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公开(公告)号：US20230202927A1
公开(公告)日：2023-06-29
申请号：US17926597
申请日：2021-05-11
Inventor： Natsuki SATO , Ryosuke SAWA , Tatsuro YOSHIOKA , Naoki KURIZOE , Tohru SEKINO , Tomoyo GOTO , Sunghun CHO , Yeongjun SEO
IPC: C04B35/053 , C04B35/628 , C04B35/645
CPC classification number: C04B35/053 , C04B35/62807 , C04B35/62886 , C04B35/645 , C04B2235/3206 , C04B2235/3445 , C04B2235/5454 , C04B2235/656 , C04B2235/9607
Abstract: Provided is an inorganic structure including a plurality of magnesium oxide particles; and a binding part that covers a surface of each of the magnesium oxide particles and binds the magnesium oxide particles together. The binding part contains an amorphous compound containing silicon, a metallic element other than silicon, and oxygen, and contains substantially no alkali metal, B, V, Te, P, Bi, Pb, and Zn. Also provided is a method for producing an inorganic structure including: a step for obtaining a mixture by mixing a plurality of magnesium oxide particles, a plurality of amorphous silicon dioxide particles, and an aqueous solution containing a metallic element other than silicon; and a step for pressurizing and heating the mixture under conditions of a pressure of 10 to 600 MPa and a temperature of 50 to 300° C.
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公开(公告)号：US20230183089A1
公开(公告)日：2023-06-15
申请号：US17926615
申请日：2021-05-17
Inventor： Natsuki SATO , Ryosuke SAWA , Naoki KURIZOE , Tatsuro YOSHIOKA , Tohru SEKINO , Tomoyo GOTO , Sunghun CHO , Yeongjun SEO
Abstract: Provided is a barium compound structure including: a plurality of first compound particles containing a barium compound that is crystalline and is different from barium sulfate; a binding part covering a surface of each of the plurality of first compound particles and containing barium sulfate that is crystalline; and a plurality of second compound particles containing a compound that contains silicon. The first compound particles are bound through at least one of the binding part or the plurality of second compound particles.
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公开(公告)号：US20240417330A1
公开(公告)日：2024-12-19
申请号：US18700746
申请日：2022-10-14
Inventor： Naoki KURIZOE , Ryosuke SAWA , Natsuki SATO , Tatsuro YOSHIOKA , Tohru SEKINO , Tomoyo GOTO , Sunghun CHO
IPC: C04B35/117 , C04B35/626 , C04B35/645
Abstract: Provided is a boehmite structure including a plurality of boehmite particles where adjacent boehmite particles are bonded to each other. In the boehmite structure, a boehmite crystallite size is 10 nm or less, and a porosity is 15% or less. Also provided is a method for producing the boehmite structure, including a mixing step of obtaining a mixture by mixing mechanochemically treated hydraulic alumina with a solvent including water, and a pressure heating step of pressurizing and heating the mixture under a condition of a pressure of 10 to 600 MPa and a temperature of 50 to 300° C.
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Patent Agency Ranking
公开(公告)号：US20240116823A1
公开(公告)日：2024-04-11
申请号：US18275793
申请日：2022-02-09
Inventor： Natsuki SATO , Ryosuke SAWA , Naoki KURIZOE , Tatsuro YOSHIOKA , Tohru SEKINO , Sunghun CHO , Tomoyo GOTO
IPC: C04B35/63 , C04B35/645
CPC classification number: C04B35/6303 , C04B35/645 , C04B2235/3217 , C04B2235/3232 , C04B2235/5204 , C04B2235/5436 , C04B2235/5454
Abstract: Provided is an inorganic structure including a plurality of inorganic particles; and a binding part that covers a surface of each of the plurality of inorganic particles and binds each of the plurality of inorganic particles together. The binding part contains: an amorphous compound containing at least one of aluminum or titanium, oxygen, and one or more metallic elements; and a plurality of fine particles having an average particle size of 100 nm or less. The plurality of inorganic particles has an average particle size of 1 μm or more, and the plurality of inorganic particles has a volume percentage of 30% or more.
