Catalytic method for making pitch

Details Catalytic method for making pitch Catalytic method for making pitch

1978-11-03

1980-05-13

O'Keefe, Veronica

Mineral oils: processes and products

Oxidation of mineral oils

To form asphalts, tars or pitches

208 46, C10C 304

Patent

active

042027551

ABSTRACT:
A method for making pitch from petroleum bottoms fractions by air blowing in the presence of about 1 percent by weight of metallic sodium. The method reduces processing time by about one-third and the product is of the desired high density of about 1.25 g/ml. to above 1.30 g/ml. at 25.degree. C.

REFERENCES:
patent: 2179208 (1939-11-01), Burk et al.
patent: 2287511 (1942-06-01), Burk et al.
patent: 4096056 (1978-06-01), Haywood et al.

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