A linear polymer is obtained by reacting together a polyethylene glycol or polypropylene glycol; a PEG-PPG-PEG or PPG-PEG-PPG block copolymer; a 5 difunctional amine or diol; and a diisocyanate. A controlled release composition comprises the polymer together with an active agent. Active agents of molecular weight 200 to 20,000 may be used.
申请公布号
AU2013205539(A1)
申请公布日期
2013.05.23
申请号
AU20130205539
申请日期
2013.04.30
申请人
FERRING B.V.
发明人
TUOMINEN, JUKKA;ZURUTUZA, AMAIA;LIVINGSTON, MARK;HALLIDAY, JANET A.
