Polyol esters, their preparation and use in depot forms of pharmacologically active agents
This invention provides a polyester of a polyol, said polyol containing at least 3 hydroxyl groups and having a molecular weight of up to 20,000 at least 1 hydroxyl group in said polyol being in the form of an ester, with a poly- or co-poly-lactic acid residue, each having a molecular weight of at least from 5,000. These are useful for parenteral depot formulations.
Brich; Zdenek (Binningen, CH), Kissel; Thomas (Ehrenkirchen, DE)
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