发明授权
EP1196456B1 HYDROGENATED BLOCK COPOLYMERS AND OPTICAL MEDIA DISCS PRODUCED THEREFROM
有权
氢化的嵌段共聚物及其制品生产的光学传媒板块
- 专利标题: HYDROGENATED BLOCK COPOLYMERS AND OPTICAL MEDIA DISCS PRODUCED THEREFROM
- 专利标题(中): 氢化的嵌段共聚物及其制品生产的光学传媒板块
-
申请号: EP00932353.6申请日: 2000-05-11
-
公开(公告)号: EP1196456B1公开(公告)日: 2006-06-28
- 发明人: HAHNFELD, Jerry, L. , PARSONS, Gary, D. , HAHN, Stephen, F. , JONES, Mary, Ann
- 申请人: DOW GLOBAL TECHNOLOGIES INC.
- 申请人地址: Washington Street, 1790 Building Midland, Michigan 48674 US
- 专利权人: DOW GLOBAL TECHNOLOGIES INC.
- 当前专利权人: DOW GLOBAL TECHNOLOGIES INC.
- 当前专利权人地址: Washington Street, 1790 Building Midland, Michigan 48674 US
- 代理机构: Raynor, John
- 优先权: US139072P 19990611; US184280P 20000223
- 国际公布: WO2000077053 20001221
- 主分类号: C08F8/00
- IPC分类号: C08F8/00 ; C08F8/04 ; C08L53/00
摘要:
The present invention is directed to a hydrogenated block copolymer of a vinyl aromatic and butadiene which is useful in the preparation of optical media discs having very low birefringence.
公开/授权文献
信息查询