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公开(公告)号：US20210128781A1
公开(公告)日：2021-05-06
申请号：US17086502
申请日：2020-11-02
Inventor： Natsuki SATO , Naoki KURIZOE , Tohru SEKINO , Sunghun CHO , Tomoyo GOTO , Yeongjun SEO
Abstract: A glass structure includes: a plurality of glass particles, each of the glass particles including SiO2, CaO and P2O5; and a bonding portion that bonds the glass particles to one another and contains hydroxyapatite, wherein at least a part of the hydroxyapatite is crystalline in the bonding portion, and wherein a porosity of the glass structure is 15% or less. A method for producing the glass structure includes: preparing a mixture by mixing a plurality of glass particles and an aqueous solution with each other, each of the glass particles including SiO2, CaO and P2O5, and the aqueous solution including calcium and phosphorus and having pH of 4.0 or more; and heating and pressurizing the mixture.
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公开(公告)号：US20230234855A1
公开(公告)日：2023-07-27
申请号：US17926891
申请日：2021-05-11
Inventor： Natsuki SATO , Ryosuke SAWA , Tatsuro YOSHIOKA , Naoki KURIZOE , Tohru SEKINO , Tomoyo GOTO , Sunghun CHO , Yeongjun SEO
IPC: C01B33/46
CPC classification number: C01B33/46
Abstract: Provided is an inorganic structure including a plurality of zirconium silicate particles; and a binding part that covers a surface of each of the zirconium silicate particles and binds the zirconium silicate particles together. The binding part contains an amorphous compound containing silicon, a metallic element other than silicon, and oxygen, and contains substantially no alkali metal, B, V, Te, P, Bi, Pb and Zn. Also provided is a method for producing an inorganic structure including: a step for obtaining a mixture by mixing a plurality of zirconium silicate particles, a plurality of amorphous silicon dioxide particles, and an aqueous solution containing a metallic element other than silicon; and a step for pressurizing and heating the mixture under conditions of a pressure of 10 to 600 MPa and a temperature of 50 to 300° C.
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公开(公告)号：US20230202932A1
公开(公告)日：2023-06-29
申请号：US17926601
申请日：2021-05-11
Inventor： Natsuki SATO , Ryosuke SAWA , Tatsuro YOSHIOKA , Naoki KURIZOE , Tohru SEKINO , Tomoyo GOTO , Sunghun CHO , Yeongjun SEO
IPC: C04B35/48 , C04B35/486 , C04B35/053 , C04B35/628 , C04B35/645
CPC classification number: C04B35/481 , C04B35/486 , C04B35/053 , C04B35/62807 , C04B35/62886 , C04B35/645 , C04B2235/3248 , C04B2235/3445 , C04B2235/3206 , C04B2235/656
Abstract: Provided is an inorganic structure including a plurality of inorganic particles; and a binding part that covers a surface of each of the inorganic particles and binds the inorganic particles together, wherein the binding part contains: an amorphous compound containing silicon, oxygen, and one or more metallic elements; and fine particles having an average particle size of 100 nm or less. Also provided is a method for producing an inorganic structure including: a step for obtaining a mixture by mixing a plurality of inorganic particles, a plurality of amorphous silicon dioxide particles, and an aqueous solution containing a metallic element; and a step for pressurizing and heating the mixture under conditions of a pressure of 10 to 600 MPa and a temperature of 50 to 300° C.
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公开(公告)号：US20230127313A1
公开(公告)日：2023-04-27
申请号：US17913207
申请日：2020-12-18
Inventor： Tatsuro YOSHIOKA , Natsuki SATO , Naoki KURIZOE , Ryosuke SAWA , Tohru SEKINO , Tomoyo GOTO
IPC: C04B35/581 , C04B35/626 , C04B35/645
Abstract: Provided is an aluminum nitride structure that includes a plurality of aluminum nitride particles, wherein aluminum nitride particles that are adjacent are bound to each other through a boehmite phase containing boehmite, and the porosity is 30% or less. Also provided is a method for producing an aluminum nitride structure that includes: obtaining a mixture by mixing an aluminum nitride powder with a solvent containing water; and pressurizing and heating the mixture under conditions of a pressure of 10 to 600 MPa and a temperature of 50 to 300° C.
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