Water-soluble lubricant composition
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United States of America Patent
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Jun 21, 1994
Issued Date -
N/A
app pub date -
Oct 29, 1993
filing date -
May 2, 1991
priority date (Note) -
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Abstract
This invention relates to a water-soluble lubricant composition for a sleeve surface lubricating oil, an operating fluid, a cutting oil, a rolling oil, a drawing oil, a press oil or the like, which does not pollute the environment and has superior lubricity, metal corrosion preventing property, antifoaming property and antiseptic property. The water-soluble lubricant composition of this invention containing surfactants (a) and one or two salts (b) selected from among carboxylates and sulfonates is characterized in that the above one or two salts (b) selected from among carboxylates and sulfonates are alkaline earth metal salts or zinc salts and that substantially no nitrogen ingredients are contained and the amount of nitrogen contained represents its amount in impurities, or 0.5 wt % or below of nitrogen.
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