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 |
US7625479(B1) |
申请公布日期 |
2009.12.01 |
申请号 |
US20080157904 |
申请日期 |
2008.06.12 |
申请人 |
MARATHON ASHLAND PETROLEUM LLC |
发明人 |
KISER MELVIN D.;BOYER DAVID C. |
分类号 |
C10C3/00;A63B65/00;C10C1/00;C10G3/00 |
主分类号 |
C10C3/00 |
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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