| 发明名称 |
PROCESS FOR MAKING CARBON ELECTRODE IMPREGNATING PITCH FROM COAL TAR |
| 摘要 |
Carbon electrode impregnating pitch is made from coal tar by centrifugation of the coal tar to remove particulates, followed by milling and distilling the remaining material. |
| 申请公布号 |
WO9403559(A1) |
申请公布日期 |
1994.02.17 |
| 申请号 |
WO1993US07182 |
申请日期 |
1993.07.30 |
| 申请人 |
ARISTECH CHEMICAL CORPORATION |
发明人 |
STIPANOVICH, JOHN, JR. |
| 分类号 |
C10C1/00;C10C1/04;C10C1/16;C10C3/06;(IPC1-7):C10C1/20;C10C3/02 |
主分类号 |
C10C1/00 |
| 代理机构 |
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代理人 |
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