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公开(公告)号：US20240084469A1
公开(公告)日：2024-03-14
申请号：US18275509
申请日：2022-02-22
Applicant: Toho Titanium Co., Ltd.
Inventor： Takumi Kaneko , Yuta Nakajo , Daisuke Suzuki , Matsuhide Horikawa , Hideki Fujii
Abstract: A method for producing a titanium foil according to the present invention includes an electrodeposition step of performing electrolysis with electrodes including an anode and a cathode using a molten salt bath comprising titanium ions and having at least one molten chloride to deposit metal titanium onto an electrolytic surface of the cathode, wherein the electrodeposition step includes maintaining a ratio of a molar concentration of titanium ions to the total molar concentration of metal ions in the molten salt bath at 7% or more, and maintaining a temperature of the molten salt bath at 510° C. or less, and conducting a current to the electrodes under conditions where a continuous stop time of current conduction is less than 1.0 second, a current density is 0.10 A/cm2 or more and 1.0 A/cm2 or less, and a time for electrodepositing the metal titanium onto the electrolytic surface of the cathode is 120 minutes or less.
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公开(公告)号：US11649554B2
公开(公告)日：2023-05-16
申请号：US17267572
申请日：2019-07-18
Applicant: Toho Titanium Co., Ltd.
Inventor： Matsuhide Horikawa , Daisuke Suzuki , Haruka Yamamoto , Hideki Fujii
Abstract: A method for producing metal titanium by carrying out electrolysis using an anode and a cathode in a molten salt bath, the method using an anode containing metal titanium as the anode, the method comprising a titanium deposition step of depositing metal titanium on the cathode, wherein, in the titanium deposition step, a temperature of the molten salt bath is from 250° C. or more and 600° C. or less, and an average current density of the cathode in a period from the start to 30 minutes later of the titanium deposition step is maintained in a range of 0.01 A/cm2 to 0.09 A/cm2.
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公开(公告)号：US20230018757A1
公开(公告)日：2023-01-19
申请号：US17792441
申请日：2020-12-14
Inventor： Hideyuki TAKAHASHI , Seiichiro TANI , So FUKASAWA
IPC: C01G39/00 , C23C16/455 , C23C16/08
Abstract: Provided is a molybdenum oxychloride characterized in having a purity of 99.9995 wt % or higher. Additionally provided is a manufacturing method of a molybdenum oxychloride including the steps of reacting MoO3 and Cl2 and synthesizing the molybdenum oxychloride in a reaction chamber, and cooling the synthesized molybdenum oxychloride gas and precipitating the molybdenum oxychloride in a recovery chamber, wherein an impurity trap is provided between the reaction chamber and the recovery chamber, and impurities are removed with the impurity trap. An object of the present invention is to provide a high-purity molybdenum oxychloride and a manufacturing method therefor.
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公开(公告)号：US11554415B2
公开(公告)日：2023-01-17
申请号：US17040672
申请日：2019-03-18
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Yasuhiko Goto , Shogo Tsumagari , Takahiro Fuji
Abstract: A porous titanium-based sintered body, having a porosity of 45% to 65%, an average pore diameter of 5 μm to 15 μm, and a bending strength of 100 MPa or more. According to the present invention, a porous titanium-based sintered body having good pore diameter and porosity that are compatible with each other and having a high strength can be provided.
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公开(公告)号：US20210310140A1
公开(公告)日：2021-10-07
申请号：US17267572
申请日：2019-07-18
Applicant: Toho Titanium Co., Ltd.
Inventor： Matsuhide Horikawa , Daisuke Suzuki , Haruka Yamamoto , Hideki Fujii
Abstract: A method for producing metal titanium by carrying out electrolysis using an anode and a cathode in a molten salt bath, the method using an anode containing metal titanium as the anode, the method comprising a titanium deposition step of depositing metal titanium on the cathode, wherein, in the titanium deposition step, a temperature of the molten salt bath is from 250° C. or more and 600° C. or less, and an average current density of the cathode in a period from the start to 30 minutes later of the titanium deposition step is maintained in a range of 0.01 A/cm2 to 0.09 A/cm2.
