公开(公告)号：EP1439199A4

公开(公告)日：2005-08-03

申请号：EP02785959

申请日：2002-11-28

申请人： UNIV KEIO ,  NOF CORP

发明人： SATO TOSHINORI ,  KOYAMA YOSHIYUKI ,  YAMAOKA TETSUJI

IPC分类号： C12N15/09 ,  A61K47/34 ,  A61K47/36 ,  A61K47/48 ,  A61K48/00 ,  C08G65/14 ,  C08G65/329 ,  C08G65/332 ,  C08G65/334 ,  C08G81/00

CPC分类号： C08G81/00 ,  A61K47/34 ,  A61K47/36 ,  A61K47/59 ,  A61K47/60 ,  A61K47/61 ,  A61K48/00 ,  A61K48/0041 ,  C08G65/14 ,  C08G65/329 ,  C08G65/3324 ,  C08G65/334 ,  C08L2205/05

摘要： It is intended to provide polyethylene glycol derivatives having a saccharide residue-containing side chain and a carboxyl group-containing side chain and a process for producing the same. Moreover, drug delivery system carriers and gene transfer carriers containing these polyethylene glycol derivatives are provided.