Patents by Inventor Minoru Terano
Minoru Terano 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: 10759929Abstract: A main object is to provide a biaxially stretched polypropylene film for capacitors that has high voltage resistance at high temperatures and excellent dielectric breakdown properties and that can be formed into an ultrathin film. Furthermore, a capacitor obtained by using the biaxially stretched polypropylene film for capacitors described above is provided. The biaxially stretched polypropylene film for capacitors, includes a polypropylene resin, and the film has a spacing value of (040) face of ?-crystal measured by X-ray diffraction of 0.525 to 0.530 nm.Type: GrantFiled: March 31, 2015Date of Patent: September 1, 2020Assignee: OJI HOLDINGS CORPORATIONInventors: Toshiaki Taniike, Minoru Terano, Ikki Katada, Tadakazu Ishiwata, Masahiro Nakata
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Publication number: 20180208751Abstract: A main object is to provide a biaxially stretched polypropylene film for capacitors that has high voltage resistance at high temperatures and excellent dielectric breakdown properties and that can be formed into an ultrathin film. Furthermore, a capacitor obtained by using the biaxially stretched polypropylene film for capacitors described above is provided. The biaxially stretched polypropylene film for capacitors, includes a polypropylene resin, and the film has a spacing value of (040) face of ?-crystal measured by X-ray diffraction of 0.525 to 0.530 nm.Type: ApplicationFiled: March 31, 2015Publication date: July 26, 2018Applicant: OJI HOLDINGS CORPORATIONInventors: Toshiaki TANIIKE, Minoru TERANO, Ikki KATADA, Tadakazu ISHIWATA, Masahiro NAKATA
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Patent number: 6815508Abstract: A polypropylene/ethylene block copolymer, which has a poly(ethylene-co-propylene) segment content of 5 to 100 wt. %, excluding 100 wt. %, and a total ethylene content of 2 to 95 wt. %. (a) The block polymer comprises polypropylene segments and poly(ethylene-co-propylene) segments chemically bonded thereto, and (b) the polypropylene segments and the poly(ethylene-co-propylene) segments have been synthesized in the presence of an olefin polymerization catalyst comprising an organometallic compound and a solid catalyst component comprising either titanium and a halogen, or titanium, magnesium, and a halogen. The block copolymer has a weight-average molecular weight of 100,000 or higher, is suitable for producing general-purpose molded articles, and has an excellent balance among mechanical properties, impact resistance, thermal properties, transparency, moldability, and other properties.Type: GrantFiled: July 9, 2001Date of Patent: November 9, 2004Assignees: Chisso Petrochemical Corporation, Japan Science and Technology CorporationInventors: Minoru Terano, Tetsuya Matsukawa, Hideshi Satake, Masato Takahashi
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Patent number: 6812292Abstract: A polypropylene/ethylene block copolymer, which has a poly(ethylene-co-propylene) segment content of 5 to 100 wt. %, excluding 100 wt. %, and a total ethylene content of 2 to 95 wt. %. (a) The block polymer comprises polypropylene segments and poly(ethylene-co-propylene) segments chemically bonded thereto, and (b) the polypropylene segments and the poly(ethylene-co-propylene) segments have been synthesized in the presence of an olefin polymerization catalyst comprising an organometallic compound and a solid catalyst component comprising either titanium and a halogen, or titanium, magnesium, and a halogen. The block copolymer has a weight-average molecular weight of 100,000 or higher, is suitable for producing general-purpose molded articles, and has an excellent balance among mechanical properties, impact resistance, thermal properties, transparency, moldability, and other properties.Type: GrantFiled: September 24, 2003Date of Patent: November 2, 2004Assignees: Chisso Petrochemical Corporation, Japan Science and Technology CorporationInventors: Minoru Terano, Tetsuya Matsukawa, Hideshi Satake, Masato Takahashi
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Publication number: 20040072957Abstract: A polypropylene/ethylene block copolymer, which has a poly(ethylene-co-propylene) segment content of 5 to 100 wt. %, excluding 100 wt. %, and a total ethylene content of 2 to 95 wt. %. (a) The block polymer comprises polypropylene segments and poly(ethylene-co-propylene) segments chemically bonded thereto, and (b) the polypropylene segments and the poly(ethylene-co-propylene) segments have been synthesized in the presence of an olefin polymerization catalyst comprising an organometallic compound and a solid catalyst component comprising either titanium and a halogen, or titanium, magnesium, and a halogen. The block copolymer has a weight-average molecular weight of 100,000 or higher, is suitable for producing general-purpose molded articles, and has an excellent balance among mechanical properties, impact resistance, thermal properties, transparency, moldability, and other properties.Type: ApplicationFiled: September 24, 2003Publication date: April 15, 2004Inventors: Minoru Terano, Tetsuya Matsukawa, Hideshi Satake, Masato Takahashi
