HALLIDAY, Janet,CARR, Denis,ROSS, Alistair,YOUNG, Claire,MCDONALD, Paul,QADIR, Mohammad,COCHRANE, Robert
申请号:
SG11201703596S
公开号:
SG11201703596SA
申请日:
2015.11.05
申请国别(地区):
SG
年份:
2017
代理人:
摘要:
The present invention relates to a polymeric drug-device unit comprising a polyurethane block copolymer and an active agent. The polyurethane block copolymer is obtainable by reacting together a poly(alkylene oxide), a difunctional compound, a difunctional isocyanate and, optionally a block copolymer comprising poly(alkylene oxide) blocks. The polymeric drug-device unit generally takes the form of a vaginal ring.