Functional fluid
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United States of America Patent
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Jun 5, 1984
Issued Date -
N/A
app pub date -
Sep 22, 1982
filing date -
Feb 20, 1981
priority date (Note) -
Expired
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Abstract
Corrosion inhibiting aqueous functional fluids having high stability are provided which contain (a) water, (b) a corrision inhibiting, surface active, water soluble or dispersible alkali metal, ammonium or organic amine salt of a water insoluble carboxylic acid group terminated monoamide, (e.g. the triethanolamine salt of the carboxylic acid terminated monoamide reaction product between maleic acid and 1-amino-2-ethyl hexane), (c) a second surface active agent and optionally, (d) water soluble or dispersible lubricant. These functional fluids are useful as a metal working fluid or hydraulic fluid.
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