Biodegradable polymeric materials based on polyether...

Details Biodegradable polymeric materials based on polyether... Biodegradable polymeric materials based on polyether...

C - Chemistry, Metallurgy

08

G

167/166, 400/201

C08G 65/06 (2006.01) A61K 9/22 (2006.01) A61K 47/34 (2006.01) A61L 17/00 (2006.01) A61L 17/12 (2006.01) A61L 27/00 (2006.01) A61L 27/18 (2006.01) A61L 27/58 (2006.01) A61L 31/00 (2006.01) A61L 31/06 (2006.01) C08G 18/42 (2006.01) C08G 63/66 (2006.01)

Patent

CA 1329854

BIODEGRADABLE POLYMERIC MATERIALS BASED ON POLYETHER GLYCOLS, PROCESSES FOR THE PREPARATION THEREOF AND SURGICAL ARTICLES MADE THEREFROM ABSTRACT OF THE DISCLOSURE The invention provides poly(.alpha.-hydroxy-carboxylic acid)/ poly(oxyalkylene) polymers selected from multiblock polymers of the following repeating unit I Image I wherein R is an alkylene group, R1 is hydrogen or methyl groups, m is a positive integer, and a and b are zero or positive integers, the case where a and b are simultaneously zero being excluded, and chain extended multiblock polymers which polymers are bioabsorbable and biodegradable, these polymeric materials being derived from reacting diols in the form of polyether glycols w1th .alpha.-hydroxy-carboxylic acids. The invention also provides methods for the preparation of such polymeric materials and bioabsorbable surgical articles made therefrom,

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