Patents by Inventor Kazuo Takaoki
Kazuo Takaoki 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: 9695260Abstract: A method for producing an olefin block polymer, the method includes: polymerizing olefin using a polymerization catalyst (X), a polymerization catalyst (Y), and an organometallic compound (C) having an atom of any of Groups 2, 12, and 13 of the periodic table of the elements, the organometallic compound (C) excluding an activating co-catalyst agent (B), wherein: the polymerization catalyst (X) is formed by bringing a transition metal compound (A-X) represented by a general formula (1-X) into contact with an activating co-catalyst agent (B); and the polymerization catalyst (Y) is formed by bringing a transition metal compound (A-Y) represented by a general formula (1-Y) into contact with the activating co-catalyst agent (B). [Chem.Type: GrantFiled: May 30, 2014Date of Patent: July 4, 2017Assignee: Sumitomo Chemical Company, LimitedInventors: Koji Ishiwata, Kazuo Takaoki, Kazuyuki Ito
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Patent number: 9593194Abstract: A method for producing an olefin block polymer, the method including: polymerizing olefins using a polymerization catalyst (X) and an organometallic compound (C) containing an atom of any of Groups 2, 12, and 13 of the periodic table of the elements, the organometallic compound (C) excluding an activating co-catalyst agent (B), wherein the polymerization catalyst (X) is formed by bringing a transition metal compound (A) into contact with the activating co-catalyst agent (B), the transition metal compound (A) is represented by the following general formula (1), and the activating co-catalyst agent (B) is selected from among an organoaluminumoxy compound (B-1), an organoboron compound (B-2), a zinc co-catalyst component (B-3), and ion-exchange layered silicate (B-4).Type: GrantFiled: February 10, 2014Date of Patent: March 14, 2017Assignee: Sumitomo Chemical Company, LimitedInventors: Koji Ishiwata, Masato Takano, Kazuo Takaoki
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Publication number: 20140275429Abstract: A method for producing an olefin block polymer, the method includes: polymerizing olefin using a polymerization catalyst (X), a polymerization catalyst (Y), and an organometallic compound (C) having an atom of any of Groups 2, 12, and 13 of the periodic table of the elements, the organometallic compound (C) excluding an activating co-catalyst agent (B), wherein: the polymerization catalyst (X) is formed by bringing a transition metal compound (A-X) represented by a general formula (1-X) into contact with an activating co-catalyst agent (B); and the polymerization catalyst (Y) is formed by bringing a transition metal compound (A-Y) represented by a general formula (1-Y) into contact with the activating co-catalyst agent (B). [Chem.Type: ApplicationFiled: May 30, 2014Publication date: September 18, 2014Applicant: Sumitomo Chemical Company, LimitedInventors: Koji ISHIWATA, Kazuo TAKAOKI, Kazuyuki ITO
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Publication number: 20140163173Abstract: A method for producing an olefin block polymer, the method including: polymerizing olefins using a polymerization catalyst (X) and an organometallic compound (C) containing an atom of any of Groups 2, 12, and 13 of the periodic table of the elements, the organometallic compound (C) excluding an activating co-catalyst agent (B), wherein the polymerization catalyst (X) is formed by bringing a transition metal compound (A) into contact with the activating co-catalyst agent (B), the transition metal compound (A) is represented by the following general formula (1), and the activating co-catalyst agent (B) is selected from among an organoaluminumoxy compound (B-1), an organoboron compound (B-2), a zinc co-catalyst component (B-3), and ion-exchange layered silicate (B-4).Type: ApplicationFiled: February 10, 2014Publication date: June 12, 2014Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Koji ISHIWATA, Masato TAKANO, Kazuo TAKAOKI
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Patent number: 8383848Abstract: A transition metal compound represented by the formula (1-1) or the formula (1-2) (M is a transition metal atom) and a process for producing a catalyst for olefin polymerization comprising a step of bringing the transition metal compound into contact with a co-catalytic component for activation.Type: GrantFiled: June 29, 2011Date of Patent: February 26, 2013Assignee: Sumitomo Chemical Company, LimitedInventors: Hidenori Hanaoka, Masato Takano, Naoko Ochi, Kazuo Takaoki, Kazuyuki Ito, Masayuki Hasegawa
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Patent number: 8357765Abstract: A production process of a contact product, which can be used as a polymerization catalyst component, comprising contacting a compound defined by a specific formula, such as diethyl zinc, with a compound defined by a specific formula, such as pentafluorobutyric acid; a production process of a polymerization catalyst, comprising contacting the polymerization catalyst component with a transition metal compound; and a production process of a polymer, comprising polymerizing an addition-polymerizable monomer in the presence of the polymerization catalyst.Type: GrantFiled: July 19, 2011Date of Patent: January 22, 2013Assignee: Sumitomo Chemical Company, LimitedInventors: Kazuyuki Ito, Kazuo Takaoki