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Patent number: 6657020Abstract: A process for preparing polypropylene-b-poly(ethylene-co-propylene) by the use of a tubular continuous polymerizer in the presence of an olefin-polymerizing catalyst comprising a solid catalyst component (1) composed of titanium and halogen; an organosilicon compound (2); and, if necessary, at least one electron-donating compound (3) selected from the group consisting of organosilicon compounds represented by the general formula: RnSi(OR′)4−n (wherein R and R′ are each independently a C1-C10 hydrocarbon group; and n is an integer of 1 to 3) and nitrogenous heterocyclic compounds, wherein the solid catalyst component (1) is preliminarily brought into contact with the organosilicon compound (2) in the presence of the electron-donating compound (3), and then a polypropylene segment is formed through polymerization, followed by formation of a poly(ethylene-co-propylene) segment at the end of the polypropylene segment through polymerization.Type: GrantFiled: July 20, 2000Date of Patent: December 2, 2003Assignees: Chisso Petrochemical Corporation, Japan Science and Technology CorporationInventors: Minoru Terano, Tetsuya Matsukawa, Hideshi Satake, Masato Takahashi
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Patent number: 6355725Abstract: A propylene-ethylene block copolymer composition is disclosed which comprises 0.01 to 10% by weight of an A-B type propylene-ethylene block copolymer (C) consisting essentially of a polypropylene segment (A) and an ethylene-propylene random copolymer segment (B), and 99.99 to 90% by weight of a propylene polymer (D), wherein the A-B type propylene-ethylene block copolymer (C) comprises 5 to 80% by weight of the ethylene-propylene random copolymer segment (B) having an ethylene content of 10 to 90% by weight and the propylene polymer (D) comprises 60 to 95% by weight of a homopolymer of propylene or a copolymer of propylene containing a copolymerizable monomer therewith (D1) and 40 to 5% by weight of an ethylene-propylene random copolymer (D2).Type: GrantFiled: January 19, 2001Date of Patent: March 12, 2002Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Minoru Terano, Takahiro Oka, Nobutoshi Komori, Tetsuya Matsukawa
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Publication number: 20010021732Abstract: A propylene-ethylene block copolymer composition is disclosed which comprises 0.Type: ApplicationFiled: January 19, 2001Publication date: September 13, 2001Applicant: Chisso CorporationInventors: Minoru Terano, Takahiro Oka, Nobutoshi Komori, Tetsuya Matsukawa
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Patent number: 6211300Abstract: A propylene-ethylene block copolymer composition is disclosed which comprises 0.01 to 10% by weight of an A-B type propylene-ethylene block copolymer (C) consisting essentially of a polypropylene segment (A) and an ethylene-propylene random copolymer segment (B), and 99.99 to 90% by weight of a propylene polymer (D), wherein the A-B type propylene-ethylene block copolymer (C) comprises 5 to 80% by weight of the ethylene-propylene random copolymer segment (B) having an ethylene content of 10 to 90% by weight and the propylene polymer (D) comprises 60 to 95% by weight of a homopolymer of propylene or a copolymer of propylene containing a copolymerizable monomer therewith (D1) and 40 to 5% by weight of an ethylene-propylene random copolymer (D2).Type: GrantFiled: April 10, 1998Date of Patent: April 3, 2001Assignees: Chisso Corporation, Chisso Petrochemical CorporationInventors: Minoru Terano, Takahiro Oka, Nobutoshi Komori, Tetsuya Matsukawa
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Patent number: 6037387Abstract: A platelet metabolism suppressing blood compatible material has a supramolecular structure containing a plurality of cyclic compounds and a hydrophilic straight-chain polymer threading into cavities of the cyclic compounds. Both terminals of the polymer are respectively capped with biodegradable groups having bulks sufficient to prevent the dethreading of the cyclic compounds.Type: GrantFiled: April 29, 1998Date of Patent: March 14, 2000Assignee: Japan Advanced Institute of Science and Technology, HokurikuInventors: Nobuhiko Yui, Minoru Terano, Hideharu Mori
