公开(公告)号：US20240325258A1

公开(公告)日：2024-10-03

申请号：US18444627

申请日：2024-02-17

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Shota MATOBA ,  Masahiro OKI ,  Takahiro ISHIZUKA ,  Kenji YAO ,  Tetsuya TAGUCHI ,  Hirokazu HAMANO

IPC: A61K8/02 ,  A61K8/36 ,  A61K8/44 ,  A61K8/73 ,  A61Q19/00

CPC classification number: A61K8/0245 ,  A61K8/361 ,  A61K8/442 ,  A61K8/731 ,  A61K8/735 ,  A61K8/736 ,  A61Q19/00 ,  A61K2800/10

Abstract: A cellulose particle includes a mother particle containing cellulose as a main component, a first coating layer containing at least one polysaccharide selected from the group consisting of a basic polysaccharide and a salt of the basic polysaccharide, the first coating layer being provided on a surface of the mother particle, and a second coating layer containing at least one hydrophobic compound selected from a fatty acid, a fatty acid metal salt, an acylated amino acid, or an acylated amino acid salt, the second coating layer being provided on the first coating layer.

公开(公告)号：US20240325257A1

公开(公告)日：2024-10-03

申请号：US18459442

申请日：2023-09-01

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Takahiro ISHIZUKA ,  Masahiro OKI ,  Shota MATOBA ,  Kenji YAO ,  Tetsuya TAGUCHI ,  Hirokazu HAMANO

IPC: A61K8/02 ,  A61K8/36 ,  A61K8/44 ,  A61K8/73 ,  A61K8/81

CPC classification number: A61K8/0241 ,  A61K8/361 ,  A61K8/44 ,  A61K8/73 ,  A61K8/731 ,  A61K8/732 ,  A61K8/733 ,  A61K8/8147 ,  A61K2800/622 ,  A61K2800/624 ,  A61K2800/63 ,  A61K2800/654

Abstract: A cellulose particle includes: a base particle containing cellulose as a main component; a first coating layer disposed on a surface of the base particle and containing a multivalent metal salt of an acid functional group-containing resin; and a second coating layer disposed on the first coating layer and containing at least one hydrophobic compound selected from fatty acids, multivalent metal salts of fatty acids, amino acid compounds, and multivalent metal salts of amino acid compounds.

公开(公告)号：US20230250241A1

公开(公告)日：2023-08-10

申请号：US17974467

申请日：2022-10-26

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kenji YAO ,  Hideaki YOSHIKAWA ,  Masahiro OKI ,  Kazusei YOSHIDA ,  Ayu NAITO ,  Yuko IWADATE ,  Takahiro ISHIZUKA ,  Tetsuya TAGUCHI ,  Hirokazu HAMANO

IPC: C08J3/12

CPC classification number: C08J3/128 ,  C08J3/126 ,  C08J2301/12

Abstract: A cellulosic particle includes: a cellulose-based core particle; a first coating layer covering the core particle and containing a polyamine compound; and a second coating layer covering the first coating layer and containing at least one selected from the group consisting of a wax, a linear-chain saturated fatty acid, a hydroxy fatty acid, and an amino acid compound.

公开(公告)号：US20220306842A1

公开(公告)日：2022-09-29

申请号：US17504524

申请日：2021-10-19

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Masahiro OKI ,  Kenji YAO ,  Hideaki YOSHIKAWA ,  Kazusei YOSHIDA ,  Tetsuya TAGUCHI

IPC: C08L1/14 ,  C08L1/12 ,  A61K8/73

Abstract: Resin particles include mother particles containing a biodegradable resin, and a coating layer containing at least one selected from the group consisting of a quaternary ammonium salt-containing polymer, polyacrylamide, polyvinylpyrrolidone, and polylysine on a surface of the mother particles.

公开(公告)号：US20230391970A1

公开(公告)日：2023-12-07

申请号：US18071531

申请日：2022-11-29

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kenji YAO ,  Ayu NAITO ,  Kazusei YOSHIDA ,  Yuko IWADATE ,  Masahiro OKI ,  Tetsuya TAGUCHI ,  Hirokazu HAMANO ,  Takahiro ISHIZUKA ,  Hideaki YOSHIKAWA

IPC: C08J7/04 ,  C08K7/18 ,  C08G73/02 ,  C08K5/00

CPC classification number: C08J7/0423 ,  C08K7/18 ,  C08G73/0206 ,  C08K5/0091 ,  C08J2301/02 ,  C08J2391/06 ,  C08K2201/018 ,  C08K2201/013

Abstract: 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.

