Peg-polyacetal and peg-polyacetal-poe graft copolymers and...

Details Peg-polyacetal and peg-polyacetal-poe graft copolymers and... Peg-polyacetal and peg-polyacetal-poe graft copolymers and...

C - Chemistry, Metallurgy

08

F

C08F 297/02 (2006.01)

Patent

CA 2601548

The present invention provides graft copolymer delivery vehicle which comprises a polyethyleneglycol (PEG)-polyacetal (PA) copolymer or a polyethyleneglycol (PEG)-polyacetal (PA)-polyorthoester (POE) copolymer. The polyethyleneglycol-polyacetal graft copolymers or the polyethyleneglycol- polyacetal-polyorthoester graft copolymers, in particular, the PA-g-PEG or the PA-POE-g-PEG suitable for the invention are represented by Formulae (I) and (V).

L'invention concerne un véhicule d'administration de copolymère greffé comprenant un copolymère de polyéthylèneglycol (PEG)-polyacétal (PA) ou un copolymère de polyéthylèneglycol (PEG)-polyacétal (PA)-polyorthoester (POE). Les copolymères greffés de polyéthylèneglycol-polyacétal ou les copolymères greffés de polyéthylèneglycol-polyacétal-polyorthoester, notamment, le PA-g-PEG ou le PA-POE-g-PEG conçu pour l'invention sont représentés par les formules (I) et (V).

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