发明名称 |
BLOKKPOLYETERAMIDER SAMT FREMSTILLING DERAV |
摘要 |
<p>Block copolymers of formula …<IMAGE>… …<??>They are prepared by reaction in the melt between a diacidic oligoamide A, an oligoetherdiol B and a diacidic coupler C of low molecular mass, whose respective molar percentages a, b and c are such that:… -5 </= a + c - b </= + 5 and c >/= 3</p> |
申请公布号 |
NO920916(D0) |
申请公布日期 |
1992.03.09 |
申请号 |
NO19920000916 |
申请日期 |
1992.03.09 |
申请人 |
ELF ATOCHEM SA |
发明人 |
MAJ, PHILIPPE;FORICHON, NOELLE |
分类号 |
C08G69/40;C08G69/44;(IPC1-7):C08G69/00 |
主分类号 |
C08G69/40 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|