| 发明名称 |
PROCESS FOR PREPARATION OF PITCH FOR PRODUCING CARBON FIBER |
| 摘要 |
<p>PROCESS FOR PREPARATION OF PITCH FOR PRODUCING CARBON FIBER A process for preparing a pitch for carbon fiber by filtering a heavy pitch having a softening point of 150 - 200.degree.C at a temperature of 250 - 300-.degree.C and further treating at the same temperature under reduced pressure.</p> |
| 申请公布号 |
CA1126675(A) |
申请公布日期 |
1982.06.29 |
| 申请号 |
CA19790330487 |
申请日期 |
1979.06.25 |
| 申请人 |
KUREHA KAGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
SEO, IKUO |
| 分类号 |
C10C3/04;C10C3/00;D01F9/155;(IPC1-7):10C3/00 |
主分类号 |
C10C3/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