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Publication number: 20120316310Abstract: The present invention relates to an ethylene-?-olefin copolymer comprising monomer units derived from ethylene and monomer units derived from an ?-olefin having from 3 to 20 carbon atoms, wherein the copolymer has a melt flow rate of 0.01 to 100 g/10 min, a density of 860 to 970 kg/m3, a molecular weight distribution of 5.5 to 12, and an activation energy of flow of 50 to 100 kJ/mol, and when the maximum take-up rate of the copolymer at 150° C. is represented by MTV150 and the maximum take-up rate of the copolymer at 190° C. is represented by MTV190, MTV150 is 40 m/min or more, and the ratio of MTV150 to MTV190 is 1 or less.Type: ApplicationFiled: December 3, 2010Publication date: December 13, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Jumma Nomura, Kazuo Takaoki, Takeshi Hatakeyama, Yoshinobu Nozue, Yasutoyo Kawashima
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Publication number: 20120264889Abstract: A production process of an olefin polymerization catalyst, comprising steps of (1) contacting a defined zinc compound, Zn(L1)2, with a defined halogenated alcohol, thereby forming a zinc atom-containing compound, and (2) contacting the zinc atom-containing compound with a defined transition metal compound and an optional organoaluminum compound; and a production process of an olefin polymer using such an olefin polymerization catalyst.Type: ApplicationFiled: December 14, 2010Publication date: October 18, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuo Takaoki, Takahiro Hino
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Patent number: 8288490Abstract: A production process of a contact product, which can be used as a polymerization catalyst component, comprising contacting a metal oxide such as zinc oxide with a compound defined by a specific formula such as trifluoroacetic acid; a production process of a polymerization catalyst, comprising contacting the polymerization catalyst component with a transition metal compound; and a production process of a polymer, comprising polymerizing an addition-polymerizable monomer in the presence of the polymerization catalyst.Type: GrantFiled: July 6, 2011Date of Patent: October 16, 2012Assignee: Sumitomo Chemical Company, LimitedInventors: Kazuyuki Ito, Kazuo Takaoki
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Publication number: 20120053311Abstract: A production process of a contact product, which can be used as a polymerization catalyst component, comprising contacting a compound defined by a specific formula, such as diethyl zinc, with a compound defined by a specific formula, such as pentafluorobutyric acid; a production process of a polymerization catalyst, comprising contacting the polymerization catalyst component with a transition metal compound; and a production process of a polymer, comprising polymerizing an addition-polymerizable monomer in the presence of the polymerization catalyst.Type: ApplicationFiled: July 19, 2011Publication date: March 1, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuyuki ITO, Kazuo TAKAOKI
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Publication number: 20120053306Abstract: A production process of a contact product, which can be used as a polymerization catalyst component, comprising contacting a metal oxide such as zinc oxide with a compound defined by a specific formula such as trifluoroacetic acid; a production process of a polymerization catalyst, comprising contacting the polymerization catalyst component with a transition metal compound; and a production process of a polymer, comprising polymerizing an addition-polymerizable monomer in the presence of the polymerization catalyst.Type: ApplicationFiled: July 6, 2011Publication date: March 1, 2012Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuyuki ITO, Kazuo TAKAOKI
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Publication number: 20110319578Abstract: A transition metal compound represented by the formula (1-1) or the formula (1-2) (M is a transition metal atom) and a process for producing a catalyst for olefin polymerization comprising a step of bringing the transition metal compound into contact with a co-catalytic component for activation.Type: ApplicationFiled: June 29, 2011Publication date: December 29, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hidenori HANAOKA, Masato TAKANO, Naoko OCHI, Kazuo TAKAOKI, Kazuyuki ITO, Masayuki HASEGAWA
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Publication number: 20110144274Abstract: A process for producing an olefin polymerization catalyst, comprising steps of (1) contacting a defined amount of a zinc compound represented by the defined formula, Zn(L1)2, with a defined amount of a halogenated alcohol represented by the defined formula, R1R2R3C—OH, thereby forming a zinc atom-containing compound, and (2) contacting the zinc atom-containing compound, a solid catalyst component containing a titanium atom, a magnesium atom and a halogen atom, an organoaluminum compound, and an external electron donor with one another; and a production process of an olefin polymer, comprising a step of polymerizing an olefin in the presence of an olefin polymerization catalyst produced by the above process.Type: ApplicationFiled: November 17, 2010Publication date: June 16, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Kazuo TAKAOKI, Kenji ATARASHI, Kenichiro YADA
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Publication number: 20100280197Abstract: A process for producing a modified particle, which involves the step of contacting with one another compounds (a), (b) and (c) represented by the defined general formulas M1L1m, R1t-1TH and H2O, respectively, and a particle (d), in which M1 is a metal atom of Group 1, 2, 12, 14 or 15 of the periodic table, m is a valence of M1, L1 is a hydrogen atom, a halogen atom or a hydrocarbon group, which may be the same or different when plural L1's exist, R1 is an electron-withdrawing group or an electron-withdrawing group-containing group, which may be the same or different when plural R1's exist, T is a non-metal atom of Group 15 or 16 of the periodic table, and t is a valence of T; and a particle (d), wherein the compound (a) to (c) and the particle (d) are contacted in defined orders and in defined solvents; a carrier comprising said modified particle; a catalyst component for addition polymerization comprising said modified particle; a catalyst for addition polymerization using said catalyst component; and a procType: ApplicationFiled: July 13, 2010Publication date: November 4, 2010Inventors: Kazuo TAKAOKI, Takuya Ogane, Hideki Oshima, Yasuki Fujiwara, Kenichiro Yada, Masatada Tasaka
