Patents by Inventor Hironari Sano
Hironari Sano 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: 10858485Abstract: An object of the present invention is to provide a highly versatile master batch for producing a fiber-reinforced resin composition with high strength even when a highly hydrophobic resin is used as a resin for dilution (a resin that constitutes a fiber-reinforced resin composition). The master batch contains AcylMFs (A), a Pm (B), and a Com (C) and is for use in the production of a fiber-reinforced resin composition by mixing with a Pd (D), wherein the AcylMFs (A), Pm (B), Com (C), and Pd (D) satisfy the following conditions: (a) the AcylMFs (A) have an SPacylmf of 10 or more; (b) the Pm (B) has an SPpm of 9 to 15, and the SPpm is equal to or greater than the SPpd of the Pd (D); and (c) the Com (C) has an SPcom equal to or less than the SPacylmf of the AcylMFs (A).Type: GrantFiled: March 16, 2017Date of Patent: December 8, 2020Assignees: KYOTO UNIVERSITY, NIPPON PAPER INDUSTRIES CO., LTDInventors: Hiroyuki Yano, Hiroaki Okumura, Hiromasa Kataoka, Hironari Sano
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Publication number: 20190092909Abstract: An object of the present invention is to provide a highly versatile master batch for producing a fiber-reinforced resin composition with high strength even when a highly hydrophobic resin is used as a resin for dilution (a resin that constitutes a fiber-reinforced resin composition). The master batch contains AcylMFs (A), a Pm (B), and a Com (C) and is for use in the production of a fiber-reinforced resin composition by mixing with a Pd (D), wherein the AcylMFs (A), Pm (B), Com (C), and Pd (D) satisfy the following conditions: (a) the AcylMFs (A) have an SPacylmf of 10 or more; (b) the Pm (B) has an SPpm of 9 to 15, and the SPpm is equal to or greater than the SPpd of the Pd (D); and (c) the Com (C) has an SPcom equal to or less than the SPacylmf of the AcylMFs (A).Type: ApplicationFiled: March 16, 2017Publication date: March 28, 2019Applicants: KYOTO UNIVERSITY, NIPPON PAPER INDUSTRIES CO., LTDInventors: Hiroyuki YANO, Hiroaki OKUMURA, Hiromasa KATAOKA, Hironari SANO
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Publication number: 20080045657Abstract: The invention provides a method of obtaining a compatible resin blend from at least two incompatible resins which are not conventionally blended with each other. The blend of an incompatible resins is dissolved at a molecular level by being melted and sheared under a high shearing rate by rotating a screw without adding a compatibilizer or the like.Type: ApplicationFiled: August 17, 2006Publication date: February 21, 2008Applicant: NAT'L INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Hiroshi Shimizu, Yongjin Li, Toshiyuki Imoto, Akira Kaito, Hironari Sano
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Patent number: 6730728Abstract: The present invention provides a resin composition high in melting flow, exhibiting good properties, excellent in moldability and shrinkage properties, and hence suitable for automobile exteriors, by including (A) propylene/ethylene block copolymer having a melt flow rate (MFR) of 100 to 200 g/10 min., its propylene homopolymer component having an MFR of 210 to 400 g/10 min. and isotactic pentad fraction of 0.98 or more, and its copolymer portion containing propylene at 65 to 85% by weight; 50 to 70% by weight, (B) ethylene/octene and/or ethylene/butene random copolymer; 10 to 25% by weight, (C) styrene-based hydrogenated block copolymer rubber; 4 to 9% by weight and (D) talc; 16 to 24% by weight.Type: GrantFiled: January 11, 2002Date of Patent: May 4, 2004Assignees: Japan Polychem Corporation, Toyota Jidosha Kabushiki KaishaInventors: Masatoshi Matsuda, Hisayuki Iwai, Takayuki Nagai, Yukihito Zanka, Mitsuhiro Murayama, Yuji Fujita, Hironari Sano
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Publication number: 20030092818Abstract: The present invention provides a resin composition high in melting flow, exhibiting good properties, excellent in moldability and shrinkage properties, and hence suitable for automobile exteriors, by including (A) propylene/ethylene block copolymer having a melt flow rate (MFR) of 100 to 200 g/10 min., its propylene homopolymer component having an MFR of 210 to 400 g/10 min. and isotactic pentad fraction of 0.98 or more, and its copolymer portion containing propylene at 65 to 85% by weight; 50 to 70% by weight, (B) ethylene/octene and/or ethylene/butene random copolymer; 10 to 25% by weight, (C) styrene-based hydrogenated block copolymer rubber; 4 to 9% by weight and (D) talc; 16 to 24% by weight.Type: ApplicationFiled: January 11, 2002Publication date: May 15, 2003Inventors: Masatoshi Matsuda, Hisayuki Iwai, Takayuki Nagai, Yukihito Zanka, Mitsuhiro Murayama, Yuji Fujita, Hironari Sano
