Mineral oils: processes and products – Oxidation of mineral oils – To form asphalts – tars or pitches
Patent
1976-07-26
1977-10-04
O'Keefe, Veronica
Mineral oils: processes and products
Oxidation of mineral oils
To form asphalts, tars or pitches
208 3, 208 22, 208 44, C10G 300
Patent
active
040522903
ABSTRACT:
Improved asphalt compositions are provided which are produced by forming a homogeneous blend of marginal asphalt stock with coal-derived asphaltenes, and air-blowing the homogeneous blend to yield an asphalt composition having a viscosity-penetration index higher than about 2.5 .times. 10.sup.5.
REFERENCES:
patent: 1044175 (1912-11-01), Hennebutte
patent: 3374104 (1968-03-01), Baum et al.
patent: 3490586 (1970-01-01), Jaisle
patent: 3970542 (1976-07-01), Bongertman
Cushman Donald R.
Pagen Charles A.
Schick John W.
Yan Tsoung-yuan
Farnsworth Carl D.
Huggett Charles A.
Mobil Oil Corporation
O'Keefe Veronica
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