Production of lubricating oils blending stocks and selected comp

Details Production of lubricating oils blending stocks and selected comp Production of lubricating oils blending stocks and selected comp

1974-08-30

1976-11-02

Levine, Herbert

Mineral oils: processes and products

Oxidation of mineral oils

To form asphalts, tars or pitches

208 4, 208 18, 208 23, 208 39, 208 41, 208357, C10C 304, C10C 306

Patent

active

039896161

ABSTRACT:
The production of normal and premium lube grade blending stocks of 100, 300 and 700 second neutral material along with high boiling by-product material for the manufacture of asphalts is improved by using a low pressure vacuum tower provided with an overflash separation in the tower bottom from resid.

REFERENCES:
patent: 2991241 (1961-07-01), Renner
patent: 3131140 (1964-04-01), Brice et al.
patent: 3350295 (1967-10-01), Hamner et al.
patent: 3481863 (1969-12-01), Donaldson et al.
patent: 3488283 (1970-01-01), Button et al.

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