Fluoroelastomer-friendly crankcase and drivetrain lubricants and their use
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United States of America Patent
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Oct 3, 1995
Grant Date -
N/A
app pub date -
Jun 25, 1993
filing date -
Jun 25, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Dispersancy and fluoroelastomer seal compatibility are achieved by use in the lubricant of a dispersing amount of a product made by reacting aminoguanidine or a basic salt thereof with a hydrocarbyl-substituted succinic acid or anhydride in a mole ratio of from about 0.4 to about 1.2 moles of the aminoguanidine or basic salt thereof per mole of the succinic acid or anhydride compound.
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