Block processing configurations for base stock production from deasphalted oil

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United States of America Patent

PATENT NO 10287516
APP PUB NO 20180187089A1
SERIAL NO

15631620

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Abstract

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Systems and methods are provided for block operation during lubricant and/or fuels production from deasphalted oil. During “block” operation, a deasphalted oil and/or the hydroprocessed effluent from an initial processing stage can be split into a plurality of fractions. The fractions can correspond, for example, to feed fractions suitable for forming a light neutral fraction, a heavy neutral fraction, and a bright stock fraction, or the plurality of fractions can correspond to any other convenient split into separate fractions. The plurality of separate fractions can then be processed separately in the process train (or in the sweet portion of the process train) for forming fuels and/or lubricant base stocks. The separate processing can allow for selection of conditions for forming lubricant fractions, such as bright stock fractions, that have a cloud point that is lower than the pour point.

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Patent Owner(s)

Patent OwnerAddress
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY1545 ROUTE 22 EAST P O BOX 900 ANNANDALE NJ 08801-0900

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Carroll, Michael B Center Valley, US 25 209
Diebold, Adrienne R Lebanon, US 5 9
Fruchey, Kendall S Easton, US 26 174
Henderson, Camden N Mullica Hill, US 9 24
Hilbert, Timothy L Middleburg, US 44 478
Yeh, Lisa I-Ching Marlton, US 19 83

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