Polyalkylene glycol lubricant compositions
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United States of America Patent
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Aug 30, 1994
Issued Date -
N/A
app pub date -
May 27, 1993
filing date -
Jun 8, 1990
priority date (Note) -
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Abstract
A lubricant composition comprising a major proportion of polyalkylene glycol of lubricating viscosity and a minor proportion dissolved therein of (a) at least one sulphur-containing antiwear or extreme pressure agent, (b) at least one amine salt of at least one partially esterified monothiophosphoric acid, and (c) at least one amine salt of at least one partially esterified phosphoric acid. Such compositions have improved resistance to wear, oxidative degradation and metallic corrosion.
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