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Patent number: 6469100Abstract: A block copolymer is provided comprising one or more blocks of a propylene polymer (PP) and one or more blocks of an ethylene-propylene copolymer (EPR) having the properties: (1) the interface thickness of the PP block with EPR block is from 20-1000 nm; (2) the weight average molecular weight of the PP block is 10,000-1,000,000; (3) the proportion of mesopentad chain in the PP block is not less than 95%; (4) the particle diameter of the disperse phase in EPR block is 0.2-3 microns; (5) the weight average molecular weight of the EPR block is 50,000-1000,000; (6) the propylene content in the EPR block is 20-80 mole %; (7) the composition fluctuation in molecular weight in EPR block is within +/−5% from the average composition.Type: GrantFiled: June 4, 1999Date of Patent: October 22, 2002Assignee: Japan Polychem CorporationInventors: Toru Suzuki, Toshihiko Sugano, Hironari Sano, Motohiro Seki, Takao Tayano, Hiroshi Nakano
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Publication number: 20010014719Abstract: The present invention provides a polypropylene block copolymer or resin composition excellent in impact resistance and rigidity.Type: ApplicationFiled: June 4, 1999Publication date: August 16, 2001Inventors: TORU SUZUKI, TOSHIHIKO SUGANO, HIRONARI SANO, MOTOHIRO SEKI, TAKAO TAYANO, HIROSHI NAKANO
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Patent number: 5777020Abstract: A thermoplastic resin composition comprising (A) a propylene/ethylene block copolymer, (B) a combination of a low-crystalline ethylene/butene random copolymer resin and an amorphous ethylene/butene random copolymer rubber, or a combination of an ethylene/octene copolymer rubber and an ethylene/propylene copolymer rubber, (C) a specific block elastomer, and (D) talc. This composition has good injection molding properties, can reveal excellent flexural modulus, heat resistance and surface hardness, and is suitable for producing such injection-molded products as interior automotive trims.Type: GrantFiled: November 15, 1996Date of Patent: July 7, 1998Assignees: Japan Polychem Corporation, Toyota Jidosha Kabushiki KaishaInventors: Takayuki Nagai, Yasutoshi Jagawa, Takeyoshi Nishio, Yukihito Zanka, Ikuo Tsutsumi, Izumi Ishii, Hiroki Sato, Hironari Sano
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Patent number: 5747575Abstract: There is provided a crystalline thermoplastic resin composition comprising (a) 100 parts by weight of a crystalline thermoplastic resin and (b) 0.01 to 11 parts by weight of a laminar structure of silicate, said laminar structure of silicate being present in the form of crystal nuclei dispersed at a molecular level in said resin, and having an aspect ratio of at least 20 as represented by a length-to-breadth ratio of said crystal nuclei.Type: GrantFiled: November 1, 1996Date of Patent: May 5, 1998Assignee: Mitsubishi Chemical CorporationInventors: Koji Nishida, Yoshihiro Kurasawa, Kiyoji Takagi, Hironari Sano
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Patent number: 5648424Abstract: Disclosed is a molded product of a thermoplastic resin composition which comprises:(a) a non-crystalline thermoplastic resin,(b) a crystalline thermoplastic resin and(c) an inorganic filler, if necessary,wherein a portion in which Component (a) takes a structure forming a matrix and a portion in which Component (b) takes a structure forming a matrix coexist.Type: GrantFiled: November 7, 1995Date of Patent: July 15, 1997Assignee: Mitsubishi Chemical CorporationInventors: Chiyo Miwa, Hironari Sano, Koji Nishida, Yoshihiro Kurasawa
