the vinyl aromatic monomer units of from more than 40% by weight to less than 95% by weight; at least one peak of loss tangent (tan 8) is observed at ?10 to 80° C. in a dynamic viscoelastic spectrum obtained with respect to the hydrogenated copolymer; and substantially no crystallization peak ascribed to the copolymer block (B) is observed at ?20 to 80° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.Type: ApplicationFiled: June 26, 2004Publication date: October 20, 2005Inventors: Masahiro Sasagawa, Toshinori Shiraki, Shigeki Takayama, Shigeru Sasaki, Katsumi Suzuki, Takahiro Hisasue, Kazuo Moritou