Petroleum hydrocarbon binder with reduced polycyclic...

Details Petroleum hydrocarbon binder with reduced polycyclic... Petroleum hydrocarbon binder with reduced polycyclic...

2008-06-12

2009-12-01

Griffin, Walter D (Department: 1797)

Mineral oils: processes and products

Asphalts, tars, pitches and resins; making, treating and...

C208S004000, C208S006000, C208S022000, C208S023000, C208S040000, C208S041000, C208S044000, C208S045000, C273S348000, C273S362000, C106S273100

Reexamination Certificate

active

07625479

ABSTRACT:
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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