Biodegradable polymer substrates loaded with active substance su

Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber

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21050022, 21050023, 428372, 428376, B01D 3900, D02G 300

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active

049651285

ABSTRACT:
Biodegradable hollow fibres with an asymmetric wall, the cavity of which containing an active substance like a drug, hormone etc. or a dilute form of the latter and both ends of the hollow fibre being closed for the controlled release of the active substance as well as a process for the manufacturing of such hollow fibres.

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