Patents Assigned to Sasol Chemicals (USA) LLC
  • Aliphatic polycarbonate-based surface active agents
    Patent number: 10011758
    Abstract: The present invention encompasses surface active agents useful in liquid or supercritical CO2 applications. The surface active agents comprise compounds containing a hydrocarbon segment and an aliphatic polycarbonate segment: The invention also provides methods of making the surface active agents and of using them in supercritical CO2 applications.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: July 3, 2018
    Assignees: Sasol Chemicals (USA) LLC, Novomer, Inc.
    Inventors: Kurt McWilliams, Daniel T. Plummer, Kip D. Sharp, Scott D. Allen, Christopher Simoneau