Esters, their preparation and use

Details Esters, their preparation and use Esters, their preparation and use

C - Chemistry, Metallurgy

07

C

167/164, 260/227

C07C 69/68 (2006.01) C07H 13/04 (2006.01) C08B 37/16 (2006.01)

Patent

CA 1242705

NOVEL ESTERS, THEIR PREPARATION AND USE Abstract 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.

461753

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