| 发明名称 |
Meta-and para-phenylene-bis-(4-hydroxymethylene-phthalic acids and the diester and tetraester thereof |
| 摘要 |
M- OR P-Phenylene-bis-(4-hydroxymethylenephthalic acid, and the diester and tetraester thereof useful as intermediates to prepare soluble, high molecular weight, carbinol-containing polyimides.
|
| 申请公布号 |
US3875208(A) |
申请公布日期 |
1975.04.01 |
| 申请号 |
US19730393334 |
申请日期 |
1973.08.31 |
| 申请人 |
INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS |
发明人 |
COHEN, CHOUA;GIULIANI, PIERRE;SILLION, BERNARD |
| 分类号 |
C07C65/105;C07C65/36;C08G73/10;(IPC1-7):C07C69/78 |
主分类号 |
C07C65/105 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
