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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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3.发明授权公开(公告)号：US11796928B2
公开(公告)日：2023-10-24
申请号：US17396061
申请日：2021-08-06
发明人： Kenta Shingu , Yoshiteru Yamada , Akihiro Kawasaki , Keisuke Kusano , Kohei Hashimoto , Yuto Okazaki , Takeshi Iwanaga , Wataru Yamada , Hirohito Yoneyama
CPC分类号： G03G5/0539 , G03G5/0672 , G03G5/06144 , G03G21/1803
摘要： An electrophotographic photosensitive member includes a conductive support and a photosensitive layer disposed on the conductive support. A top surface layer of the electrophotographic photosensitive member includes fluorine-containing resin particles, a fluorine-containing dispersant, and two or more charge transporting materials. When the charge transporting materials are listed in order of decreasing HOMO energy levels, a difference in HOMO energy level between each adjacent two of the charge The ratio A of the amount of each of the charge transporting materials to the total amount of the charge transporting materials satisfies the condition 1 below,
[(100/N)−(100/N×0.3)]≤A≤[(100/N)+(100/N×0.3)] Condition 1
where N represents the number of types of the charge transporting materials included in the top surface layer.-
公开(公告)号：US11787942B2
公开(公告)日：2023-10-17
申请号：US17591983
申请日：2022-02-03
CPC分类号： C08L79/08 , C08J9/26 , H01B3/306 , C08J2201/046 , C08J2367/02 , C08J2379/08 , C08L2203/16 , C08L2203/202 , C08L2205/18 , C08L2205/22 , C08L67/02 , C08L79/08 , C09D179/08 , C08L67/02
摘要： A polyimide precursor solution includes: a polyimide precursor; polyester resin particles containing a polyester resin and having a volume average particle diameter of from 3 μm to 50 μm inclusive and an average circularity of 0.970 or more; and a solvent.
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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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7.发明授权公开(公告)号：US11958939B2
公开(公告)日：2024-04-16
申请号：US17403011
申请日：2021-08-16
发明人： Kosuke Nakada , Shigeru Seitoku , Takeshi Iwanaga , Tomoyo Okubo , Hajime Sugahara , Hidekazu Hirose
CPC分类号： C08G73/1007 , C08J5/18 , C08J9/26 , C08J2379/08
摘要： A polyimide precursor solution contains: an aqueous solvent containing water; particles; and a polyimide precursor, wherein the polyimide precursor has a high molecular weight region A containing a high molecular weight side maximum value and a low molecular weight region B containing a low molecular weight side maximum value in an elution curve obtained by gel permeation chromatography, a weight average molecular weight in the high molecular weight region A is 50,000 or more, a weight average molecular weight in the low molecular weight region B is 10,000 or more and 30,000 or less, and a value of a/(a+b) is 0.60 or more and 0.98 or less in which a represents an area of the high molecular weight region A and b represents an area of the low molecular weight region B.
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公开(公告)号：US20220306913A1
公开(公告)日：2022-09-29
申请号：US17509222
申请日：2021-10-25
IPC分类号： C09J125/08 , C09J133/08 , C08K3/36 , C09J7/38 , C09J5/06
摘要： A method for producing pressure-responsive particles includes: adding an aggregating agent to a dispersion containing composite resin particles containing a styrene-based resin including a styrene compound and a vinyl monomer other than the styrene compound as polymer components and a (meth)acrylic acid ester-based resin including a (meth)acrylic acid ester compound as a polymer component to aggregate the composite resin particles so as to form aggregated particles A; forming a shell by adding an aggregating agent and styrene-based resin particles containing a styrene compound and a vinyl monomer other than the styrene compound as polymer components to a dispersion containing the aggregated particles A to aggregate the styrene-based resin particles so as to form aggregated particles B; and heating and fusing the aggregated particles B to form pressure-responsive particles. The amount of the styrene-based resin particles added in the formation of the shell is 5 mass % or more and 40 mass % or less relative to the total mass of the composite resin particles. The amount of the aggregating agent added in the formation of the shell is 0.1 mass % or more and 1.0 mass % or less relative to the total mass of the composite resin particles. The mass ratio of the styrene-based resin to the (meth)acrylic acid ester-based resin in the pressure-responsive particles is from 80:20 to 20:80. A difference between the lowest glass transition temperature and the highest glass transition temperature of resins contained in the pressure-responsive particles is 30° C. or more.
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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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10.发明申请公开(公告)号：US20220308473A1
公开(公告)日：2022-09-29
申请号：US17396061
申请日：2021-08-06
发明人： Kenta SHINGU , Yoshiteru Yamada , Akihiro Kawasaki , Keisuke Kusano , Kohei Hashimoto , Yuto Okazaki , Takeshi Iwanaga , Wataru Yamada , Hirohito Yoneyama
摘要： An electrophotographic photosensitive member includes a conductive support and a photosensitive layer disposed on the conductive support. A top surface layer of the electrophotographic photosensitive member includes fluorine-containing resin particles, a fluorine-containing dispersant, and two or more charge transporting materials. When the charge transporting materials are listed in order of decreasing HOMO energy levels, a difference in HOMO energy level between each adjacent two of the charge The ratio A of the amount of each of the charge transporting materials to the total amount of the charge transporting materials satisfies the condition 1 below, [(100/N)−(100/N×0.3)]≤A≤[(100/N)+(100/N×0.3)] Condition 1 where N represents the number of types of the charge transporting materials included in the top surface layer.
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