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Patent Agency Ranking
公开(公告)号：US11008408B2
公开(公告)日：2021-05-18
申请号：US16088158
申请日：2017-03-23
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Hiroyuki Kono , Shingo Yamada , Toshiya Uozumi
Abstract: There is provided a novel alkoxymagnesium which, when used as a constituent of a solid catalyst component for olefin polymerization to polymerize an olefin, may reduce the formation rate of a fine powder and may form a polymer having an excellent particle size distribution under high polymerization activity. The alkoxymagnesium is characterized by comprising secondary particles each of which is an aggregate of primary particles having an average particle diameter of less than 1 μm and by having a ratio represented by the average particle diameter of the primary particles/the average particle diameter of the secondary particles of 0.1 or less, a total pore volume of 0.5 to 1 cm3/g, a specific surface area of less than 50 m2/g, and a particle size distribution index (SPAN) 1 or less.
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公开(公告)号：US10457755B2
公开(公告)日：2019-10-29
申请号：US15109611
申请日：2014-08-04
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Toshihiko Sugano , Toshiya Uozumi , Motoki Hosaka
IPC: C08F4/649 , C08F297/08 , C08F110/06
Abstract: High stereoregularity, highly active catalytic performance, and good hydrogen response can be obtained by homopolymerizing propylene in the presence of a catalyst that includes a solid catalyst component including titanium, magnesium, a halogen, a carbonate compound represented by the following formula, and a diether compound. Excellent polymerization behavior can also be obtained when effecting random copolymerization or block copolymerization. R1—O—C(═O)—O—Z—O—R2 (1) wherein R1 and R2 are a hydrocarbon group or a substituted hydrocarbon group having 1 to 24 carbon atoms, or a heteroatom-containing group, provided that R1 and R2 are either identical or different, and Z is a linking group that links two oxygen atoms through a carbon atom or a carbon chain.
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公开(公告)号：US20190233569A1
公开(公告)日：2019-08-01
申请号：US16338517
申请日：2017-10-03
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Hidetoshi Umebayashi
IPC: C08F297/08
CPC classification number: C08F297/083 , C08F4/654 , C08F10/06
Abstract: A solid catalyst component for polymerization of olefins is disclosed which can produce a polymer having low stickiness (tackiness) of polymer particles, excellent flowability, and favorable particle size distribution. The solid catalyst component for polymerization of olefins includes titanium, magnesium, a halogen atom and an internal electron donor, wherein the solid catalyst component has a multimodal pore volume distribution measured by a mercury intrusion method and has one or more peak tops in each of a pore radius range from 0.002 μm to 1 μm and a pore radius range from larger than 1 μm to 30 μm or smaller, and a ratio represented by pore volume V1 derived from pores in the radius range from 0.002 μm to 1 μm/pore volume V2 derived from pores in the radius range from larger than 1 μm to 30 μm or smaller is 0.30 to 0.65.
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公开(公告)号：US20190112408A1
公开(公告)日：2019-04-18
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: C08F297/08 , C08F210/06 , C08F4/654 , C08F297/06
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：US20190023820A1
公开(公告)日：2019-01-24
申请号：US15773278
申请日：2016-10-28
Applicant: TOHO TITANIUM CO., LTD.
Inventor： Hiroyuki Kono , Takahiro Masuyama , Shinta Marui , Toshiya Uozumi
IPC: C08F110/06
Abstract: It is intended to provide a method for producing a catalyst for olefin polymerization which exhibits excellent catalytic activity in a polymerization treatment and permits production of a polymer excellent in stereoregularity, melt flowability, etc., even when the polymerization catalyst is prepared in an inert gas atmosphere by using a solid catalytic component comprising an electron-donating compound other than a phthalic acid ester. The method for producing a catalyst for olefin polymerization comprises performing a pre-contact treatment of bringing a solid catalytic component (A) comprising a magnesium atom, a titanium atom, a halogen atom and an electron-donating compound having no phthalic acid ester structure, a specific organoaluminum compound (B) and an external electron-donating compound (C) into contact with each other at a temperature of lower than 15° C. for a time of 30 minutes or shorter in the absence of the olefin.
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