Patent ID: 7815725
Filing Date: 2010-10-19
Classification: C04B,C08K,C08L,C09D,E01C,Y02A,Y02P,Y02W

Abstract:
1. An asphalt paving composition comprising i) functionally dry, essentially water-free, non-foamed asphalt binder containing; ii) lubricating additive comprising lubricating surfactant, lubricating non-surfactant, lubricating acid or combination thereof, mixed with; iii) uncompacted aggregate to provide aggregate coated with binder and lubricating additive suitable for use as a warm mix paving composition; wherein the warm mix paving composition is produced at a warm mix temperature which is at least 30° F. lower than a comparison production temperature needed to produce a comparison paving composition containing binder-coated aggregate without the lubricating additive, and wherein when the lubricating additive comprises a Fischer-Tropsch or Montan wax, the wax is 1.5 wt. % or less of the functionally dry, essentially water-free, non-foamed asphalt binder weight.