| 发明名称 |
OPTICALLY ISOTROPIC POLYCARBONATE FILMS AND A METHOD FOR THE PRODUCTION THEREOF |
| 摘要 |
<p>Injection-molding materials comprised of polycarbonate can be processed into optically isotropic films in a chill roll extrusion method. The optically isotropic films for protecting data carriers (CD-ROMS) from becoming scratched, or they are used as supporting materials for the information layer.</p> |
| 申请公布号 |
HRP20010112(B1) |
申请公布日期 |
2003.10.31 |
| 申请号 |
HR2001P000112 |
申请日期 |
2001.02.14 |
| 申请人 |
ROEHM GMBH |
发明人 |
UWE NUMRICH;KLAUS HOFMANN;ROGER HUGH EMERSON;THOMAS PFAFF;MICHAEL MEIER-KAISER |
| 分类号 |
B29C47/88;C08J5/18;C08L69/00;(IPC1-7):C08J5/18 |
主分类号 |
B29C47/88 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
