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1. (WO2018182003) HYALURONIC ACID COMPOSITE NANOPARTICLES

Pub. No.:    WO/2018/182003    International Application No.:    PCT/JP2018/013947
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Sat Mar 31 01:59:59 CEST 2018
IPC: A61K 47/36
A61K 8/55
A61K 8/73
A61K 9/14
A61K 47/24
A61P 17/00
A61Q 19/00
Applicants: SHISEIDO COMPANY, LTD.
株式会社 資生堂
Inventors: OKA, Takashi
岡隆史
MIYAHARA, Reiji
宮原令二
SHIMIZU, Hiroko
清水広子
Title: HYALURONIC ACID COMPOSITE NANOPARTICLES
Abstract:
Provided are high-molecular-weight hyaluronic acid composite nanoparticles. The composite nanoparticles according to the present invention is characterized by each comprising hyaluronic acid (A) and a zwitterionic compound (B) and characterized by having a particle diameter of at most 100 nm.