| 发明名称 |
Cycloolefin copolymers having low melt viscosity and low optical attenuation |
| 摘要 |
PCT No. PCT/EP94/00263 Sec. 371 Date Aug. 10, 1995 Sec. 102(e) Date Aug. 10, 1995 PCT Filed Jan. 31, 1994 PCT Pub. No. WO94/18251 PCT Pub. Date Aug. 18, 1994Thermoplastic cycloolefin copolymers (COCs) having low melt viscosity and low optical attenuation, a process for their preparation, and their use as optical waveguides (optical fibers).
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| 申请公布号 |
US5637400(A) |
申请公布日期 |
1997.06.10 |
| 申请号 |
US19950492106 |
申请日期 |
1995.08.10 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
BREKNER, MICHAEL-JOACHIM;DECKERS, HELLMUTH;OSAN, FRANK |
| 分类号 |
G02B6/00;C08F4/42;C08F4/642;C08F4/646;C08F4/659;C08F4/6592;C08F4/68;C08F4/72;C08F8/00;C08F32/00;C08F210/00;C08F232/00;C08F232/08;D01F8/06;G02B1/04;(IPC1-7):B32B27/00;C08F4/643 |
主分类号 |
G02B6/00 |
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