发明公开
- 专利标题： REDUCED PUFFING NEEDLE COKE FROM COAL TAR DISTILLATE
- 专利标题（中）： 针状焦从减量膨化煤焦油
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申请号： EP09758954.3申请日： 2009-05-15
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公开(公告)号： EP2291487A1公开(公告)日： 2011-03-09
- 发明人: MILLER, Douglas, J. , CHANG, Ching-feng , LEWIS, Irwin, C. , LEWIS, Richard, T. , SHAO, Richard, L. , TOMASEK, Aaron
- 申请人： Graftech International Holdings Inc.
- 申请人地址： 12900 Snow Road Parma, OH 44130 US
- 专利权人： Graftech International Holdings Inc.
- 当前专利权人： Graftech International Holdings Inc.
- 当前专利权人地址： 12900 Snow Road Parma, OH 44130 US
- 代理机构： Brand, Thomas Louis
- 优先权： US132228 20080603
- 国际公布： WO2009148793 20091210
- 主分类号： C10B55/00
- IPC分类号： C10B55/00
摘要：
A reduced puffing needle coke is formed, which includes a reduced nitrogen content within the coke so that the coke particles do not experience as much puffing during the formation of graphitized carbon articles produced from such coke upon heating to graphitization temperatures.
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