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Patent number: 5990235Abstract: A chemically bonded olefin block copolymer consists essentially of chemically bonded polypropylene and poly(ethylene-co-propylene). The block copolymer is obtained by a process of (1) introducing a Ziegler polymerization catalyst based on titanium and propylene to a first polymerization zone (a) and polymerizing the propylene in the polymerization zone (a) for a period of 0.01 to 0.130 seconds and withdrawing an effluent stream of polypropylene, catalyst, solvent and unreacted propylene therefrom; (2) introducing the effluent stream to a second polymerization zone (b) together with ethylene dissolved in a solvent and carrying out a polymerization reaction in the second polymerization zone (b) for a period of 0.01 to 0.130 seconds; and (3) recovering the block copolymer.Type: GrantFiled: May 28, 1997Date of Patent: November 23, 1999Assignee: Research Development Corporation of JapanInventor: Minoru Terano
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Patent number: 5494872Abstract: A novel catalyst and solid catalyst component useful for preparing polyolefins having a broad molecular weight distribution and high stereoregularity.Type: GrantFiled: July 27, 1994Date of Patent: February 27, 1996Assignee: Toho Titanium Company, Ltd.Inventors: Motoki Hosaka, Minoru Terano, Kazuhiro Ishii
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Patent number: 5130284Abstract: A solid catalyst component prepared under specific conditions by reacting with a reaction product which has been obtained by suspending diethoxymagnesium in an alkylbenzene and bringing the suspension into contact with titanium tetrachloride, phthaloyl dichloride at 80.degree.-125.degree. C.Type: GrantFiled: September 14, 1990Date of Patent: July 14, 1992Assignee: Toho Titanium Co., Ltd.Inventors: Minoru Terano, Hirokazu Soga, Masuo Inoue
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Patent number: 4970186Abstract: A solid catalyst component prepared by admixing and reacting, with a reaction product which has been obtained by suspending diethoxymagnesium in an alkylbenzene and bringing the suspension into contact with titanium tetrachloride in an amount less than 1 in terms of volume ratio to the alkylbenzene, a phthaloyl dichloride at a temperature within the range between 80.degree. C. and 125.degree. C., washing the resultant solid substance with an alkylbenzene, and reacting the solid substance in the presence of an alkylbenzene with titanium tetrachloride in an amount less than 1 in terms of volume ratio to the alkylbenzene as well as an olefin polymerization catalyst which comprises (A) the above specified solid catalyst component, (B) a silicon compound of the general formula: SiR.sub.m (OR').sub.Type: GrantFiled: December 23, 1988Date of Patent: November 13, 1990Assignee: Toho Titanium Co., Ltd.Inventors: Minoru Terano, Hirokazu Soga, Masuo Inoue
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Patent number: 4847227Abstract: A solid catalyst component for olefin polymerization catalysts prepared by suspending diethoxymagnesium (a) in an aromatic hydrocarbon (b) which is liquid at normal temperature and bringing the suspension into a first contact with titanium tetrachloride (c) to form a product and bringing it into a second contact with tianium tetrachloride (c) in such manner that a diester (d) of an aromatic dicarboxylic acid and calcium chloride (e) are allowed to coexist at any stage of the above suspending and/or contacts, the calcium chloride (e) being used in an amount of 1-2 grams per gram of the diethoxymagnesium (a). This solid catalyst component exhibits, when applied to the polymerization of olefins, a surprisingly enhanced polymerization activity per titanium atom and a high stereospecific performance and scarcely necessitates any deashing treatment, thus affording a great economical advantage.Type: GrantFiled: October 8, 1987Date of Patent: July 11, 1989Assignee: Toho Titanium Co., Ltd.Inventors: Atsushi Murai, Minoru Terano, Kohei Kimura, Masuo Inoue, Katsuyoshi Miyoshi
