Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 31, 2009
Patent Application Number
11375698
Date Filed
March 13, 2006
Patent Primary Examiner
Patent abstract
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.
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