LUBRICATING OIL COMPOSITION
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Mar 14, 2023
filing date -
Mar 14, 2023
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Abstract
A lubricating oil composition may have excellent fuel economy and high shear stability. Such a lubricating oil composition may include: a comb-like polymer (A1) having a weight average molecular weight (Mw) of less than 300,000; and a comb-like polymer (A2) having a Mw of at least 400,000. The (A1)/(A2) mass content ratio of the comb-like polymer (A1) to the comb-like polymer (A2) in terms of resin content may be at least 0.25.
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