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：US20250134795A1

公开(公告)日：2025-05-01

申请号：US18808713

申请日：2024-08-19

Applicant: FUJIFILM Business Innovation Corp.

Inventor： Kazusei YOSHIDA ,  Ayu NAITO ,  Satomi KASHIWAGI ,  Takeshi IWANAGA ,  Yuko IWADATE ,  Sakae TAKEUCHI

IPC: A61K8/73

Abstract: Cellulose particles include mother particles, containing cellulose as a principal component; and a coating layer that coats the mother particles, in which the average circularity of the cellulose particles is 0.97 or more, and the relation between carbon atom amount Cs and oxygen atom amount Os in the cellulose particles measured by X-ray photoelectron spectroscopy satisfies the formula A1: Cs/Os≥2.0.

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)

公开(公告)号：US20220169833A1

公开(公告)日：2022-06-02

申请号：US17321902

申请日：2021-05-17

Applicant: FUJIFILM BUSINESS INNOVATION CORP.

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

IPC: C08L1/12 ,  C08L1/14 ,  C08K5/05 ,  C08L67/02 ,  C08L77/00 ,  C08K5/11

Abstract: [Problem] To provide a resin particle having excellent heat resistance and flexibility.
[Solution] A resin particle in which a mass loss rate after being immersed in distilled water at 70° C. for 14 days is less than 10%, and in which a mass loss rate after being left in a compost having a composition shown below at 55° C. for 14 days is 90% or more.