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公开(公告)号：US20230391970A1
公开(公告)日：2023-12-07
申请号：US18071531
申请日：2022-11-29
发明人： Kenji YAO , Ayu NAITO , Kazusei YOSHIDA , Yuko IWADATE , Masahiro OKI , Tetsuya TAGUCHI , Hirokazu HAMANO , Takahiro ISHIZUKA , Hideaki YOSHIKAWA
CPC分类号： C08J7/0423 , C08K7/18 , C08G73/0206 , C08K5/0091 , C08J2301/02 , C08J2391/06 , C08K2201/018 , C08K2201/013
摘要： A cellulosic particle contains cellulose as its base constituent. If hydrophobized silica particles are attached to the cellulosic particle, the percentage detachment upon sonication of the silica particles is 50% or less.
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公开(公告)号：US20230303781A1
公开(公告)日：2023-09-28
申请号：US17983410
申请日：2022-11-09
发明人： Kenji YAO , Kazusei YOSHIDA , Ayu NAITO , Yuko IWADATE , Takahiro ISHIZUKA , Tetsuya TAGUCHI , Hirokazu HAMANO , Masahiro OKI , Hideaki YOSHIKAWA
IPC分类号： C08J3/12 , C08J7/04 , C09D191/06 , C08K3/36 , C08K5/17
CPC分类号： C08J3/126 , C08J7/042 , C08K3/36 , C08K5/17 , C09D191/06 , C08J2301/10 , C08J2491/06
摘要： A cellulosic particle contains 90 parts by mass or more and 99.5 parts by mass or less of cellulose; and 0.5 parts by mass or more and 10 parts by mass or less of a cellulose derivative.
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公开(公告)号：US20220306818A1
公开(公告)日：2022-09-29
申请号：US17505647
申请日：2021-10-20
发明人： Kazusei YOSHIDA , Masahiro OKI , Hideaki YOSHIKAWA , Kenji YAO , Tetsuya TAGUCHI
摘要： Resin particles include mother particles containing a biodegradable resin and a plasticizer, in which an amount of a metal element having an ionic valence of 2 or more, obtained by fluorescent X-ray analysis, is 0.002% by mass or more and 2.0% by mass or less with respect to a total amount of the resin particles.
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公开(公告)号：US20240327618A1
公开(公告)日：2024-10-03
申请号：US18461482
申请日：2023-09-05
发明人： Satomi KASHIWAGI , Hirokazu HAMANO , Tetsuya TAGUCHI , Kenji YAO , Yuko IWADATE , Hideaki YOSHIKAWA
CPC分类号： C08L1/02 , C08J3/128 , C08J2301/12 , C08J2379/02
摘要： Cellulose particles contain cellulose as a main component. The cellulose particles have a kinetic friction coefficient of 0.42 or less, a bulk density of 0.40 g/cm3 or less, and a solidity of 50% or more.
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公开(公告)号：US20240262966A1
公开(公告)日：2024-08-08
申请号：US18365213
申请日：2023-08-03
发明人： Kenji YAO , Satomi KASHIWAGI , Shota MATOBA , Ayu NAITO , Kazusei YOSHIDA , Yuko IWADATE , Masahiro OKI , Takahiro ISHIZUKA , Hideaki YOSHIKAWA , Tetsuya TAGUCHI , Hirokazu HAMANO , Takeshi IWANAGA
IPC分类号： C08J3/12
CPC分类号： C08J3/126 , C08J2301/12 , C08J2305/02 , C08J2377/04
摘要： A cellulosic particle contains cellulose as its base constituent, and the percentage water absorption of the cellulosic particle measured by method B in ISO 15512:1999 is 11% or more and 20% or less.
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公开(公告)号：US20240262967A1
公开(公告)日：2024-08-08
申请号：US18366674
申请日：2023-08-07
发明人： Kenji YAO , Kazusei YOSHIDA , Ayu NAITO , Shota MATOBA , Satomi KASHIWAGI , Yuko IWADATE , Masahiro OKI , Takahiro ISHIZUKA , Takeshi IWANAGA , Hideaki YOSHIKAWA , Tetsuya TAGUCHI , Hirokazu HAMANO
CPC分类号： C08J3/128 , C08J7/04 , C08K3/22 , C08K3/26 , C08K5/098 , C08K5/175 , C08L1/02 , C08L1/10 , C08K2003/265
摘要： A cellulosic particle contains cellulose as its base constituent, and the intensity of sodium fluorescent x-rays from the cellulosic particle measured by x-ray fluorescence analysis is 0.015 kps or more and 0.1 kps or less.
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公开(公告)号：US20240261206A1
公开(公告)日：2024-08-08
申请号：US18448174
申请日：2023-08-11
发明人： Kenji YAO , Hideaki YOSHIKAWA , Takahiro ISHIZUKA , Shota MATOBA , Ayu NAITO , Satomi KASHIWAGI , Kazusei YOSHIDA , Yuko IWADATE , Masahiro OKI , Takeshi IWANAGA , Tetsuya TAGUCHI , Hirokazu HAMANO
CPC分类号： A61K8/731 , A61K8/36 , A61K8/361 , A61Q1/00 , A61Q1/04 , A61Q1/10 , A61Q17/04 , A61Q19/00 , C08K5/09 , A61K2800/412 , A61K2800/413
摘要： A cellulosic particle contains: cellulose as its base constituent; and at least one selected from the group consisting of a hydrocarbon ester and a ketone, and the amount of the hydrocarbon ester or ketone in the cellulosic particle is 3 ppm or more and 1000 ppm or less.
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公开(公告)号：US20230407084A1
公开(公告)日：2023-12-21
申请号：US17984871
申请日：2022-11-10
发明人： Kenji YAO , Yuko IWADATE , Satomi KASHIWAGI
CPC分类号： C08L67/04 , C08L1/12 , C08L2205/18 , C08L2201/06 , C08L1/14
摘要： A resin composition contains a biodegradable resin and cellulose particles that have a sphericity of 0.9 or more.
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公开(公告)号：US20210403660A1
公开(公告)日：2021-12-30
申请号：US17243734
申请日：2021-04-29
发明人： Masahiro OKI , Kenji YAO , Hideaki YOSHIKAWA , Takeshi IWANAGA , Kazusei YOSHIDA , Tetsuya TAGUCHI
摘要： A biodegradable resin particle, includes: a base particle containing a biodegradable resin; a first layer on a surface of the base particle, the first layer containing at least one cationic resin of a polyalkyleneimine, a polyallylamine and a polyvinylamine; and a second layer on the first layer, the second layer containing an anionic or nonionic hydrophobic compound.
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公开(公告)号：US20240327619A1
公开(公告)日：2024-10-03
申请号：US18542778
申请日：2023-12-18
发明人： Takeshi IWANAGA , Ayu NAITO , Kazusei YOSHIDA , Kenji YAO , Tetsuya TAGUCHI , Hirokazu HAMANO
CPC分类号： C08L1/02 , C08J3/128 , C08J2301/02
摘要： Cellulose particles each include: a base particle containing cellulose as a main component; and a coating layer that covers the base particle and contains a coating material other than a coupling agent. A coverage of the base particle with the coating layer is from 60% to 100% inclusive
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