Patents by Inventor Kurt McWilliams

Kurt McWilliams has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Phosphate ester composition and use
    Patent number: 10544173
    Abstract: A phosphate ester composition comprising more than 50 mass % of a phosphate ester represented by Formula 1, wherein X, Y, and Z are independently selected from the group consisting of alkyl, heteroalkyl, heteroaryl or aryl, with at least one of X, Y and Z being aryl, represented by Formula 2, and wherein two or more of R3, R4 and R5 have from 1 to 10 carbon atoms, and the total number of carbon atoms in R3, R4 and R5 is from 3 to 30. The use of the phosphate ester composition as a flame retardant, a lubricant, an anti-wear additive, a hydraulic fluid, a self-extinguishing functional fluid, or an additive thereof.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: January 28, 2020
    Assignee: Sasol (USA) Corporation
    Inventors: Kurt McWilliams, Willem Ghijsen, Lynn Wells
  • Phosphate Ester Composition and Use
    Publication number: 20180273556
    Abstract: A phosphate ester composition comprising more than 50 mass % of a phosphate ester represented by Formula 1, wherein X, Y, and Z are independently selected from the group consisting of alkyl, heteroalkyl, heteroaryl or aryl, with at least one of X, Y and Z being aryl, represented by Formula 2, and wherein two or more of R3, R4 and R5 have from 1 to 10 carbon atoms, and the total number of carbon atoms in R3, R4 and R5 is from 3 to 30. The use of the phosphate ester composition as a flame retardant, a lubricant, an anti-wear additive, a hydraulic fluid, a self-extinguishing functional fluid, or an additive thereof.
    Type: Application
    Filed: October 6, 2016
    Publication date: September 27, 2018
    Inventors: Kurt McWilliams, Willem Ghijsen, Lynn Wells
  • 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
  • Aliphatic Polycarbonate-Based Surface Active Agents
    Publication number: 20160200962
    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: Application
    Filed: August 26, 2014
    Publication date: July 14, 2016
    Inventors: Kurt McWilliams, Daniel T. Plummer, Kip D. Sharp, Scott D. Allen, Christopher Sinomeau