发明名称 |
Polyoxyethylene fatty acid ester surfactants and use thereof |
摘要 |
<p>The present invention provides a polyethylene glycol (PEG) ester surfactant comprising at least one polyethylene glycol moiety and at least one fatty acyl moiety characterised in that said moieties are linked by a linkage incorporating a biodegradable methylene diester unit of formula (I) -CO.O.C(R<1>)(R<2>).O.CO- where R<1> and R<2> may, for example, each be a hydrogen atom or a monovalent organic group attached through a carbon atom or R<1> and R<2> together may, for example, form a divalent organic group attached through carbon atoms.</p> |
申请公布号 |
EP0844016(A2) |
申请公布日期 |
1998.05.27 |
申请号 |
EP19970309505 |
申请日期 |
1997.11.25 |
申请人 |
NYCOMED IMAGING AS |
发明人 |
STRANDE, PER;DUGSTAD, HARALD;BALINOV, BALIN;ALFHEIM, JAN;ARUKWE, JOSEPH |
分类号 |
A61K8/39;A61K8/86;A61K47/14;A61Q19/00;B01F17/00;B01F17/34;C07C69/96;C08G65/332;(IPC1-7):B01F17/34;C07C69/02;C08G65/02;A61K7/00;A61K9/00 |
主分类号 |
A61K8/39 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|