Interlinked solid polyethylene glycols and copolymers thereof

Details Interlinked solid polyethylene glycols and copolymers thereof Interlinked solid polyethylene glycols and copolymers thereof

2005-03-01

2005-03-01

Truong, Duc (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From organic oxygen-containing reactant

C525S328800, C525S328900, C525S329200, C525S419000

Reexamination Certificate

active

06861503

ABSTRACT:
The present invention is directed primarily to an interlinked crystalline solid polyethylene glycol composition (I-PEG) having a molecular weight of at least 20 kDa and a melting temperature of at least 40° C. and its use as an absorbable device having hydrolabile ester or carbonate interlinks that allow in vivo dissociation of the interlinked chain into excretable, low molecular weight PEG segments.

REFERENCES:
patent: 0952171 (1999-10-01), None

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