C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 65/329 (2006.01) A61K 47/48 (2006.01) C07C 43/315 (2006.01) C07C 45/30 (2006.01) C07C 47/198 (2006.01) C07K 1/107 (2006.01) C08G 65/26 (2006.01)
Patent
CA 2498167
The present invention is directed to alkanal derivatives of water-soluble polymers such as poly(ethylene glycol), their corresponding hydrates and acetals, and to methods for preparing and using such polymer alkanals. The polymer alkanals of the invention are prepared in high purity and exhibit storage stability.
L'invention concerne des dérivés alcanales de polymères solubles dans l'eau, notamment du poly(éthylène glycol), leurs hydrates et leurs acétals correspondants, ainsi que des méthodes de préparation et d'utilisation de ces alcanales polymères. Les alcanales polymères de l'invention sont préparés de sorte à présenter une pureté élevée ainsi qu'une bonne stabilité de stockage.
Nektar Therapeutics Al Corporation
Smart & Biggar
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