公开(公告)号：US11890347B2

公开(公告)日：2024-02-06

申请号：US16468199

申请日：2017-12-05

Applicant: Tokyo Institute of Technology

Inventor： Nobuhiro Nishiyama ,  Hiroyasu Takemoto ,  Abdul-Hackam Ranneh ,  Keishiro Tomoda ,  Takahiro Nomoto ,  Makoto Matsui

IPC: A61K47/59 ,  C08G69/48

CPC classification number: A61K47/59 ,  C08G69/48

Abstract: A pH-responsive polymer formed of a biocompatible polymer to which a group which is electrically neutral under pH environments of more than 7 and which changes to be cationic at pH 7 or less is bonded.

公开(公告)号：US20200069807A1

公开(公告)日：2020-03-05

申请号：US16468199

申请日：2017-12-05

Applicant: Tokyo Institute of Technology

Inventor： Nobuhiro Nishiyama ,  Hiroyasu Takemoto ,  Abdul-Hackam Ranneh ,  Keishiro Tomoda ,  Takahiro Nomoto ,  Makoto Matsui

IPC: A61K47/59 ,  C08G69/48

Abstract: A pH-responsive polymer formed of a biocompatible polymer to which a group which is electrically neutral under pH environments of more than 7 and which changes to be cationic at pH 7 or less is bonded.