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Patent number: 7410925Abstract: A metal compound obtained by a process comprising the step of contacting, in a specific ratio, a compound represented by the formula BiL1r, a compound represented by the formula R1s-1TH, and a compound represented by the formula R23-nJ(OH)n; a catalyst component for addition polymerization comprising the metal compound; a catalyst for addition polymerization using the catalyst component; and a process for producing an addition polymer using the catalyst.Type: GrantFiled: October 4, 2005Date of Patent: August 12, 2008Assignee: Sumitomo Chemical Company, LimitedInventor: Kazuo Takaoki
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Patent number: 7220805Abstract: There are provided (1) a process for producing a contact product, which comprises the step of contacting at least a phthalocyanine complex, a porphyrin complex, or their combination with a surfactant; (2) a catalyst component for addition polymerization, which comprises said contact product; (3) a process for producing a catalyst for addition polymerization, which comprises the step of contacting said catalyst component, a compound of a metal atom of Groups 3 to 12 or the lanthanide series, and an optional organoaluminum compound with one another; and (4) a process for producing an addition polymer, which comprises the step of polymerizing an addition polymerizable monomer in the presence of said catalyst.Type: GrantFiled: January 12, 2005Date of Patent: May 22, 2007Assignee: Sumitomo Chemical Company, LimitedInventor: Kazuo Takaoki
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Patent number: 7202316Abstract: A modified particle obtained by a process containing contacting a Bi compound, a compound having an electron-withdrawing group and an active hydrogen and particle; and a catalyst component for addition polymerization containing the modified particle; a catalyst for addition polymerization prepared by a process containing contacting the modified particle (A) and a transition metal compound of Groups 3 to 11 or lantanide series (B); and a catalyst for addition polymerization prepared by a process containing contacting the modified particle (A) and a transition metal compound of Groups 3 to 11 or lantanide series (B) and an orbanoaluminum compound (C); and a process for producing an addition polymer with the catalyst.Type: GrantFiled: September 22, 2003Date of Patent: April 10, 2007Assignee: Sumitomo Chemical Company, LimitedInventor: Kazuo Takaoki
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Patent number: 7186667Abstract: A catalyst component obtained by a process comprising contacting (a), (b) and (c) described below, a catalyst for addition polymerization using the catalyst component, and a process for producing an addition polymer with the catalyst for addition polymerization: (a) a compound represented by the chemical formula, BiL1r, (b) a compound represented by the chemical formula, R1s-1T1H, and (c) a compound represented by the chemical formula, R2t-2T2H2, wherein r is a numeral corresponding to a valence of Bi; L1 is a hydrogen atom, a halogen atom, a hydrocarbon group or a hydrocarbon oxy group; T1 and T2 independently represents a non-metallic atom of Group 15 or 16 of the periodic table; s represents a numeral corresponding to a valence of T1; t represents a numeral corresponding to a valence of T2; R1 is an electron-withdrawing group or an electron-withdrawing group-containing group; and R2 represents a hydrocarbon group.Type: GrantFiled: December 23, 2003Date of Patent: March 6, 2007Assignee: Sumitomo Chemical Company, LimitedInventors: Kazuo Takaoki, Yoshiya Okado
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Patent number: 7115539Abstract: A metal compound obtained by a process comprising the step of contacting, in a specific ratio, a compound represented by the formula M1L1r, a compound represented by the formula R1s?1TH, and a compound represented by the formula R24?nJ(OH)n; a catalyst component for addition polymerization comprising the metal compound; a catalyst for addition polymerization using the catalyst component; and a process for producing an addition polymer using the catalyst.Type: GrantFiled: January 9, 2004Date of Patent: October 3, 2006Assignee: Sumitomo Chemical Company LimitedInventors: Kazuo Takaoki, Hideki Oshima, Makoto Satoh
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Patent number: 7084219Abstract: A contact product obtained by a process comprising the step of contacting a compound (a) represented by the formula, M1L1r, a compound (b) represented by the formula, R1s-1T1H, a compound (c) represented by the formula, R2t-2T2H2, and a nonionic surfactant (d) having no active hydrogen; a catalyst component for addition polymerization comprising said contact product; a catalyst for addition polymerization obtained by a process comprising the step of contacting said catalyst component with a compound of a metal selected from the group consisting of metals of the Groups 3 to 12 and Lanthanide Series of the Periodic Table, and optionally an organoaluminum compound; and a process for producing an addition polymer comprising the step of polymerizing an addition polymerizable monomer in the presence of said catalyst.Type: GrantFiled: January 20, 2004Date of Patent: August 1, 2006Assignee: Sumitomo Chemical Company, LimitedInventor: Kazuo Takaoki