Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Motoo Yamasaki0
Takashi Kuwabara0
Noriko Sukurai0
Toshiyuki Suzawa0
Tatsuya Murakami0
Kinya Yamashita0
Mayumi Mukai0
Date of Patent
June 16, 2009
0Patent Application Number
118770110
Date Filed
October 23, 2007
0Patent Primary Examiner
Patent abstract
The present invention provides a branched polyalkylene glycol wherein three or more single-chain polyalkylene glycols and a group having reactivity with an amino acid side chain, the N-terminal amino group or the C-terminal carboxyl group in a polypeptide or a group convertible into the group having reactivity are bound; and a physiologically active polypeptide modified with the branched polyalkylene glycol.
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