Lubricant compositions
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United States of America Patent
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-
Jun 30, 1992
Grant Date -
N/A
app pub date -
May 17, 1990
filing date -
May 22, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Lubricant compositions, especially suitable for limited slip differentials, containing sulphur-containing extreme pressure or anti-wear agents, are improved by incorporation of a substituted succinimide friction modifier. The resulting compositions reduce the level of noise produced during operation of the differential.
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