发明名称 |
Petroleum hydrocarbon binder with reduced polycyclic aromatic hydrocarbon content |
摘要 |
A binder pitch material includes a petroleum pitch and asphalt fraction obtained from petroleum crude oil and has a significantly lower polycyclic aromatic hydrocarbon composition than a coal tar pitch having a like softening point. The pitch material is useful as a binder material for various applications such as clay pigeons.
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申请公布号 |
US7393449(B1) |
申请公布日期 |
2008.07.01 |
申请号 |
US20060444849 |
申请日期 |
2006.05.31 |
申请人 |
MARATHON ASHLAND PETROLEUM LLC |
发明人 |
KISER MELVIN D.;BOYER DAVID C. |
分类号 |
C01C1/00;C01C1/04;C01C1/18;C01C1/20;C01C3/00;C01G3/00;C08L97/00;C10C3/00 |
主分类号 |
C01C1/00 |
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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