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 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
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