公开(公告)号：US20230172969A1

公开(公告)日：2023-06-08

申请号：US17921065

申请日：2021-03-31

Applicant: Rohto Pharmaceutical Co., Ltd.

Inventor： Tatsuya Ando ,  Yoko Mitsuguchi ,  Sachiko Matsumoto ,  Atsuko Nakata

IPC: A61K31/737 ,  A61K9/00 ,  A61K31/23 ,  A61K31/355 ,  A61K31/205 ,  A61K31/198 ,  A61K31/27 ,  A61K47/38 ,  A61K31/4415 ,  A61K31/16 ,  A61P27/04 ,  A61K31/4166 ,  A61K31/704

CPC classification number: A61K31/737 ,  A61K9/0048 ,  A61K31/23 ,  A61K31/355 ,  A61K31/205 ,  A61K31/198 ,  A61K31/27 ,  A61K47/38 ,  A61K31/4415 ,  A61K31/16 ,  A61P27/04 ,  A61K31/4166 ,  A61K31/704

Abstract: The present invention relates to an ophthalmic composition for suppressing eye dryness, comprising at least one selected from the group consisting of chondroitin sulfate having a weight average molecular weight of 30,000 to 50,000 and a salt thereof.