Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tetsuji Yamaoka0
Yoshiyuki Koyama0
Toshinori Sato0
Date of Patent
June 23, 2009
0Patent Application Number
108595980
Date Filed
June 3, 2004
0Patent Primary Examiner
Patent abstract
The present invention provides a polyethylene glycol derivative having sugar residue-containing side chains and carboxyl group-containing side chains, and a method of preparing the same. The present invention also provides a carrier for drug delivery systems and a carrier for gene transfer, both comprising the polyethylene glycol derivative.
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