Metal working lubricants and their use
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United States of America Patent
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Jul 22, 2003
Grant Date -
Jan 10, 2002
app pub date -
Feb 27, 2001
filing date -
Feb 29, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention is a liquid composition of matter useful as a metal working lubricant. The composition comprises a primary lubricity component, such as a polyether or polyether ester, and dissolved salts of carboxylic acids. The composition preferably contains not more than 0.2 percent of any element except carbon, hydrogen, oxygen, alkaline earth metals, alkali metals, inorganically bonded halogens, inorganically bonded nitrogen, inorganically bonded sulfur, and inorganically bonded phosphorus.
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