Two-stage hydrocracking process for making heavy lubricating base oil from a heavy coker gas oil blended feedstock

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United States of America Patent

PATENT NO 9914887
SERIAL NO

14483331

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Abstract

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The present invention is directed to a refining process for producing heavy lubricating base oils (LBO) from a blended hydrocarbonaceous feedstock containing a heavy coker gas oil, a visbroken gas oil, heavy cycle oil, oils from residue hydrocracking, aromatic extract or any other feedstock normally not conducive to lube oil basestock production, using a two-stage hydrocracking process.

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Patent Owner(s)

  • CHEVRON U.S.A. INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bhattacharya, Subhasis Walnut Creek, US 9 97

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