发明名称 |
Verfahren zur Herstellung von Aktivkohlen |
摘要 |
1287276 Activated carbon STANDARD OIL CO 9 Sept 1969 [18 Sept 1968] 10578/72 Divided out of 1287275 Heading C1A Activated carbon is prepared by heating an aromatic acid at 200-275‹ C. for 1-4 hours in an inert atmosphere and then at 350-500‹ C., preferably for “-¥ hour. The acid may be petroleum coke acid and the inert atmosphere may be N 3 or Ar. |
申请公布号 |
DE1947277(A1) |
申请公布日期 |
1970.07.16 |
申请号 |
DE19691947277 |
申请日期 |
1969.09.18 |
申请人 |
STANDARD OIL COMPANY |
发明人 |
NELS WENNERBERG,ARNOLD;THOMAS BUKVICH,JOHN |
分类号 |
B01J20/20;C01B31/10;C01B31/12 |
主分类号 |
B01J20/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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