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Patent number: 4839321Abstract: A solid catalyst component for olefin polymerization catalysts prepared by subjecting diethoxymagnesium (a), calcium chloride (b) and a silicon compound (c) of the general formula: Si(OR).sub.4 (wherein R is an alkyl or aryl group) together to a contact treatment in the presence of an organic solvent (d), suspending the treated composition in an aromatic hydrocarbon (e) which is liquid at normal temperature and bringing the suspension into a first contact with titanium tetrachloride (f) to form a product and bringing it to a second contact with titanium tetrachloride (f) in such manner that a diester (g) of an aromatic dicarboxylic acid is allowed to coexist at any stage of the above suspending and/or contacts with the exception of the contact treatment, the calcium chloride (b) being used in an amount of 1-2 g per gram of the diethoxymagnesium (a).Type: GrantFiled: January 7, 1988Date of Patent: June 13, 1989Assignee: Toho Titanium Co., Ltd.Inventors: Atsushi Murai, Minoru Terano, Kohei Kimura, Masuo Inoue
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Patent number: 4829037Abstract: A catalyst for the polymerization of olefins which exhibits a high catalytic activity and is capable of producing a stereoregular polymer in a high yield. The catalyst includes a catalyst component for the polymerization of olefins prepared by subjecting a solid composition obtained by a process comprising contacting dialkoxymagnesium, diester of aromatic dicarboxylic acid, aromatic hydrocarbon and titanium halide to a heat treatment in the presence or absence of a solvent; a silicon compound; and an organic aluminum compound.Type: GrantFiled: January 5, 1988Date of Patent: May 9, 1989Assignee: Toho Titanium Co., Ltd.Inventors: Minoru Terano, Hirokazu Soga, Kohei Kimura
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Patent number: 4816433Abstract: A solid catalyst component prepared by washing a solid substance, which has been obtained by reacting diethoxymagnesium (a) suspended in an alkylbenzene (b) with titanium tetrachloride (c) in an amount less than 1/2 of the alkylbenzene (b) in a ratio by volume and a phthalic diester (d) at a temperature within the range of 80.degree.-135.degree. C., with an alkylbenzene, and thereafter reacting the solid substance in a presence of an alkylbenzene (b) with titanium tetrachloride (c) in an amount less than 1/2 of the alkylbenzene (b) in a ratio by volume as well as an olefin polymerization catalyst comprising (A) the solid catalyst component specified above, (B) a silicon compound of the general formula:SiR.sub.m (OAlk).sub.Type: GrantFiled: July 2, 1987Date of Patent: March 28, 1989Assignee: Toho Titanium Co., Ltd.Inventors: Minoru Terano, Atsushi Murai, Masuo Inoue, Katsuyoshi Miyoshi
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Patent number: 4686200Abstract: A catalyst for the polymerization of olefins which comprises:(A) a solid catalyst component prepared by bringing a co-ground product of a substance (a) obtained by reacting magnesium with at least two molar proportion of an alkyl monohalide in the absence of a solvent but in the presence of iodine and a dialkyl phthalate (b) and optionally existing titanium tetrachloride (c) into contact with titanium tetrachloride in the presence or absence of an aromatic hydrocarbon and/or halohydrocarbon.(B) a 2,6-dialkyl- or 2,2,6,6-tetraalkyl-piperidine derivative, and(C) an organoaluminum compound selected from a trialkyl aluminum, a dialkylaluminum halide and an alkylaluminum dihalide, as well as the solid catalyst component (A) for the catalyst. This catalyst characterized by the use of the specific solid catalyst component exhibits a high polymerization activity combined with stereospecific performance over a prolonged polymerization time and is free from any problem of corrosion and odor in the resultant polymer.Type: GrantFiled: November 18, 1986Date of Patent: August 11, 1987Assignee: Toho Titanium Co., Ltd.Inventors: Minoru Terano, Hirokazu Soga, Masuo Inoue, Katsuyoshi Miyoshi
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Patent number: 4640906Abstract: A catalyst for the polymerization of olefins which comprises:(1) a solid catalyst component,(2) a piperidine derivative and(3) an organoaluminum compound,characterized in that the solid catalyst component (A) has been prepared by mixing (a) a dialkoxymagnesium and (b) a diester of an aromatic dicarboxylic acid with (c) a halogenated hydrocarbon to form a suspension and thereafter adding the suspension to (d) a titanium tetrahalide to effect reaction, as well as the solid catalyst component and a process for preparing same. The catalyst maintains a high polymerization activity combined with stereospecific performance over a prolonged polymerization time and scarcely incurs any problem of corrosion and odor in the resultant polymer.Type: GrantFiled: November 1, 1985Date of Patent: February 3, 1987Assignee: Toho Titanium Co., Ltd.Inventors: Minoru Terano, Yasushi Yokoyama, Masuo Inoue, Katsuyoshi Miyoshi