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公开(公告)号：US20210040245A1
公开(公告)日：2021-02-11
申请号：US16977599
申请日：2019-01-25
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Toshiya Uozumi , Tetsuya Morioka , Keiichi Kurosaki , Teppei Ishikawa
IPC: C08F10/06 , C08F297/08
Abstract: Provided is a novel olefin polymer which is excellent in lightness and moldability, has high rigidity and yields molded products excellent in flexural elasticity. The olefin polymer includes a propylene initial polymerization product formed in the presence of an olefin polymerization catalyst which is a contact reaction product of an olefin polymerization solid catalyst component containing a titanium atom, a magnesium atom, a halogen atom and an internal electron donating compound, at least one organoaluminum compound selected from the compounds of the general formula (I), and a first external electron donating compound; and a polypropylene part formed of a propylene polymerization product formed in the presence of the olefin polymerization catalyst and a second external electron donating compound higher in adsorption to the surface of the olefin polymerization solid catalyst component than the first external electron donating compound.
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92.发明申请公开(公告)号：US20200217383A1
公开(公告)日：2020-07-09
申请号：US16648803
申请日：2018-07-27
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Daisuke Taki , Hideki Sakai
Abstract: Provided is an alkali metal titanate which, when used as a constituent material of a friction material, is excellent in heat resistance and friction force and capable of effectively suppressing wear of a mating material disposed to face the friction material. The alkali metal titanate includes a sodium atom and a silicon atom. The content of the sodium atom is 2.0 to 8.5 mass %. The content of the silicon atom is 0.2 to 2.5 mass %. The ratio of the content of an alkali metal atom other than the sodium atom to the content of the sodium atom is 0 to 6.
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公开(公告)号：US10479856B2
公开(公告)日：2019-11-19
申请号：US16213349
申请日：2018-12-07
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Masafumi Imai , Toshihiko Sugano , Toshiya Uozumi , Yuta Haga
IPC: C08F297/06 , C08F4/654 , C08F297/08 , C08F210/06
Abstract: A method for producing a propylene-based block copolymer produces a propylene-based copolymer that exhibits excellent stereoregularity, rigidity, and impact resistance in a convenient and efficient manner while achieving high polymerization activity. The method for producing a propylene-based block copolymer includes bringing a catalyst into contact with propylene, or propylene and an α-olefin, and bringing an electron donor compound into contact with the resulting product to produce a propylene-based block copolymer, the catalyst including a solid catalyst component that includes titanium, magnesium, a halogen, and an internal electron donor compound, a specific organoaluminum compound, and a specific external electron donor compound.
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公开(公告)号：US20190292630A1
公开(公告)日：2019-09-26
申请号：US16302478
申请日：2017-05-12
Inventor： Kota NAKASHIMA , Akira YOSHIMURA , Seiichiro TANI
Abstract: An object of the present invention is to recover a minor metal and/or rare-earth metal.The present invention provides a method for recovering a minor metal and/or rare-earth metal from a post-chlorination residue in titanium smelting.The minor metal and/or rare-earth metal is one or more metal selected from the group consisting of Sc, V, Nb, Zr, Y, La, Ce, Pr, and Nd.
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公开(公告)号：US10364160B2
公开(公告)日：2019-07-30
申请号：US15307274
申请日：2015-03-11
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Mamoru Nakashima , Hideki Sakai , Daisuke Taki
IPC: C01G23/00
Abstract: A method for producing a potassium titanate easily produces a potassium titanate having a high single phase ratio and a significantly reduced fibrous potassium titanate content in high yield. The method for producing a potassium titanate includes: a mixing step that mixes a titanium raw material with a potassium raw material, the titanium raw material including 0 to 60 mass % of titanium oxide having a specific surface area of 1 to 2 m2/g, 40 to 100 mass % of titanium oxide having a specific surface area of 7 to 200 m2/g, and 0 to 4.5 mass % in total of one or more materials selected from titanium metal and titanium hydride, and the potassium raw material including a potassium compound; a calcination step that calcines a raw material mixture obtained by the mixing step at a calcination temperature of 950 to 990° C.; and a grinding step that grinds a calcined powder obtained by the calcination step using one or more means selected from a vibrating mill and an impact pulverizer.
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Patent Agency Ranking
公开(公告)号：US20180371120A1
公开(公告)日：2018-12-27
申请号：US15634410
申请日：2017-06-27
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Motoki Hosaka , Toshihiko Sugano , Tsutomu Uzawa
Abstract: A method for producing a solid catalyst for olefin (co)polymerization includes bringing into contact with each other a magnesium compound, a tetravalent titanium halide compound, an organic compound represented the following general formula (1) R1k(C6H4-k)(COOR2)(COOR3) (1) and an organic compound represented the following general formula (2) R4R5C═C (COOR6)(COOR7) (2) wherein R1 is a halogen atom or an alkyl group, R2 and R3 are a linear alkyl group, R4 and R5 are independently an atom or group selected from a hydrogen atom, halogen, a linear alkyl group, a branched alkyl group a vinyl group, a linear or branched alkenyl group, a cycloalkenyl group, an aromatic hydrocarbon group, and R6 and R7 are independently a linear alkyl group, a branched alkyl group, a vinyl group, a linear or branched alkenyl group a cycloalkyl group, a cycloalkenyl group, or an aromatic hydrocarbon group.
