Polyorthoester IV
 
            Description
            POE IV is a modification of POE II which is formed of the diketene acetal with a diol which is modified by short sequences of polyglycolide or polylactide. 
            Performance Properties
            POE IV is well known for surface-eroding properties and present unique opportunities for controlled-release and tissue-engineering applications.
            Allows control over erosion rates without the need to add acidic excipients
            POE IV stable and stored under anhydrous conditions