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Patent number: 5571866Abstract: Disclosed is a thermoplast resin composition comprising:30 to 97% by weight of at least one of(a) a crystalline thermoplastic resin component and(b) a non-crystalline thermoplastic resin component,3 to 70% by weight of (c) a rubbery polymer component which is ununiformly mixed with at least one of Component (a) and Component (b) and0 to 40% by weight of (d) an inorganic filler,wherein Component (c) forms a network and at least one of the ratio of flexural modulus of Component (a) to Component (c) and that of Component (b) to Component (c) is 5 or more.Type: GrantFiled: May 23, 1995Date of Patent: November 5, 1996Assignee: Mitsubishi Chemical CorporationInventors: Koji Nishida, Kiyoji Takagi, Hironari Sano, Motohiro Seki
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Patent number: 5468444Abstract: A process for producing an oriented blown film of a thermoplastic resin by blown film extrusion, carried out by blowing air into an extruded bubble of the resin extruded from a ring die to expand the bubble and cooling the expanded bubble with air from a cooling air ring, wherein blown film extrusion is carried out under such conditions that the ratio of (b) the final diameter of the expanded bubble to (a) the diameter of the bubble at the crystallizing temperature of the thermoplastic resin ((b)/(a)) ranges from 1.5 to 10. The process provides an oriented blown film excellent in strength, appearance, and heat shrinkage characteristics.Type: GrantFiled: May 27, 1994Date of Patent: November 21, 1995Assignee: Mitsubishi Chemical CorporationInventors: Takao Yazaki, Masataka Noro, Takashi Matsui, Noriyuki Kobayashi, Hironari Sano, Koji Yamamoto
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Patent number: 5449722Abstract: Disclosed is a thermoplastic resin composition comprising:30 to 97% by weight of at least one of (a) a crystalline thermoplastic resin component and (b) a non-crystalline thermoplastic resin component, 3 to 70% by weight of (c) a rubbery polymer component which is ununiformly mixed with at least one of Component (a) and Component (b) and 0 to 40% by weight of (d) an inorganic filler,wherein Component (c) forms a network and at least one of the ratio of flexural modulus of Component (a) to Component (c) and that of Component (b) to Component (c) is 5 or more.Type: GrantFiled: March 18, 1994Date of Patent: September 12, 1995Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Koji Nishida, Kiyoji Takagi, Hironari Sano, Motohiro Seki
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Patent number: 5326627Abstract: A polyolefin-based wrapping film having one or more layers which satisfies the following conditions (1) to (4):(1) the film has a thickness ranging from 6 to 100 .mu.m;(2) the film has a birefringence .DELTA.n.sub.A of from 0.6.times.10.sup.-3 to 8.times.10.sup.-3 ;(3) the film has a ratio of percent heat shrinkage in MD to percent heat shrinkage in TD of from 0.65 to 1.50 in a silicon oil bath at 140.degree. C. for 3 minutes; and(4) the film has a strain recovery of at least 18 mm,which provides excellent performance properties in stretch wrapping, especially in the area of high deformation recover.Type: GrantFiled: October 20, 1992Date of Patent: July 5, 1994Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Takao Yazaki, Masataka Noro, Takashi Matsui, Noriyuki Kobayashi, Hironari Sano, Koji Yamamoto
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Patent number: 5326811Abstract: A plated polyamide resin article obtained by plating, with a suitable plating substance, a molded article of a polyamide resin composition is disclosed, the polyamide resin composition comprising (A) from 30 to 80% by weight of a polyamide resin, (B) from 20 to 70% by weight of a polyphenylene ether resin, (C) from 1 to 50 parts by weight, per 100 parts by weight of the sum of (A) and (B), of an impact modifier, and (D) from 0.01 to 30 parts by weight, per 100 parts by weight of the sum of (A) and (B), of a compatibilizer, in which the polyamide resin forms a continuous phase, and the polyphenylene ether resin forms a dispersed phase, with the polyamide resin having a crystallinity of from 20 to 55% with the crystalline region thereof being not less than 72% in the .gamma. crystal form. The plated article is excellent in heat resistance, impact resistance, and appearance.Type: GrantFiled: June 17, 1992Date of Patent: July 5, 1994Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Hironari Sano, Koji Nishida
