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公开(公告)号：US11090632B2
公开(公告)日：2021-08-17
申请号：US16363342
申请日：2019-03-25
IPC分类号： B01J21/00 , B01J21/08 , B01J21/06 , B01J31/12 , B01J31/06 , B01J35/00 , B01J35/02 , A61L9/20 , B01J31/38
摘要： A filter includes resin particles and photocatalyst particles having absorption at wavelengths of 450 nm and 750 nm in the visible absorption spectrum. The photocatalyst particles have a high photocatalytic function and are present on the surface of the resin particle. The filter is air permeable, transmits visible light, and has high deodorizing performance.
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公开(公告)号：US11040899B2
公开(公告)日：2021-06-22
申请号：US16518301
申请日：2019-07-22
摘要： A water purification member includes a porous body; and photocatalyst particles loaded on the porous body and including titanium-based compound particles that have, via an oxygen atom, a surface-bonded metallic compound having a metal atom and a hydrocarbon group, that exhibit absorption at a wavelength of 500 nm in a visible absorption spectrum, and that have an absorption peak in a range of 2700 cm−1 to 3000 cm−1 in an infrared absorption spectrum.
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公开(公告)号：US11083200B2
公开(公告)日：2021-08-10
申请号：US16255847
申请日：2019-01-24
发明人： Hiroyoshi Okuno , Hideaki Yoshikawa , Takeshi Iwanaga , Sakae Takeuchi , Yuka Zenitani , Yasuhiro Kusumoto
摘要： A plant protection agent includes a photocatalyst particle containing a titanium oxide compound. The surface of the photocatalyst particle is modified with a metal compound that includes a metal atom and a hydrocarbon group. The photocatalyst particle has absorption at a wavelength of 550 nm.
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公开(公告)号：US11535756B2
公开(公告)日：2022-12-27
申请号：US16448593
申请日：2019-06-21
发明人： Koji Sasaki , Hiroyoshi Okuno , Yoshifumi Iida , Yuka Zenitani , Masahiro Takayama , Masashi Ikeda , Shunsuke Nozaki
摘要： A method for producing a silica composite particle including a silica particle and at least one compound in which an aluminum atom bonds to an organic group through oxygen. The method includes: (i) providing a silica particle dispersion liquid having a silica particle content of about 20 mass % or more; (ii) mixing and reacting a compound represented by formula (S1) and the silica particle dispersion liquid to obtain a slurry; (iii) providing the at least one compound; and (iv) then mixing and reacting the slurry with the at least one compound to form the silica composite particle.
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公开(公告)号：US11148951B2
公开(公告)日：2021-10-19
申请号：US16358138
申请日：2019-03-19
发明人： Yuka Zenitani , Hiroyoshi Okuno , Hideaki Yoshikawa , Takeshi Iwanaga , Shunsuke Nozaki , Sakae Takeuchi
IPC分类号： C01B33/18
摘要： A silica-titania composite has a BET specific surface area, as determined by BET analysis of a water vapor adsorption isotherm, in the range of 250 m2/g to 500 m2/g and a contact angle with water of 100° or greater. In the water vapor adsorption isotherm, an adsorbed amount at relative pressure P/P0=0.1 is in a range of 65 cm3/g to 120 cm3/g, an adsorbed amount at relative pressure P/P0=0.5 is in a range of 150 cm3/g to 300 cm3/g, and an adsorbed amount at relative pressure P/P0=0.9 is in a range of 350 cm3/g to 500 cm3/g.
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公开(公告)号：US11045797B2
公开(公告)日：2021-06-29
申请号：US16379921
申请日：2019-04-10
摘要： A filter includes a filter medium having an average pore size of 1 to 5 mm, and photocatalyst particles deposited on the filter medium. The photocatalyst particle contains a titanium compound particle and a metal compound bonded to the surface of the titanium compound particle with an oxygen atom. The metal compound contains a metal atom and a hydrocarbon group. The titanium compound particle has absorption at wavelengths of 450 nm and 750 nm in the visible absorption spectrum of the titanium compound particle.
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公开(公告)号：US11547069B2
公开(公告)日：2023-01-10
申请号：US16528636
申请日：2019-08-01
IPC分类号： A01G31/02 , C02F1/72 , B01J21/06 , B01J21/08 , B01J35/00 , B01J35/10 , B01J35/02 , C02F1/30 , A01G31/00 , C02F103/26
摘要： Water purification particles have porous particles and photocatalyst particles formed of titanium-based compound particles that are supported on the porous particles, have absorption at a wavelength of 500 nm in a visible absorption spectrum, and have an absorption peak at 2,700 cm−1 to 3,000 cm−1 in an infrared absorption spectrum, and a metal compound having a metal atom and a hydrocarbon group is bonded to the surface of each of the titanium-based compound particles through an oxygen atom.
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