Road asphalt compositions containing hydrocracked pitch

摘要

The present invention relates to a paving grade asphalt composition which comprises a blend of (a) a petroleum pitch obtained as a residue in the hydrocracking of hydrocarbon oils and (b) as a diluent therefor an unprocessed distillation residue having a minimum initial boiling point of at least 200 DEG C. obtained from bitumen from tar sands, or heavy oils or light oil from pure or mixed petroleum crude oils.