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.

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：US20240327618A1

公开(公告)日：2024-10-03

申请号：US18461482

申请日：2023-09-05

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Satomi KASHIWAGI ,  Hirokazu HAMANO ,  Tetsuya TAGUCHI ,  Kenji YAO ,  Yuko IWADATE ,  Hideaki YOSHIKAWA

IPC: C08L1/02 ,  C08J3/12

CPC classification number: C08L1/02 ,  C08J3/128 ,  C08J2301/12 ,  C08J2379/02

Abstract: 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.

公开(公告)号：US20240262966A1

公开(公告)日：2024-08-08

申请号：US18365213

申请日：2023-08-03

Applicant: FUJIFILM Business Innovation Corp.

Inventor： 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: C08J3/12

CPC classification number: C08J3/126 ,  C08J2301/12 ,  C08J2305/02 ,  C08J2377/04

Abstract: 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.

公开(公告)号：US20240327617A1

公开(公告)日：2024-10-03

申请号：US18460703

申请日：2023-09-05

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Yuko IWADATE ,  Hideaki YOSHIKAWA ,  Satomi KASHIWAGI ,  Kenji YAO ,  Tetsuya TAGUCHI ,  Hirokazu HAMANO

IPC: C08L1/02 ,  A61K8/02 ,  A61K8/73 ,  A61Q19/00

CPC classification number: C08L1/02 ,  A61K8/0241 ,  A61K8/731 ,  A61Q19/00

Abstract: Solid cellulose particles contain cellulose as a main component. The cellulose particles have a volume average particle diameter D of from 1 μm to 30 μm inclusive and a circularity of 0.86 or more. A value A represented by the following formula (1) is less than 0.15: (wherein, in formula (1), D is the volume average particle diameter (μm) of the cellulose particles, and S is a BET specific surface area (m2/g) of the cellulose particles).







A
=

1
/

(

D
×
S

)






formula
⁢


(
1
)

公开(公告)号：US20230250262A1

公开(公告)日：2023-08-10

申请号：US17990720

申请日：2022-11-20

Applicant: FUJIFILM Business Innovation Corp.

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

IPC: C08L1/12 ,  C08K5/20 ,  C08K5/13 ,  C08J3/12

CPC classification number: C08L1/12 ,  C08K5/20 ,  C08K5/13 ,  C08J3/128 ,  C08J2301/12

Abstract: A cellulosic particle contains a first component that is cellulose; and a second component that is at least one selected from the group consisting of a fatty acid derivative (A), an aromatic compound having a long-chain aliphatic group and at least one of a phenolic hydroxyl group or a monoglycidyl ether group directly bound to an aromatic group (B), and a (meth)acrylic compound (C).

公开(公告)号：US20220306823A1

公开(公告)日：2022-09-29

申请号：US17506677

申请日：2021-10-21

Applicant: FUJIFILM Business Innovation Corp.

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

IPC: C08J7/04

Abstract: Resin particles include mother particles containing a biodegradable resin, in which an alkali metal atomic weight A present on a resin particle surface with respect to a total atomic weight present on the resin particle surface, which is measured by an X-ray photoelectron spectroscopy, and an alkali metal atomic weight B present in the resin particles with respect to the total atomic weight present on the resin particles, which is measured by a fluorescent X-ray spectroscopy, satisfy a relationship of 0≤(A/B)