Road asphalt compositions containing visbreaking residues

Details Road asphalt compositions containing visbreaking residues Road asphalt compositions containing visbreaking residues

1985-12-11

1986-12-23

Hayes, Lorenzo B.

Compositions: coating or plastic

Coating or plastic compositions

Bituminous material or tarry residue

106284, 208 22, 208 39, C08L 9500

Patent

active

046310886

ABSTRACT:
A road asphalt composition having a penetration at 25.degree. C. in the range of 85 to 100 is made by blending together: (a) a pitch having an initial boiling point of at least 520.degree. C. obtained as a residue in the visbreaking of crude oil, and (b) a distillation residue having a penetration at 25.degree. C. in the range of 150 to 500 obtained in the distillation of crude oil.

REFERENCES:
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patent: 2687986 (1954-08-01), Jennings et al.
patent: 2701213 (1955-02-01), Neville
patent: 3087887 (1963-04-01), Corbett et al.
patent: 3374104 (1968-03-01), Baum et al.
patent: 3440074 (1969-04-01), Stern et al.
patent: 3832200 (1974-08-01), Kennel et al.
patent: 3986887 (1976-10-01), Pitchford
patent: 4211576 (1980-07-01), Yan
patent: 4437896 (1984-03-01), Partanen
patent: 4559128 (1985-12-01), Goodrich
patent: 4584023 (1986-04-01), Goodrich

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