| 发明名称 |
OPTICAL DISC SUBSTRATE MADE OF A POLYCARBONATE |
| 摘要 |
<p>An optical disc substrate made of a polycarbonate containing from 5 to 100% by weight, based on the total carbonate bond-constituting units, of carbonate bond-constituting units having the formula: <IMAGE> (I) wherein each of Y and Z is a hydrogen atom or an aliphatic hydrocarbon group having from 1 to 6 carbon atoms, and each of X and W is an aliphatic hydrocarbon group having from 1 to 6 carbon atoms.</p> |
| 申请公布号 |
EP0175905(A3) |
申请公布日期 |
1986.04.09 |
| 申请号 |
EP19850110171 |
申请日期 |
1985.08.13 |
| 申请人 |
MITSUBISHI CHEMICAL INDUSTRIES LIMITED |
发明人 |
HASUO, MASAYOSHI;MUKAI, SEIICHI;URABE, HIROSHI;YOSHIDA, SEIJI;NUKUI, MASAHIRO |
| 分类号 |
B29C45/00;C08G63/00;C08G64/00;C08G64/06;G11B7/253;(IPC1-7):C08G63/62;G11B7/24 |
主分类号 |
B29C45/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
