公开(公告)号：US20200147224A1

公开(公告)日：2020-05-14

申请号：US16743162

申请日：2020-01-15

Applicant: ROHM AND HAAS COMPANY ,  DOW GLOBAL TECHNOLOGIES LLC

Inventor： Joshua Katz ,  Yujing Tan ,  Emmett M Partain, III ,  Demetrius Dielman ,  Susan Jordan ,  Jaime Curtis-Fisk ,  Ryan DePuit

IPC: A61K47/38 ,  A61K9/08 ,  C08L1/28 ,  C08B11/193 ,  C08B11/14 ,  A61K9/00

Abstract: An aqueous solution comprising a cationic polymer dissolved in water, wherein said cationic polymer comprises a hydrophobic quaternary ammonium group covalently attached to a hydroxyethyl cellulose polymer backbone. Also, a method of delivering a drug to a mucosal surface in a living body, said method comprising applying the aqueous solution to said mucosal surface.