Invention Grant
- Patent Title: Hydrophilic polyurethane compositions
- Patent Title (中): 亲水性聚氨酯组合物
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Application No.: US12307514Application Date: 2007-06-27
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Publication No.: US08974813B2Publication Date: 2015-03-10
- Inventor: Jukka Tuominen , Amaia Zurutuza , Mark Livingstone , Janet Anne Halliday
- Applicant: Jukka Tuominen , Amaia Zurutuza , Mark Livingstone , Janet Anne Halliday
- Applicant Address: NL Hoofddorp
- Assignee: Ferring B.V.
- Current Assignee: Ferring B.V.
- Current Assignee Address: NL Hoofddorp
- Agency: Fish & Richardson P.C.
- Priority: GB0613333.4 20060705
- International Application: PCT/GB2007/002401 WO 20070627
- International Announcement: WO2008/003932 WO 20080110
- Main IPC: A61F6/14
- IPC: A61F6/14 ; A61F13/00 ; A61K47/30 ; C08G18/20 ; A61K9/00 ; C08G18/48 ; C08G18/73 ; C08G18/75 ; A61K47/34
Abstract:
A water-swellable linear polymer is made by reacting together a polyethylene oxide of number average molecular weight less than 4,000, an aliphatic diol, and a difunctional diisocyanate. Controlled release composition comprises the polymer together with an active agent. The polymer is able to take up pharmaceutically active agents of molecular weight 200 to 20,000.
Public/Granted literature
- US20090291120A1 Hydrophilic Polyurethane Compositions Public/Granted day:2009-11-26
Information query