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Patent number: 5124193Abstract: An injection-molded product comprising: component A: 45 to 70% by weight of a propylene polymer 2.16 kg) of 10 to 100 g/10 min and an ethylene content of 0 to 15% by weight; and component B: 30 to 55% by weight of an ethylene/propylene copolymer-based rubber having a melt flow rate (at 230.degree. C. under a load of 5 kg) of 0.5 to 20 g/10 min and a propylene content of 20 to 40% by weight; the ratio MFR.sub.A /MFR.sub.B of the melt flow rate (MFR.sub.A) of component A to the melt flow rate (MFR.sub.B) of component B being 0.5 to 50, and the molded product having such physical properties as expressed in terms of a modulus in flexure of 2,000 to 5,000 kg/cm.sup.2, as determined according to JIS-K7203 and a coefficient of linear expansion of 10 .times.10.sup.-5 /.degree. C. or below, as determined according to ASTM-D696, and having an average thickness of 2 to 7 mm.Type: GrantFiled: May 25, 1990Date of Patent: June 23, 1992Assignees: Mitsubishi Petrochemical Company Limited, Mitsubishi Jidosha KogyoInventors: Hironari Sano, Hideaki Nakagawa, Kenichi Tange, Yoshinori Yamamori
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Patent number: 5091473Abstract: There is disclosed a resin composition comprising:(a) 28 to 78% by weight of a polyamide resin,(b) 20 to 70% by weight of a polyphenylene ether resin,(c) 2 to 40% by weight of a block copolymer composed of an alkenyl aromatic polymer and a conjugated diene polymer wherein a content of an alkenyl aromatic polymer structure unit is 10 to 45% by weight and at least 50% of a conjugated diene polymer structure unit is hydrogenated and(d) at least one compound selected from the group consisting of .alpha.,.beta.-unsaturated dicarboxylic acid, an acid anhydride and derivatives thereof with an amount of 0.01 to 10 parts by weight based on 100 parts by weight of the sum of Components (a), (b) and (c),which has a specific dispersion state.The resin composition has excellent thermal stability and also good balance between impact strength, rigidity and high temperature rigidity with high degree.Type: GrantFiled: August 23, 1990Date of Patent: February 25, 1992Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Yusuke Arashiro, Shinichi Yamauchi, Hironari Sano, Takayuki Inoue, Koji Nishida
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Patent number: 5008332Abstract: A resin composition comprising an amorphous polymer as component (1), a crystalline polymer as component (2) and a rubber like polymer as component (3), wherein component (1) is dispersed in component (2) and component (3) is dispersed in component (2) in network form is disclosed. The resin composition has excellent mechanical properties such as impact strength, flexural modulus, etc.Type: GrantFiled: November 17, 1987Date of Patent: April 16, 1991Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Hironari Sano, Kenyu Ohno
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Patent number: 4968749Abstract: A resin composition comprising (a) a polyphenylene ether resin, (b) a non-crystalline or low-crystalline polyamide resin, (c) a crystalline polyamide resin and, if desired, (d) a polar compound or a low-molecular diene polymer or the component (d) and (e) a rubbery polymer or an alkenyl aromatic compound/conjugated diene copolymer or a hydrogeneration product thereof. The composition is excellent in both impact strength, particularly on a plane part of a plate-molded article, and dimensional stability.Type: GrantFiled: March 29, 1989Date of Patent: November 6, 1990Assignee: Mitsubishi Petrochemical Company, Ltd.Inventors: Nobuhiro Shibuya, Kiyoji Takagi, Satoru Hattori, Tatsuo Kobayashi, Hironari Sano
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Patent number: 4743651Abstract: A resin composition comprising a resin component comprising a polyphenylene ether resin and a polyamide resin, an aromatic vinyl compound-conjugated diene block copolymer, and a compound having an unsaturated group and a polar group in the molecule thereof. The composition is excellent in impact strength both at low temperature and room temperature, tensile elongation indicative of toughness, and organic solvent resistance.Type: GrantFiled: November 20, 1986Date of Patent: May 10, 1988Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Nobuhiro Shibuya, Yoshihiro Sobajima, Hironari Sano