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

Lubricant composition

Patent ·
OSTI ID:5903191
Lubricating oil formulated for use in an engine crankcase having improved anticorrosion property imparted by addition of a minor amount of the combination of (A) a block-oxyalkylated trimethylol alkane containing an initial hydrophobic block of propyleneoxy and optionally random ethyleneoxy units and a terminal hydrophilic block of ethyleneoxy and optionally random propyleneoxy units and (B) an oxyethylated alkylphenol.
Assignee:
Ethyl Corp
Patent Number(s):
US 4278555
OSTI ID:
5903191
Country of Publication:
United States
Language:
English