Patent ID: 7534748
Filing Date: 2009-05-19
Classification: C08G,C10M,C10N

Abstract:
1. A polymeric polyol ester additive for metal working comprising a) about 40-70 wt. % repeating units from a substantially linear monocarboxylic acid having from 12 to 20 carbon atoms, b) about 5-30 wt. % repeating units from an alkanedioic acid having from 4-6 carbon atoms, c) repeating units from a alk(en)yl substituted succinic acid or its anhydride wherein said alk(en)yl group is an alkyl or alkenyl group, d) about 8-20 wt. % repeating units from trihydric alcohol, and e) about 5 -15 wt. % repeating units from pentaerythritol.