Roofing asphalt compositions containing hydrocracked pitch

Details Roofing asphalt compositions containing hydrocracked pitch Roofing asphalt compositions containing hydrocracked pitch

1985-05-14

1986-10-14

Yarbrough, Amelia B.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106284, 208 23, C08L 9500

Patent

active

046170626

ABSTRACT:
The present invention relates to a roofing 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 preferably a paving grade asphalt cement of 150-200 penetration.

REFERENCES:
patent: 3374104 (1968-03-01), Baum et al.
patent: 3462359 (1969-08-01), Fauber
patent: 3986887 (1976-10-01), Pitchford
patent: 4268318 (1981-05-01), Stone
patent: 4373961 (1983-02-01), Stone

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