Polymer, production and use thereof

C - Chemistry – Metallurgy – 08 – G

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402/314, 402/5

C08G 63/06 (2006.01) A61K 9/16 (2006.01) A61K 9/50 (2006.01) A61K 9/52 (2006.01) B01J 13/12 (2006.01)

Patent

CA 1262005

Abstract of the Disclosure The present invention provides a biodegradable high molecular polymer characterized in that the content of water-soluble low molecular compounds, as calculated on the assumption that said compounds each is a monobasic acid, is less than 0.01 mole per 100 grams of said high molecular polymer. The thus-obtained high molecular polymer has good aging stability and can be used advantageously as an excipient for pharmaceutical preparations.

508537

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