公开(公告)号：US20230303781A1

公开(公告)日：2023-09-28

申请号：US17983410

申请日：2022-11-09

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kenji YAO ,  Kazusei YOSHIDA ,  Ayu NAITO ,  Yuko IWADATE ,  Takahiro ISHIZUKA ,  Tetsuya TAGUCHI ,  Hirokazu HAMANO ,  Masahiro OKI ,  Hideaki YOSHIKAWA

IPC: C08J3/12 ,  C08J7/04 ,  C09D191/06 ,  C08K3/36 ,  C08K5/17

CPC classification number: C08J3/126 ,  C08J7/042 ,  C08K3/36 ,  C08K5/17 ,  C09D191/06 ,  C08J2301/10 ,  C08J2491/06

Abstract: 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.

公开(公告)号：US20220306818A1

公开(公告)日：2022-09-29

申请号：US17505647

申请日：2021-10-20

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kazusei YOSHIDA ,  Masahiro OKI ,  Hideaki YOSHIKAWA ,  Kenji YAO ,  Tetsuya TAGUCHI

IPC: C08J3/12 ,  C08L1/14 ,  C08K5/11 ,  C08L91/06 ,  C08L79/02 ,  C08L39/02 ,  C08J7/04

Abstract: 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.

公开(公告)号：US20240262967A1

公开(公告)日：2024-08-08

申请号：US18366674

申请日：2023-08-07

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kenji YAO ,  Kazusei YOSHIDA ,  Ayu NAITO ,  Shota MATOBA ,  Satomi KASHIWAGI ,  Yuko IWADATE ,  Masahiro OKI ,  Takahiro ISHIZUKA ,  Takeshi IWANAGA ,  Hideaki YOSHIKAWA ,  Tetsuya TAGUCHI ,  Hirokazu HAMANO

IPC: C08J3/12 ,  C08J7/04 ,  C08K3/22 ,  C08K3/26 ,  C08K5/098 ,  C08K5/17 ,  C08L1/02 ,  C08L1/10

CPC classification number: C08J3/128 ,  C08J7/04 ,  C08K3/22 ,  C08K3/26 ,  C08K5/098 ,  C08K5/175 ,  C08L1/02 ,  C08L1/10 ,  C08K2003/265

Abstract: 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.

公开(公告)号：US20240261206A1

公开(公告)日：2024-08-08

申请号：US18448174

申请日：2023-08-11

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kenji YAO ,  Hideaki YOSHIKAWA ,  Takahiro ISHIZUKA ,  Shota MATOBA ,  Ayu NAITO ,  Satomi KASHIWAGI ,  Kazusei YOSHIDA ,  Yuko IWADATE ,  Masahiro OKI ,  Takeshi IWANAGA ,  Tetsuya TAGUCHI ,  Hirokazu HAMANO

IPC: A61K8/73 ,  A61K8/36 ,  A61Q1/00 ,  A61Q1/04 ,  A61Q1/10 ,  A61Q17/04 ,  A61Q19/00 ,  C08K5/09

CPC classification number: A61K8/731 ,  A61K8/36 ,  A61K8/361 ,  A61Q1/00 ,  A61Q1/04 ,  A61Q1/10 ,  A61Q17/04 ,  A61Q19/00 ,  C08K5/09 ,  A61K2800/412 ,  A61K2800/413

Abstract: 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.

公开(公告)号：US20210403660A1

公开(公告)日：2021-12-30

申请号：US17243734

申请日：2021-04-29

Applicant: FUJIFILM BUSINESS INNOVATION CORP.

Inventor： Masahiro OKI ,  Kenji YAO ,  Hideaki YOSHIKAWA ,  Takeshi IWANAGA ,  Kazusei YOSHIDA ,  Tetsuya TAGUCHI

IPC: C08J7/04 ,  C08L79/02 ,  C08L1/12 ,  C08L1/14 ,  C08K5/09 ,  C08L91/06

Abstract: 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.