Title:
BIODEGRADABLE RESIN PARTICLE
Document Type and Number:
Japanese Patent JP2022022947
Kind Code:
A
Abstract:
To provide a biodegradable resin particle having a biodegradation speed over time while the initial biodegradation speed is slow.SOLUTION: 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.SELECTED DRAWING: None
Inventors:
OKI MASAHIRO
YAO KENJI
YOSHIKAWA HIDEAKI
IWANAGA TAKESHI
YOSHIDA KAZUYO
TAGUCHI TETSUYA
YAO KENJI
YOSHIKAWA HIDEAKI
IWANAGA TAKESHI
YOSHIDA KAZUYO
TAGUCHI TETSUYA
Application Number:
JP2020189310A
Publication Date:
February 07, 2022
Filing Date:
November 13, 2020
Export Citation:
Assignee:
FUJIFILM BUSINESS INNOVATION CORP
International Classes:
C08J3/12; C08L1/00; C08L67/00; C08L101/00
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office
Previous Patent: Membrane and substrate coated with it
Next Patent: Ferromagnetic compounds and ferromagnetic alloys containing ferromagnetic compounds
Next Patent: Ferromagnetic compounds and ferromagnetic alloys containing ferromagnetic compounds