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公开(公告)号：US20180105897A1
公开(公告)日：2018-04-19
申请号：US15792802
申请日：2017-10-25
Applicant: TOHO TITANIUM CO., LTD. , Sanyo Special Steel Co., Ltd.
Inventor： Osamu KANOU , Satoshi SUGAWARA , Hideo TAKATORI
CPC classification number: C22C1/0458 , B22F3/14 , B22F3/20 , B22F9/023 , C22C14/00
Abstract: A titanium alloy containing copper, which cannot be realized by a conventional method, is provided, having a composition in which copper is contained in titanium with no segregation, and having improved strength and hardness. In addition a method is also provided, in which the titanium alloy is produced at lower cost than in a conventional method. The α+β or β titanium alloy contains copper at 1 to 10 mass %, has a crystal phase of β and α phase or of β phase, is formed of crystal particles not more than 100 μm, and has a copper concentration per an arbitrary specified 1 mm3 portion of the crystal phase at within ±40% compared to another arbitrary specified portion. The α+β or β titanium alloy is produced by mixing 1 to 10 mass % of copper powder and the remainder of titanium alloy powder and then pressing and forming while being heated. The method for production of the α+β or β titanium alloy has a step of mixing 1 to 10 mass % of copper powder and the remainder of titanium alloy powder and a step of pressing and forming the mixture while being heated.
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公开(公告)号：US20180021854A1
公开(公告)日：2018-01-25
申请号：US15552540
申请日：2016-02-17
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Nobuo FUKADA , Osamu KANOU , Shigehisa TAKENAKA
Abstract: Provided are a titanium-based powder excellent in fluidity and shape retention property, and an ingot and a sintered article obtained using the titanium-based powder as a material. The titanium-based powder has an average circularity of 0.815 or more and less than 0.870, a CV value of particle sizes of 22 or more and 30 or less, and an angle of repose of 29 degrees or more and 36 degrees or less.
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99.发明申请公开(公告)号：US20170369608A1
公开(公告)日：2017-12-28
申请号：US15542723
申请日：2016-01-18
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Hiroyuki Kono , Toshiya Uozumi , Shingo Yamada , Toshihiko Sugano
IPC: C08F110/06
CPC classification number: C08F110/06 , C08F4/654 , C08F10/00
Abstract: A method for producing an olefin polymerization catalyst includes bringing a solid catalyst component for olefin polymerization, a vinylsilane compound, an organosilicon compound, and an organoaluminum compound into contact with each other in an inert organic solvent under an inert gas atmosphere in the absence of a specific vinyl compound, wherein a washing treatment is not performed after the vinylsilane compound has been added to the reaction system, the solid catalyst component includes a magnesium compound, a titanium halide compound, and an electron donor compound that does not include a phthalic acid ester structure, and includes a diol skeleton, and the organosilicon compound does not include a vinyl group, and includes at least one group selected from an alkoxy group and an amino group.
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公开(公告)号：US20170246680A1
公开(公告)日：2017-08-31
申请号：US15460260
申请日：2017-03-16
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Takashi ODA , Hisamune TANAKA , Takeshi SHIRAKI , Norio YAMAMOTO
IPC: B22D7/00 , B22D9/00 , B22D21/00 , B22D11/00 , B22D11/04 , B22D11/041 , B22D11/124 , B22D11/14 , B22D41/015 , F27D3/14 , F27B14/08 , F27B14/14 , F27B14/06 , F27D11/12 , B22D7/06
CPC classification number: B22D7/005 , B22D7/06 , B22D7/064 , B22D9/006 , B22D11/001 , B22D11/0403 , B22D11/0406 , B22D11/041 , B22D11/055 , B22D11/124 , B22D11/1243 , B22D11/1245 , B22D11/141 , B22D11/147 , B22D21/005 , B22D41/015 , B22D47/00 , F27B7/00 , F27B14/06 , F27B14/0806 , F27B14/14 , F27B19/04 , F27B2014/008 , F27B2014/0812 , F27B2014/0818 , F27D3/14 , F27D11/12
Abstract: In production of a reactive metal using a melting furnace for producing metal having a hearth, ingots can be efficiently produced by efficiently cooling the ingots extracted from the mold provided in the melting furnace. In addition, an apparatus structure in which multiple ingots can be produced with high efficiency and high quality from one hearth, is provided. A melting furnace for producing metal is provided, the furnace has a hearth for having molten metal formed by melting raw material, a mold in which the molten metal is poured, an extracting jig which is provided below the mold for extracting ingot cooled and solidified downwardly, a cooling member for cooling the ingot extracted downwardly of the mold, and an outer case for keeping the hearth, the mold, the extracting jig, and the cooling member separated from the air, wherein at least one mold and extracting jig are provided in the outer case, and the cooling member is provided between the outer case and the ingot, or between the multiple ingots.
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