Lubricant for powder metallurgy, powdery mixture for powder metallurgy, and process for producing sinter
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United States of America Patent
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Sep 7, 2010
Grant Date -
Jul 5, 2007
app pub date -
Jan 19, 2005
filing date -
Jan 20, 2004
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Abstract
A lubricant for powder metallurgy which includes a polyhydroxycarboxylic acid amide. The lubricant improves both flowability and lubricity, irrespective of a presence or absence of any complicated pretreatment step.
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