| 发明名称 |
HIGH FLASH POINT PITCH BASED IMPREGNANT FOR CARBON AND GRAPHITE AND METHOD |
| 摘要 |
An impregnating pitch having a softening point of about 90° C. and a flash point above about 280° C. is prepared from a coal tar liquid. Preparation of the pitch involves sparging coal tar liquid with steam or an inert gas while maintaining the liquid at a temperature of from about 260° C.-270° C. |
| 申请公布号 |
EP1461400(A1) |
申请公布日期 |
2004.09.29 |
| 申请号 |
EP20020784688 |
申请日期 |
2002.12.03 |
| 申请人 |
UCAR CARBON COMPANY INC. |
发明人 |
ORAC, THOMAS, HARRY |
| 分类号 |
C10C1/16;(IPC1-7):C10G3/00;C10C1/00;C10C1/20;B32B9/00;C10C1/04 |
主分类号 |
C10C1/16 |
| 代理机构 |
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