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.
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
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