Distillation process for producing a low TPP phenate

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United States of America Patent

PATENT NO 12103908
APP PUB NO 20200299233A1
SERIAL NO

16815062

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Abstract

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Disclosed herein is a process for preparing a sulfurized non-overbased calcium phenate detergent having a reduced content of un-sulfurized alkyl-substituted phenol and its salt. The process steps involve adding an organic solvent to the detergent, wherein the organic solvent has a boiling point of equal or above the boiling point of the un-sulfurized alkyl-substituted phenol. Distilling the organic solvent from the detergent to reduce the content of the un-sulfurized alkyl-substituted phenol.

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Patent Owner(s)

Patent OwnerAddress
CHEVRON ORONITE COMPANY LLCP O BOX 6006 SAN RAMON CA 94583-0806

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Spala, Eugene Edward Fairfield, US 3 5

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