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U.S. Department of Energy
Office of Scientific and Technical Information

Modified overbased sulfonates and phenates

Patent ·
OSTI ID:5143302
Disclosed are compositions of matter and a method for their manufacture, and lubricating oil compositions containing such compositions. The compositions of matter comprise the reaction product of basic compound comprising overbased metal sulfonate, phenate, or mixtures thereof, with acidic compound comprising organic carboxylic acid, organic carboxylic acid anhydride, phosphoric acid, phosphoric acid ester, thiophosphoric acid ester , or mixtures thereof.
Assignee:
Standard Oil Co (indiana)
Patent Number(s):
US 4328111
OSTI ID:
5143302
Country of Publication:
United States
Language:
English