Production method for complex polyester composition, complex polyester composition, lubricant composition, and lubricant
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United States of America Patent
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May 30, 2017
Grant Date -
May 26, 2016
app pub date -
Jan 29, 2016
filing date -
Jul 31, 2013
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Abstract
A production method for a complex polyester composition includes obtaining a complex polyester composition by condensing polyhydric alcohol having three or more hydroxyl groups, a polycarboxylic acid having at least two carboxyl groups and carbon atoms of greater than or equal to 5, and monohydric alcohol having at least one oxyalkylene group in the absence of a solvent, wherein a component having a weight average molecular weight of less than or equal to 2000 in a GPC chart of the complex polyester composition is less than or equal to 43 area %.
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