Lube oil blend process and composition

Details Lube oil blend process and composition Lube oil blend process and composition

1978-12-13

1980-07-22

Levine, Herbert

Mineral oils: processes and products

Products and compositions

Lubricating oils

208 18, 208311, C10G 4100

Patent

active

042138450

ABSTRACT:
A lube oil blend process and composition are provided. In the process a raffinate lube oil stock having a superior sunlight stability is produced by contacting a gas oil with a suitable solvent under solvent-extracting conditions. The blend is produced by admixing raffinate and raw hydrocrackate lube oil stock. The blend contains, in parts by volume, for each 100 parts of the raffinate an amount of the hydrocrackate stock in the range from about 10 to 45 parts. The resulting blend exhibits a sunlight stability at least equivalent to that of the raffinate stock.

REFERENCES:
patent: 2780581 (1957-02-01), Macke et al.
patent: 3915871 (1975-10-01), Bryer et al.

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